a3 R15: 0000000020000980 [ 573.662372][ T4831] </TASK> [ 573.668263][ T4831] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 573.703641][ T4831] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 573.939087][ T4837] loop2: detected capacity change from 0 to 32768 [ 573.950573][ T4833] syz.3.202 (4833): drop_caches: 2 [ 573.969296][ T4835] syz.4.203 (4835): drop_caches: 2 [ 574.075656][ T4831] syz.1.201 (4831): drop_caches: 2 [ 574.098743][ T4837] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 574.126083][ T4837] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 574.168692][ T4837] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 574.223646][ T4367] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 574.236734][ T4367] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 574.340652][ T4367] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 103ms [ 574.360694][ T4367] gfs2: fsid=syz:syz.0: jid=0: Done [ 574.365972][ T4837] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 574.400595][ T4837] syz.2.205 (4837): drop_caches: 2 [ 574.621908][ T4839] loop0: detected capacity change from 0 to 32768 [ 574.714340][ T4839] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 574.732012][ T4839] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 574.794174][ T4839] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 574.828707][ T4841] loop3: detected capacity change from 0 to 32768 [ 574.835306][ T4367] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 574.855085][ T4367] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 574.867743][ T4841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 574.875166][ T4841] CPU: 0 PID: 4841 Comm: syz.3.206 Not tainted 5.15.176-syzkaller #0 [ 574.883247][ T4841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 574.893317][ T4841] Call Trace: [ 574.896665][ T4841] <TASK> [ 574.899606][ T4841] dump_stack_lvl+0x1e3/0x2d0 [ 574.904299][ T4841] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 574.909946][ T4841] ? panic+0x860/0x860 [ 574.914037][ T4841] ? sysfs_create_dir_ns+0x282/0x390 [ 574.919346][ T4841] sysfs_create_dir_ns+0x2c6/0x390 [ 574.924490][ T4841] ? sysfs_warn_dup+0xa0/0xa0 [ 574.929189][ T4841] ? do_raw_spin_unlock+0x137/0x8b0 [ 574.934409][ T4841] ? kobject_set_name_vargs+0xca/0x110 [ 574.939894][ T4841] kobject_add_internal+0x6e0/0xe00 [ 574.945125][ T4841] kobject_init_and_add+0x120/0x190 [ 574.950340][ T4841] ? lockdep_softirqs_off+0x420/0x420 [ 574.955731][ T4841] ? widen_string+0x3a/0x310 [ 574.960338][ T4841] ? kobject_add+0x210/0x210 [ 574.964947][ T4841] ? __init_swait_queue_head+0xaa/0x140 [ 574.970508][ T4841] gfs2_sys_fs_add+0x237/0x4a0 [ 574.975291][ T4841] ? gfs2_recover_set+0x240/0x240 [ 574.980334][ T4841] ? snprintf+0xd6/0x120 [ 574.984602][ T4841] ? vscnprintf+0x80/0x80 [ 574.988947][ T4841] ? read_word_at_a_time+0xe/0x20 [ 574.993988][ T4841] ? strscpy+0x89/0x220 [ 574.998160][ T4841] gfs2_fill_super+0x1299/0x2750 [ 575.003131][ T4841] ? gfs2_reconfigure+0xcf0/0xcf0 [ 575.008167][ T4841] ? ptr_to_hashval+0x60/0x60 [ 575.012859][ T4841] ? up_write+0x19d/0x580 [ 575.017217][ T4841] ? set_blocksize+0x1ec/0x370 [ 575.022005][ T4841] get_tree_bdev+0x3fe/0x620 [ 575.026603][ T4841] ? gfs2_reconfigure+0xcf0/0xcf0 [ 575.031639][ T4841] gfs2_get_tree+0x50/0x210 [ 575.036152][ T4841] ? bpf_lsm_capable+0x5/0x10 [ 575.040847][ T4841] vfs_get_tree+0x88/0x270 [ 575.045271][ T4841] do_new_mount+0x2ba/0xb40 [ 575.049798][ T4841] ? do_move_mount_old+0x160/0x160 [ 575.054917][ T4841] ? user_path_at_empty+0x12b/0x180 [ 575.060134][ T4841] __se_sys_mount+0x2d5/0x3c0 [ 575.064822][ T4841] ? __x64_sys_mount+0xc0/0xc0 [ 575.069599][ T4841] ? syscall_enter_from_user_mode+0x2e/0x240 [ 575.075596][ T4841] ? lockdep_hardirqs_on+0x94/0x130 [ 575.080810][ T4841] ? __x64_sys_mount+0x1c/0xc0 [ 575.085587][ T4841] do_syscall_64+0x3b/0xb0 [ 575.090015][ T4841] ? clear_bhb_loop+0x15/0x70 [ 575.094700][ T4841] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 575.100605][ T4841] RIP: 0033:0x7f58a9cdc4ca [ 575.105033][ T4841] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 575.124646][ T4841] RSP: 002b:00007f58a8f52e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 575.126069][ T4845] loop1: detected capacity change from 0 to 32768 [ 575.133068][ T4841] RAX: ffffffffffffffda RBX: 00007f58a8f52ef0 RCX: 00007f58a9cdc4ca [ 575.133084][ T4841] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f58a8f52eb0 [ 575.133100][ T4841] RBP: 0000000020000280 R08: 00007f58a8f52ef0 R09: 0000000000008c1b [ 575.133112][ T4841] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 575.133123][ T4841] R13: 00007f58a8f52eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 575.133149][ T4841] </TASK> [ 575.161247][ T4843] loop4: detected capacity change from 0 to 32768 [ 575.220631][ T4841] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 575.234546][ T4367] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 379ms [ 575.244675][ T4367] gfs2: fsid=syz:syz.0: jid=0: Done [ 575.250460][ T4839] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 575.267402][ T4841] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 575.276463][ T4845] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 575.294261][ T4839] syz.0.204 (4839): drop_caches: 2 [ 575.321869][ T4843] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 575.343411][ T4843] CPU: 1 PID: 4843 Comm: syz.4.207 Not tainted 5.15.176-syzkaller #0 [ 575.351595][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 575.361648][ T4843] Call Trace: [ 575.364931][ T4843] <TASK> [ 575.367868][ T4843] dump_stack_lvl+0x1e3/0x2d0 [ 575.372561][ T4843] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 575.378205][ T4843] ? panic+0x860/0x860 [ 575.382293][ T4843] ? sysfs_create_dir_ns+0x282/0x390 [ 575.387596][ T4843] sysfs_create_dir_ns+0x2c6/0x390 [ 575.392750][ T4843] ? sysfs_warn_dup+0xa0/0xa0 [ 575.397447][ T4843] ? do_raw_spin_unlock+0x137/0x8b0 [ 575.402655][ T4843] ? kobject_set_name_vargs+0xca/0x110 [ 575.408129][ T4843] kobject_add_internal+0x6e0/0xe00 [ 575.413396][ T4843] kobject_init_and_add+0x120/0x190 [ 575.418600][ T4843] ? lockdep_softirqs_off+0x420/0x420 [ 575.423983][ T4843] ? widen_string+0x3a/0x310 [ 575.428580][ T4843] ? kobject_add+0x210/0x210 [ 575.433177][ T4843] ? __init_swait_queue_head+0xaa/0x140 [ 575.438723][ T4843] gfs2_sys_fs_add+0x237/0x4a0 [ 575.443513][ T4843] ? gfs2_recover_set+0x240/0x240 [ 575.448540][ T4843] ? snprintf+0xd6/0x120 [ 575.452792][ T4843] ? vscnprintf+0x80/0x80 [ 575.457148][ T4843] ? read_word_at_a_time+0xe/0x20 [ 575.462177][ T4843] ? strscpy+0x89/0x220 [ 575.466336][ T4843] gfs2_fill_super+0x1299/0x2750 [ 575.471290][ T4843] ? gfs2_reconfigure+0xcf0/0xcf0 [ 575.476311][ T4843] ? ptr_to_hashval+0x60/0x60 [ 575.480991][ T4843] ? up_write+0x19d/0x580 [ 575.485336][ T4843] ? set_blocksize+0x1ec/0x370 [ 575.490112][ T4843] get_tree_bdev+0x3fe/0x620 [ 575.494730][ T4843] ? gfs2_reconfigure+0xcf0/0xcf0 [ 575.499759][ T4843] gfs2_get_tree+0x50/0x210 [ 575.504262][ T4843] ? bpf_lsm_capable+0x5/0x10 [ 575.508945][ T4843] vfs_get_tree+0x88/0x270 [ 575.513370][ T4843] do_new_mount+0x2ba/0xb40 [ 575.517879][ T4843] ? do_move_mount_old+0x160/0x160 [ 575.522991][ T4843] ? user_path_at_empty+0x12b/0x180 [ 575.528199][ T4843] __se_sys_mount+0x2d5/0x3c0 [ 575.532889][ T4843] ? __x64_sys_mount+0xc0/0xc0 [ 575.537657][ T4843] ? syscall_enter_from_user_mode+0x2e/0x240 [ 575.543643][ T4843] ? lockdep_hardirqs_on+0x94/0x130 [ 575.548849][ T4843] ? __x64_sys_mount+0x1c/0xc0 [ 575.553625][ T4843] do_syscall_64+0x3b/0xb0 [ 575.558043][ T4843] ? clear_bhb_loop+0x15/0x70 [ 575.562721][ T4843] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 575.568613][ T4843] RIP: 0033:0x7faa42e934ca [ 575.573036][ T4843] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 575.592640][ T4843] RSP: 002b:00007faa42109e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 575.601066][ T4843] RAX: ffffffffffffffda RBX: 00007faa42109ef0 RCX: 00007faa42e934ca [ 575.609054][ T4843] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007faa42109eb0 [ 575.617040][ T4843] RBP: 0000000020000280 R08: 00007faa42109ef0 R09: 0000000000008c1b [ 575.625029][ T4843] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 575.633007][ T4843] R13: 00007faa42109eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 575.641000][ T4843] </TASK> [ 575.655458][ T4845] CPU: 0 PID: 4845 Comm: syz.1.208 Not tainted 5.15.176-syzkaller #0 [ 575.663576][ T4845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 575.673649][ T4845] Call Trace: [ 575.676938][ T4845] <TASK> [ 575.679874][ T4845] dump_stack_lvl+0x1e3/0x2d0 [ 575.684566][ T4845] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 575.690208][ T4845] ? panic+0x860/0x860 [ 575.694296][ T4845] ? sysfs_create_dir_ns+0x282/0x390 [ 575.699610][ T4845] sysfs_create_dir_ns+0x2c6/0x390 [ 575.704745][ T4845] ? sysfs_warn_dup+0xa0/0xa0 [ 575.709434][ T4845] ? do_raw_spin_unlock+0x137/0x8b0 [ 575.714649][ T4845] ? kobject_set_name_vargs+0xca/0x110 [ 575.720128][ T4845] kobject_add_internal+0x6e0/0xe00 [ 575.725341][ T4845] kobject_init_and_add+0x120/0x190 [ 575.730557][ T4845] ? lockdep_softirqs_off+0x420/0x420 [ 575.735940][ T4845] ? widen_string+0x3a/0x310 [ 575.736558][ T4847] loop2: detected capacity change from 0 to 32768 [ 575.740544][ T4845] ? kobject_add+0x210/0x210 [ 575.740574][ T4845] ? __init_swait_queue_head+0xaa/0x140 [ 575.740594][ T4845] gfs2_sys_fs_add+0x237/0x4a0 [ 575.740614][ T4845] ? gfs2_recover_set+0x240/0x240 [ 575.758687][ T4843] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 575.761902][ T4845] ? snprintf+0xd6/0x120 [ 575.766949][ T4843] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 575.779996][ T4845] ? vscnprintf+0x80/0x80 [ 575.780023][ T4845] ? read_word_at_a_time+0xe/0x20 [ 575.780041][ T4845] ? strscpy+0x89/0x220 [ 575.780059][ T4845] gfs2_fill_super+0x1299/0x2750 [ 575.809168][ T4845] ? gfs2_reconfigure+0xcf0/0xcf0 [ 575.814209][ T4845] ? ptr_to_hashval+0x60/0x60 [ 575.818898][ T4845] ? up_write+0x19d/0x580 [ 575.823264][ T4845] ? set_blocksize+0x1ec/0x370 [ 575.828059][ T4845] get_tree_bdev+0x3fe/0x620 [ 575.832663][ T4845] ? gfs2_reconfigure+0xcf0/0xcf0 [ 575.837706][ T4845] gfs2_get_tree+0x50/0x210 [ 575.842227][ T4845] ? bpf_lsm_capable+0x5/0x10 [ 575.846912][ T4845] vfs_get_tree+0x88/0x270 [ 575.850258][ T4841] syz.3.206 (4841): drop_caches: 2 [ 575.851423][ T4845] do_new_mount+0x2ba/0xb40 [ 575.861024][ T4845] ? do_move_mount_old+0x160/0x160 [ 575.866159][ T4845] ? user_path_at_empty+0x12b/0x180 [ 575.871382][ T4845] __se_sys_mount+0x2d5/0x3c0 [ 575.876085][ T4845] ? __x64_sys_mount+0xc0/0xc0 [ 575.880860][ T4845] ? syscall_enter_from_user_mode+0x2e/0x240 [ 575.886843][ T4845] ? lockdep_hardirqs_on+0x94/0x130 [ 575.892053][ T4845] ? __x64_sys_mount+0x1c/0xc0 [ 575.896837][ T4845] do_syscall_64+0x3b/0xb0 [ 575.901266][ T4845] ? clear_bhb_loop+0x15/0x70 [ 575.905963][ T4845] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 575.911880][ T4845] RIP: 0033:0x7f60164324ca [ 575.916316][ T4845] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 575.935937][ T4845] RSP: 002b:00007f60156a8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 575.944375][ T4845] RAX: ffffffffffffffda RBX: 00007f60156a8ef0 RCX: 00007f60164324ca [ 575.952366][ T4845] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f60156a8eb0 [ 575.960356][ T4845] RBP: 0000000020000280 R08: 00007f60156a8ef0 R09: 0000000000008c1b [ 575.968348][ T4845] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 575.976339][ T4845] R13: 00007f60156a8eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 575.984345][ T4845] </TASK> [ 575.989780][ T4845] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 576.031259][ T4845] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 576.070405][ T4847] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 576.106921][ T4847] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 576.150296][ T4847] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 576.197046][ T4362] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 576.205226][ T4362] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 576.305989][ T4362] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 100ms [ 576.333827][ T4362] gfs2: fsid=syz:syz.0: jid=0: Done [ 576.346892][ T4847] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 576.357275][ T4845] syz.1.208 (4845): drop_caches: 2 [ 576.359827][ T4843] syz.4.207 (4843): drop_caches: 2 2025/01/21 02:26:35 executed programs: 206 [ 576.398113][ T4847] syz.2.209 (4847): drop_caches: 2 [ 576.695645][ T4849] loop3: detected capacity change from 0 to 32768 [ 576.773098][ T4849] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 576.812607][ T4849] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 576.852419][ T4849] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 