? setup_bdev_super+0x19d/0x330
[ 74.789341][ T6226] ? __pfx_gfs2_fill_super+0x10/0x10
[ 74.789375][ T6226] get_tree_bdev_flags+0x1c0/0x290
[ 74.789400][ T6226] gfs2_get_tree+0x26/0xd0
[ 74.789431][ T6226] vfs_get_tree+0x30/0x120
[ 74.789449][ T6226] path_mount+0x5a9/0x1350
[ 74.789480][ T6226] ? putname+0x78/0xe0
[ 74.789510][ T6226] __x64_sys_mount+0x1a3/0x1e0
[ 74.789542][ T6226] do_syscall_64+0xa4/0xf80
[ 74.789574][ T6226] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.789595][ T6226] RIP: 0033:0x7ff109f9c14a
[ 74.789610][ T6226] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 74.789629][ T6226] RSP: 002b:00007ff10aecde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 74.789647][ T6226] RAX: ffffffffffffffda RBX: 00007ff10aecdee0 RCX: 00007ff109f9c14a
[ 74.789660][ T6226] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ff10aecdea0
[ 74.789673][ T6226] RBP: 00002000000124c0 R08: 00007ff10aecdee0 R09: 0000000000000000
[ 74.789684][ T6226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 74.789696][ T6226] R13: 00007ff10aecdea0 R14: 0000000000012588 R15: 0000200000000000
[ 74.789718][ T6226]
[ 74.789729][ T6226] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 74.860999][ T6234] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 74.868258][ T6226] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 74.929025][ T6234] CPU: 0 UID: 0 PID: 6234 Comm: syz.5.38 Not tainted syzkaller #0 PREEMPT(full)
[ 74.929051][ T6234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 74.929062][ T6234] Call Trace:
[ 74.929067][ T6234]
[ 74.929073][ T6234] dump_stack_lvl+0x97/0xe0
[ 74.929100][ T6234] sysfs_warn_dup.cold+0x1c/0x28
[ 74.929131][ T6234] sysfs_create_dir_ns+0x129/0x140
[ 74.929158][ T6234] kobject_add_internal+0x104/0x310
[ 74.929183][ T6234] kobject_init_and_add+0xb2/0xf0
[ 74.929208][ T6234] ? alloc_workqueue_noprof+0xe0/0xb60
[ 74.929235][ T6234] gfs2_sys_fs_add+0xef/0x200
[ 74.929264][ T6234] gfs2_fill_super+0x896/0x1210
[ 74.929282][ T6234] ? sb_set_blocksize+0x8c/0x150
[ 74.929305][ T6234] ? setup_bdev_super+0x19d/0x330
[ 74.929326][ T6234] ? __pfx_gfs2_fill_super+0x10/0x10
[ 74.929359][ T6234] get_tree_bdev_flags+0x1c0/0x290
[ 74.929384][ T6234] gfs2_get_tree+0x26/0xd0
[ 74.929414][ T6234] vfs_get_tree+0x30/0x120
[ 74.929432][ T6234] path_mount+0x5a9/0x1350
[ 74.929462][ T6234] ? putname+0x78/0xe0
[ 74.929492][ T6234] __x64_sys_mount+0x1a3/0x1e0
[ 74.929523][ T6234] do_syscall_64+0xa4/0xf80
[ 74.929555][ T6234] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.929576][ T6234] RIP: 0033:0x7fbd7ab9c14a
[ 74.929592][ T6234] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 74.929611][ T6234] RSP: 002b:00007fbd7bb29e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 74.929630][ T6234] RAX: ffffffffffffffda RBX: 00007fbd7bb29ee0 RCX: 00007fbd7ab9c14a
[ 74.929643][ T6234] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbd7bb29ea0
[ 74.929656][ T6234] RBP: 00002000000124c0 R08: 00007fbd7bb29ee0 R09: 0000000000000000
[ 74.929668][ T6234] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 74.929680][ T6234] R13: 00007fbd7bb29ea0 R14: 0000000000012588 R15: 0000200000000000
[ 74.929695][ T6234]
[ 74.929704][ T6234] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 74.986801][ T6237] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 74.991750][ T6234] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 75.029155][ T6237] CPU: 1 UID: 0 PID: 6237 Comm: syz.1.41 Not tainted syzkaller #0 PREEMPT(full)
[ 75.029187][ T6237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 75.029199][ T6237] Call Trace:
[ 75.029204][ T6237]
[ 75.029210][ T6237] dump_stack_lvl+0x97/0xe0
[ 75.029237][ T6237] sysfs_warn_dup.cold+0x1c/0x28
[ 75.029267][ T6237] sysfs_create_dir_ns+0x129/0x140
[ 75.029294][ T6237] kobject_add_internal+0x104/0x310
[ 75.029318][ T6237] kobject_init_and_add+0xb2/0xf0
[ 75.029343][ T6237] ? alloc_workqueue_noprof+0xe0/0xb60
[ 75.029369][ T6237] gfs2_sys_fs_add+0xef/0x200
[ 75.029398][ T6237] gfs2_fill_super+0x896/0x1210
[ 75.029417][ T6237] ? sb_set_blocksize+0x8c/0x150
[ 75.029441][ T6237] ? setup_bdev_super+0x19d/0x330
[ 75.029462][ T6237] ? __pfx_gfs2_fill_super+0x10/0x10
[ 75.029495][ T6237] get_tree_bdev_flags+0x1c0/0x290
[ 75.029521][ T6237] gfs2_get_tree+0x26/0xd0
[ 75.029552][ T6237] vfs_get_tree+0x30/0x120
[ 75.029571][ T6237] path_mount+0x5a9/0x1350
[ 75.029602][ T6237] ? putname+0x78/0xe0
[ 75.029631][ T6237] __x64_sys_mount+0x1a3/0x1e0
[ 75.029662][ T6237] do_syscall_64+0xa4/0xf80
[ 75.029695][ T6237] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.029715][ T6237] RIP: 0033:0x7f01a659c14a
[ 75.029730][ T6237] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 75.029749][ T6237] RSP: 002b:00007f01a742ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 75.029768][ T6237] RAX: ffffffffffffffda RBX: 00007f01a742cee0 RCX: 00007f01a659c14a
[ 75.029781][ T6237] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f01a742cea0
[ 75.029793][ T6237] RBP: 00002000000124c0 R08: 00007f01a742cee0 R09: 0000000000000000
[ 75.029805][ T6237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 75.029817][ T6237] R13: 00007f01a742cea0 R14: 0000000000012588 R15: 0000200000000000
[ 75.029832][ T6237]
[ 75.029948][ T6237] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 75.066818][ T6235] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 75.098954][ T6237] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 75.103619][ T6235] CPU: 0 UID: 0 PID: 6235 Comm: syz.4.39 Not tainted syzkaller #0 PREEMPT(full)
[ 75.103644][ T6235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 75.103655][ T6235] Call Trace:
[ 75.103661][ T6235]
[ 75.103667][ T6235] dump_stack_lvl+0x97/0xe0
[ 75.103694][ T6235] sysfs_warn_dup.cold+0x1c/0x28
[ 75.103725][ T6235] sysfs_create_dir_ns+0x129/0x140
[ 75.103751][ T6235] kobject_add_internal+0x104/0x310
[ 75.103775][ T6235] kobject_init_and_add+0xb2/0xf0
[ 75.103800][ T6235] ? alloc_workqueue_noprof+0xe0/0xb60
[ 75.103826][ T6235] gfs2_sys_fs_add+0xef/0x200
[ 75.103854][ T6235] gfs2_fill_super+0x896/0x1210
[ 75.103873][ T6235] ? sb_set_blocksize+0x8c/0x150
[ 75.103896][ T6235] ? setup_bdev_super+0x19d/0x330
[ 75.103917][ T6235] ? __pfx_gfs2_fill_super+0x10/0x10
[ 75.103950][ T6235] get_tree_bdev_flags+0x1c0/0x290
[ 75.103975][ T6235] gfs2_get_tree+0x26/0xd0
[ 75.104005][ T6235] vfs_get_tree+0x30/0x120
[ 75.104023][ T6235] path_mount+0x5a9/0x1350
[ 75.104055][ T6235] ? putname+0x78/0xe0
[ 75.104084][ T6235] __x64_sys_mount+0x1a3/0x1e0
[ 75.104114][ T6235] do_syscall_64+0xa4/0xf80
[ 75.104146][ T6235] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.104167][ T6235] RIP: 0033:0x7f8b2719c14a
[ 75.104182][ T6235] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 75.104201][ T6235] RSP: 002b:00007f8b28125e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 75.104220][ T6235] RAX: ffffffffffffffda RBX: 00007f8b28125ee0 RCX: 00007f8b2719c14a
[ 75.104233][ T6235] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8b28125ea0
[ 75.104245][ T6235] RBP: 00002000000124c0 R08: 00007f8b28125ee0 R09: 0000000000000000
[ 75.104257][ T6235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 75.104269][ T6235] R13: 00007f8b28125ea0 R14: 0000000000012588 R15: 0000200000000000
[ 75.104284][ T6235]
[ 75.104294][ T6235] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 75.149312][ T6238] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 75.154801][ T6235] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 75.189318][ T6238] CPU: 1 UID: 0 PID: 6238 Comm: syz.6.40 Not tainted syzkaller #0 PREEMPT(full)
[ 75.189345][ T6238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 75.189356][ T6238] Call Trace:
[ 75.189362][ T6238]
[ 75.189368][ T6238] dump_stack_lvl+0x97/0xe0
[ 75.189395][ T6238] sysfs_warn_dup.cold+0x1c/0x28
[ 75.189426][ T6238] sysfs_create_dir_ns+0x129/0x140
[ 75.189452][ T6238] kobject_add_internal+0x104/0x310
[ 75.189477][ T6238] kobject_init_and_add+0xb2/0xf0
[ 75.189501][ T6238] ? alloc_workqueue_noprof+0xe0/0xb60
[ 75.189527][ T6238] gfs2_sys_fs_add+0xef/0x200
[ 75.189556][ T6238] gfs2_fill_super+0x896/0x1210
[ 75.189575][ T6238] ? sb_set_blocksize+0x8c/0x150
[ 75.189606][ T6238] ? setup_bdev_super+0x19d/0x330
[ 75.189626][ T6238] ? __pfx_gfs2_fill_super+0x10/0x10
[ 75.189659][ T6238] get_tree_bdev_flags+0x1c0/0x290
[ 75.189684][ T6238] gfs2_get_tree+0x26/0xd0
[ 75.189715][ T6238] vfs_get_tree+0x30/0x120
[ 75.189733][ T6238] path_mount+0x5a9/0x1350
[ 75.189763][ T6238] ? putname+0x78/0xe0
[ 75.189792][ T6238] __x64_sys_mount+0x1a3/0x1e0
[ 75.189822][ T6238] do_syscall_64+0xa4/0xf80
[ 75.189854][ T6238] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.189874][ T6238] RIP: 0033:0x7f2fb899c14a
[ 75.189890][ T6238] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 75.189909][ T6238] RSP: 002b:00007f2fb97f5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 75.189927][ T6238] RAX: ffffffffffffffda RBX: 00007f2fb97f5ee0 RCX: 00007f2fb899c14a
[ 75.189940][ T6238] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f2fb97f5ea0
[ 75.189953][ T6238] RBP: 00002000000124c0 R08: 00007f2fb97f5ee0 R09: 0000000000000000
[ 75.189965][ T6238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 75.189977][ T6238] R13: 00007f2fb97f5ea0 R14: 0000000000012588 R15: 0000200000000000
[ 75.189992][ T6238]
[ 75.190001][ T6238] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 75.367364][ T6246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 75.384286][ T6238] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 76.286099][ T6246] CPU: 1 UID: 0 PID: 6246 Comm: syz.2.42 Not tainted syzkaller #0 PREEMPT(full)
[ 76.286130][ T6246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 76.286143][ T6246] Call Trace:
[ 76.286150][ T6246]
[ 76.286157][ T6246] dump_stack_lvl+0x97/0xe0
[ 76.286188][ T6246] sysfs_warn_dup.cold+0x1c/0x28
[ 76.286224][ T6246] sysfs_create_dir_ns+0x129/0x140
[ 76.286254][ T6246] kobject_add_internal+0x104/0x310
[ 76.286282][ T6246] kobject_init_and_add+0xb2/0xf0
[ 76.286310][ T6246] ? alloc_workqueue_noprof+0xe0/0xb60
[ 76.286340][ T6246] gfs2_sys_fs_add+0xef/0x200
[ 76.286372][ T6246] gfs2_fill_super+0x896/0x1210
[ 76.286393][ T6246] ? sb_set_blocksize+0x8c/0x150
[ 76.286418][ T6246] ? setup_bdev_super+0x19d/0x330
[ 76.286441][ T6246] ? __pfx_gfs2_fill_super+0x10/0x10
[ 76.286478][ T6246] get_tree_bdev_flags+0x1c0/0x290
[ 76.286507][ T6246] gfs2_get_tree+0x26/0xd0
[ 76.286541][ T6246] vfs_get_tree+0x30/0x120
[ 76.286561][ T6246] path_mount+0x5a9/0x1350
[ 76.286603][ T6246] ? putname+0x78/0xe0
[ 76.286633][ T6246] __x64_sys_mount+0x1a3/0x1e0
[ 76.286665][ T6246] do_syscall_64+0xa4/0xf80
[ 76.286699][ T6246] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.286722][ T6246] RIP: 0033:0x7f0c14b9c14a
[ 76.286739][ T6246] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 76.286759][ T6246] RSP: 002b:00007f0c15ac6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 76.286778][ T6246] RAX: ffffffffffffffda RBX: 00007f0c15ac6ee0 RCX: 00007f0c14b9c14a
[ 76.286792][ T6246] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f0c15ac6ea0
[ 76.286805][ T6246] RBP: 00002000000124c0 R08: 00007f0c15ac6ee0 R09: 0000000000000000
[ 76.286819][ T6246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 76.286833][ T6246] R13: 00007f0c15ac6ea0 R14: 0000000000012588 R15: 0000200000000000
[ 76.286849][ T6246]
[ 76.287073][ T6246] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 76.496571][ T6246] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 79.300246][ T797] gfs2: fsid=syz:syz.0: file system withdrawn
[ 79.397154][ T6254] set_capacity_and_notify: 3 callbacks suppressed
[ 79.397165][ T6254] loop0: detected capacity change from 0 to 32768
[ 79.413197][ T6254] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 79.421543][ T6254] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 79.429900][ T6254] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[ 79.437820][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 79.444623][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 79.456038][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms
[ 79.463539][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 79.468832][ T6254] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 79.496155][ T6254] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 79.505658][ T5922] syz-executor: attempt to access beyond end of device
[ 79.505658][ T5922] loop0: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768
[ 79.520724][ T5922] Buffer I/O error on dev loop0, logical block 8589934885, lost async page write
[ 79.529903][ T5922] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[ 79.543164][ T5922] CPU: 0 UID: 0 PID: 5922 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 79.543191][ T5922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 79.543200][ T5922] Call Trace:
[ 79.543204][ T5922]
[ 79.543209][ T5922] dump_stack_lvl+0x97/0xe0
[ 79.543230][ T5922] gfs2_withdraw.cold+0xa/0x77
[ 79.543245][ T5922] gfs2_io_error_bh_i.cold+0x2d/0x32
[ 79.543260][ T5922] gfs2_ail1_flush+0x497/0x7e0
[ 79.543288][ T5922] gfs2_ail1_start+0x4f/0x80
[ 79.543317][ T5922] gfs2_log_flush+0xf9a/0x1170
[ 79.543333][ T5922] gfs2_kill_sb+0x3e/0x1e0
[ 79.543357][ T5922] deactivate_locked_super+0x4f/0x120
[ 79.543376][ T5922] deactivate_super+0xa4/0xc0
[ 79.543392][ T5922] cleanup_mnt+0x145/0x1f0
[ 79.543411][ T5922] task_work_run+0x95/0xf0
[ 79.543434][ T5922] exit_to_user_mode_loop+0xcf/0x440
[ 79.543457][ T5922] do_syscall_64+0x2b8/0xf80
[ 79.543484][ T5922] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.543501][ T5922] RIP: 0033:0x7fceb659c117
[ 79.543513][ T5922] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 79.543528][ T5922] RSP: 002b:00007ffea53ab2a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 79.543542][ T5922] RAX: 0000000000000000 RBX: 00007fceb660471f RCX: 00007fceb659c117
[ 79.543552][ T5922] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffea53ab360
[ 79.543561][ T5922] RBP: 00007ffea53ab360 R08: 00007ffea53ac360 R09: 00000000ffffffff
[ 79.543570][ T5922] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffea53ac3f0
[ 79.543580][ T5922] R13: 00007fceb660471f R14: 00000000000135cc R15: 00007ffea53ac430
[ 79.543591][ T5922]
[ 79.543597][ T5922] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 80.499299][ T92] cfg80211: failed to load regulatory.db
[ 84.740237][ T9] gfs2: fsid=syz:syz.0: file system withdrawn
2026/01/29 10:25:16 executed programs: 40
[ 87.356113][ T6273] loop1: detected capacity change from 0 to 32768
[ 87.380080][ T6271] loop4: detected capacity change from 0 to 32768
[ 87.401489][ T6273] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 87.428040][ T6271] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 87.438307][ T6276] loop0: detected capacity change from 0 to 32768
[ 87.446899][ T6269] loop5: detected capacity change from 0 to 32768
[ 87.454334][ T6273] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 87.462000][ T6278] loop6: detected capacity change from 0 to 32768
[ 87.469357][ T6271] CPU: 1 UID: 0 PID: 6271 Comm: syz.4.47 Not tainted syzkaller #0 PREEMPT(full)
[ 87.469385][ T6271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 87.469398][ T6271] Call Trace:
[ 87.469404][ T6271]
[ 87.469410][ T6271] dump_stack_lvl+0x97/0xe0
[ 87.469440][ T6271] sysfs_warn_dup.cold+0x1c/0x28
[ 87.469473][ T6271] sysfs_create_dir_ns+0x129/0x140
[ 87.469502][ T6271] kobject_add_internal+0x104/0x310
[ 87.469529][ T6271] kobject_init_and_add+0xb2/0xf0
[ 87.469566][ T6271] ? alloc_workqueue_noprof+0xe0/0xb60
[ 87.469596][ T6271] gfs2_sys_fs_add+0xef/0x200
[ 87.469637][ T6271] gfs2_fill_super+0x896/0x1210
[ 87.469657][ T6271] ? sb_set_blocksize+0x8c/0x150
[ 87.469683][ T6271] ? setup_bdev_super+0x19d/0x330
[ 87.469705][ T6271] ? __pfx_gfs2_fill_super+0x10/0x10
[ 87.469742][ T6271] get_tree_bdev_flags+0x1c0/0x290
[ 87.469769][ T6271] gfs2_get_tree+0x26/0xd0
[ 87.469802][ T6271] vfs_get_tree+0x30/0x120
[ 87.469822][ T6271] path_mount+0x5a9/0x1350
[ 87.469855][ T6271] ? putname+0x78/0xe0
[ 87.469888][ T6271] __x64_sys_mount+0x1a3/0x1e0
[ 87.469921][ T6271] do_syscall_64+0xa4/0xf80
[ 87.469956][ T6271] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.469978][ T6271] RIP: 0033:0x7f8b2719c14a
[ 87.469994][ T6271] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 87.470014][ T6271] RSP: 002b:00007f8b28125e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 87.470035][ T6271] RAX: ffffffffffffffda RBX: 00007f8b28125ee0 RCX: 00007f8b2719c14a
[ 87.470049][ T6271] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8b28125ea0
[ 87.470062][ T6271] RBP: 00002000000124c0 R08: 00007f8b28125ee0 R09: 0000000000000000
[ 87.470074][ T6271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 87.470087][ T6271] R13: 00007f8b28125ea0 R14: 0000000000012588 R15: 0000200000000000
[ 87.470103][ T6271]
[ 87.470113][ T6271] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 87.498275][ T6273] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[ 87.510905][ T6275] loop3: detected capacity change from 0 to 32768
[ 87.516893][ T6089] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 87.532486][ T6277] loop2: detected capacity change from 0 to 32768
[ 87.563173][ T6089] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 87.567130][ T6271] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 87.574436][ T6269] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 87.589016][ T6276] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 87.614262][ T6089] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 51ms
[ 87.622491][ T6276] CPU: 1 UID: 0 PID: 6276 Comm: syz.0.43 Not tainted syzkaller #0 PREEMPT(full)
[ 87.622518][ T6276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 87.622530][ T6276] Call Trace:
[ 87.622535][ T6276]
[ 87.622541][ T6276] dump_stack_lvl+0x97/0xe0
[ 87.622575][ T6276] sysfs_warn_dup.cold+0x1c/0x28
[ 87.622607][ T6276] sysfs_create_dir_ns+0x129/0x140
[ 87.622634][ T6276] kobject_add_internal+0x104/0x310
[ 87.622659][ T6276] kobject_init_and_add+0xb2/0xf0
[ 87.622683][ T6276] ? alloc_workqueue_noprof+0xe0/0xb60
[ 87.622709][ T6276] gfs2_sys_fs_add+0xef/0x200
[ 87.622739][ T6276] gfs2_fill_super+0x896/0x1210
[ 87.622758][ T6276] ? sb_set_blocksize+0x8c/0x150
[ 87.622782][ T6276] ? setup_bdev_super+0x19d/0x330
[ 87.622803][ T6276] ? __pfx_gfs2_fill_super+0x10/0x10
[ 87.622836][ T6276] get_tree_bdev_flags+0x1c0/0x290
[ 87.622862][ T6276] gfs2_get_tree+0x26/0xd0
[ 87.622892][ T6276] vfs_get_tree+0x30/0x120
[ 87.622911][ T6276] path_mount+0x5a9/0x1350
[ 87.622942][ T6276] ? putname+0x78/0xe0
[ 87.622971][ T6276] __x64_sys_mount+0x1a3/0x1e0
[ 87.623002][ T6276] do_syscall_64+0xa4/0xf80
[ 87.623035][ T6276] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.623056][ T6276] RIP: 0033:0x7fceb659c14a
[ 87.623071][ T6276] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 87.623090][ T6276] RSP: 002b:00007fceb74abe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 87.623109][ T6276] RAX: ffffffffffffffda RBX: 00007fceb74abee0 RCX: 00007fceb659c14a
[ 87.623122][ T6276] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fceb74abea0
[ 87.623134][ T6276] RBP: 00002000000124c0 R08: 00007fceb74abee0 R09: 0000000000000000
[ 87.623146][ T6276] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 87.623158][ T6276] R13: 00007fceb74abea0 R14: 0000000000012588 R15: 0000200000000000
[ 87.623181][ T6276]
[ 87.623190][ T6276] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 87.653991][ T6269] CPU: 0 UID: 0 PID: 6269 Comm: syz.5.48 Not tainted syzkaller #0 PREEMPT(full)
[ 87.654017][ T6269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 87.654029][ T6269] Call Trace:
[ 87.654034][ T6269]
[ 87.654040][ T6269] dump_stack_lvl+0x97/0xe0
[ 87.654066][ T6269] sysfs_warn_dup.cold+0x1c/0x28
[ 87.654097][ T6269] sysfs_create_dir_ns+0x129/0x140
[ 87.654123][ T6269] kobject_add_internal+0x104/0x310
[ 87.654148][ T6269] kobject_init_and_add+0xb2/0xf0
[ 87.654173][ T6269] ? alloc_workqueue_noprof+0xe0/0xb60
[ 87.654200][ T6269] gfs2_sys_fs_add+0xef/0x200
[ 87.654229][ T6269] gfs2_fill_super+0x896/0x1210
[ 87.654248][ T6269] ? sb_set_blocksize+0x8c/0x150
[ 87.654271][ T6269] ? setup_bdev_super+0x19d/0x330
[ 87.654293][ T6269] ? __pfx_gfs2_fill_super+0x10/0x10
[ 87.654326][ T6269] get_tree_bdev_flags+0x1c0/0x290
[ 87.654351][ T6269] gfs2_get_tree+0x26/0xd0
[ 87.654382][ T6269] vfs_get_tree+0x30/0x120
[ 87.654399][ T6269] path_mount+0x5a9/0x1350
[ 87.654430][ T6269] ? putname+0x78/0xe0
[ 87.654459][ T6269] __x64_sys_mount+0x1a3/0x1e0
[ 87.654490][ T6269] do_syscall_64+0xa4/0xf80
[ 87.654522][ T6269] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.654542][ T6269] RIP: 0033:0x7fbd7ab9c14a
[ 87.654557][ T6269] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 87.654577][ T6269] RSP: 002b:00007fbd7bb29e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 87.654597][ T6269] RAX: ffffffffffffffda RBX: 00007fbd7bb29ee0 RCX: 00007fbd7ab9c14a
[ 87.654612][ T6269] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbd7bb29ea0
[ 87.654625][ T6269] RBP: 00002000000124c0 R08: 00007fbd7bb29ee0 R09: 0000000000000000
[ 87.654638][ T6269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 87.654652][ T6269] R13: 00007fbd7bb29ea0 R14: 0000000000012588 R15: 0000200000000000
[ 87.654669][ T6269]
[ 87.654678][ T6269] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 87.654695][ T6269] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 87.681171][ T6089] gfs2: fsid=syz:syz.0: jid=0: Done
[ 87.687773][ T6276] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 87.713803][ T6273] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 87.729075][ T6275] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 87.749577][ T6275] CPU: 1 UID: 0 PID: 6275 Comm: syz.3.46 Not tainted syzkaller #0 PREEMPT(full)
[ 87.749603][ T6275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 87.749614][ T6275] Call Trace:
[ 87.749620][ T6275]
[ 87.749627][ T6275] dump_stack_lvl+0x97/0xe0
[ 87.749653][ T6275] sysfs_warn_dup.cold+0x1c/0x28
[ 87.749684][ T6275] sysfs_create_dir_ns+0x129/0x140
[ 87.749711][ T6275] kobject_add_internal+0x104/0x310
[ 87.749736][ T6275] kobject_init_and_add+0xb2/0xf0
[ 87.749760][ T6275] ? alloc_workqueue_noprof+0xe0/0xb60
[ 87.749787][ T6275] gfs2_sys_fs_add+0xef/0x200
[ 87.749816][ T6275] gfs2_fill_super+0x896/0x1210
[ 87.749834][ T6275] ? sb_set_blocksize+0x8c/0x150
[ 87.749858][ T6275] ? setup_bdev_super+0x19d/0x330
[ 87.749879][ T6275] ? __pfx_gfs2_fill_super+0x10/0x10
[ 87.749920][ T6275] get_tree_bdev_flags+0x1c0/0x290
[ 87.749945][ T6275] gfs2_get_tree+0x26/0xd0
[ 87.749976][ T6275] vfs_get_tree+0x30/0x120
[ 87.749994][ T6275] path_mount+0x5a9/0x1350
[ 87.750024][ T6275] ? putname+0x78/0xe0
[ 87.750054][ T6275] __x64_sys_mount+0x1a3/0x1e0
[ 87.750084][ T6275] do_syscall_64+0xa4/0xf80
[ 87.750117][ T6275] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.750137][ T6275] RIP: 0033:0x7ff109f9c14a
[ 87.750152][ T6275] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 87.750171][ T6275] RSP: 002b:00007ff10aecde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 87.750190][ T6275] RAX: ffffffffffffffda RBX: 00007ff10aecdee0 RCX: 00007ff109f9c14a
[ 87.750203][ T6275] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ff10aecdea0
[ 87.750215][ T6275] RBP: 00002000000124c0 R08: 00007ff10aecdee0 R09: 0000000000000000
[ 87.750228][ T6275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 87.750239][ T6275] R13: 00007ff10aecdea0 R14: 0000000000012588 R15: 0000200000000000
[ 87.750254][ T6275]
[ 87.750264][ T6275] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 87.793867][ T6273] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 87.799065][ T6275] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 87.804360][ T6277] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 88.007988][ T6278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 88.061244][ T6277] CPU: 0 UID: 0 PID: 6277 Comm: syz.2.45 Not tainted syzkaller #0 PREEMPT(full)
[ 88.061270][ T6277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 88.061281][ T6277] Call Trace:
[ 88.061287][ T6277]
[ 88.061293][ T6277] dump_stack_lvl+0x97/0xe0
[ 88.061318][ T6277] sysfs_warn_dup.cold+0x1c/0x28
[ 88.061349][ T6277] sysfs_create_dir_ns+0x129/0x140
[ 88.061375][ T6277] kobject_add_internal+0x104/0x310
[ 88.061400][ T6277] kobject_init_and_add+0xb2/0xf0
[ 88.061424][ T6277] ? alloc_workqueue_noprof+0xe0/0xb60
[ 88.061450][ T6277] gfs2_sys_fs_add+0xef/0x200
[ 88.061479][ T6277] gfs2_fill_super+0x896/0x1210
[ 88.061497][ T6277] ? sb_set_blocksize+0x8c/0x150
[ 88.061521][ T6277] ? setup_bdev_super+0x19d/0x330
[ 88.061541][ T6277] ? __pfx_gfs2_fill_super+0x10/0x10
[ 88.061574][ T6277] get_tree_bdev_flags+0x1c0/0x290
[ 88.061600][ T6277] gfs2_get_tree+0x26/0xd0
[ 88.061630][ T6277] vfs_get_tree+0x30/0x120
[ 88.061649][ T6277] path_mount+0x5a9/0x1350
[ 88.061680][ T6277] ? putname+0x78/0xe0
[ 88.061709][ T6277] __x64_sys_mount+0x1a3/0x1e0
[ 88.061740][ T6277] do_syscall_64+0xa4/0xf80
[ 88.061773][ T6277] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.061793][ T6277] RIP: 0033:0x7f0c14b9c14a
[ 88.061808][ T6277] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 88.061828][ T6277] RSP: 002b:00007f0c15ac6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 88.061855][ T6277] RAX: ffffffffffffffda RBX: 00007f0c15ac6ee0 RCX: 00007f0c14b9c14a
[ 88.061868][ T6277] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f0c15ac6ea0
[ 88.061880][ T6277] RBP: 00002000000124c0 R08: 00007f0c15ac6ee0 R09: 0000000000000000
[ 88.061892][ T6277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 88.061904][ T6277] R13: 00007f0c15ac6ea0 R14: 0000000000012588 R15: 0000200000000000
[ 88.061920][ T6277]
[ 88.061928][ T6277] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 88.149046][ T5924] syz-executor: attempt to access beyond end of device
[ 88.149046][ T5924] loop1: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768
[ 88.169006][ T6278] CPU: 0 UID: 0 PID: 6278 Comm: syz.6.49 Not tainted syzkaller #0 PREEMPT(full)
[ 88.169033][ T6278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 88.169044][ T6278] Call Trace:
[ 88.169049][ T6278]
[ 88.169055][ T6278] dump_stack_lvl+0x97/0xe0
[ 88.169082][ T6278] sysfs_warn_dup.cold+0x1c/0x28
[ 88.169113][ T6278] sysfs_create_dir_ns+0x129/0x140
[ 88.169138][ T6278] kobject_add_internal+0x104/0x310
[ 88.169163][ T6278] kobject_init_and_add+0xb2/0xf0
[ 88.169188][ T6278] ? alloc_workqueue_noprof+0xe0/0xb60
[ 88.169214][ T6278] gfs2_sys_fs_add+0xef/0x200
[ 88.169244][ T6278] gfs2_fill_super+0x896/0x1210
[ 88.169262][ T6278] ? sb_set_blocksize+0x8c/0x150
[ 88.169286][ T6278] ? setup_bdev_super+0x19d/0x330
[ 88.169306][ T6278] ? __pfx_gfs2_fill_super+0x10/0x10
[ 88.169339][ T6278] get_tree_bdev_flags+0x1c0/0x290
[ 88.169364][ T6278] gfs2_get_tree+0x26/0xd0
[ 88.169395][ T6278] vfs_get_tree+0x30/0x120
[ 88.169413][ T6278] path_mount+0x5a9/0x1350
[ 88.169444][ T6278] ? putname+0x78/0xe0
[ 88.169473][ T6278] __x64_sys_mount+0x1a3/0x1e0
[ 88.169504][ T6278] do_syscall_64+0xa4/0xf80
[ 88.169536][ T6278] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.169556][ T6278] RIP: 0033:0x7f2fb899c14a
[ 88.169570][ T6278] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 88.169589][ T6278] RSP: 002b:00007f2fb97f5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 88.169608][ T6278] RAX: ffffffffffffffda RBX: 00007f2fb97f5ee0 RCX: 00007f2fb899c14a
[ 88.169621][ T6278] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f2fb97f5ea0
[ 88.169633][ T6278] RBP: 00002000000124c0 R08: 00007f2fb97f5ee0 R09: 0000000000000000
[ 88.169645][ T6278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 88.169657][ T6278] R13: 00007f2fb97f5ea0 R14: 0000000000012588 R15: 0000200000000000
[ 88.169672][ T6278]
[ 88.169682][ T6278] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 88.203938][ T6277] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 88.248951][ T6278] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 88.268952][ T5924] Buffer I/O error on dev loop1, logical block 8589934885, lost async page write
[ 88.631844][ T6303] loop5: detected capacity change from 0 to 32768
[ 88.791551][ T5924] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[ 88.817955][ T6302] loop0: detected capacity change from 0 to 32768
[ 88.824832][ T5924] CPU: 1 UID: 0 PID: 5924 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 88.824858][ T5924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 88.824870][ T5924] Call Trace:
[ 88.824875][ T5924]
[ 88.824882][ T5924] dump_stack_lvl+0x97/0xe0
[ 88.824909][ T5924] gfs2_withdraw.cold+0xa/0x77
[ 88.824928][ T5924] gfs2_io_error_bh_i.cold+0x2d/0x32
[ 88.824948][ T5924] gfs2_ail1_flush+0x497/0x7e0
[ 88.824985][ T5924] gfs2_ail1_start+0x4f/0x80
[ 88.825023][ T5924] gfs2_log_flush+0xf9a/0x1170
[ 88.825043][ T5924] gfs2_kill_sb+0x3e/0x1e0
[ 88.825075][ T5924] deactivate_locked_super+0x4f/0x120
[ 88.825099][ T5924] deactivate_super+0xa4/0xc0
[ 88.825121][ T5924] cleanup_mnt+0x145/0x1f0
[ 88.825145][ T5924] task_work_run+0x95/0xf0
[ 88.825176][ T5924] exit_to_user_mode_loop+0xcf/0x440
[ 88.825202][ T5924] do_syscall_64+0x2b8/0xf80
[ 88.825235][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.825255][ T5924] RIP: 0033:0x7f01a659c117
[ 88.825270][ T5924] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 88.825289][ T5924] RSP: 002b:00007fff7111de78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 88.825308][ T5924] RAX: 0000000000000000 RBX: 00007f01a660471f RCX: 00007f01a659c117
[ 88.825320][ T5924] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff7111df30
[ 88.825331][ T5924] RBP: 00007fff7111df30 R08: 00007fff7111ef30 R09: 00000000ffffffff
[ 88.825344][ T5924] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff7111efc0
[ 88.825355][ T5924] R13: 00007f01a660471f R14: 00000000000157c8 R15: 00007fff7111f000
[ 88.825370][ T5924]
[ 88.825376][ T5924] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 88.835475][ T6305] loop4: detected capacity change from 0 to 32768
[ 89.025789][ T6302] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 89.111028][ T6302] CPU: 1 UID: 0 PID: 6302 Comm: syz.0.50 Not tainted syzkaller #0 PREEMPT(full)
[ 89.111056][ T6302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 89.111068][ T6302] Call Trace:
[ 89.111074][ T6302]
[ 89.111080][ T6302] dump_stack_lvl+0x97/0xe0
[ 89.111108][ T6302] sysfs_warn_dup.cold+0x1c/0x28
[ 89.111141][ T6302] sysfs_create_dir_ns+0x129/0x140
[ 89.111169][ T6302] kobject_add_internal+0x104/0x310
[ 89.111196][ T6302] kobject_init_and_add+0xb2/0xf0
[ 89.111224][ T6302] ? alloc_workqueue_noprof+0xe0/0xb60
[ 89.111253][ T6302] gfs2_sys_fs_add+0xef/0x200
[ 89.111284][ T6302] gfs2_fill_super+0x896/0x1210
[ 89.111304][ T6302] ? sb_set_blocksize+0x8c/0x150
[ 89.111329][ T6302] ? setup_bdev_super+0x19d/0x330
[ 89.111352][ T6302] ? __pfx_gfs2_fill_super+0x10/0x10
[ 89.111389][ T6302] get_tree_bdev_flags+0x1c0/0x290
[ 89.111417][ T6302] gfs2_get_tree+0x26/0xd0
[ 89.111452][ T6302] vfs_get_tree+0x30/0x120
[ 89.111471][ T6302] path_mount+0x5a9/0x1350
[ 89.111504][ T6302] ? putname+0x78/0xe0
[ 89.111537][ T6302] __x64_sys_mount+0x1a3/0x1e0
[ 89.111571][ T6302] do_syscall_64+0xa4/0xf80
[ 89.111606][ T6302] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.111628][ T6302] RIP: 0033:0x7fceb659c14a
[ 89.111643][ T6302] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 89.111663][ T6302] RSP: 002b:00007fceb74abe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 89.111683][ T6302] RAX: ffffffffffffffda RBX: 00007fceb74abee0 RCX: 00007fceb659c14a
[ 89.111697][ T6302] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fceb74abea0
[ 89.111710][ T6302] RBP: 00002000000124c0 R08: 00007fceb74abee0 R09: 0000000000000000
[ 89.111724][ T6302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 89.111737][ T6302] R13: 00007fceb74abea0 R14: 0000000000012588 R15: 0000200000000000
[ 89.111753][ T6302]
[ 89.111762][ T6302] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 89.213750][ T6310] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 89.216993][ T6302] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 89.221586][ T6310] CPU: 0 UID: 0 PID: 6310 Comm: syz.6.55 Not tainted syzkaller #0 PREEMPT(full)
[ 89.221612][ T6310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 89.221623][ T6310] Call Trace:
[ 89.221629][ T6310]
[ 89.221635][ T6310] dump_stack_lvl+0x97/0xe0
[ 89.221662][ T6310] sysfs_warn_dup.cold+0x1c/0x28
[ 89.221693][ T6310] sysfs_create_dir_ns+0x129/0x140
[ 89.221719][ T6310] kobject_add_internal+0x104/0x310
[ 89.221745][ T6310] kobject_init_and_add+0xb2/0xf0
[ 89.221769][ T6310] ? alloc_workqueue_noprof+0xe0/0xb60
[ 89.221796][ T6310] gfs2_sys_fs_add+0xef/0x200
[ 89.221833][ T6310] gfs2_fill_super+0x896/0x1210
[ 89.221852][ T6310] ? sb_set_blocksize+0x8c/0x150
[ 89.221877][ T6310] ? setup_bdev_super+0x19d/0x330
[ 89.221897][ T6310] ? __pfx_gfs2_fill_super+0x10/0x10
[ 89.221931][ T6310] get_tree_bdev_flags+0x1c0/0x290
[ 89.221957][ T6310] gfs2_get_tree+0x26/0xd0
[ 89.221987][ T6310] vfs_get_tree+0x30/0x120
[ 89.222005][ T6310] path_mount+0x5a9/0x1350
[ 89.222035][ T6310] ? putname+0x78/0xe0
[ 89.222064][ T6310] __x64_sys_mount+0x1a3/0x1e0
[ 89.222095][ T6310] do_syscall_64+0xa4/0xf80
[ 89.222128][ T6310] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.222148][ T6310] RIP: 0033:0x7f2fb899c14a
[ 89.222163][ T6310] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 89.222182][ T6310] RSP: 002b:00007f2fb97f5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 89.222206][ T6310] RAX: ffffffffffffffda RBX: 00007f2fb97f5ee0 RCX: 00007f2fb899c14a
[ 89.222219][ T6310] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f2fb97f5ea0
[ 89.222232][ T6310] RBP: 00002000000124c0 R08: 00007f2fb97f5ee0 R09: 0000000000000000
[ 89.222244][ T6310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 89.222256][ T6310] R13: 00007f2fb97f5ea0 R14: 0000000000012588 R15: 0000200000000000
[ 89.222271][ T6310]
[ 89.222313][ T6310] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 89.249251][ T6303] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 89.255182][ T6310] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 89.263645][ T6303] CPU: 1 UID: 0 PID: 6303 Comm: syz.5.51 Not tainted syzkaller #0 PREEMPT(full)
[ 89.263670][ T6303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 89.263681][ T6303] Call Trace:
[ 89.263686][ T6303]
[ 89.263692][ T6303] dump_stack_lvl+0x97/0xe0
[ 89.263719][ T6303] sysfs_warn_dup.cold+0x1c/0x28
[ 89.263750][ T6303] sysfs_create_dir_ns+0x129/0x140
[ 89.263775][ T6303] kobject_add_internal+0x104/0x310
[ 89.263799][ T6303] kobject_init_and_add+0xb2/0xf0
[ 89.263824][ T6303] ? alloc_workqueue_noprof+0xe0/0xb60
[ 89.263851][ T6303] gfs2_sys_fs_add+0xef/0x200
[ 89.263879][ T6303] gfs2_fill_super+0x896/0x1210
[ 89.263898][ T6303] ? sb_set_blocksize+0x8c/0x150
[ 89.263922][ T6303] ? setup_bdev_super+0x19d/0x330
[ 89.263942][ T6303] ? __pfx_gfs2_fill_super+0x10/0x10
[ 89.263976][ T6303] get_tree_bdev_flags+0x1c0/0x290
[ 89.264001][ T6303] gfs2_get_tree+0x26/0xd0
[ 89.264031][ T6303] vfs_get_tree+0x30/0x120
[ 89.264050][ T6303] path_mount+0x5a9/0x1350
[ 89.264080][ T6303] ? putname+0x78/0xe0
[ 89.264109][ T6303] __x64_sys_mount+0x1a3/0x1e0
[ 89.264141][ T6303] do_syscall_64+0xa4/0xf80
[ 89.264173][ T6303] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.264194][ T6303] RIP: 0033:0x7fbd7ab9c14a
[ 89.264209][ T6303] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 89.264229][ T6303] RSP: 002b:00007fbd7bb29e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 89.264248][ T6303] RAX: ffffffffffffffda RBX: 00007fbd7bb29ee0 RCX: 00007fbd7ab9c14a
[ 89.264261][ T6303] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbd7bb29ea0
[ 89.264273][ T6303] RBP: 00002000000124c0 R08: 00007fbd7bb29ee0 R09: 0000000000000000
[ 89.264286][ T6303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 89.264298][ T6303] R13: 00007fbd7bb29ea0 R14: 0000000000012588 R15: 0000200000000000
[ 89.264313][ T6303]
[ 89.264322][ T6303] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 89.279284][ T6305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 89.279303][ T6305] CPU: 0 UID: 0 PID: 6305 Comm: syz.4.53 Not tainted syzkaller #0 PREEMPT(full)
[ 89.279329][ T6305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 89.279341][ T6305] Call Trace:
[ 89.279346][ T6305]
[ 89.279352][ T6305] dump_stack_lvl+0x97/0xe0
[ 89.279378][ T6305] sysfs_warn_dup.cold+0x1c/0x28
[ 89.279409][ T6305] sysfs_create_dir_ns+0x129/0x140
[ 89.279436][ T6305] kobject_add_internal+0x104/0x310
[ 89.279461][ T6305] kobject_init_and_add+0xb2/0xf0
[ 89.279486][ T6305] ? alloc_workqueue_noprof+0xe0/0xb60
[ 89.279513][ T6305] gfs2_sys_fs_add+0xef/0x200
[ 89.279541][ T6305] gfs2_fill_super+0x896/0x1210
[ 89.279559][ T6305] ? sb_set_blocksize+0x8c/0x150
[ 89.279582][ T6305] ? setup_bdev_super+0x19d/0x330
[ 89.279603][ T6305] ? __pfx_gfs2_fill_super+0x10/0x10
[ 89.279637][ T6305] get_tree_bdev_flags+0x1c0/0x290
[ 89.279662][ T6305] gfs2_get_tree+0x26/0xd0
[ 89.279693][ T6305] vfs_get_tree+0x30/0x120
[ 89.279711][ T6305] path_mount+0x5a9/0x1350
[ 89.279741][ T6305] ? putname+0x78/0xe0
[ 89.279771][ T6305] __x64_sys_mount+0x1a3/0x1e0
[ 89.279802][ T6305] do_syscall_64+0xa4/0xf80
[ 89.279842][ T6305] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.279863][ T6305] RIP: 0033:0x7f8b2719c14a
[ 89.279878][ T6305] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 89.279898][ T6305] RSP: 002b:00007f8b28125e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 89.279917][ T6305] RAX: ffffffffffffffda RBX: 00007f8b28125ee0 RCX: 00007f8b2719c14a
[ 89.279930][ T6305] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8b28125ea0
[ 89.279942][ T6305] RBP: 00002000000124c0 R08: 00007f8b28125ee0 R09: 0000000000000000
[ 89.279955][ T6305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 89.279967][ T6305] R13: 00007f8b28125ea0 R14: 0000000000012588 R15: 0000200000000000
[ 89.279983][ T6305]
[ 89.279990][ T6305] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 89.288393][ T6303] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 89.297160][ T6305] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 89.320903][ T6308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 89.372206][ T6312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 89.398717][ T6308] CPU: 1 UID: 0 PID: 6308 Comm: syz.3.54 Not tainted syzkaller #0 PREEMPT(full)
[ 89.398738][ T6308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 89.398748][ T6308] Call Trace:
[ 89.398753][ T6308]
[ 89.398759][ T6308] dump_stack_lvl+0x97/0xe0
[ 89.398786][ T6308] sysfs_warn_dup.cold+0x1c/0x28
[ 89.398817][ T6308] sysfs_create_dir_ns+0x129/0x140
[ 89.398844][ T6308] kobject_add_internal+0x104/0x310
[ 89.398869][ T6308] kobject_init_and_add+0xb2/0xf0
[ 89.398894][ T6308] ? alloc_workqueue_noprof+0xe0/0xb60
[ 89.398926][ T6308] gfs2_sys_fs_add+0xef/0x200
[ 89.398955][ T6308] gfs2_fill_super+0x896/0x1210
[ 89.398974][ T6308] ? sb_set_blocksize+0x8c/0x150
[ 89.398997][ T6308] ? setup_bdev_super+0x19d/0x330
[ 89.399018][ T6308] ? __pfx_gfs2_fill_super+0x10/0x10
[ 89.399051][ T6308] get_tree_bdev_flags+0x1c0/0x290
[ 89.399076][ T6308] gfs2_get_tree+0x26/0xd0
[ 89.399107][ T6308] vfs_get_tree+0x30/0x120
[ 89.399125][ T6308] path_mount+0x5a9/0x1350
[ 89.399155][ T6308] ? putname+0x78/0xe0
[ 89.399184][ T6308] __x64_sys_mount+0x1a3/0x1e0
[ 89.399214][ T6308] do_syscall_64+0xa4/0xf80
[ 89.399247][ T6308] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.399267][ T6308] RIP: 0033:0x7ff109f9c14a
[ 89.399282][ T6308] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 89.399301][ T6308] RSP: 002b:00007ff10aecde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 89.399320][ T6308] RAX: ffffffffffffffda RBX: 00007ff10aecdee0 RCX: 00007ff109f9c14a
[ 89.399333][ T6308] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ff10aecdea0
[ 89.399345][ T6308] RBP: 00002000000124c0 R08: 00007ff10aecdee0 R09: 0000000000000000
[ 89.399358][ T6308] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 89.399370][ T6308] R13: 00007ff10aecdea0 R14: 0000000000012588 R15: 0000200000000000
[ 89.399385][ T6308]
[ 89.399414][ T6308] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 89.462792][ T6312] CPU: 0 UID: 0 PID: 6312 Comm: syz.2.56 Not tainted syzkaller #0 PREEMPT(full)
[ 89.462818][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 89.462837][ T6312] Call Trace:
[ 89.462842][ T6312]
[ 89.462849][ T6312] dump_stack_lvl+0x97/0xe0
[ 89.462875][ T6312] sysfs_warn_dup.cold+0x1c/0x28
[ 89.462906][ T6312] sysfs_create_dir_ns+0x129/0x140
[ 89.462932][ T6312] kobject_add_internal+0x104/0x310
[ 89.462956][ T6312] kobject_init_and_add+0xb2/0xf0
[ 89.462982][ T6312] ? alloc_workqueue_noprof+0xe0/0xb60
[ 89.463008][ T6312] gfs2_sys_fs_add+0xef/0x200
[ 89.463037][ T6312] gfs2_fill_super+0x896/0x1210
[ 89.463056][ T6312] ? sb_set_blocksize+0x8c/0x150
[ 89.463079][ T6312] ? setup_bdev_super+0x19d/0x330
[ 89.463100][ T6312] ? __pfx_gfs2_fill_super+0x10/0x10
[ 89.463133][ T6312] get_tree_bdev_flags+0x1c0/0x290
[ 89.463158][ T6312] gfs2_get_tree+0x26/0xd0
[ 89.463189][ T6312] vfs_get_tree+0x30/0x120
[ 89.463207][ T6312] path_mount+0x5a9/0x1350
[ 89.463237][ T6312] ? putname+0x78/0xe0
[ 89.463266][ T6312] __x64_sys_mount+0x1a3/0x1e0
[ 89.463297][ T6312] do_syscall_64+0xa4/0xf80
[ 89.463330][ T6312] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.463350][ T6312] RIP: 0033:0x7f0c14b9c14a
[ 89.463364][ T6312] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 89.463384][ T6312] RSP: 002b:00007f0c15ac6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 89.463403][ T6312] RAX: ffffffffffffffda RBX: 00007f0c15ac6ee0 RCX: 00007f0c14b9c14a
[ 89.463416][ T6312] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f0c15ac6ea0
[ 89.463428][ T6312] RBP: 00002000000124c0 R08: 00007f0c15ac6ee0 R09: 0000000000000000
[ 89.463440][ T6312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 89.463452][ T6312] R13: 00007f0c15ac6ea0 R14: 0000000000012588 R15: 0000200000000000
[ 89.463467][ T6312]
[ 89.463476][ T6312] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 89.486871][ T6308] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 90.436836][ T6312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 94.180200][ T5844] gfs2: fsid=syz:syz.0: file system withdrawn
[ 94.275577][ T6328] set_capacity_and_notify: 3 callbacks suppressed
[ 94.275590][ T6328] loop1: detected capacity change from 0 to 32768
[ 94.293240][ T6328] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 94.302616][ T6328] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 94.310842][ T6328] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[ 94.318753][ T6089] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 94.325578][ T6089] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 94.336401][ T6089] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 10ms
[ 94.343916][ T6089] gfs2: fsid=syz:syz.0: jid=0: Done
[ 94.349152][ T6328] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 94.374798][ T6328] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 94.383600][ T5924] syz-executor: attempt to access beyond end of device
[ 94.383600][ T5924] loop1: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768
[ 94.398294][ T5924] Buffer I/O error on dev loop1, logical block 8589934885, lost async page write
[ 94.407655][ T5924] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[ 94.420917][ T5924] CPU: 1 UID: 0 PID: 5924 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 94.420944][ T5924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 94.420958][ T5924] Call Trace:
[ 94.420963][ T5924]
[ 94.420970][ T5924] dump_stack_lvl+0x97/0xe0
[ 94.421000][ T5924] gfs2_withdraw.cold+0xa/0x77
[ 94.421021][ T5924] gfs2_io_error_bh_i.cold+0x2d/0x32
[ 94.421043][ T5924] gfs2_ail1_flush+0x497/0x7e0
[ 94.421084][ T5924] gfs2_ail1_start+0x4f/0x80
[ 94.421125][ T5924] gfs2_log_flush+0xf9a/0x1170
[ 94.421146][ T5924] gfs2_kill_sb+0x3e/0x1e0
[ 94.421170][ T5924] deactivate_locked_super+0x4f/0x120
[ 94.421189][ T5924] deactivate_super+0xa4/0xc0
[ 94.421206][ T5924] cleanup_mnt+0x145/0x1f0
[ 94.421224][ T5924] task_work_run+0x95/0xf0
[ 94.421247][ T5924] exit_to_user_mode_loop+0xcf/0x440
[ 94.421268][ T5924] do_syscall_64+0x2b8/0xf80
[ 94.421294][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.421311][ T5924] RIP: 0033:0x7f01a659c117
[ 94.421322][ T5924] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 94.421338][ T5924] RSP: 002b:00007fff7111de78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 94.421352][ T5924] RAX: 0000000000000000 RBX: 00007f01a660471f RCX: 00007f01a659c117
[ 94.421362][ T5924] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff7111df30
[ 94.421371][ T5924] RBP: 00007fff7111df30 R08: 00007fff7111ef30 R09: 00000000ffffffff
[ 94.421381][ T5924] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff7111efc0
[ 94.421390][ T5924] R13: 00007f01a660471f R14: 0000000000016feb R15: 00007fff7111f000
[ 94.421402][ T5924]
[ 94.421407][ T5924] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 99.619037][ T5924] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564
[ 99.633657][ T5924] CPU: 1 UID: 0 PID: 5924 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 99.633686][ T5924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 99.633699][ T5924] Call Trace:
[ 99.633704][ T5924]
[ 99.633712][ T5924] dump_stack_lvl+0x97/0xe0
[ 99.633741][ T5924] gfs2_assert_warn_i.cold+0x38/0x94
[ 99.633764][ T5924] gfs2_make_fs_ro+0x13d/0x220
[ 99.633788][ T5924] ? __pfx_autoremove_wake_function+0x10/0x10
[ 99.633827][ T5924] gfs2_put_super+0xb4/0x2d0
[ 99.633843][ T5924] ? __pfx_gfs2_put_super+0x10/0x10
[ 99.633860][ T5924] generic_shutdown_super+0x9c/0x160
[ 99.633877][ T5924] kill_block_super+0x1d/0x50
[ 99.633892][ T5924] gfs2_kill_sb+0x1b6/0x1e0
[ 99.633916][ T5924] deactivate_locked_super+0x4f/0x120
[ 99.633934][ T5924] deactivate_super+0xa4/0xc0
[ 99.633951][ T5924] cleanup_mnt+0x145/0x1f0
[ 99.633970][ T5924] task_work_run+0x95/0xf0
[ 99.633993][ T5924] exit_to_user_mode_loop+0xcf/0x440
[ 99.634013][ T5924] do_syscall_64+0x2b8/0xf80
[ 99.634038][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 99.634055][ T5924] RIP: 0033:0x7f01a659c117
[ 99.634067][ T5924] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 99.634082][ T5924] RSP: 002b:00007fff7111de78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 99.634097][ T5924] RAX: 0000000000000000 RBX: 00007f01a660471f RCX: 00007f01a659c117
[ 99.634107][ T5924] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff7111df30
[ 99.634116][ T5924] RBP: 00007fff7111df30 R08: 00007fff7111ef30 R09: 00000000ffffffff
[ 99.634125][ T5924] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff7111efc0
[ 99.634135][ T5924] R13: 00007f01a660471f R14: 0000000000016feb R15: 00007fff7111f000
[ 99.634146][ T5924]
2026/01/29 10:25:31 executed programs: 54
[ 102.191704][ T6338] loop5: detected capacity change from 0 to 32768
[ 102.227251][ T6341] loop3: detected capacity change from 0 to 32768
[ 102.241494][ T6347] loop0: detected capacity change from 0 to 32768
[ 102.248442][ T6338] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 102.290639][ T6345] loop6: detected capacity change from 0 to 32768
[ 102.307499][ T6338] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 102.319025][ T6345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 102.334248][ T6341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 102.336631][ T6338] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[ 102.350646][ T6347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 102.358425][ T6340] loop2: detected capacity change from 0 to 32768
[ 102.359135][ T5844] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 102.374224][ T6345] CPU: 1 UID: 0 PID: 6345 Comm: syz.6.63 Not tainted syzkaller #0 PREEMPT(full)
[ 102.374263][ T6345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 102.374281][ T6345] Call Trace:
[ 102.374286][ T6345]
[ 102.374293][ T6345] dump_stack_lvl+0x97/0xe0
[ 102.374322][ T6345] sysfs_warn_dup.cold+0x1c/0x28
[ 102.374357][ T6345] sysfs_create_dir_ns+0x129/0x140
[ 102.374386][ T6345] kobject_add_internal+0x104/0x310
[ 102.374413][ T6345] kobject_init_and_add+0xb2/0xf0
[ 102.374441][ T6345] ? alloc_workqueue_noprof+0xe0/0xb60
[ 102.374471][ T6345] gfs2_sys_fs_add+0xef/0x200
[ 102.374502][ T6345] gfs2_fill_super+0x896/0x1210
[ 102.374523][ T6345] ? sb_set_blocksize+0x8c/0x150
[ 102.374550][ T6345] ? setup_bdev_super+0x19d/0x330
[ 102.374573][ T6345] ? __pfx_gfs2_fill_super+0x10/0x10
[ 102.374610][ T6345] get_tree_bdev_flags+0x1c0/0x290
[ 102.374639][ T6345] gfs2_get_tree+0x26/0xd0
[ 102.374673][ T6345] vfs_get_tree+0x30/0x120
[ 102.374694][ T6345] path_mount+0x5a9/0x1350
[ 102.374728][ T6345] ? putname+0x78/0xe0
[ 102.374779][ T6345] __x64_sys_mount+0x1a3/0x1e0
[ 102.374814][ T6345] do_syscall_64+0xa4/0xf80
[ 102.374850][ T6345] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.374873][ T6345] RIP: 0033:0x7f2fb899c14a
[ 102.374889][ T6345] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 102.374912][ T6345] RSP: 002b:00007f2fb97f5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 102.374932][ T6345] RAX: ffffffffffffffda RBX: 00007f2fb97f5ee0 RCX: 00007f2fb899c14a
[ 102.374946][ T6345] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f2fb97f5ea0
[ 102.374959][ T6345] RBP: 00002000000124c0 R08: 00007f2fb97f5ee0 R09: 0000000000000000
[ 102.374973][ T6345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 102.374986][ T6345] R13: 00007f2fb97f5ea0 R14: 0000000000012588 R15: 0000200000000000
[ 102.375003][ T6345]
[ 102.375013][ T6345] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 102.396163][ T6342] loop1: detected capacity change from 0 to 32768
[ 102.407103][ T6341] CPU: 1 UID: 0 PID: 6341 Comm: syz.3.60 Not tainted syzkaller #0 PREEMPT(full)
[ 102.407130][ T6341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 102.407142][ T6341] Call Trace:
[ 102.407147][ T6341]
[ 102.407153][ T6341] dump_stack_lvl+0x97/0xe0
[ 102.407180][ T6341] sysfs_warn_dup.cold+0x1c/0x28
[ 102.407211][ T6341] sysfs_create_dir_ns+0x129/0x140
[ 102.407237][ T6341] kobject_add_internal+0x104/0x310
[ 102.407261][ T6341] kobject_init_and_add+0xb2/0xf0
[ 102.407286][ T6341] ? alloc_workqueue_noprof+0xe0/0xb60
[ 102.407313][ T6341] gfs2_sys_fs_add+0xef/0x200
[ 102.407343][ T6341] gfs2_fill_super+0x896/0x1210
[ 102.407361][ T6341] ? sb_set_blocksize+0x8c/0x150
[ 102.407385][ T6341] ? setup_bdev_super+0x19d/0x330
[ 102.407405][ T6341] ? __pfx_gfs2_fill_super+0x10/0x10
[ 102.407438][ T6341] get_tree_bdev_flags+0x1c0/0x290
[ 102.407463][ T6341] gfs2_get_tree+0x26/0xd0
[ 102.407493][ T6341] vfs_get_tree+0x30/0x120
[ 102.407511][ T6341] path_mount+0x5a9/0x1350
[ 102.407541][ T6341] ? putname+0x78/0xe0
[ 102.407570][ T6341] __x64_sys_mount+0x1a3/0x1e0
[ 102.407601][ T6341] do_syscall_64+0xa4/0xf80
[ 102.407633][ T6341] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.407653][ T6341] RIP: 0033:0x7ff109f9c14a
[ 102.407668][ T6341] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 102.407688][ T6341] RSP: 002b:00007ff10aecde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 102.407706][ T6341] RAX: ffffffffffffffda RBX: 00007ff10aecdee0 RCX: 00007ff109f9c14a
[ 102.407719][ T6341] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ff10aecdea0
[ 102.407732][ T6341] RBP: 00002000000124c0 R08: 00007ff10aecdee0 R09: 0000000000000000
[ 102.407744][ T6341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 102.407757][ T6341] R13: 00007ff10aecdea0 R14: 0000000000012588 R15: 0000200000000000
[ 102.407772][ T6341]
[ 102.407782][ T6341] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 102.427336][ T6346] loop4: detected capacity change from 0 to 32768
[ 102.449110][ T5844] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 102.451305][ T6345] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 102.472803][ T5844] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 23ms
[ 102.475073][ T6347] CPU: 0 UID: 0 PID: 6347 Comm: syz.0.57 Not tainted syzkaller #0 PREEMPT(full)
[ 102.475099][ T6347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 102.475111][ T6347] Call Trace:
[ 102.475116][ T6347]
[ 102.475122][ T6347] dump_stack_lvl+0x97/0xe0
[ 102.475148][ T6347] sysfs_warn_dup.cold+0x1c/0x28
[ 102.475179][ T6347] sysfs_create_dir_ns+0x129/0x140
[ 102.475205][ T6347] kobject_add_internal+0x104/0x310
[ 102.475230][ T6347] kobject_init_and_add+0xb2/0xf0
[ 102.475256][ T6347] ? alloc_workqueue_noprof+0xe0/0xb60
[ 102.475282][ T6347] gfs2_sys_fs_add+0xef/0x200
[ 102.475311][ T6347] gfs2_fill_super+0x896/0x1210
[ 102.475330][ T6347] ? sb_set_blocksize+0x8c/0x150
[ 102.475353][ T6347] ? setup_bdev_super+0x19d/0x330
[ 102.475374][ T6347] ? __pfx_gfs2_fill_super+0x10/0x10
[ 102.475407][ T6347] get_tree_bdev_flags+0x1c0/0x290
[ 102.475433][ T6347] gfs2_get_tree+0x26/0xd0
[ 102.475464][ T6347] vfs_get_tree+0x30/0x120
[ 102.475482][ T6347] path_mount+0x5a9/0x1350
[ 102.475513][ T6347] ? putname+0x78/0xe0
[ 102.475543][ T6347] __x64_sys_mount+0x1a3/0x1e0
[ 102.475581][ T6347] do_syscall_64+0xa4/0xf80
[ 102.475613][ T6347] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.475633][ T6347] RIP: 0033:0x7fceb659c14a
[ 102.475648][ T6347] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 102.475667][ T6347] RSP: 002b:00007fceb74abe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 102.475686][ T6347] RAX: ffffffffffffffda RBX: 00007fceb74abee0 RCX: 00007fceb659c14a
[ 102.475699][ T6347] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fceb74abea0
[ 102.475712][ T6347] RBP: 00002000000124c0 R08: 00007fceb74abee0 R09: 0000000000000000
[ 102.475724][ T6347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 102.475736][ T6347] R13: 00007fceb74abea0 R14: 0000000000012588 R15: 0000200000000000
[ 102.475751][ T6347]
[ 102.475761][ T6347] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 102.498062][ T5844] gfs2: fsid=syz:syz.0: jid=0: Done
[ 102.499673][ T6347] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 102.569254][ T6341] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 102.570096][ T6338] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 102.639056][ T6342] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 102.647582][ T6342] CPU: 1 UID: 0 PID: 6342 Comm: syz.1.58 Not tainted syzkaller #0 PREEMPT(full)
[ 102.647609][ T6342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 102.647620][ T6342] Call Trace:
[ 102.647625][ T6342]
[ 102.647632][ T6342] dump_stack_lvl+0x97/0xe0
[ 102.647660][ T6342] sysfs_warn_dup.cold+0x1c/0x28
[ 102.647691][ T6342] sysfs_create_dir_ns+0x129/0x140
[ 102.647717][ T6342] kobject_add_internal+0x104/0x310
[ 102.647743][ T6342] kobject_init_and_add+0xb2/0xf0
[ 102.647768][ T6342] ? alloc_workqueue_noprof+0xe0/0xb60
[ 102.647803][ T6342] gfs2_sys_fs_add+0xef/0x200
[ 102.647832][ T6342] gfs2_fill_super+0x896/0x1210
[ 102.647850][ T6342] ? sb_set_blocksize+0x8c/0x150
[ 102.647874][ T6342] ? setup_bdev_super+0x19d/0x330
[ 102.647894][ T6342] ? __pfx_gfs2_fill_super+0x10/0x10
[ 102.647927][ T6342] get_tree_bdev_flags+0x1c0/0x290
[ 102.647952][ T6342] gfs2_get_tree+0x26/0xd0
[ 102.647982][ T6342] vfs_get_tree+0x30/0x120
[ 102.648000][ T6342] path_mount+0x5a9/0x1350
[ 102.648031][ T6342] ? putname+0x78/0xe0
[ 102.648061][ T6342] __x64_sys_mount+0x1a3/0x1e0
[ 102.648092][ T6342] do_syscall_64+0xa4/0xf80
[ 102.648124][ T6342] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.648145][ T6342] RIP: 0033:0x7f01a659c14a
[ 102.648160][ T6342] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 102.648180][ T6342] RSP: 002b:00007f01a742ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 102.648198][ T6342] RAX: ffffffffffffffda RBX: 00007f01a742cee0 RCX: 00007f01a659c14a
[ 102.648212][ T6342] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f01a742cea0
[ 102.648224][ T6342] RBP: 00002000000124c0 R08: 00007f01a742cee0 R09: 0000000000000000
[ 102.648237][ T6342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 102.648249][ T6342] R13: 00007f01a742cea0 R14: 0000000000012588 R15: 0000200000000000
[ 102.648264][ T6342]
[ 102.648273][ T6342] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 102.659246][ T6340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 102.663122][ T6342] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 102.666365][ T6340] CPU: 0 UID: 0 PID: 6340 Comm: syz.2.59 Not tainted syzkaller #0 PREEMPT(full)
[ 102.666390][ T6340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 102.666402][ T6340] Call Trace:
[ 102.666407][ T6340]
[ 102.666414][ T6340] dump_stack_lvl+0x97/0xe0
[ 102.666440][ T6340] sysfs_warn_dup.cold+0x1c/0x28
[ 102.666471][ T6340] sysfs_create_dir_ns+0x129/0x140
[ 102.666497][ T6340] kobject_add_internal+0x104/0x310
[ 102.666530][ T6340] kobject_init_and_add+0xb2/0xf0
[ 102.666556][ T6340] ? alloc_workqueue_noprof+0xe0/0xb60
[ 102.666582][ T6340] gfs2_sys_fs_add+0xef/0x200
[ 102.666612][ T6340] gfs2_fill_super+0x896/0x1210
[ 102.666631][ T6340] ? sb_set_blocksize+0x8c/0x150
[ 102.666654][ T6340] ? setup_bdev_super+0x19d/0x330
[ 102.666675][ T6340] ? __pfx_gfs2_fill_super+0x10/0x10
[ 102.666708][ T6340] get_tree_bdev_flags+0x1c0/0x290
[ 102.666734][ T6340] gfs2_get_tree+0x26/0xd0
[ 102.666764][ T6340] vfs_get_tree+0x30/0x120
[ 102.666782][ T6340] path_mount+0x5a9/0x1350
[ 102.666812][ T6340] ? putname+0x78/0xe0
[ 102.666842][ T6340] __x64_sys_mount+0x1a3/0x1e0
[ 102.666873][ T6340] do_syscall_64+0xa4/0xf80
[ 102.666905][ T6340] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.666926][ T6340] RIP: 0033:0x7f0c14b9c14a
[ 102.666941][ T6340] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 102.666960][ T6340] RSP: 002b:00007f0c15ac6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 102.666979][ T6340] RAX: ffffffffffffffda RBX: 00007f0c15ac6ee0 RCX: 00007f0c14b9c14a
[ 102.666991][ T6340] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f0c15ac6ea0
[ 102.667004][ T6340] RBP: 00002000000124c0 R08: 00007f0c15ac6ee0 R09: 0000000000000000
[ 102.667016][ T6340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 102.667028][ T6340] R13: 00007f0c15ac6ea0 R14: 0000000000012588 R15: 0000200000000000
[ 102.667043][ T6340]
[ 102.667051][ T6340] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 102.728985][ T6346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 102.734396][ T6340] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 102.895339][ T6346] CPU: 1 UID: 0 PID: 6346 Comm: syz.4.61 Not tainted syzkaller #0 PREEMPT(full)
[ 102.895371][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 102.895383][ T6346] Call Trace:
[ 102.895388][ T6346]
[ 102.895394][ T6346] dump_stack_lvl+0x97/0xe0
[ 102.895421][ T6346] sysfs_warn_dup.cold+0x1c/0x28
[ 102.895452][ T6346] sysfs_create_dir_ns+0x129/0x140
[ 102.895478][ T6346] kobject_add_internal+0x104/0x310
[ 102.895502][ T6346] kobject_init_and_add+0xb2/0xf0
[ 102.895527][ T6346] ? alloc_workqueue_noprof+0xe0/0xb60
[ 102.895554][ T6346] gfs2_sys_fs_add+0xef/0x200
[ 102.895583][ T6346] gfs2_fill_super+0x896/0x1210
[ 102.895603][ T6346] ? sb_set_blocksize+0x8c/0x150
[ 102.895626][ T6346] ? setup_bdev_super+0x19d/0x330
[ 102.895647][ T6346] ? __pfx_gfs2_fill_super+0x10/0x10
[ 102.895680][ T6346] get_tree_bdev_flags+0x1c0/0x290
[ 102.895706][ T6346] gfs2_get_tree+0x26/0xd0
[ 102.895736][ T6346] vfs_get_tree+0x30/0x120
[ 102.895755][ T6346] path_mount+0x5a9/0x1350
[ 102.895792][ T6346] ? putname+0x78/0xe0
[ 102.895822][ T6346] __x64_sys_mount+0x1a3/0x1e0
[ 102.895853][ T6346] do_syscall_64+0xa4/0xf80
[ 102.895885][ T6346] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.895906][ T6346] RIP: 0033:0x7f8b2719c14a
[ 102.895921][ T6346] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 102.895941][ T6346] RSP: 002b:00007f8b28125e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 102.895960][ T6346] RAX: ffffffffffffffda RBX: 00007f8b28125ee0 RCX: 00007f8b2719c14a
[ 102.895973][ T6346] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8b28125ea0
[ 102.895985][ T6346] RBP: 00002000000124c0 R08: 00007f8b28125ee0 R09: 0000000000000000
[ 102.895998][ T6346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 102.896010][ T6346] R13: 00007f8b28125ea0 R14: 0000000000012588 R15: 0000200000000000
[ 102.896026][ T6346]
[ 102.896065][ T6346] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 102.957945][ T6338] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 102.975143][ T6346] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 103.350537][ T6368] loop0: detected capacity change from 0 to 32768
[ 103.384356][ T6370] loop3: detected capacity change from 0 to 32768
[ 103.486124][ T6376] loop1: detected capacity change from 0 to 32768
[ 103.529080][ T5944] syz-executor: attempt to access beyond end of device
[ 103.529080][ T5944] loop5: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768
[ 103.709009][ T6370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 103.710888][ T5944] Buffer I/O error on dev loop5, logical block 8589934885, lost async page write
[ 103.758993][ T6370] CPU: 0 UID: 0 PID: 6370 Comm: syz.3.65 Not tainted syzkaller #0 PREEMPT(full)
[ 103.759020][ T6370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 103.759032][ T6370] Call Trace:
[ 103.759037][ T6370]
[ 103.759043][ T6370] dump_stack_lvl+0x97/0xe0
[ 103.759070][ T6370] sysfs_warn_dup.cold+0x1c/0x28
[ 103.759101][ T6370] sysfs_create_dir_ns+0x129/0x140
[ 103.759128][ T6370] kobject_add_internal+0x104/0x310
[ 103.759159][ T6370] kobject_init_and_add+0xb2/0xf0
[ 103.759184][ T6370] ? alloc_workqueue_noprof+0xe0/0xb60
[ 103.759211][ T6370] gfs2_sys_fs_add+0xef/0x200
[ 103.759240][ T6370] gfs2_fill_super+0x896/0x1210
[ 103.759259][ T6370] ? sb_set_blocksize+0x8c/0x150
[ 103.759283][ T6370] ? setup_bdev_super+0x19d/0x330
[ 103.759303][ T6370] ? __pfx_gfs2_fill_super+0x10/0x10
[ 103.759337][ T6370] get_tree_bdev_flags+0x1c0/0x290
[ 103.759362][ T6370] gfs2_get_tree+0x26/0xd0
[ 103.759393][ T6370] vfs_get_tree+0x30/0x120
[ 103.759410][ T6370] path_mount+0x5a9/0x1350
[ 103.759441][ T6370] ? putname+0x78/0xe0
[ 103.759471][ T6370] __x64_sys_mount+0x1a3/0x1e0
[ 103.759509][ T6370] do_syscall_64+0xa4/0xf80
[ 103.759542][ T6370] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 103.759563][ T6370] RIP: 0033:0x7ff109f9c14a
[ 103.759578][ T6370] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 103.759598][ T6370] RSP: 002b:00007ff10aecde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 103.759617][ T6370] RAX: ffffffffffffffda RBX: 00007ff10aecdee0 RCX: 00007ff109f9c14a
[ 103.759630][ T6370] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ff10aecdea0
[ 103.759643][ T6370] RBP: 00002000000124c0 R08: 00007ff10aecdee0 R09: 0000000000000000
[ 103.759656][ T6370] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 103.759668][ T6370] R13: 00007ff10aecdea0 R14: 0000000000012588 R15: 0000200000000000
[ 103.759683][ T6370]
[ 103.759694][ T6370] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 103.773146][ T5944] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[ 103.780614][ T6368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 103.788269][ T5944] CPU: 1 UID: 0 PID: 5944 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 103.788296][ T5944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 103.788307][ T5944] Call Trace:
[ 103.788313][ T5944]
[ 103.788320][ T5944] dump_stack_lvl+0x97/0xe0
[ 103.788348][ T5944] gfs2_withdraw.cold+0xa/0x77
[ 103.788368][ T5944] gfs2_io_error_bh_i.cold+0x2d/0x32
[ 103.788388][ T5944] gfs2_ail1_flush+0x497/0x7e0
[ 103.788425][ T5944] gfs2_ail1_start+0x4f/0x80
[ 103.788462][ T5944] gfs2_log_flush+0xf9a/0x1170
[ 103.788483][ T5944] gfs2_kill_sb+0x3e/0x1e0
[ 103.788514][ T5944] deactivate_locked_super+0x4f/0x120
[ 103.788540][ T5944] deactivate_super+0xa4/0xc0
[ 103.788562][ T5944] cleanup_mnt+0x145/0x1f0
[ 103.788586][ T5944] task_work_run+0x95/0xf0
[ 103.788616][ T5944] exit_to_user_mode_loop+0xcf/0x440
[ 103.788643][ T5944] do_syscall_64+0x2b8/0xf80
[ 103.788676][ T5944] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 103.788697][ T5944] RIP: 0033:0x7fbd7ab9c117
[ 103.788712][ T5944] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 103.788748][ T5944] RSP: 002b:00007ffd9d496418 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 103.788767][ T5944] RAX: 0000000000000000 RBX: 00007fbd7ac0471f RCX: 00007fbd7ab9c117
[ 103.788786][ T5944] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd9d4964d0
[ 103.788798][ T5944] RBP: 00007ffd9d4964d0 R08: 00007ffd9d4974d0 R09: 00000000ffffffff
[ 103.788811][ T5944] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd9d497560
[ 103.788824][ T5944] R13: 00007fbd7ac0471f R14: 00000000000193a3 R15: 00007ffd9d4975a0
[ 103.788839][ T5944]
[ 103.788846][ T5944] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 103.797619][ T6370] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 103.807548][ T6368] CPU: 1 UID: 0 PID: 6368 Comm: syz.0.64 Not tainted syzkaller #0 PREEMPT(full)
[ 103.807574][ T6368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 103.807586][ T6368] Call Trace:
[ 103.807591][ T6368]
[ 103.807598][ T6368] dump_stack_lvl+0x97/0xe0
[ 103.807622][ T6368] sysfs_warn_dup.cold+0x1c/0x28
[ 103.807667][ T6368] sysfs_create_dir_ns+0x129/0x140
[ 103.807693][ T6368] kobject_add_internal+0x104/0x310
[ 103.807718][ T6368] kobject_init_and_add+0xb2/0xf0
[ 103.807742][ T6368] ? alloc_workqueue_noprof+0xe0/0xb60
[ 103.807775][ T6368] gfs2_sys_fs_add+0xef/0x200
[ 103.807804][ T6368] gfs2_fill_super+0x896/0x1210
[ 103.807823][ T6368] ? sb_set_blocksize+0x8c/0x150
[ 103.807847][ T6368] ? setup_bdev_super+0x19d/0x330
[ 103.807868][ T6368] ? __pfx_gfs2_fill_super+0x10/0x10
[ 103.807901][ T6368] get_tree_bdev_flags+0x1c0/0x290
[ 103.807926][ T6368] gfs2_get_tree+0x26/0xd0
[ 103.807956][ T6368] vfs_get_tree+0x30/0x120
[ 103.807974][ T6368] path_mount+0x5a9/0x1350
[ 103.808004][ T6368] ? putname+0x78/0xe0
[ 103.808033][ T6368] __x64_sys_mount+0x1a3/0x1e0
[ 103.808064][ T6368] do_syscall_64+0xa4/0xf80
[ 103.808096][ T6368] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 103.808117][ T6368] RIP: 0033:0x7fceb659c14a
[ 103.808131][ T6368] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 103.808150][ T6368] RSP: 002b:00007fceb74abe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 103.808168][ T6368] RAX: ffffffffffffffda RBX: 00007fceb74abee0 RCX: 00007fceb659c14a
[ 103.808181][ T6368] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fceb74abea0
[ 103.808194][ T6368] RBP: 00002000000124c0 R08: 00007fceb74abee0 R09: 0000000000000000
[ 103.808206][ T6368] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 103.808218][ T6368] R13: 00007fceb74abea0 R14: 0000000000012588 R15: 0000200000000000
[ 103.808234][ T6368]
[ 103.808245][ T6368] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 103.858778][ T6375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 103.864083][ T6368] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 103.869592][ T6375] CPU: 0 UID: 0 PID: 6375 Comm: syz.6.66 Not tainted syzkaller #0 PREEMPT(full)
[ 103.869617][ T6375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 103.869629][ T6375] Call Trace:
[ 103.869634][ T6375]
[ 103.869641][ T6375] dump_stack_lvl+0x97/0xe0
[ 103.869670][ T6375] sysfs_warn_dup.cold+0x1c/0x28
[ 103.869701][ T6375] sysfs_create_dir_ns+0x129/0x140
[ 103.869727][ T6375] kobject_add_internal+0x104/0x310
[ 103.869753][ T6375] kobject_init_and_add+0xb2/0xf0
[ 103.869778][ T6375] ? alloc_workqueue_noprof+0xe0/0xb60
[ 103.869804][ T6375] gfs2_sys_fs_add+0xef/0x200
[ 103.869833][ T6375] gfs2_fill_super+0x896/0x1210
[ 103.869852][ T6375] ? sb_set_blocksize+0x8c/0x150
[ 103.869876][ T6375] ? setup_bdev_super+0x19d/0x330
[ 103.869896][ T6375] ? __pfx_gfs2_fill_super+0x10/0x10
[ 103.869930][ T6375] get_tree_bdev_flags+0x1c0/0x290
[ 103.869956][ T6375] gfs2_get_tree+0x26/0xd0
[ 103.869986][ T6375] vfs_get_tree+0x30/0x120
[ 103.870005][ T6375] path_mount+0x5a9/0x1350
[ 103.870035][ T6375] ? putname+0x78/0xe0
[ 103.870065][ T6375] __x64_sys_mount+0x1a3/0x1e0
[ 103.870096][ T6375] do_syscall_64+0xa4/0xf80
[ 103.870128][ T6375] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 103.870148][ T6375] RIP: 0033:0x7f2fb899c14a
[ 103.870164][ T6375] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 103.870183][ T6375] RSP: 002b:00007f2fb97f5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 103.870202][ T6375] RAX: ffffffffffffffda RBX: 00007f2fb97f5ee0 RCX: 00007f2fb899c14a
[ 103.870216][ T6375] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f2fb97f5ea0
[ 103.870229][ T6375] RBP: 00002000000124c0 R08: 00007f2fb97f5ee0 R09: 0000000000000000
[ 103.870241][ T6375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 103.870253][ T6375] R13: 00007f2fb97f5ea0 R14: 0000000000012588 R15: 0000200000000000
[ 103.870269][ T6375]
[ 103.870278][ T6375] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 103.899030][ T6373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 103.901565][ T6375] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 103.911573][ T6373] CPU: 1 UID: 0 PID: 6373 Comm: syz.2.68 Not tainted syzkaller #0 PREEMPT(full)
[ 103.911598][ T6373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 103.911610][ T6373] Call Trace:
[ 103.911616][ T6373]
[ 103.911622][ T6373] dump_stack_lvl+0x97/0xe0
[ 103.911649][ T6373] sysfs_warn_dup.cold+0x1c/0x28
[ 103.911680][ T6373] sysfs_create_dir_ns+0x129/0x140
[ 103.911706][ T6373] kobject_add_internal+0x104/0x310
[ 103.911731][ T6373] kobject_init_and_add+0xb2/0xf0
[ 103.911755][ T6373] ? alloc_workqueue_noprof+0xe0/0xb60
[ 103.911790][ T6373] gfs2_sys_fs_add+0xef/0x200
[ 103.911819][ T6373] gfs2_fill_super+0x896/0x1210
[ 103.911838][ T6373] ? sb_set_blocksize+0x8c/0x150
[ 103.911861][ T6373] ? setup_bdev_super+0x19d/0x330
[ 103.911882][ T6373] ? __pfx_gfs2_fill_super+0x10/0x10
[ 103.911915][ T6373] get_tree_bdev_flags+0x1c0/0x290
[ 103.911940][ T6373] gfs2_get_tree+0x26/0xd0
[ 103.911971][ T6373] vfs_get_tree+0x30/0x120
[ 103.911990][ T6373] path_mount+0x5a9/0x1350
[ 103.912020][ T6373] ? putname+0x78/0xe0
[ 103.912050][ T6373] __x64_sys_mount+0x1a3/0x1e0
[ 103.912081][ T6373] do_syscall_64+0xa4/0xf80
[ 103.912113][ T6373] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 103.912134][ T6373] RIP: 0033:0x7f0c14b9c14a
[ 103.912149][ T6373] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 103.912169][ T6373] RSP: 002b:00007f0c15ac6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 103.912187][ T6373] RAX: ffffffffffffffda RBX: 00007f0c15ac6ee0 RCX: 00007f0c14b9c14a
[ 103.912200][ T6373] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f0c15ac6ea0
[ 103.912213][ T6373] RBP: 00002000000124c0 R08: 00007f0c15ac6ee0 R09: 0000000000000000
[ 103.912225][ T6373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 103.912238][ T6373] R13: 00007f0c15ac6ea0 R14: 0000000000012588 R15: 0000200000000000
[ 103.912253][ T6373]
[ 103.912262][ T6373] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 103.946057][ T6376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 103.949203][ T6373] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 104.004984][ T6376] CPU: 0 UID: 0 PID: 6376 Comm: syz.1.67 Not tainted syzkaller #0 PREEMPT(full)
[ 104.005012][ T6376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 104.005023][ T6376] Call Trace:
[ 104.005029][ T6376]
[ 104.005034][ T6376] dump_stack_lvl+0x97/0xe0
[ 104.005061][ T6376] sysfs_warn_dup.cold+0x1c/0x28
[ 104.005092][ T6376] sysfs_create_dir_ns+0x129/0x140
[ 104.005118][ T6376] kobject_add_internal+0x104/0x310
[ 104.005142][ T6376] kobject_init_and_add+0xb2/0xf0
[ 104.005167][ T6376] ? alloc_workqueue_noprof+0xe0/0xb60
[ 104.005194][ T6376] gfs2_sys_fs_add+0xef/0x200
[ 104.005223][ T6376] gfs2_fill_super+0x896/0x1210
[ 104.005242][ T6376] ? sb_set_blocksize+0x8c/0x150
[ 104.005265][ T6376] ? setup_bdev_super+0x19d/0x330
[ 104.005285][ T6376] ? __pfx_gfs2_fill_super+0x10/0x10
[ 104.005319][ T6376] get_tree_bdev_flags+0x1c0/0x290
[ 104.005344][ T6376] gfs2_get_tree+0x26/0xd0
[ 104.005374][ T6376] vfs_get_tree+0x30/0x120
[ 104.005392][ T6376] path_mount+0x5a9/0x1350
[ 104.005422][ T6376] ? putname+0x78/0xe0
[ 104.005451][ T6376] __x64_sys_mount+0x1a3/0x1e0
[ 104.005482][ T6376] do_syscall_64+0xa4/0xf80
[ 104.005521][ T6376] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.005542][ T6376] RIP: 0033:0x7f01a659c14a
[ 104.005557][ T6376] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 104.005577][ T6376] RSP: 002b:00007f01a742ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 104.005596][ T6376] RAX: ffffffffffffffda RBX: 00007f01a742cee0 RCX: 00007f01a659c14a
[ 104.005609][ T6376] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f01a742cea0
[ 104.005621][ T6376] RBP: 00002000000124c0 R08: 00007f01a742cee0 R09: 0000000000000000
[ 104.005634][ T6376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 104.005646][ T6376] R13: 00007f01a742cea0 R14: 0000000000012588 R15: 0000200000000000
[ 104.005661][ T6376]
[ 104.005669][ T6376] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 104.298990][ T6389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 104.303682][ T6376] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 104.307474][ T6389] CPU: 1 UID: 0 PID: 6389 Comm: syz.4.70 Not tainted syzkaller #0 PREEMPT(full)
[ 104.307500][ T6389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 104.307511][ T6389] Call Trace:
[ 104.307517][ T6389]
[ 104.307531][ T6389] dump_stack_lvl+0x97/0xe0
[ 104.307558][ T6389] sysfs_warn_dup.cold+0x1c/0x28
[ 104.307590][ T6389] sysfs_create_dir_ns+0x129/0x140
[ 104.307617][ T6389] kobject_add_internal+0x104/0x310
[ 104.307641][ T6389] kobject_init_and_add+0xb2/0xf0
[ 104.307666][ T6389] ? alloc_workqueue_noprof+0xe0/0xb60
[ 104.307694][ T6389] gfs2_sys_fs_add+0xef/0x200
[ 104.307723][ T6389] gfs2_fill_super+0x896/0x1210
[ 104.307742][ T6389] ? sb_set_blocksize+0x8c/0x150
[ 104.307766][ T6389] ? setup_bdev_super+0x19d/0x330
[ 104.307787][ T6389] ? __pfx_gfs2_fill_super+0x10/0x10
[ 104.307821][ T6389] get_tree_bdev_flags+0x1c0/0x290
[ 104.307846][ T6389] gfs2_get_tree+0x26/0xd0
[ 104.307877][ T6389] vfs_get_tree+0x30/0x120
[ 104.307895][ T6389] path_mount+0x5a9/0x1350
[ 104.307926][ T6389] ? putname+0x78/0xe0
[ 104.307956][ T6389] __x64_sys_mount+0x1a3/0x1e0
[ 104.307987][ T6389] do_syscall_64+0xa4/0xf80
[ 104.308019][ T6389] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.308040][ T6389] RIP: 0033:0x7f8b2719c14a
[ 104.308055][ T6389] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 104.308075][ T6389] RSP: 002b:00007f8b28125e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 104.308093][ T6389] RAX: ffffffffffffffda RBX: 00007f8b28125ee0 RCX: 00007f8b2719c14a
[ 104.308106][ T6389] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8b28125ea0
[ 104.308119][ T6389] RBP: 00002000000124c0 R08: 00007f8b28125ee0 R09: 0000000000000000
[ 104.308131][ T6389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 104.308143][ T6389] R13: 00007f8b28125ea0 R14: 0000000000012588 R15: 0000200000000000
[ 104.308159][ T6389]
[ 104.308167][ T6389] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 105.302397][ T6389] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 108.900501][ T5844] gfs2: fsid=syz:syz.0: file system withdrawn
[ 108.996298][ T6393] set_capacity_and_notify: 3 callbacks suppressed
[ 108.996310][ T6393] loop5: detected capacity change from 0 to 32768
[ 109.018570][ T6393] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 109.027076][ T6393] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 109.036370][ T6393] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[ 109.045101][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 109.052154][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 109.062809][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 10ms
[ 109.070286][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 109.075498][ T6393] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 109.102897][ T6393] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 109.111895][ T5944] syz-executor: attempt to access beyond end of device
[ 109.111895][ T5944] loop5: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768
[ 109.126994][ T5944] Buffer I/O error on dev loop5, logical block 8589934885, lost async page write
[ 109.136460][ T5944] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[ 109.150010][ T5944] CPU: 0 UID: 0 PID: 5944 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 109.150031][ T5944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 109.150041][ T5944] Call Trace:
[ 109.150045][ T5944]
[ 109.150050][ T5944] dump_stack_lvl+0x97/0xe0
[ 109.150071][ T5944] gfs2_withdraw.cold+0xa/0x77
[ 109.150086][ T5944] gfs2_io_error_bh_i.cold+0x2d/0x32
[ 109.150101][ T5944] gfs2_ail1_flush+0x497/0x7e0
[ 109.150130][ T5944] gfs2_ail1_start+0x4f/0x80
[ 109.150159][ T5944] gfs2_log_flush+0xf9a/0x1170
[ 109.150175][ T5944] gfs2_kill_sb+0x3e/0x1e0
[ 109.150199][ T5944] deactivate_locked_super+0x4f/0x120
[ 109.150218][ T5944] deactivate_super+0xa4/0xc0
[ 109.150235][ T5944] cleanup_mnt+0x145/0x1f0
[ 109.150253][ T5944] task_work_run+0x95/0xf0
[ 109.150277][ T5944] exit_to_user_mode_loop+0xcf/0x440
[ 109.150297][ T5944] do_syscall_64+0x2b8/0xf80
[ 109.150323][ T5944] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.150339][ T5944] RIP: 0033:0x7fbd7ab9c117
[ 109.150351][ T5944] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 109.150366][ T5944] RSP: 002b:00007ffd9d496418 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 109.150381][ T5944] RAX: 0000000000000000 RBX: 00007fbd7ac0471f RCX: 00007fbd7ab9c117
[ 109.150390][ T5944] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd9d4964d0
[ 109.150400][ T5944] RBP: 00007ffd9d4964d0 R08: 00007ffd9d4974d0 R09: 00000000ffffffff
[ 109.150409][ T5944] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd9d497560
[ 109.150418][ T5944] R13: 00007fbd7ac0471f R14: 000000000001a96c R15: 00007ffd9d4975a0
[ 109.150430][ T5944]
[ 109.150435][ T5944] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 114.340451][ T9] gfs2: fsid=syz:syz.0: file system withdrawn
2026/01/29 10:25:46 executed programs: 68
[ 116.935424][ T6411] loop4: detected capacity change from 0 to 32768
[ 116.955468][ T6401] loop1: detected capacity change from 0 to 32768
[ 116.975300][ T6408] loop0: detected capacity change from 0 to 32768
[ 117.011832][ T6407] loop3: detected capacity change from 0 to 32768
[ 117.012909][ T6411] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 117.026605][ T6401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 117.034630][ T6401] CPU: 0 UID: 0 PID: 6401 Comm: syz.1.72 Not tainted syzkaller #0 PREEMPT(full)
[ 117.034659][ T6401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 117.034672][ T6401] Call Trace:
[ 117.034678][ T6401]
[ 117.034684][ T6401] dump_stack_lvl+0x97/0xe0
[ 117.034714][ T6401] sysfs_warn_dup.cold+0x1c/0x28
[ 117.034748][ T6401] sysfs_create_dir_ns+0x129/0x140
[ 117.034777][ T6401] kobject_add_internal+0x104/0x310
[ 117.034804][ T6401] kobject_init_and_add+0xb2/0xf0
[ 117.034832][ T6401] ? alloc_workqueue_noprof+0xe0/0xb60
[ 117.034861][ T6401] gfs2_sys_fs_add+0xef/0x200
[ 117.034893][ T6401] gfs2_fill_super+0x896/0x1210
[ 117.034914][ T6401] ? sb_set_blocksize+0x8c/0x150
[ 117.034940][ T6401] ? setup_bdev_super+0x19d/0x330
[ 117.034963][ T6401] ? __pfx_gfs2_fill_super+0x10/0x10
[ 117.035000][ T6401] get_tree_bdev_flags+0x1c0/0x290
[ 117.035028][ T6401] gfs2_get_tree+0x26/0xd0
[ 117.035061][ T6401] vfs_get_tree+0x30/0x120
[ 117.035081][ T6401] path_mount+0x5a9/0x1350
[ 117.035114][ T6401] ? putname+0x78/0xe0
[ 117.035146][ T6401] __x64_sys_mount+0x1a3/0x1e0
[ 117.035179][ T6401] do_syscall_64+0xa4/0xf80
[ 117.035214][ T6401] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 117.035236][ T6401] RIP: 0033:0x7f01a659c14a
[ 117.035252][ T6401] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 117.035274][ T6401] RSP: 002b:00007f01a742ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 117.035295][ T6401] RAX: ffffffffffffffda RBX: 00007f01a742cee0 RCX: 00007f01a659c14a
[ 117.035310][ T6401] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f01a742cea0
[ 117.035324][ T6401] RBP: 00002000000124c0 R08: 00007f01a742cee0 R09: 0000000000000000
[ 117.035337][ T6401] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 117.035350][ T6401] R13: 00007f01a742cea0 R14: 0000000000012588 R15: 0000200000000000
[ 117.035367][ T6401]
[ 117.035377][ T6401] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 117.056046][ T6405] loop6: detected capacity change from 0 to 32768
[ 117.099994][ T6412] loop5: detected capacity change from 0 to 32768
[ 117.101543][ T6401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 117.146379][ T6406] loop2: detected capacity change from 0 to 32768
[ 117.149317][ T6411] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 117.277777][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 117.285231][ T6408] CPU: 1 UID: 0 PID: 6408 Comm: syz.0.71 Not tainted syzkaller #0 PREEMPT(full)
[ 117.285257][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 117.285270][ T6408] Call Trace:
[ 117.285275][ T6408]
[ 117.285281][ T6408] dump_stack_lvl+0x97/0xe0
[ 117.285309][ T6408] sysfs_warn_dup.cold+0x1c/0x28
[ 117.285341][ T6408] sysfs_create_dir_ns+0x129/0x140
[ 117.285369][ T6408] kobject_add_internal+0x104/0x310
[ 117.285392][ T6408] kobject_init_and_add+0xb2/0xf0
[ 117.285411][ T6408] ? alloc_workqueue_noprof+0xe0/0xb60
[ 117.285434][ T6408] gfs2_sys_fs_add+0xef/0x200
[ 117.285457][ T6408] gfs2_fill_super+0x896/0x1210
[ 117.285471][ T6408] ? sb_set_blocksize+0x8c/0x150
[ 117.285489][ T6408] ? setup_bdev_super+0x19d/0x330
[ 117.285505][ T6408] ? __pfx_gfs2_fill_super+0x10/0x10
[ 117.285531][ T6408] get_tree_bdev_flags+0x1c0/0x290
[ 117.285551][ T6408] gfs2_get_tree+0x26/0xd0
[ 117.285575][ T6408] vfs_get_tree+0x30/0x120
[ 117.285588][ T6408] path_mount+0x5a9/0x1350
[ 117.285612][ T6408] ? putname+0x78/0xe0
[ 117.285635][ T6408] __x64_sys_mount+0x1a3/0x1e0
[ 117.285659][ T6408] do_syscall_64+0xa4/0xf80
[ 117.285691][ T6408] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 117.285709][ T6408] RIP: 0033:0x7fceb659c14a
[ 117.285725][ T6408] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 117.285745][ T6408] RSP: 002b:00007fceb74abe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 117.285764][ T6408] RAX: ffffffffffffffda RBX: 00007fceb74abee0 RCX: 00007fceb659c14a
[ 117.285778][ T6408] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fceb74abea0
[ 117.285791][ T6408] RBP: 00002000000124c0 R08: 00007fceb74abee0 R09: 0000000000000000
[ 117.285804][ T6408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 117.285815][ T6408] R13: 00007fceb74abea0 R14: 0000000000012588 R15: 0000200000000000
[ 117.285827][ T6408]
[ 117.285835][ T6408] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 117.291611][ T6411] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[ 117.295172][ T6408] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 117.325798][ T6074] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 117.325914][ T6407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 117.331303][ T6074] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 117.336277][ T6407] CPU: 1 UID: 0 PID: 6407 Comm: syz.3.74 Not tainted syzkaller #0 PREEMPT(full)
[ 117.336304][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 117.336317][ T6407] Call Trace:
[ 117.336322][ T6407]
[ 117.336329][ T6407] dump_stack_lvl+0x97/0xe0
[ 117.336357][ T6407] sysfs_warn_dup.cold+0x1c/0x28
[ 117.336388][ T6407] sysfs_create_dir_ns+0x129/0x140
[ 117.336414][ T6407] kobject_add_internal+0x104/0x310
[ 117.336439][ T6407] kobject_init_and_add+0xb2/0xf0
[ 117.336463][ T6407] ? alloc_workqueue_noprof+0xe0/0xb60
[ 117.336489][ T6407] gfs2_sys_fs_add+0xef/0x200
[ 117.336525][ T6407] gfs2_fill_super+0x896/0x1210
[ 117.336544][ T6407] ? sb_set_blocksize+0x8c/0x150
[ 117.336568][ T6407] ? setup_bdev_super+0x19d/0x330
[ 117.336589][ T6407] ? __pfx_gfs2_fill_super+0x10/0x10
[ 117.336622][ T6407] get_tree_bdev_flags+0x1c0/0x290
[ 117.336648][ T6407] gfs2_get_tree+0x26/0xd0
[ 117.336678][ T6407] vfs_get_tree+0x30/0x120
[ 117.336696][ T6407] path_mount+0x5a9/0x1350
[ 117.336727][ T6407] ? putname+0x78/0xe0
[ 117.336757][ T6407] __x64_sys_mount+0x1a3/0x1e0
[ 117.336788][ T6407] do_syscall_64+0xa4/0xf80
[ 117.336820][ T6407] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 117.336841][ T6407] RIP: 0033:0x7ff109f9c14a
[ 117.336856][ T6407] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 117.336876][ T6407] RSP: 002b:00007ff10aecde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 117.336895][ T6407] RAX: ffffffffffffffda RBX: 00007ff10aecdee0 RCX: 00007ff109f9c14a
[ 117.336909][ T6407] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ff10aecdea0
[ 117.336921][ T6407] RBP: 00002000000124c0 R08: 00007ff10aecdee0 R09: 0000000000000000
[ 117.336934][ T6407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 117.336946][ T6407] R13: 00007ff10aecdea0 R14: 0000000000012588 R15: 0000200000000000
[ 117.336962][ T6407]
[ 117.336970][ T6407] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 117.353600][ T6074] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 22ms
[ 117.357297][ T6407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 117.364715][ T6074] gfs2: fsid=syz:syz.0: jid=0: Done
[ 117.372812][ T6405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 117.377531][ T6411] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 117.381932][ T6405] CPU: 1 UID: 0 PID: 6405 Comm: syz.6.77 Not tainted syzkaller #0 PREEMPT(full)
[ 117.381957][ T6405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 117.381969][ T6405] Call Trace:
[ 117.381974][ T6405]
[ 117.381980][ T6405] dump_stack_lvl+0x97/0xe0
[ 117.382006][ T6405] sysfs_warn_dup.cold+0x1c/0x28
[ 117.382037][ T6405] sysfs_create_dir_ns+0x129/0x140
[ 117.382063][ T6405] kobject_add_internal+0x104/0x310
[ 117.382088][ T6405] kobject_init_and_add+0xb2/0xf0
[ 117.382112][ T6405] ? alloc_workqueue_noprof+0xe0/0xb60
[ 117.382138][ T6405] gfs2_sys_fs_add+0xef/0x200
[ 117.382167][ T6405] gfs2_fill_super+0x896/0x1210
[ 117.382186][ T6405] ? sb_set_blocksize+0x8c/0x150
[ 117.382209][ T6405] ? setup_bdev_super+0x19d/0x330
[ 117.382230][ T6405] ? __pfx_gfs2_fill_super+0x10/0x10
[ 117.382264][ T6405] get_tree_bdev_flags+0x1c0/0x290
[ 117.382289][ T6405] gfs2_get_tree+0x26/0xd0
[ 117.382320][ T6405] vfs_get_tree+0x30/0x120
[ 117.382338][ T6405] path_mount+0x5a9/0x1350
[ 117.382368][ T6405] ? putname+0x78/0xe0
[ 117.382397][ T6405] __x64_sys_mount+0x1a3/0x1e0
[ 117.382428][ T6405] do_syscall_64+0xa4/0xf80
[ 117.382460][ T6405] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 117.382480][ T6405] RIP: 0033:0x7f2fb899c14a
[ 117.382495][ T6405] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 117.382522][ T6405] RSP: 002b:00007f2fb97f5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 117.382541][ T6405] RAX: ffffffffffffffda RBX: 00007f2fb97f5ee0 RCX: 00007f2fb899c14a
[ 117.382554][ T6405] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f2fb97f5ea0
[ 117.382566][ T6405] RBP: 00002000000124c0 R08: 00007f2fb97f5ee0 R09: 0000000000000000
[ 117.382579][ T6405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 117.382591][ T6405] R13: 00007f2fb97f5ea0 R14: 0000000000012588 R15: 0000200000000000
[ 117.382606][ T6405]
[ 117.382615][ T6405] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 117.386748][ T6406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 117.391453][ T6405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 117.416548][ T6412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 117.476644][ T6412] CPU: 0 UID: 0 PID: 6412 Comm: syz.5.76 Not tainted syzkaller #0 PREEMPT(full)
[ 117.476672][ T6412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 117.476683][ T6412] Call Trace:
[ 117.476689][ T6412]
[ 117.476695][ T6412] dump_stack_lvl+0x97/0xe0
[ 117.476720][ T6412] sysfs_warn_dup.cold+0x1c/0x28
[ 117.476759][ T6412] sysfs_create_dir_ns+0x129/0x140
[ 117.476785][ T6412] kobject_add_internal+0x104/0x310
[ 117.476810][ T6412] kobject_init_and_add+0xb2/0xf0
[ 117.476836][ T6412] ? alloc_workqueue_noprof+0xe0/0xb60
[ 117.476863][ T6412] gfs2_sys_fs_add+0xef/0x200
[ 117.476892][ T6412] gfs2_fill_super+0x896/0x1210
[ 117.476911][ T6412] ? sb_set_blocksize+0x8c/0x150
[ 117.476935][ T6412] ? setup_bdev_super+0x19d/0x330
[ 117.476955][ T6412] ? __pfx_gfs2_fill_super+0x10/0x10
[ 117.476988][ T6412] get_tree_bdev_flags+0x1c0/0x290
[ 117.477014][ T6412] gfs2_get_tree+0x26/0xd0
[ 117.477045][ T6412] vfs_get_tree+0x30/0x120
[ 117.477062][ T6412] path_mount+0x5a9/0x1350
[ 117.477093][ T6412] ? putname+0x78/0xe0
[ 117.477122][ T6412] __x64_sys_mount+0x1a3/0x1e0
[ 117.477152][ T6412] do_syscall_64+0xa4/0xf80
[ 117.477185][ T6412] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 117.477205][ T6412] RIP: 0033:0x7fbd7ab9c14a
[ 117.477220][ T6412] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 117.477240][ T6412] RSP: 002b:00007fbd7bb29e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 117.477259][ T6412] RAX: ffffffffffffffda RBX: 00007fbd7bb29ee0 RCX: 00007fbd7ab9c14a
[ 117.477272][ T6412] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbd7bb29ea0
[ 117.477284][ T6412] RBP: 00002000000124c0 R08: 00007fbd7bb29ee0 R09: 0000000000000000
[ 117.477296][ T6412] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 117.477308][ T6412] R13: 00007fbd7bb29ea0 R14: 0000000000012588 R15: 0000200000000000
[ 117.477324][ T6412]
[ 117.477332][ T6412] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 117.496528][ T6406] CPU: 1 UID: 0 PID: 6406 Comm: syz.2.73 Not tainted syzkaller #0 PREEMPT(full)
[ 117.496554][ T6406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 117.496566][ T6406] Call Trace:
[ 117.496571][ T6406]
[ 117.496577][ T6406] dump_stack_lvl+0x97/0xe0
[ 117.496603][ T6406] sysfs_warn_dup.cold+0x1c/0x28
[ 117.496634][ T6406] sysfs_create_dir_ns+0x129/0x140
[ 117.496660][ T6406] kobject_add_internal+0x104/0x310
[ 117.496685][ T6406] kobject_init_and_add+0xb2/0xf0
[ 117.496710][ T6406] ? alloc_workqueue_noprof+0xe0/0xb60
[ 117.496737][ T6406] gfs2_sys_fs_add+0xef/0x200
[ 117.496766][ T6406] gfs2_fill_super+0x896/0x1210
[ 117.496785][ T6406] ? sb_set_blocksize+0x8c/0x150
[ 117.496809][ T6406] ? setup_bdev_super+0x19d/0x330
[ 117.496829][ T6406] ? __pfx_gfs2_fill_super+0x10/0x10
[ 117.496863][ T6406] get_tree_bdev_flags+0x1c0/0x290
[ 117.496888][ T6406] gfs2_get_tree+0x26/0xd0
[ 117.496918][ T6406] vfs_get_tree+0x30/0x120
[ 117.496936][ T6406] path_mount+0x5a9/0x1350
[ 117.496966][ T6406] ? putname+0x78/0xe0
[ 117.496995][ T6406] __x64_sys_mount+0x1a3/0x1e0
[ 117.497026][ T6406] do_syscall_64+0xa4/0xf80
[ 117.497058][ T6406] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 117.497078][ T6406] RIP: 0033:0x7f0c14b9c14a
[ 117.497092][ T6406] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 117.497112][ T6406] RSP: 002b:00007f0c15ac6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 117.497131][ T6406] RAX: ffffffffffffffda RBX: 00007f0c15ac6ee0 RCX: 00007f0c14b9c14a
[ 117.497144][ T6406] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f0c15ac6ea0
[ 117.497156][ T6406] RBP: 00002000000124c0 R08: 00007f0c15ac6ee0 R09: 0000000000000000
[ 117.497169][ T6406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 117.497181][ T6406] R13: 00007f0c15ac6ea0 R14: 0000000000012588 R15: 0000200000000000
[ 117.497196][ T6406]
[ 117.497206][ T6406] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 117.513407][ T54] gfs2: fsid=syz:syz.0: fatal: assertion "!atomic_read(&gl->gl_ail_count)" failed - function = inode_go_inval, file = fs/gfs2/glops.c, line = 362
[ 117.542917][ T6412] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 117.561795][ T54] CPU: 0 UID: 0 PID: 54 Comm: kworker/0:1H Not tainted syzkaller #0 PREEMPT(full)
[ 117.561822][ T54] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 117.561835][ T54] Workqueue: gfs2-glock/syz:syz glock_work_func
[ 117.561868][ T54] Call Trace:
[ 117.561873][ T54]
[ 117.561879][ T54] dump_stack_lvl+0x97/0xe0
[ 117.561902][ T54] gfs2_withdraw.cold+0xa/0x77
[ 117.561921][ T54] gfs2_assert_withdraw_i.cold+0x2c/0x36
[ 117.561941][ T54] ? __pfx_inode_go_inval+0x10/0x10
[ 117.561971][ T54] inode_go_inval+0x1df/0x1f0
[ 117.562002][ T54] do_xmote+0x119/0x2d0
[ 117.562030][ T54] run_queue+0x28b/0x310
[ 117.562057][ T54] glock_work_func+0xac/0x280
[ 117.562084][ T54] ? pwq_dec_nr_in_flight+0x85/0x570
[ 117.562117][ T54] process_one_work+0x26c/0x590
[ 117.562149][ T54] worker_thread+0x2b1/0x4f0
[ 117.562179][ T54] ? __pfx_worker_thread+0x10/0x10
[ 117.562210][ T54] kthread+0x161/0x310
[ 117.562232][ T54] ? __pfx_kthread+0x10/0x10
[ 117.562253][ T54] ? __pfx_kthread+0x10/0x10
[ 117.562275][ T54] ret_from_fork+0x23c/0x320
[ 117.562298][ T54] ? __pfx_kthread+0x10/0x10
[ 117.562320][ T54] ret_from_fork_asm+0x1a/0x30
[ 117.562349][ T54]
[ 117.562357][ T54] CPU: 0 UID: 0 PID: 54 Comm: kworker/0:1H Not tainted syzkaller #0 PREEMPT(full)
[ 117.562379][ T54] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 117.562392][ T54] Workqueue: gfs2-glock/syz:syz glock_work_func
[ 117.562419][ T54] Call Trace:
[ 117.562424][ T54]
[ 117.562430][ T54] dump_stack_lvl+0x97/0xe0
[ 117.562452][ T54] gfs2_assert_withdraw_i.cold+0x31/0x36
[ 117.562472][ T54] ? __pfx_inode_go_inval+0x10/0x10
[ 117.562502][ T54] inode_go_inval+0x1df/0x1f0
[ 117.562533][ T54] do_xmote+0x119/0x2d0
[ 117.562559][ T54] run_queue+0x28b/0x310
[ 117.562586][ T54] glock_work_func+0xac/0x280
[ 117.562613][ T54] ? pwq_dec_nr_in_flight+0x85/0x570
[ 117.562644][ T54] process_one_work+0x26c/0x590
[ 117.562675][ T54] worker_thread+0x2b1/0x4f0
[ 117.562705][ T54] ? __pfx_worker_thread+0x10/0x10
[ 117.562742][ T54] kthread+0x161/0x310
[ 117.562770][ T54] ? __pfx_kthread+0x10/0x10
[ 117.562792][ T54] ? __pfx_kthread+0x10/0x10
[ 117.562813][ T54] ret_from_fork+0x23c/0x320
[ 117.562836][ T54] ? __pfx_kthread+0x10/0x10
[ 117.562857][ T54] ret_from_fork_asm+0x1a/0x30
[ 117.562885][ T54]
[ 117.588956][ T6411] gfs2: fsid=syz:syz.0: can't lock the freeze glock: -5
[ 117.598937][ T6406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 117.993691][ T6436] loop1: detected capacity change from 0 to 32768
[ 118.140722][ T6433] loop6: detected capacity change from 0 to 32768
[ 118.204291][ T6436] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 118.389541][ T6445] loop3: detected capacity change from 0 to 32768
[ 118.483640][ T6433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 118.488923][ T6436] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 118.543000][ T6433] CPU: 0 UID: 0 PID: 6433 Comm: syz.6.78 Not tainted syzkaller #0 PREEMPT(full)
[ 118.543027][ T6433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 118.543039][ T6433] Call Trace:
[ 118.543044][ T6433]
[ 118.543050][ T6433] dump_stack_lvl+0x97/0xe0
[ 118.543077][ T6433] sysfs_warn_dup.cold+0x1c/0x28
[ 118.543107][ T6433] sysfs_create_dir_ns+0x129/0x140
[ 118.543134][ T6433] kobject_add_internal+0x104/0x310
[ 118.543159][ T6433] kobject_init_and_add+0xb2/0xf0
[ 118.543184][ T6433] ? alloc_workqueue_noprof+0xe0/0xb60
[ 118.543211][ T6433] gfs2_sys_fs_add+0xef/0x200
[ 118.543240][ T6433] gfs2_fill_super+0x896/0x1210
[ 118.543259][ T6433] ? sb_set_blocksize+0x8c/0x150
[ 118.543283][ T6433] ? setup_bdev_super+0x19d/0x330
[ 118.543304][ T6433] ? __pfx_gfs2_fill_super+0x10/0x10
[ 118.543337][ T6433] get_tree_bdev_flags+0x1c0/0x290
[ 118.543363][ T6433] gfs2_get_tree+0x26/0xd0
[ 118.543394][ T6433] vfs_get_tree+0x30/0x120
[ 118.543412][ T6433] path_mount+0x5a9/0x1350
[ 118.543442][ T6433] ? putname+0x78/0xe0
[ 118.543471][ T6433] __x64_sys_mount+0x1a3/0x1e0
[ 118.543501][ T6433] do_syscall_64+0xa4/0xf80
[ 118.543533][ T6433] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 118.543553][ T6433] RIP: 0033:0x7f2fb899c14a
[ 118.543568][ T6433] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 118.543587][ T6433] RSP: 002b:00007f2fb97f5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 118.543606][ T6433] RAX: ffffffffffffffda RBX: 00007f2fb97f5ee0 RCX: 00007f2fb899c14a
[ 118.543619][ T6433] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f2fb97f5ea0
[ 118.543631][ T6433] RBP: 00002000000124c0 R08: 00007f2fb97f5ee0 R09: 0000000000000000
[ 118.543643][ T6433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 118.543655][ T6433] R13: 00007f2fb97f5ea0 R14: 0000000000012588 R15: 0000200000000000
[ 118.543670][ T6433]
[ 118.543680][ T6433] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 118.634167][ T6440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 118.644969][ T6433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 118.679002][ T6438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 118.698962][ T6440] CPU: 0 UID: 0 PID: 6440 Comm: syz.5.81 Not tainted syzkaller #0 PREEMPT(full)
[ 118.698988][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 118.698999][ T6440] Call Trace:
[ 118.699005][ T6440]
[ 118.699012][ T6440] dump_stack_lvl+0x97/0xe0
[ 118.699041][ T6440] sysfs_warn_dup.cold+0x1c/0x28
[ 118.699072][ T6440] sysfs_create_dir_ns+0x129/0x140
[ 118.699098][ T6440] kobject_add_internal+0x104/0x310
[ 118.699124][ T6440] kobject_init_and_add+0xb2/0xf0
[ 118.699149][ T6440] ? alloc_workqueue_noprof+0xe0/0xb60
[ 118.699176][ T6440] gfs2_sys_fs_add+0xef/0x200
[ 118.699205][ T6440] gfs2_fill_super+0x896/0x1210
[ 118.699224][ T6440] ? sb_set_blocksize+0x8c/0x150
[ 118.699248][ T6440] ? setup_bdev_super+0x19d/0x330
[ 118.699268][ T6440] ? __pfx_gfs2_fill_super+0x10/0x10
[ 118.699301][ T6440] get_tree_bdev_flags+0x1c0/0x290
[ 118.699327][ T6440] gfs2_get_tree+0x26/0xd0
[ 118.699357][ T6440] vfs_get_tree+0x30/0x120
[ 118.699375][ T6440] path_mount+0x5a9/0x1350
[ 118.699405][ T6440] ? putname+0x78/0xe0
[ 118.699435][ T6440] __x64_sys_mount+0x1a3/0x1e0
[ 118.699466][ T6440] do_syscall_64+0xa4/0xf80
[ 118.699498][ T6440] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 118.699519][ T6440] RIP: 0033:0x7fbd7ab9c14a
[ 118.699533][ T6440] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 118.699552][ T6440] RSP: 002b:00007fbd7bb29e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 118.699571][ T6440] RAX: ffffffffffffffda RBX: 00007fbd7bb29ee0 RCX: 00007fbd7ab9c14a
[ 118.699584][ T6440] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbd7bb29ea0
[ 118.699597][ T6440] RBP: 00002000000124c0 R08: 00007fbd7bb29ee0 R09: 0000000000000000
[ 118.699609][ T6440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 118.699621][ T6440] R13: 00007fbd7bb29ea0 R14: 0000000000012588 R15: 0000200000000000
[ 118.699637][ T6440]
[ 118.699647][ T6440] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 118.711433][ T6438] CPU: 1 UID: 0 PID: 6438 Comm: syz.0.80 Not tainted syzkaller #0 PREEMPT(full)
[ 118.711460][ T6438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 118.711472][ T6438] Call Trace:
[ 118.711477][ T6438]
[ 118.711483][ T6438] dump_stack_lvl+0x97/0xe0
[ 118.711517][ T6438] sysfs_warn_dup.cold+0x1c/0x28
[ 118.711548][ T6438] sysfs_create_dir_ns+0x129/0x140
[ 118.711575][ T6438] kobject_add_internal+0x104/0x310
[ 118.711600][ T6438] kobject_init_and_add+0xb2/0xf0
[ 118.711625][ T6438] ? alloc_workqueue_noprof+0xe0/0xb60
[ 118.711651][ T6438] gfs2_sys_fs_add+0xef/0x200
[ 118.711680][ T6438] gfs2_fill_super+0x896/0x1210
[ 118.711699][ T6438] ? sb_set_blocksize+0x8c/0x150
[ 118.711722][ T6438] ? setup_bdev_super+0x19d/0x330
[ 118.711743][ T6438] ? __pfx_gfs2_fill_super+0x10/0x10
[ 118.711776][ T6438] get_tree_bdev_flags+0x1c0/0x290
[ 118.711802][ T6438] gfs2_get_tree+0x26/0xd0
[ 118.711833][ T6438] vfs_get_tree+0x30/0x120
[ 118.711851][ T6438] path_mount+0x5a9/0x1350
[ 118.711882][ T6438] ? putname+0x78/0xe0
[ 118.711912][ T6438] __x64_sys_mount+0x1a3/0x1e0
[ 118.711943][ T6438] do_syscall_64+0xa4/0xf80
[ 118.711975][ T6438] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 118.711996][ T6438] RIP: 0033:0x7fceb659c14a
[ 118.712011][ T6438] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 118.712030][ T6438] RSP: 002b:00007fceb74abe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 118.712050][ T6438] RAX: ffffffffffffffda RBX: 00007fceb74abee0 RCX: 00007fceb659c14a
[ 118.712063][ T6438] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fceb74abea0
[ 118.712076][ T6438] RBP: 00002000000124c0 R08: 00007fceb74abee0 R09: 0000000000000000
[ 118.712088][ T6438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 118.712101][ T6438] R13: 00007fceb74abea0 R14: 0000000000012588 R15: 0000200000000000
[ 118.712116][ T6438]
[ 118.712125][ T6438] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 118.714510][ T6440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 118.723368][ T6436] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[ 118.769236][ T6438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 118.791160][ T5859] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 118.793529][ T6445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 118.808530][ T5859] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 118.808772][ T6445] CPU: 0 UID: 0 PID: 6445 Comm: syz.3.83 Not tainted syzkaller #0 PREEMPT(full)
[ 118.808798][ T6445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 118.808809][ T6445] Call Trace:
[ 118.808814][ T6445]
[ 118.808820][ T6445] dump_stack_lvl+0x97/0xe0
[ 118.808847][ T6445] sysfs_warn_dup.cold+0x1c/0x28
[ 118.808878][ T6445] sysfs_create_dir_ns+0x129/0x140
[ 118.808909][ T6445] kobject_add_internal+0x104/0x310
[ 118.808933][ T6445] kobject_init_and_add+0xb2/0xf0
[ 118.808959][ T6445] ? alloc_workqueue_noprof+0xe0/0xb60
[ 118.808985][ T6445] gfs2_sys_fs_add+0xef/0x200
[ 118.809014][ T6445] gfs2_fill_super+0x896/0x1210
[ 118.809032][ T6445] ? sb_set_blocksize+0x8c/0x150
[ 118.809056][ T6445] ? setup_bdev_super+0x19d/0x330
[ 118.809076][ T6445] ? __pfx_gfs2_fill_super+0x10/0x10
[ 118.809111][ T6445] get_tree_bdev_flags+0x1c0/0x290
[ 118.809136][ T6445] gfs2_get_tree+0x26/0xd0
[ 118.809166][ T6445] vfs_get_tree+0x30/0x120
[ 118.809185][ T6445] path_mount+0x5a9/0x1350
[ 118.809215][ T6445] ? putname+0x78/0xe0
[ 118.809245][ T6445] __x64_sys_mount+0x1a3/0x1e0
[ 118.809276][ T6445] do_syscall_64+0xa4/0xf80
[ 118.809309][ T6445] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 118.809329][ T6445] RIP: 0033:0x7ff109f9c14a
[ 118.809344][ T6445] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 118.809364][ T6445] RSP: 002b:00007ff10aecde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 118.809382][ T6445] RAX: ffffffffffffffda RBX: 00007ff10aecdee0 RCX: 00007ff109f9c14a
[ 118.809395][ T6445] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ff10aecdea0
[ 118.809407][ T6445] RBP: 00002000000124c0 R08: 00007ff10aecdee0 R09: 0000000000000000
[ 118.809420][ T6445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 118.809432][ T6445] R13: 00007ff10aecdea0 R14: 0000000000012588 R15: 0000200000000000
[ 118.809447][ T6445]
[ 118.809485][ T6445] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 118.814814][ T6443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 118.834700][ T6445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 118.844519][ T5859] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 35ms
[ 118.859010][ T6443] CPU: 0 UID: 0 PID: 6443 Comm: syz.4.82 Not tainted syzkaller #0 PREEMPT(full)
[ 118.859037][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 118.859049][ T6443] Call Trace:
[ 118.859056][ T6443]
[ 118.859063][ T6443] dump_stack_lvl+0x97/0xe0
[ 118.859089][ T6443] sysfs_warn_dup.cold+0x1c/0x28
[ 118.859120][ T6443] sysfs_create_dir_ns+0x129/0x140
[ 118.859146][ T6443] kobject_add_internal+0x104/0x310
[ 118.859171][ T6443] kobject_init_and_add+0xb2/0xf0
[ 118.859196][ T6443] ? alloc_workqueue_noprof+0xe0/0xb60
[ 118.859223][ T6443] gfs2_sys_fs_add+0xef/0x200
[ 118.859252][ T6443] gfs2_fill_super+0x896/0x1210
[ 118.859270][ T6443] ? sb_set_blocksize+0x8c/0x150
[ 118.859294][ T6443] ? setup_bdev_super+0x19d/0x330
[ 118.859314][ T6443] ? __pfx_gfs2_fill_super+0x10/0x10
[ 118.859348][ T6443] get_tree_bdev_flags+0x1c0/0x290
[ 118.859374][ T6443] gfs2_get_tree+0x26/0xd0
[ 118.859404][ T6443] vfs_get_tree+0x30/0x120
[ 118.859422][ T6443] path_mount+0x5a9/0x1350
[ 118.859453][ T6443] ? putname+0x78/0xe0
[ 118.859482][ T6443] __x64_sys_mount+0x1a3/0x1e0
[ 118.859513][ T6443] do_syscall_64+0xa4/0xf80
[ 118.859545][ T6443] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 118.859566][ T6443] RIP: 0033:0x7f8b2719c14a
[ 118.859581][ T6443] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 118.859601][ T6443] RSP: 002b:00007f8b28125e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 118.859620][ T6443] RAX: ffffffffffffffda RBX: 00007f8b28125ee0 RCX: 00007f8b2719c14a
[ 118.859633][ T6443] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8b28125ea0
[ 118.859646][ T6443] RBP: 00002000000124c0 R08: 00007f8b28125ee0 R09: 0000000000000000
[ 118.859658][ T6443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 118.859670][ T6443] R13: 00007f8b28125ea0 R14: 0000000000012588 R15: 0000200000000000
[ 118.859694][ T6443]
[ 118.859705][ T6443] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 118.862208][ T5859] gfs2: fsid=syz:syz.0: jid=0: Done
[ 118.866126][ T6443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 118.886576][ T6436] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 118.924798][ T6450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 119.064801][ T6450] CPU: 0 UID: 0 PID: 6450 Comm: syz.2.84 Not tainted syzkaller #0 PREEMPT(full)
[ 119.064827][ T6450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 119.064839][ T6450] Call Trace:
[ 119.064844][ T6450]
[ 119.064850][ T6450] dump_stack_lvl+0x97/0xe0
[ 119.064877][ T6450] sysfs_warn_dup.cold+0x1c/0x28
[ 119.064909][ T6450] sysfs_create_dir_ns+0x129/0x140
[ 119.064935][ T6450] kobject_add_internal+0x104/0x310
[ 119.064960][ T6450] kobject_init_and_add+0xb2/0xf0
[ 119.064985][ T6450] ? alloc_workqueue_noprof+0xe0/0xb60
[ 119.065011][ T6450] gfs2_sys_fs_add+0xef/0x200
[ 119.065041][ T6450] gfs2_fill_super+0x896/0x1210
[ 119.065060][ T6450] ? sb_set_blocksize+0x8c/0x150
[ 119.065083][ T6450] ? setup_bdev_super+0x19d/0x330
[ 119.065104][ T6450] ? __pfx_gfs2_fill_super+0x10/0x10
[ 119.065138][ T6450] get_tree_bdev_flags+0x1c0/0x290
[ 119.065164][ T6450] gfs2_get_tree+0x26/0xd0
[ 119.065195][ T6450] vfs_get_tree+0x30/0x120
[ 119.065214][ T6450] path_mount+0x5a9/0x1350
[ 119.065246][ T6450] ? putname+0x78/0xe0
[ 119.065276][ T6450] __x64_sys_mount+0x1a3/0x1e0
[ 119.065307][ T6450] do_syscall_64+0xa4/0xf80
[ 119.065339][ T6450] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 119.065360][ T6450] RIP: 0033:0x7f0c14b9c14a
[ 119.065375][ T6450] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 119.065395][ T6450] RSP: 002b:00007f0c15ac6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 119.065414][ T6450] RAX: ffffffffffffffda RBX: 00007f0c15ac6ee0 RCX: 00007f0c14b9c14a
[ 119.065427][ T6450] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f0c15ac6ea0
[ 119.065439][ T6450] RBP: 00002000000124c0 R08: 00007f0c15ac6ee0 R09: 0000000000000000
[ 119.065451][ T6450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 119.065464][ T6450] R13: 00007f0c15ac6ea0 R14: 0000000000012588 R15: 0000200000000000
[ 119.065479][ T6450]
[ 119.065490][ T6450] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 119.186489][ T6436] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 119.195783][ T6450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 120.121711][ T5924] syz-executor: attempt to access beyond end of device
[ 120.121711][ T5924] loop1: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768
[ 120.147771][ T5924] Buffer I/O error on dev loop1, logical block 8589934885, lost async page write
[ 120.157390][ T5924] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[ 120.170663][ T5924] CPU: 0 UID: 0 PID: 5924 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 120.170690][ T5924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 120.170702][ T5924] Call Trace:
[ 120.170708][ T5924]
[ 120.170714][ T5924] dump_stack_lvl+0x97/0xe0
[ 120.170744][ T5924] gfs2_withdraw.cold+0xa/0x77
[ 120.170765][ T5924] gfs2_io_error_bh_i.cold+0x2d/0x32
[ 120.170805][ T5924] gfs2_ail1_flush+0x497/0x7e0
[ 120.170844][ T5924] gfs2_ail1_start+0x4f/0x80
[ 120.170885][ T5924] gfs2_log_flush+0xf9a/0x1170
[ 120.170908][ T5924] gfs2_kill_sb+0x3e/0x1e0
[ 120.170942][ T5924] deactivate_locked_super+0x4f/0x120
[ 120.170969][ T5924] deactivate_super+0xa4/0xc0
[ 120.170994][ T5924] cleanup_mnt+0x145/0x1f0
[ 120.171022][ T5924] task_work_run+0x95/0xf0
[ 120.171056][ T5924] exit_to_user_mode_loop+0xcf/0x440
[ 120.171085][ T5924] do_syscall_64+0x2b8/0xf80
[ 120.171121][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 120.171143][ T5924] RIP: 0033:0x7f01a659c117
[ 120.171160][ T5924] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 120.171181][ T5924] RSP: 002b:00007fff7111de78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 120.171201][ T5924] RAX: 0000000000000000 RBX: 00007f01a660471f RCX: 00007f01a659c117
[ 120.171216][ T5924] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff7111df30
[ 120.171229][ T5924] RBP: 00007fff7111df30 R08: 00007fff7111ef30 R09: 00000000ffffffff
[ 120.171242][ T5924] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff7111efc0
[ 120.171255][ T5924] R13: 00007f01a660471f R14: 000000000001cb3a R15: 00007fff7111f000
[ 120.171272][ T5924]
[ 120.171279][ T5924] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 125.378968][ T5924] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564
[ 125.393462][ T5924] CPU: 1 UID: 0 PID: 5924 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 125.393489][ T5924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 125.393502][ T5924] Call Trace:
[ 125.393508][ T5924]
[ 125.393514][ T5924] dump_stack_lvl+0x97/0xe0
[ 125.393535][ T5924] gfs2_assert_warn_i.cold+0x38/0x94
[ 125.393551][ T5924] gfs2_make_fs_ro+0x13d/0x220
[ 125.393569][ T5924] ? __pfx_autoremove_wake_function+0x10/0x10
[ 125.393596][ T5924] gfs2_put_super+0xb4/0x2d0
[ 125.393611][ T5924] ? __pfx_gfs2_put_super+0x10/0x10
[ 125.393628][ T5924] generic_shutdown_super+0x9c/0x160
[ 125.393645][ T5924] kill_block_super+0x1d/0x50
[ 125.393661][ T5924] gfs2_kill_sb+0x1b6/0x1e0
[ 125.393686][ T5924] deactivate_locked_super+0x4f/0x120
[ 125.393705][ T5924] deactivate_super+0xa4/0xc0
[ 125.393722][ T5924] cleanup_mnt+0x145/0x1f0
[ 125.393742][ T5924] task_work_run+0x95/0xf0
[ 125.393765][ T5924] exit_to_user_mode_loop+0xcf/0x440
[ 125.393787][ T5924] do_syscall_64+0x2b8/0xf80
[ 125.393813][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 125.393829][ T5924] RIP: 0033:0x7f01a659c117
[ 125.393841][ T5924] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 125.393857][ T5924] RSP: 002b:00007fff7111de78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 125.393871][ T5924] RAX: 0000000000000000 RBX: 00007f01a660471f RCX: 00007f01a659c117
[ 125.393881][ T5924] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff7111df30
[ 125.393890][ T5924] RBP: 00007fff7111df30 R08: 00007fff7111ef30 R09: 00000000ffffffff
[ 125.393900][ T5924] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff7111efc0
[ 125.393909][ T5924] R13: 00007f01a660471f R14: 000000000001cb3a R15: 00007fff7111f000
[ 125.393921][ T5924]
[ 127.564005][ T5811] kmemleak: 14 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888125a2dec0 (size 32):
comm "syz.4.75", pid 6411, jiffies 4294948981
hex dump (first 32 bytes):
67 66 73 32 5f 6c 6f 67 64 2f 73 79 7a 3a 73 79 gfs2_logd/syz:sy
7a 2e 30 00 00 00 00 00 00 00 00 00 00 00 00 00 z.0.............
backtrace (crc d543dd03):
__kmalloc_node_track_caller_noprof+0x47b/0x690
kvasprintf+0x6e/0xf0
__kthread_create_on_node+0x9e/0x1c0
kthread_create_on_node+0x73/0xa0
gfs2_fill_super+0xdf8/0x1210
get_tree_bdev_flags+0x1c0/0x290
gfs2_get_tree+0x26/0xd0
vfs_get_tree+0x30/0x120
path_mount+0x5a9/0x1350
__x64_sys_mount+0x1a3/0x1e0
do_syscall_64+0xa4/0xf80
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff888126a2a300 (size 4480):
comm "kthreadd", pid 2, jiffies 4294948981
hex dump (first 32 bytes):
00 00 08 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 01 00 00 00 80 00 00 00 00 00 00 00 ................
backtrace (crc 4b33760e):
kmem_cache_alloc_node_noprof+0x422/0x590
copy_process+0x286/0x2870
kernel_clone+0xac/0x6e0
kernel_thread+0x80/0xb0
kthreadd+0x196/0x260
ret_from_fork+0x23c/0x320
ret_from_fork_asm+0x1a/0x30
BUG: memory leak
unreferenced object 0xffff888109c85180 (size 184):
comm "kthreadd", pid 2, jiffies 4294948981
hex dump (first 32 bytes):
02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc c5f4f48b):
kmem_cache_alloc_noprof+0x412/0x580
prepare_creds+0x22/0x600
copy_creds+0x44/0x290
copy_process+0x7a7/0x2870
kernel_clone+0xac/0x6e0
kernel_thread+0x80/0xb0
kthreadd+0x196/0x260
ret_from_fork+0x23c/0x320
ret_from_fork_asm+0x1a/0x30
BUG: memory leak
unreferenced object 0xffff888102bd9780 (size 32):
comm "kthreadd", pid 2, jiffies 4294948981
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
f8 52 86 00 81 88 ff ff 00 00 00 00 00 00 00 00 .R..............
backtrace (crc 336e1c5f):
__kmalloc_noprof+0x465/0x680
lsm_blob_alloc+0x4d/0x80
security_prepare_creds+0x2d/0x290
prepare_creds+0x395/0x600
copy_creds+0x44/0x290
copy_process+0x7a7/0x2870
kernel_clone+0xac/0x6e0
kernel_thread+0x80/0xb0
kthreadd+0x196/0x260
ret_from_fork+0x23c/0x320
ret_from_fork_asm+0x1a/0x30
BUG: memory leak
unreferenced object 0xffff8881098abc00 (size 192):
comm "kthreadd", pid 2, jiffies 4294948981
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff ................
01 00 00 00 00 00 00 00 80 d5 78 82 ff ff ff ff ..........x.....
backtrace (crc 1df624ea):
__kmalloc_cache_noprof+0x41a/0x590
set_kthread_struct+0x58/0x150
copy_process+0x1569/0x2870
kernel_clone+0xac/0x6e0
kernel_thread+0x80/0xb0
kthreadd+0x196/0x260
ret_from_fork+0x23c/0x320
ret_from_fork_asm+0x1a/0x30
BUG: memory leak
unreferenced object 0xffff88812baec5c0 (size 64):
comm "kthreadd", pid 2, jiffies 4294948981
hex dump (first 32 bytes):
e0 35 8f 89 ff ff ff ff 00 00 00 00 00 00 00 00 .5..............
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 8e7806b9):
__kmalloc_noprof+0x465/0x680
lsm_blob_alloc+0x4d/0x80
security_task_alloc+0x2a/0x260
copy_process+0xf07/0x2870
kernel_clone+0xac/0x6e0
kernel_thread+0x80/0xb0
kthreadd+0x196/0x260
ret_from_fork+0x23c/0x320
ret_from_fork_asm+0x1a/0x30
BUG: memory leak
unreferenced object 0xffff888101e37a80 (size 1152):
comm "kthreadd", pid 2, jiffies 4294948981
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
90 7a e3 01 81 88 ff ff 90 7a e3 01 81 88 ff ff .z.......z......
backtrace (crc 1d024e88):
kmem_cache_alloc_noprof+0x412/0x580
copy_process+0x1102/0x2870
kernel_clone+0xac/0x6e0
kernel_thread+0x80/0xb0
kthreadd+0x196/0x260
ret_from_fork+0x23c/0x320
ret_from_fork_asm+0x1a/0x30
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF
[ 130.641777][ T35] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 130.690433][ T35] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 130.750298][ T35] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 130.800375][ T35] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 130.870721][ T35] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 130.906384][ T35] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 130.940655][ T35] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 130.981194][ T35] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 131.041603][ T35] bridge_slave_1: left allmulticast mode
[ 131.047289][ T35] bridge_slave_1: left promiscuous mode
[ 131.053293][ T35] bridge0: port 2(bridge_slave_1) entered disabled state
[ 131.061996][ T35] bridge_slave_0: left allmulticast mode
[ 131.067659][ T35] bridge_slave_0: left promiscuous mode
[ 131.073584][ T35] bridge0: port 1(bridge_slave_0) entered disabled state
[ 131.081493][ T35] bridge_slave_1: left allmulticast mode
[ 131.087166][ T35] bridge_slave_1: left promiscuous mode
[ 131.092918][ T35] bridge0: port 2(bridge_slave_1) entered disabled state
[ 131.100354][ T35] bridge_slave_0: left allmulticast mode
[ 131.106094][ T35] bridge_slave_0: left promiscuous mode
[ 131.111855][ T35] bridge0: port 1(bridge_slave_0) entered disabled state
[ 131.182038][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 131.191804][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 131.201195][ T35] bond0 (unregistering): Released all slaves
[ 131.241032][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 131.250152][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 131.259852][ T35] bond0 (unregistering): Released all slaves
[ 131.492885][ T35] hsr_slave_0: left promiscuous mode
[ 131.498407][ T35] hsr_slave_1: left promiscuous mode
[ 131.504590][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 131.512269][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 131.519793][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 131.527176][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 131.535634][ T35] hsr_slave_0: left promiscuous mode
[ 131.542204][ T35] hsr_slave_1: left promiscuous mode
[ 131.547620][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 131.555017][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 131.562796][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 131.570286][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 131.579585][ T35] veth1_macvtap: left promiscuous mode
[ 131.585055][ T35] veth0_macvtap: left promiscuous mode
[ 131.590560][ T35] veth1_vlan: left promiscuous mode
[ 131.595777][ T35] veth0_vlan: left promiscuous mode
[ 131.601295][ T35] veth1_macvtap: left promiscuous mode
[ 131.606839][ T35] veth0_macvtap: left promiscuous mode
[ 131.612368][ T35] veth1_vlan: left promiscuous mode
[ 131.617672][ T35] veth0_vlan: left promiscuous mode
[ 131.655096][ T35] team0 (unregistering): Port device team_slave_1 removed
[ 131.663401][ T35] team0 (unregistering): Port device team_slave_0 removed
[ 131.692260][ T35] team0 (unregistering): Port device team_slave_1 removed
[ 131.702728][ T35] team0 (unregistering): Port device team_slave_0 removed
[ 131.710793][ T1309] ieee802154 phy0 wpan0: encryption failed: -22
[ 131.717161][ T1309] ieee802154 phy1 wpan1: encryption failed: -22
[ 132.182732][ T35] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.260315][ T35] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.310316][ T35] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.360245][ T35] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.414038][ T35] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.450374][ T35] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.500770][ T35] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.561212][ T35] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.620141][ T35] netdevsim netdevsim6 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.664235][ T35] netdevsim netdevsim6 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.706382][ T35] netdevsim netdevsim6 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.740799][ T35] netdevsim netdevsim6 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.808494][ T35] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.852636][ T35] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.891333][ T35] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.930806][ T35] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 133.001157][ T35] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 133.042060][ T35] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 133.090615][ T35] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 133.141116][ T35] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 133.207413][ T35] bridge_slave_1: left allmulticast mode
[ 133.214277][ T35] bridge_slave_1: left promiscuous mode
[ 133.220309][ T35] bridge0: port 2(bridge_slave_1) entered disabled state
[ 133.227936][ T35] bridge_slave_0: left allmulticast mode
[ 133.233980][ T35] bridge_slave_0: left promiscuous mode
[ 133.240036][ T35] bridge0: port 1(bridge_slave_0) entered disabled state
[ 133.247720][ T35] bridge_slave_1: left allmulticast mode
[ 133.253856][ T35] bridge_slave_1: left promiscuous mode
[ 133.259675][ T35] bridge0: port 2(bridge_slave_1) entered disabled state
[ 133.267262][ T35] bridge_slave_0: left allmulticast mode
[ 133.273243][ T35] bridge_slave_0: left promiscuous mode
[ 133.278844][ T35] bridge0: port 1(bridge_slave_0) entered disabled state
[ 133.286508][ T35] bridge_slave_1: left allmulticast mode
[ 133.292302][ T35] bridge_slave_1: left promiscuous mode
[ 133.297907][ T35] bridge0: port 2(bridge_slave_1) entered disabled state
[ 133.305661][ T35] bridge_slave_0: left allmulticast mode
[ 133.311356][ T35] bridge_slave_0: left promiscuous mode
[ 133.317460][ T35] bridge0: port 1(bridge_slave_0) entered disabled state
[ 133.325425][ T35] bridge_slave_1: left allmulticast mode
[ 133.331189][ T35] bridge_slave_1: left promiscuous mode
[ 133.336945][ T35] bridge0: port 2(bridge_slave_1) entered disabled state
[ 133.344772][ T35] bridge_slave_0: left allmulticast mode
[ 133.350774][ T35] bridge_slave_0: left promiscuous mode
[ 133.356368][ T35] bridge0: port 1(bridge_slave_0) entered disabled state
[ 133.364006][ T35] bridge_slave_1: left allmulticast mode
[ 133.370380][ T35] bridge_slave_1: left promiscuous mode
[ 133.376014][ T35] bridge0: port 2(bridge_slave_1) entered disabled state
[ 133.383696][ T35] bridge_slave_0: left allmulticast mode
[ 133.389479][ T35] bridge_slave_0: left promiscuous mode
[ 133.395063][ T35] bridge0: port 1(bridge_slave_0) entered disabled state
[ 133.491496][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 133.500975][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 133.510112][ T35] bond0 (unregistering): Released all slaves
[ 133.560941][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 133.570035][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 133.579096][ T35] bond0 (unregistering): Released all slaves
[ 133.629824][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 133.638874][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 133.647939][ T35] bond0 (unregistering): Released all slaves
[ 133.689924][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 133.699007][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 133.707911][ T35] bond0 (unregistering): Released all slaves
[ 133.780332][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 133.789460][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 133.798325][ T35] bond0 (unregistering): Released all slaves
[ 134.193642][ T35] hsr_slave_0: left promiscuous mode
[ 134.199172][ T35] hsr_slave_1: left promiscuous mode
[ 134.204590][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 134.211995][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 134.219564][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 134.226960][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 134.235581][ T35] hsr_slave_0: left promiscuous mode
[ 134.241120][ T35] hsr_slave_1: left promiscuous mode
[ 134.246528][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 134.254055][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 134.261561][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 134.269086][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 134.277474][ T35] hsr_slave_0: left promiscuous mode
[ 134.283052][ T35] hsr_slave_1: left promiscuous mode
[ 134.288594][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 134.296298][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 134.303671][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 134.311239][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 134.319649][ T35] hsr_slave_0: left promiscuous mode
[ 134.325097][ T35] hsr_slave_1: left promiscuous mode
[ 134.330619][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 134.338071][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 134.345634][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 134.353071][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 134.361447][ T35] hsr_slave_0: left promiscuous mode
[ 134.366861][ T35] hsr_slave_1: left promiscuous mode
[ 134.372357][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 134.379853][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 134.387286][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 134.394867][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 134.406521][ T35] veth1_macvtap: left promiscuous mode
[ 134.412041][ T35] veth0_macvtap: left promiscuous mode
[ 134.417534][ T35] veth1_vlan: left promiscuous mode
[ 134.422785][ T35] veth0_vlan: left promiscuous mode
[ 134.428565][ T35] veth1_macvtap: left promiscuous mode
[ 134.434077][ T35] veth0_macvtap: left promiscuous mode
[ 134.440012][ T35] veth1_vlan: left promiscuous mode
[ 134.445227][ T35] veth0_vlan: left promiscuous mode
[ 134.450891][ T35] veth1_macvtap: left promiscuous mode
[ 134.456379][ T35] veth0_macvtap: left promiscuous mode
[ 134.461912][ T35] veth1_vlan: left promiscuous mode
[ 134.467227][ T35] veth0_vlan: left promiscuous mode
[ 134.472829][ T35] veth1_macvtap: left promiscuous mode
[ 134.478292][ T35] veth0_macvtap: left promiscuous mode
[ 134.483790][ T35] veth1_vlan: left promiscuous mode
[ 134.489068][ T35] veth0_vlan: left promiscuous mode
[ 134.494539][ T35] veth1_macvtap: left promiscuous mode
[ 134.500110][ T35] veth0_macvtap: left promiscuous mode
[ 134.505663][ T35] veth1_vlan: left promiscuous mode
[ 134.510932][ T35] veth0_vlan: left promiscuous mode
[ 134.585587][ T35] team0 (unregistering): Port device team_slave_1 removed
[ 134.593758][ T35] team0 (unregistering): Port device team_slave_0 removed
[ 134.620538][ T35] team0 (unregistering): Port device team_slave_1 removed
[ 134.628551][ T35] team0 (unregistering): Port device team_slave_0 removed
[ 134.653883][ T35] team0 (unregistering): Port device team_slave_1 removed
[ 134.662588][ T35] team0 (unregistering): Port device team_slave_0 removed
[ 134.686907][ T35] team0 (unregistering): Port device team_slave_1 removed
[ 134.695078][ T35] team0 (unregistering): Port device team_slave_0 removed
[ 134.722649][ T35] team0 (unregistering): Port device team_slave_1 removed
[ 134.730789][ T35] team0 (unregistering): Port device team_slave_0 removed