576.874098][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 576.882983][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 576.996083][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 113ms [ 577.020890][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 577.036435][ T4849] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 577.094176][ T4849] syz.3.211 (4849): drop_caches: 2 [ 577.163600][ T4851] loop0: detected capacity change from 0 to 32768 [ 577.275094][ T4851] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 577.316986][ T4851] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 577.351180][ T4851] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 577.388017][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 577.394827][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 577.465507][ T4858] loop2: detected capacity change from 0 to 32768 [ 577.491931][ T4853] loop1: detected capacity change from 0 to 32768 [ 577.518428][ T4858] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 577.525848][ T4858] CPU: 1 PID: 4858 Comm: syz.2.214 Not tainted 5.15.176-syzkaller #0 [ 577.532560][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 137ms [ 577.533928][ T4858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 577.551426][ T4858] Call Trace: [ 577.551832][ T4855] loop4: detected capacity change from 0 to 32768 [ 577.554748][ T4858] <TASK> [ 577.562433][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 577.564078][ T4858] dump_stack_lvl+0x1e3/0x2d0 [ 577.573536][ T4851] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 577.573952][ T4858] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 577.586754][ T4858] ? panic+0x860/0x860 [ 577.590852][ T4858] ? sysfs_create_dir_ns+0x282/0x390 [ 577.594785][ T4851] syz.0.210 (4851): drop_caches: 2 [ 577.596146][ T4858] sysfs_create_dir_ns+0x2c6/0x390 [ 577.606343][ T4858] ? sysfs_warn_dup+0xa0/0xa0 [ 577.611042][ T4858] ? do_raw_spin_unlock+0x137/0x8b0 [ 577.616232][ T4858] ? kobject_set_name_vargs+0xca/0x110 [ 577.621685][ T4858] kobject_add_internal+0x6e0/0xe00 [ 577.626884][ T4858] kobject_init_and_add+0x120/0x190 [ 577.632086][ T4858] ? lockdep_softirqs_off+0x420/0x420 [ 577.637464][ T4858] ? widen_string+0x3a/0x310 [ 577.642069][ T4858] ? kobject_add+0x210/0x210 [ 577.646659][ T4858] ? __init_swait_queue_head+0xaa/0x140 [ 577.652207][ T4858] gfs2_sys_fs_add+0x237/0x4a0 [ 577.656971][ T4858] ? gfs2_recover_set+0x240/0x240 [ 577.662006][ T4858] ? snprintf+0xd6/0x120 [ 577.666273][ T4858] ? vscnprintf+0x80/0x80 [ 577.670714][ T4858] ? read_word_at_a_time+0xe/0x20 [ 577.675752][ T4858] ? strscpy+0x89/0x220 [ 577.679928][ T4858] gfs2_fill_super+0x1299/0x2750 [ 577.684867][ T4858] ? gfs2_reconfigure+0xcf0/0xcf0 [ 577.689886][ T4858] ? ptr_to_hashval+0x60/0x60 [ 577.694570][ T4858] ? up_write+0x19d/0x580 [ 577.698903][ T4858] ? set_blocksize+0x1ec/0x370 [ 577.703671][ T4858] get_tree_bdev+0x3fe/0x620 [ 577.708257][ T4858] ? gfs2_reconfigure+0xcf0/0xcf0 [ 577.713296][ T4858] gfs2_get_tree+0x50/0x210 [ 577.717812][ T4858] ? bpf_lsm_capable+0x5/0x10 [ 577.722505][ T4858] vfs_get_tree+0x88/0x270 [ 577.726918][ T4858] do_new_mount+0x2ba/0xb40 [ 577.731428][ T4858] ? do_move_mount_old+0x160/0x160 [ 577.736662][ T4858] ? user_path_at_empty+0x12b/0x180 [ 577.741887][ T4858] __se_sys_mount+0x2d5/0x3c0 [ 577.746568][ T4858] ? __x64_sys_mount+0xc0/0xc0 [ 577.751325][ T4858] ? syscall_enter_from_user_mode+0x2e/0x240 [ 577.757307][ T4858] ? lockdep_hardirqs_on+0x94/0x130 [ 577.762524][ T4858] ? __x64_sys_mount+0x1c/0xc0 [ 577.767313][ T4858] do_syscall_64+0x3b/0xb0 [ 577.771743][ T4858] ? clear_bhb_loop+0x15/0x70 [ 577.776441][ T4858] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 577.782362][ T4858] RIP: 0033:0x7f87815994ca [ 577.786795][ T4858] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 577.806411][ T4858] RSP: 002b:00007f878080fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 577.814847][ T4858] RAX: ffffffffffffffda RBX: 00007f878080fef0 RCX: 00007f87815994ca [ 577.822836][ T4858] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f878080feb0 [ 577.830823][ T4858] RBP: 0000000020000280 R08: 00007f878080fef0 R09: 0000000000008c1b [ 577.838811][ T4858] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 577.846802][ T4858] R13: 00007f878080feb0 R14: 00000000000127a3 R15: 0000000020000980 [ 577.854806][ T4858] </TASK> [ 577.874532][ T4858] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 577.896908][ T4858] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 577.909543][ T4855] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 577.924971][ T4853] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 577.939925][ T4855] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 577.952773][ T4853] CPU: 1 PID: 4853 Comm: syz.1.212 Not tainted 5.15.176-syzkaller #0 [ 577.960876][ T4853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 577.970940][ T4853] Call Trace: [ 577.974228][ T4853] <TASK> [ 577.977172][ T4853] dump_stack_lvl+0x1e3/0x2d0 [ 577.981876][ T4853] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 577.987527][ T4853] ? panic+0x860/0x860 [ 577.991617][ T4853] ? sysfs_create_dir_ns+0x282/0x390 [ 577.996920][ T4853] sysfs_create_dir_ns+0x2c6/0x390 [ 578.002052][ T4853] ? sysfs_warn_dup+0xa0/0xa0 [ 578.006749][ T4853] ? do_raw_spin_unlock+0x137/0x8b0 [ 578.011964][ T4853] ? kobject_set_name_vargs+0xca/0x110 [ 578.017438][ T4853] kobject_add_internal+0x6e0/0xe00 [ 578.022657][ T4853] kobject_init_and_add+0x120/0x190 [ 578.027870][ T4853] ? lockdep_softirqs_off+0x420/0x420 [ 578.033249][ T4853] ? widen_string+0x3a/0x310 [ 578.037944][ T4853] ? kobject_add+0x210/0x210 [ 578.042559][ T4853] ? __init_swait_queue_head+0xaa/0x140 [ 578.048133][ T4853] gfs2_sys_fs_add+0x237/0x4a0 [ 578.052918][ T4853] ? gfs2_recover_set+0x240/0x240 [ 578.057961][ T4853] ? snprintf+0xd6/0x120 [ 578.062229][ T4853] ? vscnprintf+0x80/0x80 [ 578.066589][ T4853] ? read_word_at_a_time+0xe/0x20 [ 578.071632][ T4853] ? strscpy+0x89/0x220 [ 578.075807][ T4853] gfs2_fill_super+0x1299/0x2750 [ 578.080781][ T4853] ? gfs2_reconfigure+0xcf0/0xcf0 [ 578.085824][ T4853] ? ptr_to_hashval+0x60/0x60 [ 578.090575][ T4853] ? up_write+0x19d/0x580 [ 578.094941][ T4853] ? set_blocksize+0x1ec/0x370 [ 578.099732][ T4853] get_tree_bdev+0x3fe/0x620 [ 578.104340][ T4853] ? gfs2_reconfigure+0xcf0/0xcf0 [ 578.109383][ T4853] gfs2_get_tree+0x50/0x210 [ 578.113901][ T4853] ? bpf_lsm_capable+0x5/0x10 [ 578.118598][ T4853] vfs_get_tree+0x88/0x270 [ 578.123032][ T4853] do_new_mount+0x2ba/0xb40 [ 578.127558][ T4853] ? do_move_mount_old+0x160/0x160 [ 578.132694][ T4853] ? user_path_at_empty+0x12b/0x180 [ 578.137913][ T4853] __se_sys_mount+0x2d5/0x3c0 [ 578.142611][ T4853] ? __x64_sys_mount+0xc0/0xc0 [ 578.147388][ T4853] ? syscall_enter_from_user_mode+0x2e/0x240 [ 578.153382][ T4853] ? lockdep_hardirqs_on+0x94/0x130 [ 578.158599][ T4853] ? __x64_sys_mount+0x1c/0xc0 [ 578.163393][ T4853] do_syscall_64+0x3b/0xb0 [ 578.167822][ T4853] ? clear_bhb_loop+0x15/0x70 [ 578.172517][ T4853] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 578.178435][ T4853] RIP: 0033:0x7f60164324ca [ 578.182887][ T4853] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 578.202499][ T4853] RSP: 002b:00007f60156a8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 578.210937][ T4853] RAX: ffffffffffffffda RBX: 00007f60156a8ef0 RCX: 00007f60164324ca [ 578.218929][ T4853] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f60156a8eb0 [ 578.226915][ T4853] RBP: 0000000020000280 R08: 00007f60156a8ef0 R09: 0000000000008c1b [ 578.234897][ T4853] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 578.242884][ T4853] R13: 00007f60156a8eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 578.250887][ T4853] </TASK> [ 578.257798][ T4853] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 578.271266][ T4853] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 578.303322][ T4853] syz.1.212 (4853): drop_caches: 2 [ 578.325593][ T4855] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 578.348516][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 578.370272][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 578.502388][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 132ms [ 578.534862][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 578.555452][ T4858] syz.2.214 (4858): drop_caches: 2 [ 578.562440][ T4855] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 578.593341][ T4855] syz.4.213 (4855): drop_caches: 2 [ 578.725820][ T4860] loop3: detected capacity change from 0 to 32768 [ 578.797623][ T4860] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 578.805822][ T4860] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 578.860462][ T4860] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 578.886978][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 578.896983][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 578.904363][ T4862] loop0: detected capacity change from 0 to 32768 [ 578.966231][ T4862] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 579.006790][ T4862] CPU: 0 PID: 4862 Comm: syz.0.216 Not tainted 5.15.176-syzkaller #0 [ 579.014898][ T4862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 579.024968][ T4862] Call Trace: [ 579.028258][ T4862] <TASK> [ 579.031198][ T4862] dump_stack_lvl+0x1e3/0x2d0 [ 579.035993][ T4862] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 579.041665][ T4862] ? panic+0x860/0x860 [ 579.045763][ T4862] ? sysfs_create_dir_ns+0x282/0x390 [ 579.051078][ T4862] sysfs_create_dir_ns+0x2c6/0x390 [ 579.056216][ T4862] ? sysfs_warn_dup+0xa0/0xa0 [ 579.060917][ T4862] ? do_raw_spin_unlock+0x137/0x8b0 [ 579.066130][ T4862] ? kobject_set_name_vargs+0xca/0x110 [ 579.071611][ T4862] kobject_add_internal+0x6e0/0xe00 [ 579.076878][ T4862] kobject_init_and_add+0x120/0x190 [ 579.082104][ T4862] ? lockdep_softirqs_off+0x420/0x420 [ 579.087489][ T4862] ? widen_string+0x3a/0x310 [ 579.092097][ T4862] ? kobject_add+0x210/0x210 [ 579.096711][ T4862] ? __init_swait_queue_head+0xaa/0x140 [ 579.102272][ T4862] gfs2_sys_fs_add+0x237/0x4a0 [ 579.107050][ T4862] ? gfs2_recover_set+0x240/0x240 [ 579.112082][ T4862] ? snprintf+0xd6/0x120 [ 579.116338][ T4862] ? vscnprintf+0x80/0x80 [ 579.120684][ T4862] ? read_word_at_a_time+0xe/0x20 [ 579.125740][ T4862] ? strscpy+0x89/0x220 [ 579.129906][ T4862] gfs2_fill_super+0x1299/0x2750 [ 579.134876][ T4862] ? gfs2_reconfigure+0xcf0/0xcf0 [ 579.139909][ T4862] ? ptr_to_hashval+0x60/0x60 [ 579.144599][ T4862] ? up_write+0x19d/0x580 [ 579.148953][ T4862] ? set_blocksize+0x1ec/0x370 [ 579.153737][ T4862] get_tree_bdev+0x3fe/0x620 [ 579.158336][ T4862] ? gfs2_reconfigure+0xcf0/0xcf0 [ 579.163397][ T4862] gfs2_get_tree+0x50/0x210 [ 579.167918][ T4862] ? bpf_lsm_capable+0x5/0x10 [ 579.172624][ T4862] vfs_get_tree+0x88/0x270 [ 579.177054][ T4862] do_new_mount+0x2ba/0xb40 [ 579.181566][ T4862] ? do_move_mount_old+0x160/0x160 [ 579.186686][ T4862] ? user_path_at_empty+0x12b/0x180 [ 579.191911][ T4862] __se_sys_mount+0x2d5/0x3c0 [ 579.194399][ T4864] loop1: detected capacity change from 0 to 32768 [ 579.196602][ T4862] ? __x64_sys_mount+0xc0/0xc0 [ 579.207748][ T4862] ? syscall_enter_from_user_mode+0x2e/0x240 [ 579.213744][ T4862] ? lockdep_hardirqs_on+0x94/0x130 [ 579.218968][ T4862] ? __x64_sys_mount+0x1c/0xc0 [ 579.223747][ T4862] do_syscall_64+0x3b/0xb0 [ 579.228176][ T4862] ? clear_bhb_loop+0x15/0x70 [ 579.232862][ T4862] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 579.238770][ T4862] RIP: 0033:0x7f11cb3d24ca [ 579.243196][ T4862] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 579.262804][ T4862] RSP: 002b:00007f11ca648e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 579.271218][ T4862] RAX: ffffffffffffffda RBX: 00007f11ca648ef0 RCX: 00007f11cb3d24ca [ 579.279183][ T4862] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f11ca648eb0 [ 579.287143][ T4862] RBP: 0000000020000280 R08: 00007f11ca648ef0 R09: 0000000000008c1b [ 579.295104][ T4862] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 579.303151][ T4862] R13: 00007f11ca648eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 579.311124][ T4862] </TASK> [ 579.317090][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 420ms [ 579.323250][ T4864] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 579.324711][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 579.332475][ T4864] CPU: 1 PID: 4864 Comm: syz.1.217 Not tainted 5.15.176-syzkaller #0 [ 579.345273][ T4864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 579.355436][ T4864] Call Trace: [ 579.358733][ T4864] <TASK> [ 579.361670][ T4864] dump_stack_lvl+0x1e3/0x2d0 [ 579.366365][ T4864] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 579.372008][ T4864] ? panic+0x860/0x860 [ 579.376093][ T4864] ? sysfs_create_dir_ns+0x282/0x390 [ 579.377903][ T4860] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 579.381388][ T4864] sysfs_create_dir_ns+0x2c6/0x390 [ 579.393668][ T4864] ? sysfs_warn_dup+0xa0/0xa0 [ 579.398394][ T4864] ? do_raw_spin_unlock+0x137/0x8b0 [ 579.403614][ T4864] ? kobject_set_name_vargs+0xca/0x110 [ 579.409089][ T4864] kobject_add_internal+0x6e0/0xe00 [ 579.414309][ T4864] kobject_init_and_add+0x120/0x190 [ 579.419514][ T4864] ? lockdep_softirqs_off+0x420/0x420 [ 579.424893][ T4864] ? widen_string+0x3a/0x310 [ 579.429491][ T4864] ? kobject_add+0x210/0x210 [ 579.434092][ T4864] ? __init_swait_queue_head+0xaa/0x140 [ 579.439767][ T4864] gfs2_sys_fs_add+0x237/0x4a0 [ 579.444538][ T4864] ? gfs2_recover_set+0x240/0x240 [ 579.449572][ T4864] ? snprintf+0xd6/0x120 [ 579.453822][ T4864] ? vscnprintf+0x80/0x80 [ 579.458158][ T4864] ? read_word_at_a_time+0xe/0x20 [ 579.463194][ T4864] ? strscpy+0x89/0x220 [ 579.467361][ T4864] gfs2_fill_super+0x1299/0x2750 [ 579.472335][ T4864] ? gfs2_reconfigure+0xcf0/0xcf0 [ 579.477380][ T4864] ? ptr_to_hashval+0x60/0x60 [ 579.482081][ T4864] ? up_write+0x19d/0x580 [ 579.486444][ T4864] ? set_blocksize+0x1ec/0x370 [ 579.491230][ T4864] get_tree_bdev+0x3fe/0x620 [ 579.495831][ T4864] ? gfs2_reconfigure+0xcf0/0xcf0 [ 579.500878][ T4864] gfs2_get_tree+0x50/0x210 [ 579.505396][ T4864] ? bpf_lsm_capable+0x5/0x10 [ 579.510098][ T4864] vfs_get_tree+0x88/0x270 [ 579.514536][ T4864] do_new_mount+0x2ba/0xb40 [ 579.519055][ T4864] ? do_move_mount_old+0x160/0x160 [ 579.524184][ T4864] ? user_path_at_empty+0x12b/0x180 [ 579.529416][ T4864] __se_sys_mount+0x2d5/0x3c0 [ 579.534114][ T4864] ? __x64_sys_mount+0xc0/0xc0 [ 579.538889][ T4864] ? syscall_enter_from_user_mode+0x2e/0x240 [ 579.544889][ T4864] ? lockdep_hardirqs_on+0x94/0x130 [ 579.550109][ T4864] ? __x64_sys_mount+0x1c/0xc0 [ 579.554889][ T4864] do_syscall_64+0x3b/0xb0 [ 579.559330][ T4864] ? clear_bhb_loop+0x15/0x70 [ 579.564020][ T4864] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 579.569927][ T4864] RIP: 0033:0x7f60164324ca [ 579.574364][ T4864] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 579.593987][ T4864] RSP: 002b:00007f60156a8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 579.602427][ T4864] RAX: ffffffffffffffda RBX: 00007f60156a8ef0 RCX: 00007f60164324ca [ 579.610417][ T4864] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f60156a8eb0 [ 579.618408][ T4864] RBP: 0000000020000280 R08: 00007f60156a8ef0 R09: 0000000000008c1b [ 579.626405][ T4864] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 579.634477][ T4864] R13: 00007f60156a8eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 579.642479][ T4864] </TASK> [ 579.650720][ T4864] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 579.664143][ T4864] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 579.671781][ T4862] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 579.674799][ T4860] syz.3.215 (4860): drop_caches: 2 [ 579.685833][ T4862] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 579.762794][ T4868] loop4: detected capacity change from 0 to 32768 [ 579.857443][ T4868] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 579.887979][ T4864] syz.1.217 (4864): drop_caches: 2 [ 579.906791][ T4868] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 579.935174][ T4868] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 579.952864][ T4866] loop2: detected capacity change from 0 to 32768 [ 579.989262][ T4245] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 580.007743][ T4245] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 580.014626][ T4866] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 580.032191][ T4866] CPU: 0 PID: 4866 Comm: syz.2.218 Not tainted 5.15.176-syzkaller #0 [ 580.040308][ T4866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 580.050579][ T4866] Call Trace: [ 580.053867][ T4866] <TASK> [ 580.056806][ T4866] dump_stack_lvl+0x1e3/0x2d0 [ 580.061528][ T4866] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 580.067195][ T4866] ? panic+0x860/0x860 [ 580.071295][ T4866] ? sysfs_create_dir_ns+0x282/0x390 [ 580.076612][ T4866] sysfs_create_dir_ns+0x2c6/0x390 [ 580.081749][ T4866] ? sysfs_warn_dup+0xa0/0xa0 [ 580.086443][ T4866] ? do_raw_spin_unlock+0x137/0x8b0 [ 580.091655][ T4866] ? kobject_set_name_vargs+0xca/0x110 [ 580.097138][ T4866] kobject_add_internal+0x6e0/0xe00 [ 580.102366][ T4866] kobject_init_and_add+0x120/0x190 [ 580.107590][ T4866] ? lockdep_softirqs_off+0x420/0x420 [ 580.112978][ T4866] ? widen_string+0x3a/0x310 [ 580.113138][ T4862] syz.0.216 (4862): drop_caches: 2 [ 580.117578][ T4866] ? kobject_add+0x210/0x210 [ 580.117605][ T4866] ? __init_swait_queue_head+0xaa/0x140 [ 580.117626][ T4866] gfs2_sys_fs_add+0x237/0x4a0 [ 580.137687][ T4866] ? gfs2_recover_set+0x240/0x240 [ 580.142727][ T4866] ? snprintf+0xd6/0x120 [ 580.146995][ T4866] ? vscnprintf+0x80/0x80 [ 580.151349][ T4866] ? read_word_at_a_time+0xe/0x20 [ 580.156389][ T4866] ? strscpy+0x89/0x220 [ 580.160563][ T4866] gfs2_fill_super+0x1299/0x2750 [ 580.165537][ T4866] ? gfs2_reconfigure+0xcf0/0xcf0 [ 580.170579][ T4866] ? ptr_to_hashval+0x60/0x60 [ 580.175273][ T4866] ? up_write+0x19d/0x580 [ 580.179646][ T4866] ? set_blocksize+0x1ec/0x370 [ 580.184438][ T4866] get_tree_bdev+0x3fe/0x620 [ 580.189050][ T4866] ? gfs2_reconfigure+0xcf0/0xcf0 [ 580.194095][ T4866] gfs2_get_tree+0x50/0x210 [ 580.198620][ T4866] ? bpf_lsm_capable+0x5/0x10 [ 580.203320][ T4866] vfs_get_tree+0x88/0x270 [ 580.207751][ T4866] do_new_mount+0x2ba/0xb40 [ 580.212271][ T4866] ? do_move_mount_old+0x160/0x160 [ 580.217403][ T4866] ? user_path_at_empty+0x12b/0x180 [ 580.222610][ T4866] __se_sys_mount+0x2d5/0x3c0 [ 580.227351][ T4866] ? __x64_sys_mount+0xc0/0xc0 [ 580.232120][ T4866] ? syscall_enter_from_user_mode+0x2e/0x240 [ 580.238108][ T4866] ? lockdep_hardirqs_on+0x94/0x130 [ 580.243405][ T4866] ? __x64_sys_mount+0x1c/0xc0 [ 580.248189][ T4866] do_syscall_64+0x3b/0xb0 [ 580.252620][ T4866] ? clear_bhb_loop+0x15/0x70 [ 580.257313][ T4866] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 580.263228][ T4866] RIP: 0033:0x7f87815994ca [ 580.267659][ T4866] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 580.286117][ T4245] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 278ms [ 580.287273][ T4866] RSP: 002b:00007f878080fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 580.287296][ T4866] RAX: ffffffffffffffda RBX: 00007f878080fef0 RCX: 00007f87815994ca [ 580.287313][ T4866] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f878080feb0 [ 580.287324][ T4866] RBP: 0000000020000280 R08: 00007f878080fef0 R09: 0000000000008c1b [ 580.287335][ T4866] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 580.287347][ T4866] R13: 00007f878080feb0 R14: 00000000000127a3 R15: 0000000020000980 [ 580.287374][ T4866] </TASK> [ 580.366725][ T4866] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 580.383743][ T4866] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 580.448227][ T4245] gfs2: fsid=syz:syz.0: jid=0: Done [ 580.456950][ T4868] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 580.531687][ T4868] syz.4.219 (4868): drop_caches: 2 [ 580.680862][ T4866] syz.2.218 (4866): drop_caches: 2 [ 580.714179][ T4870] loop1: detected capacity change from 0 to 32768 [ 580.811183][ T4870] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 580.829734][ T4870] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 580.875201][ T4870] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 580.914891][ T4362] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 580.933470][ T4362] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 581.052841][ T4362] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 119ms [ 581.081680][ T4362] gfs2: fsid=syz:syz.0: jid=0: Done [ 581.100210][ T4870] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 581.151650][ T4870] syz.1.221 (4870): drop_caches: 2 [ 581.166588][ T4874] loop0: detected capacity change from 0 to 32768 [ 581.167579][ T4873] loop3: detected capacity change from 0 to 32768 [ 581.221567][ T4874] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 581.276811][ T4874] CPU: 0 PID: 4874 Comm: syz.0.222 Not tainted 5.15.176-syzkaller #0 [ 581.284927][ T4874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 581.294994][ T4874] Call Trace: [ 581.298278][ T4874] <TASK> [ 581.301208][ T4874] dump_stack_lvl+0x1e3/0x2d0 [ 581.305912][ T4874] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 581.311562][ T4874] ? panic+0x860/0x860 [ 581.315651][ T4874] ? sysfs_create_dir_ns+0x282/0x390 [ 581.320984][ T4874] sysfs_create_dir_ns+0x2c6/0x390 [ 581.326115][ T4874] ? sysfs_warn_dup+0xa0/0xa0 [ 581.330811][ T4874] ? do_raw_spin_unlock+0x137/0x8b0 [ 581.336028][ T4874] ? kobject_set_name_vargs+0xca/0x110 [ 581.341616][ T4874] kobject_add_internal+0x6e0/0xe00 [ 581.346843][ T4874] kobject_init_and_add+0x120/0x190 [ 581.352053][ T4874] ? lockdep_softirqs_off+0x420/0x420 [ 581.357437][ T4874] ? widen_string+0x3a/0x310 [ 581.362047][ T4874] ? kobject_add+0x210/0x210 [ 581.366430][ T4873] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 581.366656][ T4874] ? __init_swait_queue_head+0xaa/0x140 [ 581.366683][ T4874] gfs2_sys_fs_add+0x237/0x4a0 [ 581.366703][ T4874] ? gfs2_recover_set+0x240/0x240 [ 581.374830][ T4873] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 581.380492][ T4874] ? snprintf+0xd6/0x120 [ 581.380525][ T4874] ? vscnprintf+0x80/0x80 [ 581.380545][ T4874] ? read_word_at_a_time+0xe/0x20 [ 581.380561][ T4874] ? strscpy+0x89/0x220 [ 581.380580][ T4874] gfs2_fill_super+0x1299/0x2750 [ 581.419833][ T4874] ? gfs2_reconfigure+0xcf0/0xcf0 [ 581.424966][ T4874] ? ptr_to_hashval+0x60/0x60 [ 581.429660][ T4874] ? up_write+0x19d/0x580 [ 581.434021][ T4874] ? set_blocksize+0x1ec/0x370 [ 581.438812][ T4874] get_tree_bdev+0x3fe/0x620 [ 581.443421][ T4874] ? gfs2_reconfigure+0xcf0/0xcf0 [ 581.447083][ T4873] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 581.448460][ T4874] gfs2_get_tree+0x50/0x210 [ 581.460580][ T4874] ? bpf_lsm_capable+0x5/0x10 [ 581.465282][ T4874] vfs_get_tree+0x88/0x270 [ 581.469718][ T4874] do_new_mount+0x2ba/0xb40 [ 581.474241][ T4874] ? do_move_mount_old+0x160/0x160 [ 581.479371][ T4874] ? user_path_at_empty+0x12b/0x180 [ 581.484583][ T4874] __se_sys_mount+0x2d5/0x3c0 [ 581.487857][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 581.489269][ T4874] ? __x64_sys_mount+0xc0/0xc0 [ 581.496016][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 581.500760][ T4874] ? syscall_enter_from_user_mode+0x2e/0x240 [ 581.500783][ T4874] ? lockdep_hardirqs_on+0x94/0x130 [ 581.500802][ T4874] ? __x64_sys_mount+0x1c/0xc0 [ 581.523355][ T4874] do_syscall_64+0x3b/0xb0 [ 581.527782][ T4874] ? clear_bhb_loop+0x15/0x70 [ 581.532474][ T4874] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 581.538387][ T4874] RIP: 0033:0x7f11cb3d24ca [ 581.542822][ T4874] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 581.562444][ T4874] RSP: 002b:00007f11ca648e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 581.570883][ T4874] RAX: ffffffffffffffda RBX: 00007f11ca648ef0 RCX: 00007f11cb3d24ca [ 581.578883][ T4874] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f11ca648eb0 [ 581.586871][ T4874] RBP: 0000000020000280 R08: 00007f11ca648ef0 R09: 0000000000008c1b [ 581.594859][ T4874] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 581.602848][ T4874] R13: 00007f11ca648eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 581.610851][ T4874] </TASK> [ 581.662277][ T4874] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 581.682483][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 186ms [ 581.691830][ T4874] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 581.715546][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done [ 581.721234][ T4873] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 581.754469][ T4873] syz.3.220 (4873): drop_caches: 2 2025/01/21 02:26:41 executed programs: 220 [ 581.853742][ T4878] loop4: detected capacity change from 0 to 32768 [ 581.885087][ T4876] loop2: detected capacity change from 0 to 32768 [ 581.922880][ T4878] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 581.976692][ T4878] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 581.998671][ T4876] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 582.034248][ T4876] CPU: 0 PID: 4876 Comm: syz.2.224 Not tainted 5.15.176-syzkaller #0 [ 582.042383][ T4876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 582.052450][ T4876] Call Trace: [ 582.055744][ T4876] <TASK> [ 582.058688][ T4876] dump_stack_lvl+0x1e3/0x2d0 [ 582.063386][ T4876] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 582.069028][ T4876] ? panic+0x860/0x860 [ 582.073120][ T4876] ? sysfs_create_dir_ns+0x282/0x390 [ 582.078418][ T4876] sysfs_create_dir_ns+0x2c6/0x390 [ 582.079614][ T4878] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 582.083536][ T4876] ? sysfs_warn_dup+0xa0/0xa0 [ 582.092380][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 582.095816][ T4876] ? do_raw_spin_unlock+0x137/0x8b0 [ 582.107745][ T4876] ? kobject_set_name_vargs+0xca/0x110 [ 582.113223][ T4876] kobject_add_internal+0x6e0/0xe00 [ 582.116693][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 582.118440][ T4876] kobject_init_and_add+0x120/0x190 [ 582.130281][ T4876] ? lockdep_softirqs_off+0x420/0x420 [ 582.135671][ T4876] ? widen_string+0x3a/0x310 [ 582.140289][ T4876] ? kobject_add+0x210/0x210 [ 582.144912][ T4876] ? __init_swait_queue_head+0xaa/0x140 [ 582.150466][ T4876] gfs2_sys_fs_add+0x237/0x4a0 [ 582.155258][ T4876] ? gfs2_recover_set+0x240/0x240 [ 582.160318][ T4876] ? snprintf+0xd6/0x120 [ 582.164588][ T4876] ? vscnprintf+0x80/0x80 [ 582.168944][ T4876] ? read_word_at_a_time+0xe/0x20 [ 582.173993][ T4876] ? strscpy+0x89/0x220 [ 582.178182][ T4876] gfs2_fill_super+0x1299/0x2750 [ 582.183152][ T4876] ? gfs2_reconfigure+0xcf0/0xcf0 [ 582.188237][ T4876] ? ptr_to_hashval+0x60/0x60 [ 582.190415][ T4874] syz.0.222 (4874): drop_caches: 2 [ 582.192920][ T4876] ? up_write+0x19d/0x580 [ 582.202357][ T4876] ? set_blocksize+0x1ec/0x370 [ 582.207147][ T4876] get_tree_bdev+0x3fe/0x620 [ 582.211753][ T4876] ? gfs2_reconfigure+0xcf0/0xcf0 [ 582.216785][ T4876] gfs2_get_tree+0x50/0x210 [ 582.218406][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 101ms [ 582.221287][ T4876] ? bpf_lsm_capable+0x5/0x10 [ 582.233401][ T4876] vfs_get_tree+0x88/0x270 [ 582.237843][ T4876] do_new_mount+0x2ba/0xb40 [ 582.242368][ T4876] ? do_move_mount_old+0x160/0x160 [ 582.247498][ T4876] ? user_path_at_empty+0x12b/0x180 [ 582.247636][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done [ 582.252712][ T4876] __se_sys_mount+0x2d5/0x3c0 [ 582.262567][ T4876] ? __x64_sys_mount+0xc0/0xc0 [ 582.267348][ T4876] ? syscall_enter_from_user_mode+0x2e/0x240 [ 582.273347][ T4876] ? lockdep_hardirqs_on+0x94/0x130 [ 582.276755][ T4878] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 582.278566][ T4876] ? __x64_sys_mount+0x1c/0xc0 [ 582.290511][ T4876] do_syscall_64+0x3b/0xb0 [ 582.294948][ T4876] ? clear_bhb_loop+0x15/0x70 [ 582.299645][ T4876] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 582.305563][ T4876] RIP: 0033:0x7f87815994ca [ 582.310001][ T4876] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 582.329623][ T4876] RSP: 002b:00007f878080fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 582.338055][ T4876] RAX: ffffffffffffffda RBX: 00007f878080fef0 RCX: 00007f87815994ca [ 582.346059][ T4876] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f878080feb0 [ 582.351515][ T4878] syz.4.223 (4878): drop_caches: 2 [ 582.354043][ T4876] RBP: 0000000020000280 R08: 00007f878080fef0 R09: 0000000000008c1b [ 582.367152][ T4876] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 582.375142][ T4876] R13: 00007f878080feb0 R14: 00000000000127a3 R15: 0000000020000980 [ 582.383156][ T4876] </TASK> [ 582.442328][ T4876] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 582.526851][ T4876] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 582.704808][ T4880] loop1: detected capacity change from 0 to 32768 [ 582.758104][ T4880] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 582.790721][ T4880] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 582.811597][ T4880] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 582.829287][ T4362] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 582.836297][ T4362] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 582.866031][ T4876] syz.2.224 (4876): drop_caches: 2 [ 582.951258][ T4362] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 114ms [ 582.971468][ T4362] gfs2: fsid=syz:syz.0: jid=0: Done [ 582.976793][ T4880] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 583.018132][ T4880] syz.1.225 (4880): drop_caches: 2 [ 583.362488][ T4882] loop3: detected capacity change from 0 to 32768 [ 583.372067][ T4884] loop0: detected capacity change from 0 to 32768 [ 583.426065][ T4884] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 583.444636][ T4884] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 583.458756][ T4882] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 583.467632][ T4884] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 583.476470][ T4882] CPU: 1 PID: 4882 Comm: syz.3.226 Not tainted 5.15.176-syzkaller #0 [ 583.484566][ T4882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 583.494637][ T4882] Call Trace: [ 583.497928][ T4882] <TASK> [ 583.500888][ T4882] dump_stack_lvl+0x1e3/0x2d0 [ 583.505578][ T4882] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 583.511224][ T4882] ? panic+0x860/0x860 [ 583.515314][ T4882] ? sysfs_create_dir_ns+0x282/0x390 [ 583.520614][ T4882] sysfs_create_dir_ns+0x2c6/0x390 [ 583.525748][ T4882] ? sysfs_warn_dup+0xa0/0xa0 [ 583.530437][ T4882] ? do_raw_spin_unlock+0x137/0x8b0 [ 583.535645][ T4882] ? kobject_set_name_vargs+0xca/0x110 [ 583.541116][ T4882] kobject_add_internal+0x6e0/0xe00 [ 583.545172][ T4886] loop4: detected capacity change from 0 to 32768 [ 583.546327][ T4882] kobject_init_and_add+0x120/0x190 [ 583.557912][ T4882] ? lockdep_softirqs_off+0x420/0x420 [ 583.563335][ T4882] ? widen_string+0x3a/0x310 [ 583.567950][ T4882] ? kobject_add+0x210/0x210 [ 583.572564][ T4882] ? __init_swait_queue_head+0xaa/0x140 [ 583.578134][ T4882] gfs2_sys_fs_add+0x237/0x4a0 [ 583.582919][ T4882] ? gfs2_recover_set+0x240/0x240 [ 583.587956][ T4882] ? snprintf+0xd6/0x120 [ 583.592232][ T4882] ? vscnprintf+0x80/0x80 [ 583.596583][ T4882] ? read_word_at_a_time+0xe/0x20 [ 583.601621][ T4882] ? strscpy+0x89/0x220 [ 583.605796][ T4882] gfs2_fill_super+0x1299/0x2750 [ 583.610771][ T4882] ? gfs2_reconfigure+0xcf0/0xcf0 [ 583.615815][ T4882] ? ptr_to_hashval+0x60/0x60 [ 583.620514][ T4882] ? up_write+0x19d/0x580 [ 583.624873][ T4882] ? set_blocksize+0x1ec/0x370 [ 583.629655][ T4882] get_tree_bdev+0x3fe/0x620 [ 583.634259][ T4882] ? gfs2_reconfigure+0xcf0/0xcf0 [ 583.639353][ T4882] gfs2_get_tree+0x50/0x210 [ 583.642048][ T4888] loop2: detected capacity change from 0 to 32768 [ 583.643864][ T4882] ? bpf_lsm_capable+0x5/0x10 [ 583.643891][ T4882] vfs_get_tree+0x88/0x270 [ 583.659390][ T4882] do_new_mount+0x2ba/0xb40 [ 583.663916][ T4882] ? do_move_mount_old+0x160/0x160 [ 583.669051][ T4882] ? user_path_at_empty+0x12b/0x180 [ 583.674274][ T4882] __se_sys_mount+0x2d5/0x3c0 [ 583.677344][ T4362] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 583.678977][ T4882] ? __x64_sys_mount+0xc0/0xc0 [ 583.690478][ T4882] ? syscall_enter_from_user_mode+0x2e/0x240 [ 583.696489][ T4882] ? lockdep_hardirqs_on+0x94/0x130 [ 583.701759][ T4882] ? __x64_sys_mount+0x1c/0xc0 [ 583.702575][ T4362] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 583.706535][ T4882] do_syscall_64+0x3b/0xb0 [ 583.706560][ T4882] ? clear_bhb_loop+0x15/0x70 [ 583.706577][ T4882] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 583.706597][ T4882] RIP: 0033:0x7f58a9cdc4ca [ 583.706614][ T4882] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 583.706627][ T4882] RSP: 002b:00007f58a8f52e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 583.706647][ T4882] RAX: ffffffffffffffda RBX: 00007f58a8f52ef0 RCX: 00007f58a9cdc4ca [ 583.706659][ T4882] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f58a8f52eb0 [ 583.706670][ T4882] RBP: 0000000020000280 R08: 00007f58a8f52ef0 R09: 0000000000008c1b [ 583.706681][ T4882] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 583.706693][ T4882] R13: 00007f58a8f52eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 583.706721][ T4882] </TASK> [ 583.841968][ T4362] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 139ms [ 583.865266][ T4886] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 583.873153][ T4888] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 583.881759][ T4886] CPU: 0 PID: 4886 Comm: syz.4.228 Not tainted 5.15.176-syzkaller #0 [ 583.890811][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 583.900883][ T4886] Call Trace: [ 583.904183][ T4886] <TASK> [ 583.907125][ T4886] dump_stack_lvl+0x1e3/0x2d0 [ 583.911827][ T4886] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 583.917480][ T4886] ? panic+0x860/0x860 [ 583.921576][ T4886] ? sysfs_create_dir_ns+0x282/0x390 [ 583.926883][ T4886] sysfs_create_dir_ns+0x2c6/0x390 [ 583.932023][ T4886] ? sysfs_warn_dup+0xa0/0xa0 [ 583.936722][ T4886] ? do_raw_spin_unlock+0x137/0x8b0 [ 583.941945][ T4886] ? kobject_set_name_vargs+0xca/0x110 [ 583.947434][ T4886] kobject_add_internal+0x6e0/0xe00 [ 583.952642][ T4886] kobject_init_and_add+0x120/0x190 [ 583.957839][ T4886] ? lockdep_softirqs_off+0x420/0x420 [ 583.963225][ T4886] ? widen_string+0x3a/0x310 [ 583.967833][ T4886] ? kobject_add+0x210/0x210 [ 583.972470][ T4886] ? __init_swait_queue_head+0xaa/0x140 [ 583.978028][ T4886] gfs2_sys_fs_add+0x237/0x4a0 [ 583.982807][ T4886] ? gfs2_recover_set+0x240/0x240 [ 583.987847][ T4886] ? snprintf+0xd6/0x120 [ 583.992130][ T4886] ? vscnprintf+0x80/0x80 [ 583.996474][ T4886] ? read_word_at_a_time+0xe/0x20 [ 584.001502][ T4886] ? strscpy+0x89/0x220 [ 584.005667][ T4886] gfs2_fill_super+0x1299/0x2750 [ 584.010638][ T4886] ? gfs2_reconfigure+0xcf0/0xcf0 [ 584.015677][ T4886] ? ptr_to_hashval+0x60/0x60 [ 584.020361][ T4886] ? up_write+0x19d/0x580 [ 584.024709][ T4886] ? set_blocksize+0x1ec/0x370 [ 584.029492][ T4886] get_tree_bdev+0x3fe/0x620 [ 584.034094][ T4886] ? gfs2_reconfigure+0xcf0/0xcf0 [ 584.039128][ T4886] gfs2_get_tree+0x50/0x210 [ 584.043639][ T4886] ? bpf_lsm_capable+0x5/0x10 [ 584.048322][ T4886] vfs_get_tree+0x88/0x270 [ 584.052743][ T4886] do_new_mount+0x2ba/0xb40 [ 584.057250][ T4886] ? do_move_mount_old+0x160/0x160 [ 584.062377][ T4886] ? user_path_at_empty+0x12b/0x180 [ 584.067590][ T4886] __se_sys_mount+0x2d5/0x3c0 [ 584.072273][ T4886] ? __x64_sys_mount+0xc0/0xc0 [ 584.077035][ T4886] ? syscall_enter_from_user_mode+0x2e/0x240 [ 584.083028][ T4886] ? lockdep_hardirqs_on+0x94/0x130 [ 584.088244][ T4886] ? __x64_sys_mount+0x1c/0xc0 [ 584.093026][ T4886] do_syscall_64+0x3b/0xb0 [ 584.097453][ T4886] ? clear_bhb_loop+0x15/0x70 [ 584.102140][ T4886] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 584.108038][ T4886] RIP: 0033:0x7faa42e934ca [ 584.112464][ T4886] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 584.131972][ T4890] loop1: detected capacity change from 0 to 32768 [ 584.132065][ T4886] RSP: 002b:00007faa42109e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 584.146877][ T4886] RAX: ffffffffffffffda RBX: 00007faa42109ef0 RCX: 00007faa42e934ca [ 584.152048][ T4882] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 584.154865][ T4886] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007faa42109eb0 [ 584.176103][ T4886] RBP: 0000000020000280 R08: 00007faa42109ef0 R09: 0000000000008c1b [ 584.184078][ T4886] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 584.192060][ T4886] R13: 00007faa42109eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 584.200058][ T4886] </TASK> [ 584.209566][ T4362] gfs2: fsid=syz:syz.0: jid=0: Done [ 584.215119][ T4884] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 584.216717][ T4888] CPU: 1 PID: 4888 Comm: syz.2.229 Not tainted 5.15.176-syzkaller #0 [ 584.230393][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 584.238115][ T4886] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 584.240463][ T4888] Call Trace: [ 584.240472][ T4888] <TASK> [ 584.253691][ T4886] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 584.256829][ T4888] dump_stack_lvl+0x1e3/0x2d0 [ 584.256857][ T4888] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 584.256875][ T4888] ? panic+0x860/0x860 [ 584.256896][ T4888] ? sysfs_create_dir_ns+0x282/0x390 [ 584.256918][ T4888] sysfs_create_dir_ns+0x2c6/0x390 [ 584.256939][ T4888] ? sysfs_warn_dup+0xa0/0xa0 [ 584.260690][ T4882] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 584.266390][ T4888] ? do_raw_spin_unlock+0x137/0x8b0 [ 584.266419][ T4888] ? kobject_set_name_vargs+0xca/0x110 [ 584.280540][ T4884] syz.0.227 (4884): drop_caches: 2 [ 584.280774][ T4888] kobject_add_internal+0x6e0/0xe00 [ 584.323218][ T4888] kobject_init_and_add+0x120/0x190 [ 584.328416][ T4888] ? lockdep_softirqs_off+0x420/0x420 [ 584.333781][ T4888] ? widen_string+0x3a/0x310 [ 584.338370][ T4888] ? kobject_add+0x210/0x210 [ 584.342962][ T4888] ? __init_swait_queue_head+0xaa/0x140 [ 584.348515][ T4888] gfs2_sys_fs_add+0x237/0x4a0 [ 584.349360][ T4890] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 584.353286][ T4888] ? gfs2_recover_set+0x240/0x240 [ 584.353311][ T4888] ? snprintf+0xd6/0x120 [ 584.353334][ T4888] ? vscnprintf+0x80/0x80 [ 584.374244][ T4888] ? read_word_at_a_time+0xe/0x20 [ 584.379281][ T4888] ? strscpy+0x89/0x220 [ 584.383444][ T4888] gfs2_fill_super+0x1299/0x2750 [ 584.388400][ T4888] ? gfs2_reconfigure+0xcf0/0xcf0 [ 584.393426][ T4888] ? ptr_to_hashval+0x60/0x60 [ 584.398112][ T4888] ? up_write+0x19d/0x580 [ 584.402455][ T4888] ? set_blocksize+0x1ec/0x370 [ 584.407226][ T4888] get_tree_bdev+0x3fe/0x620 [ 584.411816][ T4888] ? gfs2_reconfigure+0xcf0/0xcf0 [ 584.416838][ T4888] gfs2_get_tree+0x50/0x210 [ 584.421342][ T4888] ? bpf_lsm_capable+0x5/0x10 [ 584.426022][ T4888] vfs_get_tree+0x88/0x270 [ 584.430444][ T4888] do_new_mount+0x2ba/0xb40 [ 584.434957][ T4888] ? do_move_mount_old+0x160/0x160 [ 584.440078][ T4888] ? user_path_at_empty+0x12b/0x180 [ 584.445288][ T4888] __se_sys_mount+0x2d5/0x3c0 [ 584.449973][ T4888] ? __x64_sys_mount+0xc0/0xc0 [ 584.454735][ T4888] ? syscall_enter_from_user_mode+0x2e/0x240 [ 584.460923][ T4888] ? lockdep_hardirqs_on+0x94/0x130 [ 584.466126][ T4888] ? __x64_sys_mount+0x1c/0xc0 [ 584.470891][ T4888] do_syscall_64+0x3b/0xb0 [ 584.475312][ T4888] ? clear_bhb_loop+0x15/0x70 [ 584.479990][ T4888] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 584.485887][ T4888] RIP: 0033:0x7f87815994ca [ 584.490320][ T4888] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 584.509925][ T4888] RSP: 002b:00007f878080fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 584.518350][ T4888] RAX: ffffffffffffffda RBX: 00007f878080fef0 RCX: 00007f87815994ca [ 584.526321][ T4888] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f878080feb0 [ 584.534293][ T4888] RBP: 0000000020000280 R08: 00007f878080fef0 R09: 0000000000008c1b [ 584.542264][ T4888] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 584.550238][ T4888] R13: 00007f878080feb0 R14: 00000000000127a3 R15: 0000000020000980 [ 584.558227][ T4888] </TASK> [ 584.561250][ T4890] CPU: 0 PID: 4890 Comm: syz.1.230 Not tainted 5.15.176-syzkaller #0 [ 584.569332][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 584.570060][ T4888] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 584.579392][ T4890] Call Trace: [ 584.579402][ T4890] <TASK> [ 584.579410][ T4890] dump_stack_lvl+0x1e3/0x2d0 [ 584.579436][ T4890] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 584.579454][ T4890] ? panic+0x860/0x860 [ 584.592675][ T4888] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 584.595816][ T4890] ? sysfs_create_dir_ns+0x282/0x390 [ 584.595843][ T4890] sysfs_create_dir_ns+0x2c6/0x390 [ 584.595863][ T4890] ? sysfs_warn_dup+0xa0/0xa0 [ 584.595880][ T4890] ? do_raw_spin_unlock+0x137/0x8b0 [ 584.595901][ T4890] ? kobject_set_name_vargs+0xca/0x110 [ 584.595925][ T4890] kobject_add_internal+0x6e0/0xe00 [ 584.595960][ T4890] kobject_init_and_add+0x120/0x190 [ 584.595980][ T4890] ? lockdep_softirqs_off+0x420/0x420 [ 584.595996][ T4890] ? widen_string+0x3a/0x310 [ 584.596017][ T4890] ? kobject_add+0x210/0x210 [ 584.596042][ T4890] ? __init_swait_queue_head+0xaa/0x140 [ 584.596064][ T4890] gfs2_sys_fs_add+0x237/0x4a0 [ 584.596084][ T4890] ? gfs2_recover_set+0x240/0x240 [ 584.596102][ T4890] ? snprintf+0xd6/0x120 [ 584.596121][ T4890] ? vscnprintf+0x80/0x80 [ 584.596141][ T4890] ? read_word_at_a_time+0xe/0x20 [ 584.596157][ T4890] ? strscpy+0x89/0x220 [ 584.596177][ T4890] gfs2_fill_super+0x1299/0x2750 [ 584.596214][ T4890] ? gfs2_reconfigure+0xcf0/0xcf0 [ 584.713546][ T4890] ? ptr_to_hashval+0x60/0x60 [ 584.718239][ T4890] ? up_write+0x19d/0x580 [ 584.722570][ T4890] ? set_blocksize+0x1ec/0x370 [ 584.727353][ T4890] get_tree_bdev+0x3fe/0x620 [ 584.731939][ T4890] ? gfs2_reconfigure+0xcf0/0xcf0 [ 584.736955][ T4890] gfs2_get_tree+0x50/0x210 [ 584.741452][ T4890] ? bpf_lsm_capable+0x5/0x10 [ 584.746120][ T4890] vfs_get_tree+0x88/0x270 [ 584.750530][ T4890] do_new_mount+0x2ba/0xb40 [ 584.755022][ T4890] ? do_move_mount_old+0x160/0x160 [ 584.760131][ T4890] ? user_path_at_empty+0x12b/0x180 [ 584.765347][ T4890] __se_sys_mount+0x2d5/0x3c0 [ 584.770017][ T4890] ? __x64_sys_mount+0xc0/0xc0 [ 584.774770][ T4890] ? syscall_enter_from_user_mode+0x2e/0x240 [ 584.780763][ T4890] ? lockdep_hardirqs_on+0x94/0x130 [ 584.785950][ T4890] ? __x64_sys_mount+0x1c/0xc0 [ 584.790705][ T4890] do_syscall_64+0x3b/0xb0 [ 584.795110][ T4890] ? clear_bhb_loop+0x15/0x70 [ 584.799772][ T4890] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 584.805655][ T4890] RIP: 0033:0x7f60164324ca [ 584.810063][ T4890] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 584.829671][ T4890] RSP: 002b:00007f60156a8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 584.838075][ T4890] RAX: ffffffffffffffda RBX: 00007f60156a8ef0 RCX: 00007f60164324ca [ 584.846039][ T4890] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f60156a8eb0 [ 584.854000][ T4890] RBP: 0000000020000280 R08: 00007f60156a8ef0 R09: 0000000000008c1b [ 584.861967][ T4890] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 584.869953][ T4890] R13: 00007f60156a8eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 584.877941][ T4890] </TASK> [ 584.887405][ T4890] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 584.907522][ T4890] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 585.139414][ T4882] syz.3.226 (4882): drop_caches: 2 [ 585.178818][ T4888] syz.2.229 (4888): drop_caches: 2 [ 585.188552][ T4886] syz.4.228 (4886): drop_caches: 2 [ 585.471160][ T4890] syz.1.230 (4890): drop_caches: 2 [ 585.993726][ T4893] loop3: detected capacity change from 0 to 32768 [ 586.090080][ T4893] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 586.119595][ T4893] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 586.164111][ T4894] loop0: detected capacity change from 0 to 32768 [ 586.172457][ T4893] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 586.178986][ T4896] loop4: detected capacity change from 0 to 32768 [ 586.207983][ T4368] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 586.214911][ T4368] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 586.215221][ T4898] loop2: detected capacity change from 0 to 32768 [ 586.275585][ T4896] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 586.282755][ T4368] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 67ms [ 586.291950][ T4368] gfs2: fsid=syz:syz.0: jid=0: Done [ 586.296088][ T4900] loop1: detected capacity change from 0 to 32768 [ 586.302024][ T4893] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 586.313810][ T4894] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 586.316340][ T4896] CPU: 1 PID: 4896 Comm: syz.4.234 Not tainted 5.15.176-syzkaller #0 [ 586.329270][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 586.339335][ T4896] Call Trace: [ 586.342617][ T4896] <TASK> [ 586.345546][ T4896] dump_stack_lvl+0x1e3/0x2d0 [ 586.350231][ T4896] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 586.354817][ T4893] syz.3.232 (4893): drop_caches: 2 [ 586.355873][ T4896] ? panic+0x860/0x860 [ 586.365027][ T4896] ? sysfs_create_dir_ns+0x282/0x390 [ 586.370317][ T4896] sysfs_create_dir_ns+0x2c6/0x390 [ 586.375445][ T4896] ? sysfs_warn_dup+0xa0/0xa0 [ 586.380139][ T4896] ? do_raw_spin_unlock+0x137/0x8b0 [ 586.385343][ T4896] ? kobject_set_name_vargs+0xca/0x110 [ 586.390813][ T4896] kobject_add_internal+0x6e0/0xe00 [ 586.396024][ T4896] kobject_init_and_add+0x120/0x190 [ 586.401220][ T4896] ? lockdep_softirqs_off+0x420/0x420 [ 586.406591][ T4896] ? widen_string+0x3a/0x310 [ 586.411189][ T4896] ? kobject_add+0x210/0x210 [ 586.415791][ T4896] ? __init_swait_queue_head+0xaa/0x140 [ 586.421346][ T4896] gfs2_sys_fs_add+0x237/0x4a0 [ 586.426125][ T4896] ? gfs2_recover_set+0x240/0x240 [ 586.431159][ T4896] ? snprintf+0xd6/0x120 [ 586.435405][ T4896] ? vscnprintf+0x80/0x80 [ 586.439746][ T4896] ? read_word_at_a_time+0xe/0x20 [ 586.444779][ T4896] ? strscpy+0x89/0x220 [ 586.448941][ T4896] gfs2_fill_super+0x1299/0x2750 [ 586.453934][ T4896] ? gfs2_reconfigure+0xcf0/0xcf0 [ 586.458982][ T4896] ? ptr_to_hashval+0x60/0x60 [ 586.463660][ T4896] ? up_write+0x19d/0x580 [ 586.468010][ T4896] ? set_blocksize+0x1ec/0x370 [ 586.472788][ T4896] get_tree_bdev+0x3fe/0x620 [ 586.477379][ T4896] ? gfs2_reconfigure+0xcf0/0xcf0 [ 586.482405][ T4896] gfs2_get_tree+0x50/0x210 [ 586.486906][ T4896] ? bpf_lsm_capable+0x5/0x10 [ 586.491589][ T4896] vfs_get_tree+0x88/0x270 [ 586.496006][ T4896] do_new_mount+0x2ba/0xb40 [ 586.500514][ T4896] ? do_move_mount_old+0x160/0x160 [ 586.505660][ T4896] ? user_path_at_empty+0x12b/0x180 [ 586.510862][ T4896] __se_sys_mount+0x2d5/0x3c0 [ 586.515548][ T4896] ? __x64_sys_mount+0xc0/0xc0 [ 586.520311][ T4896] ? syscall_enter_from_user_mode+0x2e/0x240 [ 586.526291][ T4896] ? lockdep_hardirqs_on+0x94/0x130 [ 586.531496][ T4896] ? __x64_sys_mount+0x1c/0xc0 [ 586.536289][ T4896] do_syscall_64+0x3b/0xb0 [ 586.540713][ T4896] ? clear_bhb_loop+0x15/0x70 [ 586.545400][ T4896] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 586.551309][ T4896] RIP: 0033:0x7faa42e934ca [ 586.555732][ T4896] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 586.575340][ T4896] RSP: 002b:00007faa42109e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 586.583763][ T4896] RAX: ffffffffffffffda RBX: 00007faa42109ef0 RCX: 00007faa42e934ca [ 586.591741][ T4896] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007faa42109eb0 [ 586.599731][ T4896] RBP: 0000000020000280 R08: 00007faa42109ef0 R09: 0000000000008c1b [ 586.607727][ T4896] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 586.615716][ T4896] R13: 00007faa42109eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 586.623713][ T4896] </TASK> [ 586.627350][ T4898] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 586.634730][ T4898] CPU: 1 PID: 4898 Comm: syz.2.233 Not tainted 5.15.176-syzkaller #0 [ 586.642802][ T4898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 586.652866][ T4898] Call Trace: [ 586.656149][ T4898] <TASK> [ 586.659084][ T4898] dump_stack_lvl+0x1e3/0x2d0 [ 586.663778][ T4898] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 586.669415][ T4898] ? panic+0x860/0x860 [ 586.673490][ T4898] ? sysfs_create_dir_ns+0x282/0x390 [ 586.678882][ T4898] sysfs_create_dir_ns+0x2c6/0x390 [ 586.684001][ T4898] ? sysfs_warn_dup+0xa0/0xa0 [ 586.688673][ T4898] ? do_raw_spin_unlock+0x137/0x8b0 [ 586.693880][ T4898] ? kobject_set_name_vargs+0xca/0x110 [ 586.699346][ T4898] kobject_add_internal+0x6e0/0xe00 [ 586.704557][ T4898] kobject_init_and_add+0x120/0x190 [ 586.709755][ T4898] ? lockdep_softirqs_off+0x420/0x420 [ 586.715124][ T4898] ? widen_string+0x3a/0x310 [ 586.719721][ T4898] ? kobject_add+0x210/0x210 [ 586.724323][ T4898] ? __init_swait_queue_head+0xaa/0x140 [ 586.729873][ T4898] gfs2_sys_fs_add+0x237/0x4a0 [ 586.734725][ T4898] ? gfs2_recover_set+0x240/0x240 [ 586.739754][ T4898] ? snprintf+0xd6/0x120 [ 586.744010][ T4898] ? vscnprintf+0x80/0x80 [ 586.748343][ T4898] ? read_word_at_a_time+0xe/0x20 [ 586.753370][ T4898] ? strscpy+0x89/0x220 [ 586.757660][ T4898] gfs2_fill_super+0x1299/0x2750 [ 586.762644][ T4898] ? gfs2_reconfigure+0xcf0/0xcf0 [ 586.767675][ T4898] ? ptr_to_hashval+0x60/0x60 [ 586.772367][ T4898] ? up_write+0x19d/0x580 [ 586.776726][ T4898] ? set_blocksize+0x1ec/0x370 [ 586.781497][ T4898] get_tree_bdev+0x3fe/0x620 [ 586.786089][ T4898] ? gfs2_reconfigure+0xcf0/0xcf0 [ 586.791115][ T4898] gfs2_get_tree+0x50/0x210 [ 586.795617][ T4898] ? bpf_lsm_capable+0x5/0x10 [ 586.800296][ T4898] vfs_get_tree+0x88/0x270 [ 586.804727][ T4898] do_new_mount+0x2ba/0xb40 [ 586.809233][ T4898] ? do_move_mount_old+0x160/0x160 [ 586.814343][ T4898] ? user_path_at_empty+0x12b/0x180 [ 586.819554][ T4898] __se_sys_mount+0x2d5/0x3c0 [ 586.824240][ T4898] ? __x64_sys_mount+0xc0/0xc0 [ 586.829001][ T4898] ? syscall_enter_from_user_mode+0x2e/0x240 [ 586.834983][ T4898] ? lockdep_hardirqs_on+0x94/0x130 [ 586.840181][ T4898] ? __x64_sys_mount+0x1c/0xc0 [ 586.844955][ T4898] do_syscall_64+0x3b/0xb0 [ 586.849373][ T4898] ? clear_bhb_loop+0x15/0x70 [ 586.854051][ T4898] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 586.859947][ T4898] RIP: 0033:0x7f87815994ca [ 586.864375][ T4898] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 586.883986][ T4898] RSP: 002b:00007f878080fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 586.892412][ T4898] RAX: ffffffffffffffda RBX: 00007f878080fef0 RCX: 00007f87815994ca [ 586.900388][ T4898] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f878080feb0 [ 586.908367][ T4898] RBP: 0000000020000280 R08: 00007f878080fef0 R09: 0000000000008c1b [ 586.916344][ T4898] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 586.924314][ T4898] R13: 00007f878080feb0 R14: 00000000000127a3 R15: 0000000020000980 [ 586.932309][ T4898] </TASK> [ 586.935332][ T4894] CPU: 0 PID: 4894 Comm: syz.0.231 Not tainted 5.15.176-syzkaller #0 [ 586.937729][ T4896] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 586.943405][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 586.943418][ T4894] Call Trace: [ 586.956947][ T4898] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 586.966544][ T4894] <TASK> [ 586.969913][ T4896] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 586.982901][ T4894] dump_stack_lvl+0x1e3/0x2d0 [ 586.982930][ T4894] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 586.982948][ T4894] ? panic+0x860/0x860 [ 586.982971][ T4894] ? sysfs_create_dir_ns+0x282/0x390 [ 586.985913][ T4898] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 586.992370][ T4894] sysfs_create_dir_ns+0x2c6/0x390 [ 586.992397][ T4894] ? sysfs_warn_dup+0xa0/0xa0 [ 587.028246][ T4894] ? do_raw_spin_unlock+0x137/0x8b0 [ 587.033440][ T4894] ? kobject_set_name_vargs+0xca/0x110 [ 587.038894][ T4894] kobject_add_internal+0x6e0/0xe00 [ 587.044104][ T4894] kobject_init_and_add+0x120/0x190 [ 587.049288][ T4894] ? lockdep_softirqs_off+0x420/0x420 [ 587.054643][ T4894] ? widen_string+0x3a/0x310 [ 587.059223][ T4894] ? kobject_add+0x210/0x210 [ 587.063810][ T4894] ? __init_swait_queue_head+0xaa/0x140 [ 587.069341][ T4894] gfs2_sys_fs_add+0x237/0x4a0 [ 587.074094][ T4894] ? gfs2_recover_set+0x240/0x240 [ 587.079111][ T4894] ? snprintf+0xd6/0x120 [ 587.083346][ T4894] ? vscnprintf+0x80/0x80 [ 587.087661][ T4894] ? read_word_at_a_time+0xe/0x20 [ 587.092696][ T4894] ? strscpy+0x89/0x220 [ 587.096842][ T4894] gfs2_fill_super+0x1299/0x2750 [ 587.101801][ T4894] ? gfs2_reconfigure+0xcf0/0xcf0 [ 587.106811][ T4894] ? ptr_to_hashval+0x60/0x60 [ 587.111504][ T4894] ? up_write+0x19d/0x580 [ 587.115828][ T4894] ? set_blocksize+0x1ec/0x370 [ 587.120587][ T4894] get_tree_bdev+0x3fe/0x620 [ 587.125181][ T4894] ? gfs2_reconfigure+0xcf0/0xcf0 [ 587.130198][ T4894] gfs2_get_tree+0x50/0x210 [ 587.134775][ T4894] ? bpf_lsm_capable+0x5/0x10 [ 587.139531][ T4894] vfs_get_tree+0x88/0x270 [ 587.143957][ T4894] do_new_mount+0x2ba/0xb40 [ 587.148444][ T4894] ? do_move_mount_old+0x160/0x160 [ 587.153547][ T4894] ? user_path_at_empty+0x12b/0x180 [ 587.158826][ T4894] __se_sys_mount+0x2d5/0x3c0 [ 587.163505][ T4894] ? __x64_sys_mount+0xc0/0xc0 [ 587.168254][ T4894] ? syscall_enter_from_user_mode+0x2e/0x240 [ 587.174222][ T4894] ? lockdep_hardirqs_on+0x94/0x130 [ 587.179427][ T4894] ? __x64_sys_mount+0x1c/0xc0 [ 587.184183][ T4894] do_syscall_64+0x3b/0xb0 [ 587.188584][ T4894] ? clear_bhb_loop+0x15/0x70 [ 587.193248][ T4894] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 587.199154][ T4894] RIP: 0033:0x7f11cb3d24ca [ 587.203579][ T4894] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 587.223168][ T4894] RSP: 002b:00007f11ca648e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 587.231574][ T4894] RAX: ffffffffffffffda RBX: 00007f11ca648ef0 RCX: 00007f11cb3d24ca [ 587.239556][ T4894] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f11ca648eb0 [ 587.247515][ T4894] RBP: 0000000020000280 R08: 00007f11ca648ef0 R09: 0000000000008c1b [ 587.255470][ T4894] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 587.263571][ T4894] R13: 00007f11ca648eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 587.271548][ T4894] </TASK> [ 587.278524][ T4894] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 587.292963][ T4894] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 587.361380][ T4900] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 587.387884][ T4900] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 587.465621][ T4900] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 587.508856][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 587.515885][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 587.602788][ T4896] syz.4.234 (4896): drop_caches: 2 [ 587.632891][ T4894] syz.0.231 (4894): drop_caches: 2 2025/01/21 02:26:46 executed programs: 231 [ 587.668663][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 152ms [ 587.676328][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 587.691191][ T4900] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 587.716022][ T4898] syz.2.233 (4898): drop_caches: 2 [ 587.744461][ T4900] syz.1.235 (4900): drop_caches: 2 [ 588.165102][ T4902] loop3: detected capacity change from 0 to 32768 [ 588.241127][ T4902] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 588.286235][ T4902] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 588.329591][ T4902] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 588.357928][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 588.364738][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 588.472655][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 107ms [ 588.482100][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 588.504793][ T4902] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 588.565464][ T4902] syz.3.236 (4902): drop_caches: 2 [ 588.710068][ T4904] loop4: detected capacity change from 0 to 32768 [ 588.741662][ T4906] loop0: detected capacity change from 0 to 32768 [ 588.818453][ T4906] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 588.821486][ T4904] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 588.851364][ T4908] loop2: detected capacity change from 0 to 32768 [ 588.852549][ T4906] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 588.858242][ T4904] CPU: 1 PID: 4904 Comm: syz.4.237 Not tainted 5.15.176-syzkaller #0 [ 588.873000][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 588.883071][ T4904] Call Trace: [ 588.886359][ T4904] <TASK> [ 588.889314][ T4904] dump_stack_lvl+0x1e3/0x2d0 [ 588.894006][ T4904] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 588.899654][ T4904] ? panic+0x860/0x860 [ 588.903749][ T4904] ? sysfs_create_dir_ns+0x282/0x390 [ 588.905760][ T4906] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 588.909049][ T4904] sysfs_create_dir_ns+0x2c6/0x390 [ 588.909078][ T4904] ? sysfs_warn_dup+0xa0/0xa0 [ 588.909096][ T4904] ? do_raw_spin_unlock+0x137/0x8b0 [ 588.909115][ T4904] ? kobject_set_name_vargs+0xca/0x110 [ 588.909140][ T4904] kobject_add_internal+0x6e0/0xe00 [ 588.909163][ T4904] kobject_init_and_add+0x120/0x190 [ 588.909181][ T4904] ? lockdep_softirqs_off+0x420/0x420 [ 588.909196][ T4904] ? widen_string+0x3a/0x310 [ 588.909218][ T4904] ? kobject_add+0x210/0x210 [ 588.909244][ T4904] ? __init_swait_queue_head+0xaa/0x140 [ 588.909265][ T4904] gfs2_sys_fs_add+0x237/0x4a0 [ 588.909284][ T4904] ? gfs2_recover_set+0x240/0x240 [ 588.943491][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 588.947675][ T4904] ? snprintf+0xd6/0x120 [ 588.947707][ T4904] ? vscnprintf+0x80/0x80 [ 588.947727][ T4904] ? read_word_at_a_time+0xe/0x20 [ 588.947744][ T4904] ? strscpy+0x89/0x220 [ 588.947762][ T4904] gfs2_fill_super+0x1299/0x2750 [ 588.947796][ T4904] ? gfs2_reconfigure+0xcf0/0xcf0 [ 588.947812][ T4904] ? ptr_to_hashval+0x60/0x60 [ 588.961894][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 588.962325][ T4904] ? up_write+0x19d/0x580 [ 589.027617][ T4904] ? set_blocksize+0x1ec/0x370 [ 589.032412][ T4904] get_tree_bdev+0x3fe/0x620 [ 589.037034][ T4904] ? gfs2_reconfigure+0xcf0/0xcf0 [ 589.042076][ T4904] gfs2_get_tree+0x50/0x210 [ 589.046589][ T4904] ? bpf_lsm_capable+0x5/0x10 [ 589.051286][ T4904] vfs_get_tree+0x88/0x270 [ 589.055723][ T4904] do_new_mount+0x2ba/0xb40 [ 589.060250][ T4904] ? do_move_mount_old+0x160/0x160 [ 589.065379][ T4904] ? user_path_at_empty+0x12b/0x180 [ 589.070608][ T4904] __se_sys_mount+0x2d5/0x3c0 [ 589.071161][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 109ms [ 589.075299][ T4904] ? __x64_sys_mount+0xc0/0xc0 [ 589.075320][ T4904] ? syscall_enter_from_user_mode+0x2e/0x240 [ 589.075340][ T4904] ? lockdep_hardirqs_on+0x94/0x130 [ 589.075359][ T4904] ? __x64_sys_mount+0x1c/0xc0 [ 589.103455][ T4904] do_syscall_64+0x3b/0xb0 [ 589.107884][ T4904] ? clear_bhb_loop+0x15/0x70 [ 589.112570][ T4904] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 589.118476][ T4904] RIP: 0033:0x7faa42e934ca [ 589.122443][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 589.122900][ T4904] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 589.139977][ T4910] loop1: detected capacity change from 0 to 32768 [ 589.147669][ T4904] RSP: 002b:00007faa42109e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 589.147695][ T4904] RAX: ffffffffffffffda RBX: 00007faa42109ef0 RCX: 00007faa42e934ca [ 589.147708][ T4904] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007faa42109eb0 [ 589.147720][ T4904] RBP: 0000000020000280 R08: 00007faa42109ef0 R09: 0000000000008c1b [ 589.147732][ T4904] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 589.147743][ T4904] R13: 00007faa42109eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 589.147767][ T4904] </TASK> [ 589.207653][ T4906] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 589.228729][ T4906] syz.0.238 (4906): drop_caches: 2 [ 589.234442][ T4908] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 589.258550][ T4908] CPU: 1 PID: 4908 Comm: syz.2.239 Not tainted 5.15.176-syzkaller #0 [ 589.266662][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 589.276727][ T4908] Call Trace: [ 589.276848][ T4904] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 589.280027][ T4908] <TASK> [ 589.280037][ T4908] dump_stack_lvl+0x1e3/0x2d0 [ 589.300712][ T4908] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 589.303237][ T4904] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 589.306358][ T4908] ? panic+0x860/0x860 [ 589.306388][ T4908] ? sysfs_create_dir_ns+0x282/0x390 [ 589.306418][ T4908] sysfs_create_dir_ns+0x2c6/0x390 [ 589.306439][ T4908] ? sysfs_warn_dup+0xa0/0xa0 [ 589.306458][ T4908] ? do_raw_spin_unlock+0x137/0x8b0 [ 589.306477][ T4908] ? kobject_set_name_vargs+0xca/0x110 [ 589.306503][ T4908] kobject_add_internal+0x6e0/0xe00 [ 589.306528][ T4908] kobject_init_and_add+0x120/0x190 [ 589.306548][ T4908] ? lockdep_softirqs_off+0x420/0x420 [ 589.306565][ T4908] ? widen_string+0x3a/0x310 [ 589.306586][ T4908] ? kobject_add+0x210/0x210 [ 589.306610][ T4908] ? __init_swait_queue_head+0xaa/0x140 [ 589.306629][ T4908] gfs2_sys_fs_add+0x237/0x4a0 [ 589.306646][ T4908] ? gfs2_recover_set+0x240/0x240 [ 589.306662][ T4908] ? snprintf+0xd6/0x120 [ 589.306685][ T4908] ? vscnprintf+0x80/0x80 [ 589.306708][ T4908] ? read_word_at_a_time+0xe/0x20 [ 589.306726][ T4908] ? strscpy+0x89/0x220 [ 589.306747][ T4908] gfs2_fill_super+0x1299/0x2750 [ 589.306785][ T4908] ? gfs2_reconfigure+0xcf0/0xcf0 [ 589.306804][ T4908] ? ptr_to_hashval+0x60/0x60 [ 589.306823][ T4908] ? up_write+0x19d/0x580 [ 589.306859][ T4908] ? set_blocksize+0x1ec/0x370 [ 589.306888][ T4908] get_tree_bdev+0x3fe/0x620 [ 589.306907][ T4908] ? gfs2_reconfigure+0xcf0/0xcf0 [ 589.306927][ T4908] gfs2_get_tree+0x50/0x210 [ 589.306944][ T4908] ? bpf_lsm_capable+0x5/0x10 [ 589.306965][ T4908] vfs_get_tree+0x88/0x270 [ 589.306984][ T4908] do_new_mount+0x2ba/0xb40 [ 589.307007][ T4908] ? do_move_mount_old+0x160/0x160 [ 589.307029][ T4908] ? user_path_at_empty+0x12b/0x180 [ 589.438670][ T4912] loop3: detected capacity change from 0 to 32768 [ 589.438925][ T4908] __se_sys_mount+0x2d5/0x3c0 [ 589.445793][ T4910] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 589.447992][ T4908] ? __x64_sys_mount+0xc0/0xc0 [ 589.448017][ T4908] ? syscall_enter_from_user_mode+0x2e/0x240 [ 589.448036][ T4908] ? lockdep_hardirqs_on+0x94/0x130 [ 589.448054][ T4908] ? __x64_sys_mount+0x1c/0xc0 [ 589.448070][ T4908] do_syscall_64+0x3b/0xb0 [ 589.454695][ T4910] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 589.457665][ T4908] ? clear_bhb_loop+0x15/0x70 [ 589.457691][ T4908] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 589.457710][ T4908] RIP: 0033:0x7f87815994ca [ 589.457727][ T4908] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 589.467050][ T4910] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 589.469329][ T4908] RSP: 002b:00007f878080fe68 EFLAGS: 00000246 [ 589.475258][ T4367] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 589.482149][ T4908] ORIG_RAX: 00000000000000a5 [ 589.482162][ T4908] RAX: ffffffffffffffda RBX: 00007f878080fef0 RCX: 00007f87815994ca [ 589.482174][ T4908] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f878080feb0 [ 589.482185][ T4908] RBP: 0000000020000280 R08: 00007f878080fef0 R09: 0000000000008c1b [ 589.482196][ T4908] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 589.482207][ T4908] R13: 00007f878080feb0 R14: 00000000000127a3 R15: 0000000020000980 [ 589.482233][ T4908] </TASK> [ 589.488062][ T4367] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 589.520350][ T4908] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 589.581403][ T4367] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 93ms [ 589.584307][ T4908] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 589.591959][ T4367] gfs2: fsid=syz:syz.0: jid=0: Done [ 589.660852][ T4912] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 589.674481][ T4912] CPU: 1 PID: 4912 Comm: syz.3.241 Not tainted 5.15.176-syzkaller #0 [ 589.682584][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 589.692645][ T4912] Call Trace: [ 589.695929][ T4912] <TASK> [ 589.698864][ T4912] dump_stack_lvl+0x1e3/0x2d0 [ 589.703580][ T4912] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 589.709226][ T4912] ? panic+0x860/0x860 [ 589.713311][ T4912] ? sysfs_create_dir_ns+0x282/0x390 [ 589.718617][ T4912] sysfs_create_dir_ns+0x2c6/0x390 [ 589.723743][ T4912] ? sysfs_warn_dup+0xa0/0xa0 [ 589.728424][ T4912] ? do_raw_spin_unlock+0x137/0x8b0 [ 589.733625][ T4912] ? kobject_set_name_vargs+0xca/0x110 [ 589.739187][ T4912] kobject_add_internal+0x6e0/0xe00 [ 589.744408][ T4912] kobject_init_and_add+0x120/0x190 [ 589.749625][ T4912] ? lockdep_softirqs_off+0x420/0x420 [ 589.755009][ T4912] ? widen_string+0x3a/0x310 [ 589.755610][ T4910] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 589.759613][ T4912] ? kobject_add+0x210/0x210 [ 589.759643][ T4912] ? __init_swait_queue_head+0xaa/0x140 [ 589.759663][ T4912] gfs2_sys_fs_add+0x237/0x4a0 [ 589.759683][ T4912] ? gfs2_recover_set+0x240/0x240 [ 589.786778][ T4912] ? snprintf+0xd6/0x120 [ 589.791042][ T4912] ? vscnprintf+0x80/0x80 [ 589.795397][ T4912] ? read_word_at_a_time+0xe/0x20 [ 589.800440][ T4912] ? strscpy+0x89/0x220 [ 589.804610][ T4912] gfs2_fill_super+0x1299/0x2750 [ 589.809573][ T4912] ? gfs2_reconfigure+0xcf0/0xcf0 [ 589.814614][ T4912] ? ptr_to_hashval+0x60/0x60 [ 589.819310][ T4912] ? up_write+0x19d/0x580 [ 589.823681][ T4912] ? set_blocksize+0x1ec/0x370 [ 589.828475][ T4912] get_tree_bdev+0x3fe/0x620 [ 589.833093][ T4912] ? gfs2_reconfigure+0xcf0/0xcf0 [ 589.838136][ T4912] gfs2_get_tree+0x50/0x210 [ 589.842656][ T4912] ? bpf_lsm_capable+0x5/0x10 [ 589.847358][ T4912] vfs_get_tree+0x88/0x270 [ 589.851791][ T4912] do_new_mount+0x2ba/0xb40 [ 589.856314][ T4912] ? do_move_mount_old+0x160/0x160 [ 589.861445][ T4912] ? user_path_at_empty+0x12b/0x180 [ 589.866650][ T4912] __se_sys_mount+0x2d5/0x3c0 [ 589.871341][ T4912] ? __x64_sys_mount+0xc0/0xc0 [ 589.876122][ T4912] ? syscall_enter_from_user_mode+0x2e/0x240 [ 589.882116][ T4912] ? lockdep_hardirqs_on+0x94/0x130 [ 589.887333][ T4912] ? __x64_sys_mount+0x1c/0xc0 [ 589.892123][ T4912] do_syscall_64+0x3b/0xb0 [ 589.896560][ T4912] ? clear_bhb_loop+0x15/0x70 [ 589.901247][ T4912] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 589.907162][ T4912] RIP: 0033:0x7f58a9cdc4ca [ 589.911589][ T4912] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 589.931209][ T4912] RSP: 002b:00007f58a8f52e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 589.939644][ T4912] RAX: ffffffffffffffda RBX: 00007f58a8f52ef0 RCX: 00007f58a9cdc4ca [ 589.947631][ T4912] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f58a8f52eb0 [ 589.955620][ T4912] RBP: 0000000020000280 R08: 00007f58a8f52ef0 R09: 0000000000008c1b [ 589.963611][ T4912] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 589.971597][ T4912] R13: 00007f58a8f52eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 589.977244][ T4910] syz.1.240 (4910): drop_caches: 2 [ 589.979589][ T4912] </TASK> [ 589.990609][ T4912] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 590.052226][ T4912] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 590.163439][ T4904] syz.4.237 (4904): drop_caches: 2 [ 590.279196][ T4908] syz.2.239 (4908): drop_caches: 2 [ 590.402367][ T4912] syz.3.241 (4912): drop_caches: 2 [ 590.681562][ T4914] loop0: detected capacity change from 0 to 32768 [ 590.771053][ T4914] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 590.804824][ T4914] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 590.834569][ T4914] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 590.860057][ T4368] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 590.879236][ T4368] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 591.000892][ T4368] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 121ms [ 591.023162][ T4368] gfs2: fsid=syz:syz.0: jid=0: Done [ 591.038959][ T4914] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 591.110240][ T4914] syz.0.242 (4914): drop_caches: 2 [ 591.181266][ T4916] loop4: detected capacity change from 0 to 32768 [ 591.208012][ T4920] loop2: detected capacity change from 0 to 32768 [ 591.270351][ T4922] loop3: detected capacity change from 0 to 32768 [ 591.272077][ T4916] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 591.278758][ T4918] loop1: detected capacity change from 0 to 32768 [ 591.292455][ T4916] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 591.299926][ T4920] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 591.308150][ T4920] CPU: 1 PID: 4920 Comm: syz.2.245 Not tainted 5.15.176-syzkaller #0 [ 591.316248][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 591.326318][ T4920] Call Trace: [ 591.329612][ T4920] <TASK> [ 591.332546][ T4920] dump_stack_lvl+0x1e3/0x2d0 [ 591.337308][ T4920] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 591.342956][ T4920] ? panic+0x860/0x860 [ 591.347045][ T4920] ? sysfs_create_dir_ns+0x282/0x390 [ 591.352346][ T4920] sysfs_create_dir_ns+0x2c6/0x390 [ 591.357478][ T4920] ? sysfs_warn_dup+0xa0/0xa0 [ 591.362169][ T4920] ? do_raw_spin_unlock+0x137/0x8b0 [ 591.367381][ T4920] ? kobject_set_name_vargs+0xca/0x110 [ 591.372950][ T4920] kobject_add_internal+0x6e0/0xe00 [ 591.373025][ T4916] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 591.378169][ T4920] kobject_init_and_add+0x120/0x190 [ 591.378191][ T4920] ? lockdep_softirqs_off+0x420/0x420 [ 591.378207][ T4920] ? widen_string+0x3a/0x310 [ 591.378226][ T4920] ? kobject_add+0x210/0x210 [ 591.378248][ T4920] ? __init_swait_queue_head+0xaa/0x140 [ 591.378268][ T4920] gfs2_sys_fs_add+0x237/0x4a0 [ 591.378286][ T4920] ? gfs2_recover_set+0x240/0x240 [ 591.378303][ T4920] ? snprintf+0xd6/0x120 [ 591.378324][ T4920] ? vscnprintf+0x80/0x80 [ 591.378345][ T4920] ? read_word_at_a_time+0xe/0x20 [ 591.378363][ T4920] ? strscpy+0x89/0x220 [ 591.378383][ T4920] gfs2_fill_super+0x1299/0x2750 [ 591.378422][ T4920] ? gfs2_reconfigure+0xcf0/0xcf0 [ 591.378446][ T4920] ? ptr_to_hashval+0x60/0x60 [ 591.378466][ T4920] ? up_write+0x19d/0x580 [ 591.378500][ T4920] ? set_blocksize+0x1ec/0x370 [ 591.378528][ T4920] get_tree_bdev+0x3fe/0x620 [ 591.378548][ T4920] ? gfs2_reconfigure+0xcf0/0xcf0 [ 591.413029][ T4362] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 591.416171][ T4920] gfs2_get_tree+0x50/0x210 [ 591.421370][ T4362] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 591.425440][ T4920] ? bpf_lsm_capable+0x5/0x10 [ 591.425467][ T4920] vfs_get_tree+0x88/0x270 [ 591.499096][ T4920] do_new_mount+0x2ba/0xb40 [ 591.503626][ T4920] ? do_move_mount_old+0x160/0x160 [ 591.505075][ T4362] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 83ms [ 591.508756][ T4920] ? user_path_at_empty+0x12b/0x180 [ 591.508783][ T4920] __se_sys_mount+0x2d5/0x3c0 [ 591.508804][ T4920] ? __x64_sys_mount+0xc0/0xc0 [ 591.508821][ T4920] ? syscall_enter_from_user_mode+0x2e/0x240 [ 591.508841][ T4920] ? lockdep_hardirqs_on+0x94/0x130 [ 591.508861][ T4920] ? __x64_sys_mount+0x1c/0xc0 [ 591.508880][ T4920] do_syscall_64+0x3b/0xb0 [ 591.522202][ T4362] gfs2: fsid=syz:syz.0: jid=0: Done [ 591.526080][ T4920] ? clear_bhb_loop+0x15/0x70 [ 591.530918][ T4916] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 591.536785][ T4920] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 591.536812][ T4920] RIP: 0033:0x7f87815994ca [ 591.536829][ T4920] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 591.536844][ T4920] RSP: 002b:00007f878080fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 591.536864][ T4920] RAX: ffffffffffffffda RBX: 00007f878080fef0 RCX: 00007f87815994ca [ 591.536878][ T4920] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f878080feb0 [ 591.536888][ T4920] RBP: 0000000020000280 R08: 00007f878080fef0 R09: 0000000000008c1b [ 591.536899][ T4920] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 591.536911][ T4920] R13: 00007f878080feb0 R14: 00000000000127a3 R15: 0000000020000980 [ 591.536939][ T4920] </TASK> [ 591.617577][ T4922] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 591.646815][ T4920] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 591.671039][ T4922] CPU: 1 PID: 4922 Comm: syz.3.246 Not tainted 5.15.176-syzkaller #0 [ 591.679906][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 591.686739][ T4920] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 591.689981][ T4922] Call Trace: [ 591.689991][ T4922] <TASK> [ 591.702674][ T4922] dump_stack_lvl+0x1e3/0x2d0 [ 591.707369][ T4922] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 591.713012][ T4922] ? panic+0x860/0x860 [ 591.717092][ T4922] ? sysfs_create_dir_ns+0x282/0x390 [ 591.722410][ T4922] sysfs_create_dir_ns+0x2c6/0x390 [ 591.727530][ T4922] ? sysfs_warn_dup+0xa0/0xa0 [ 591.732217][ T4922] ? do_raw_spin_unlock+0x137/0x8b0 [ 591.737422][ T4922] ? kobject_set_name_vargs+0xca/0x110 [ 591.742910][ T4922] kobject_add_internal+0x6e0/0xe00 [ 591.748248][ T4922] kobject_init_and_add+0x120/0x190 [ 591.753480][ T4922] ? lockdep_softirqs_off+0x420/0x420 [ 591.758065][ T4918] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 591.758864][ T4922] ? widen_string+0x3a/0x310 [ 591.770801][ T4922] ? kobject_add+0x210/0x210 [ 591.775416][ T4922] ? __init_swait_queue_head+0xaa/0x140 [ 591.780990][ T4922] gfs2_sys_fs_add+0x237/0x4a0 [ 591.783986][ T4916] syz.4.244 (4916): drop_caches: 2 [ 591.785771][ T4922] ? gfs2_recover_set+0x240/0x240 [ 591.795879][ T4922] ? snprintf+0xd6/0x120 [ 591.800147][ T4922] ? vscnprintf+0x80/0x80 [ 591.804500][ T4922] ? read_word_at_a_time+0xe/0x20 [ 591.809533][ T4922] ? strscpy+0x89/0x220 [ 591.813708][ T4922] gfs2_fill_super+0x1299/0x2750 [ 591.818685][ T4922] ? gfs2_reconfigure+0xcf0/0xcf0 [ 591.823735][ T4922] ? ptr_to_hashval+0x60/0x60 [ 591.828432][ T4922] ? up_write+0x19d/0x580 [ 591.832801][ T4922] ? set_blocksize+0x1ec/0x370 [ 591.837587][ T4922] get_tree_bdev+0x3fe/0x620 [ 591.842196][ T4922] ? gfs2_reconfigure+0xcf0/0xcf0 [ 591.847241][ T4922] gfs2_get_tree+0x50/0x210 [ 591.851767][ T4922] ? bpf_lsm_capable+0x5/0x10 [ 591.856467][ T4922] vfs_get_tree+0x88/0x270 [ 591.860908][ T4922] do_new_mount+0x2ba/0xb40 [ 591.865525][ T4922] ? do_move_mount_old+0x160/0x160 [ 591.870651][ T4922] ? user_path_at_empty+0x12b/0x180 [ 591.875997][ T4922] __se_sys_mount+0x2d5/0x3c0 [ 591.880697][ T4922] ? __x64_sys_mount+0xc0/0xc0 [ 591.885481][ T4922] ? syscall_enter_from_user_mode+0x2e/0x240 [ 591.891479][ T4922] ? lockdep_hardirqs_on+0x94/0x130 [ 591.896686][ T4922] ? __x64_sys_mount+0x1c/0xc0 [ 591.901459][ T4922] do_syscall_64+0x3b/0xb0 [ 591.905892][ T4922] ? clear_bhb_loop+0x15/0x70 [ 591.910582][ T4922] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 591.916483][ T4922] RIP: 0033:0x7f58a9cdc4ca [ 591.920904][ T4922] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 591.940729][ T4922] RSP: 002b:00007f58a8f52e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 591.949164][ T4922] RAX: ffffffffffffffda RBX: 00007f58a8f52ef0 RCX: 00007f58a9cdc4ca [ 591.957161][ T4922] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f58a8f52eb0 [ 591.965139][ T4922] RBP: 0000000020000280 R08: 00007f58a8f52ef0 R09: 0000000000008c1b [ 591.973114][ T4922] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 591.981101][ T4922] R13: 00007f58a8f52eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 591.989245][ T4922] </TASK> [ 591.995175][ T4922] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 592.008714][ T4922] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 592.016785][ T4918] CPU: 1 PID: 4918 Comm: syz.1.243 Not tainted 5.15.176-syzkaller #0 [ 592.024882][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 592.034946][ T4918] Call Trace: [ 592.038235][ T4918] <TASK> [ 592.041168][ T4918] dump_stack_lvl+0x1e3/0x2d0 [ 592.045860][ T4918] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 592.051511][ T4918] ? panic+0x860/0x860 [ 592.055603][ T4918] ? sysfs_create_dir_ns+0x282/0x390 [ 592.060903][ T4918] sysfs_create_dir_ns+0x2c6/0x390 [ 592.066032][ T4918] ? sysfs_warn_dup+0xa0/0xa0 [ 592.070721][ T4918] ? do_raw_spin_unlock+0x137/0x8b0 [ 592.075949][ T4918] ? kobject_set_name_vargs+0xca/0x110 [ 592.081431][ T4918] kobject_add_internal+0x6e0/0xe00 [ 592.086653][ T4918] kobject_init_and_add+0x120/0x190 [ 592.091864][ T4918] ? lockdep_softirqs_off+0x420/0x420 [ 592.097243][ T4918] ? widen_string+0x3a/0x310 [ 592.101847][ T4918] ? kobject_add+0x210/0x210 [ 592.106458][ T4918] ? __init_swait_queue_head+0xaa/0x140 [ 592.112017][ T4918] gfs2_sys_fs_add+0x237/0x4a0 [ 592.116797][ T4918] ? gfs2_recover_set+0x240/0x240 [ 592.121829][ T4918] ? snprintf+0xd6/0x120 [ 592.126084][ T4918] ? vscnprintf+0x80/0x80 [ 592.130426][ T4918] ? read_word_at_a_time+0xe/0x20 [ 592.135465][ T4918] ? strscpy+0x89/0x220 [ 592.139634][ T4918] gfs2_fill_super+0x1299/0x2750 [ 592.144528][ T4924] loop0: detected capacity change from 0 to 32768 [ 592.144592][ T4918] ? gfs2_reconfigure+0xcf0/0xcf0 [ 592.155996][ T4918] ? ptr_to_hashval+0x60/0x60 [ 592.160696][ T4918] ? up_write+0x19d/0x580 [ 592.165058][ T4918] ? set_blocksize+0x1ec/0x370 [ 592.169840][ T4918] get_tree_bdev+0x3fe/0x620 [ 592.174428][ T4918] ? gfs2_reconfigure+0xcf0/0xcf0 [ 592.179465][ T4918] gfs2_get_tree+0x50/0x210 [ 592.183973][ T4918] ? bpf_lsm_capable+0x5/0x10 [ 592.188641][ T4918] vfs_get_tree+0x88/0x270 [ 592.193045][ T4918] do_new_mount+0x2ba/0xb40 [ 592.197548][ T4918] ? do_move_mount_old+0x160/0x160 [ 592.202662][ T4918] ? user_path_at_empty+0x12b/0x180 [ 592.207850][ T4918] __se_sys_mount+0x2d5/0x3c0 [ 592.212512][ T4918] ? __x64_sys_mount+0xc0/0xc0 [ 592.217267][ T4918] ? syscall_enter_from_user_mode+0x2e/0x240 [ 592.223251][ T4918] ? lockdep_hardirqs_on+0x94/0x130 [ 592.228444][ T4918] ? __x64_sys_mount+0x1c/0xc0 [ 592.233194][ T4918] do_syscall_64+0x3b/0xb0 [ 592.237599][ T4918] ? clear_bhb_loop+0x15/0x70 [ 592.242276][ T4918] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 592.248159][ T4918] RIP: 0033:0x7f60164324ca [ 592.252565][ T4918] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 592.272200][ T4918] RSP: 002b:00007f60156a8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 592.280617][ T4918] RAX: ffffffffffffffda RBX: 00007f60156a8ef0 RCX: 00007f60164324ca [ 592.288599][ T4918] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f60156a8eb0 [ 592.296598][ T4918] RBP: 0000000020000280 R08: 00007f60156a8ef0 R09: 0000000000008c1b [ 592.304585][ T4918] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 592.312582][ T4918] R13: 00007f60156a8eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 592.320668][ T4918] </TASK> [ 592.326105][ T4918] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 592.339451][ T4918] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 592.385872][ T4924] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 592.441477][ T4924] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 592.502669][ T4924] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 592.525125][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 592.536834][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 592.549268][ T4920] syz.2.245 (4920): drop_caches: 2 [ 592.652461][ T4918] syz.1.243 (4918): drop_caches: 2 [ 592.663821][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 126ms 2025/01/21 02:26:51 executed programs: 244 [ 592.699684][ T4922] syz.3.246 (4922): drop_caches: 2 [ 592.700044][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 592.764652][ T4924] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 592.802726][ T4924] syz.0.247 (4924): drop_caches: 2 [ 593.362810][ T4926] loop2: detected capacity change from 0 to 32768 [ 593.441690][ T4926] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 593.460868][ T4926] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 593.503419][ T4926] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 593.531917][ T4200] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 593.538921][ T4200] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 593.631245][ T4928] loop4: detected capacity change from 0 to 32768 [ 593.644248][ T4200] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 105ms [ 593.667158][ T4200] gfs2: fsid=syz:syz.0: jid=0: Done [ 593.677303][ T4926] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 593.695985][ T4926] syz.2.249 (4926): drop_caches: 2 [ 593.720694][ T4928] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 593.764849][ T4930] loop1: detected capacity change from 0 to 32768 [ 593.778173][ T4928] CPU: 0 PID: 4928 Comm: syz.4.248 Not tainted 5.15.176-syzkaller #0 [ 593.786292][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 593.796360][ T4928] Call Trace: [ 593.799656][ T4928] <TASK> [ 593.802597][ T4928] dump_stack_lvl+0x1e3/0x2d0 [ 593.807299][ T4928] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 593.812977][ T4928] ? panic+0x860/0x860 [ 593.817084][ T4928] ? sysfs_create_dir_ns+0x282/0x390 [ 593.822392][ T4928] sysfs_create_dir_ns+0x2c6/0x390 [ 593.827525][ T4928] ? sysfs_warn_dup+0xa0/0xa0 [ 593.832226][ T4928] ? do_raw_spin_unlock+0x137/0x8b0 [ 593.837536][ T4928] ? kobject_set_name_vargs+0xca/0x110 [ 593.843025][ T4928] kobject_add_internal+0x6e0/0xe00 [ 593.848244][ T4928] kobject_init_and_add+0x120/0x190 [ 593.853464][ T4928] ? lockdep_softirqs_off+0x420/0x420 [ 593.857184][ T4932] loop3: detected capacity change from 0 to 32768 [ 593.858855][ T4928] ? widen_string+0x3a/0x310 [ 593.869856][ T4928] ? kobject_add+0x210/0x210 [ 593.874472][ T4928] ? __init_swait_queue_head+0xaa/0x140 [ 593.880043][ T4928] gfs2_sys_fs_add+0x237/0x4a0 [ 593.884828][ T4928] ? gfs2_recover_set+0x240/0x240 [ 593.889872][ T4928] ? snprintf+0xd6/0x120 [ 593.894150][ T4928] ? vscnprintf+0x80/0x80 [ 593.898506][ T4928] ? read_word_at_a_time+0xe/0x20 [ 593.903543][ T4928] ? strscpy+0x89/0x220 [ 593.907721][ T4928] gfs2_fill_super+0x1299/0x2750 [ 593.912700][ T4928] ? gfs2_reconfigure+0xcf0/0xcf0 [ 593.917743][ T4928] ? ptr_to_hashval+0x60/0x60 [ 593.922444][ T4928] ? up_write+0x19d/0x580 [ 593.926811][ T4928] ? set_blocksize+0x1ec/0x370 [ 593.931592][ T4928] get_tree_bdev+0x3fe/0x620 [ 593.936182][ T4928] ? gfs2_reconfigure+0xcf0/0xcf0 [ 593.941223][ T4928] gfs2_get_tree+0x50/0x210 [ 593.945729][ T4928] ? bpf_lsm_capable+0x5/0x10 [ 593.950401][ T4928] vfs_get_tree+0x88/0x270 [ 593.954817][ T4928] do_new_mount+0x2ba/0xb40 [ 593.959317][ T4928] ? do_move_mount_old+0x160/0x160 [ 593.964528][ T4928] ? user_path_at_empty+0x12b/0x180 [ 593.969722][ T4928] __se_sys_mount+0x2d5/0x3c0 [ 593.974396][ T4928] ? __x64_sys_mount+0xc0/0xc0 [ 593.979154][ T4928] ? syscall_enter_from_user_mode+0x2e/0x240 [ 593.985135][ T4928] ? lockdep_hardirqs_on+0x94/0x130 [ 593.990333][ T4928] ? __x64_sys_mount+0x1c/0xc0 [ 593.995091][ T4928] do_syscall_64+0x3b/0xb0 [ 593.999503][ T4928] ? clear_bhb_loop+0x15/0x70 [ 594.004179][ T4928] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 594.010079][ T4928] RIP: 0033:0x7faa42e934ca [ 594.014488][ T4928] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 594.034089][ T4928] RSP: 002b:00007faa42109e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 594.042505][ T4928] RAX: ffffffffffffffda RBX: 00007faa42109ef0 RCX: 00007faa42e934ca [ 594.050563][ T4928] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007faa42109eb0 [ 594.058526][ T4928] RBP: 0000000020000280 R08: 00007faa42109ef0 R09: 0000000000008c1b [ 594.066492][ T4928] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 594.074453][ T4928] R13: 00007faa42109eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 594.082429][ T4928] </TASK> [ 594.144520][ T4930] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 594.196107][ T4930] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 594.216401][ T4930] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 594.229149][ T4932] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 594.239073][ T4200] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 594.245867][ T4200] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 594.259393][ T4932] CPU: 0 PID: 4932 Comm: syz.3.251 Not tainted 5.15.176-syzkaller #0 [ 594.267501][ T4932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 594.277564][ T4932] Call Trace: [ 594.280852][ T4932] <TASK> [ 594.283795][ T4932] dump_stack_lvl+0x1e3/0x2d0 [ 594.288488][ T4932] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 594.294131][ T4932] ? panic+0x860/0x860 [ 594.298226][ T4932] ? sysfs_create_dir_ns+0x282/0x390 [ 594.303525][ T4932] sysfs_create_dir_ns+0x2c6/0x390 [ 594.308660][ T4932] ? sysfs_warn_dup+0xa0/0xa0 [ 594.313361][ T4932] ? do_raw_spin_unlock+0x137/0x8b0 [ 594.318581][ T4932] ? kobject_set_name_vargs+0xca/0x110 [ 594.324064][ T4932] kobject_add_internal+0x6e0/0xe00 [ 594.329289][ T4932] kobject_init_and_add+0x120/0x190 [ 594.334516][ T4932] ? lockdep_softirqs_off+0x420/0x420 [ 594.337136][ T4200] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 91ms [ 594.339894][ T4932] ? widen_string+0x3a/0x310 [ 594.351847][ T4932] ? kobject_add+0x210/0x210 [ 594.356457][ T4932] ? __init_swait_queue_head+0xaa/0x140 [ 594.359105][ T4200] gfs2: fsid=syz:syz.0: jid=0: Done [ 594.362014][ T4932] gfs2_sys_fs_add+0x237/0x4a0 [ 594.371946][ T4932] ? gfs2_recover_set+0x240/0x240 [ 594.376982][ T4932] ? snprintf+0xd6/0x120 [ 594.381243][ T4932] ? vscnprintf+0x80/0x80 [ 594.383227][ T4930] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 594.385580][ T4932] ? read_word_at_a_time+0xe/0x20 [ 594.397767][ T4932] ? strscpy+0x89/0x220 [ 594.401936][ T4932] gfs2_fill_super+0x1299/0x2750 [ 594.406896][ T4932] ? gfs2_reconfigure+0xcf0/0xcf0 [ 594.411933][ T4932] ? ptr_to_hashval+0x60/0x60 [ 594.416626][ T4932] ? up_write+0x19d/0x580 [ 594.420985][ T4932] ? set_blocksize+0x1ec/0x370 [ 594.425769][ T4932] get_tree_bdev+0x3fe/0x620 [ 594.430369][ T4932] ? gfs2_reconfigure+0xcf0/0xcf0 [ 594.435405][ T4932] gfs2_get_tree+0x50/0x210 [ 594.439915][ T4932] ? bpf_lsm_capable+0x5/0x10 [ 594.444612][ T4932] vfs_get_tree+0x88/0x270 [ 594.449045][ T4932] do_new_mount+0x2ba/0xb40 [ 594.453566][ T4932] ? do_move_mount_old+0x160/0x160 [ 594.458692][ T4932] ? user_path_at_empty+0x12b/0x180 [ 594.463910][ T4932] __se_sys_mount+0x2d5/0x3c0 [ 594.468604][ T4932] ? __x64_sys_mount+0xc0/0xc0 [ 594.473379][ T4932] ? syscall_enter_from_user_mode+0x2e/0x240 [ 594.479368][ T4932] ? lockdep_hardirqs_on+0x94/0x130 [ 594.484580][ T4932] ? __x64_sys_mount+0x1c/0xc0 [ 594.489355][ T4932] do_syscall_64+0x3b/0xb0 [ 594.493776][ T4932] ? clear_bhb_loop+0x15/0x70 [ 594.498460][ T4932] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 594.504366][ T4932] RIP: 0033:0x7f58a9cdc4ca [ 594.508784][ T4932] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 594.523886][ T4928] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 594.528389][ T4932] RSP: 002b:00007f58a8f52e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 594.528413][ T4932] RAX: ffffffffffffffda RBX: 00007f58a8f52ef0 RCX: 00007f58a9cdc4ca [ 594.528425][ T4932] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f58a8f52eb0 [ 594.528436][ T4932] RBP: 0000000020000280 R08: 00007f58a8f52ef0 R09: 0000000000008c1b [ 594.528447][ T4932] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 594.528458][ T4932] R13: 00007f58a8f52eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 594.528484][ T4932] </TASK> [ 594.545380][ T4934] loop0: detected capacity change from 0 to 32768 [ 594.562501][ T4930] syz.1.250 (4930): drop_caches: 2 [ 594.604593][ T4936] loop2: detected capacity change from 0 to 32768 [ 594.612026][ T4928] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 594.612418][ T4932] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 594.639583][ T4932] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 594.680134][ T4936] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 594.689482][ T4934] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 594.697185][ T4934] CPU: 0 PID: 4934 Comm: syz.0.252 Not tainted 5.15.176-syzkaller #0 [ 594.705273][ T4934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 594.715345][ T4934] Call Trace: [ 594.718721][ T4934] <TASK> [ 594.721660][ T4934] dump_stack_lvl+0x1e3/0x2d0 [ 594.726358][ T4934] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 594.732008][ T4934] ? panic+0x860/0x860 [ 594.736099][ T4934] ? sysfs_create_dir_ns+0x282/0x390 [ 594.741416][ T4934] sysfs_create_dir_ns+0x2c6/0x390 [ 594.746546][ T4934] ? sysfs_warn_dup+0xa0/0xa0 [ 594.751230][ T4934] ? do_raw_spin_unlock+0x137/0x8b0 [ 594.756439][ T4934] ? kobject_set_name_vargs+0xca/0x110 [ 594.761922][ T4934] kobject_add_internal+0x6e0/0xe00 [ 594.767151][ T4934] kobject_init_and_add+0x120/0x190 [ 594.772371][ T4934] ? lockdep_softirqs_off+0x420/0x420 [ 594.777748][ T4934] ? widen_string+0x3a/0x310 [ 594.782365][ T4934] ? kobject_add+0x210/0x210 [ 594.786979][ T4934] ? __init_swait_queue_head+0xaa/0x140 [ 594.792550][ T4934] gfs2_sys_fs_add+0x237/0x4a0 [ 594.797331][ T4934] ? gfs2_recover_set+0x240/0x240 [ 594.802378][ T4934] ? snprintf+0xd6/0x120 [ 594.806637][ T4934] ? vscnprintf+0x80/0x80 [ 594.810985][ T4934] ? read_word_at_a_time+0xe/0x20 [ 594.816014][ T4934] ? strscpy+0x89/0x220 [ 594.820180][ T4934] gfs2_fill_super+0x1299/0x2750 [ 594.825150][ T4934] ? gfs2_reconfigure+0xcf0/0xcf0 [ 594.830179][ T4934] ? ptr_to_hashval+0x60/0x60 [ 594.834862][ T4934] ? up_write+0x19d/0x580 [ 594.839219][ T4934] ? set_blocksize+0x1ec/0x370 [ 594.844002][ T4934] get_tree_bdev+0x3fe/0x620 [ 594.848603][ T4934] ? gfs2_reconfigure+0xcf0/0xcf0 [ 594.853636][ T4934] gfs2_get_tree+0x50/0x210 [ 594.858146][ T4934] ? bpf_lsm_capable+0x5/0x10 [ 594.862833][ T4934] vfs_get_tree+0x88/0x270 [ 594.867257][ T4934] do_new_mount+0x2ba/0xb40 [ 594.871772][ T4934] ? do_move_mount_old+0x160/0x160 [ 594.876895][ T4934] ? user_path_at_empty+0x12b/0x180 [ 594.882105][ T4934] __se_sys_mount+0x2d5/0x3c0 [ 594.886797][ T4934] ? __x64_sys_mount+0xc0/0xc0 [ 594.891570][ T4934] ? syscall_enter_from_user_mode+0x2e/0x240 [ 594.897567][ T4934] ? lockdep_hardirqs_on+0x94/0x130 [ 594.902785][ T4934] ? __x64_sys_mount+0x1c/0xc0 [ 594.907563][ T4934] do_syscall_64+0x3b/0xb0 [ 594.911984][ T4934] ? clear_bhb_loop+0x15/0x70 [ 594.916662][ T4934] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 594.922564][ T4934] RIP: 0033:0x7f11cb3d24ca [ 594.926995][ T4934] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 594.946611][ T4934] RSP: 002b:00007f11ca648e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 594.955185][ T4934] RAX: ffffffffffffffda RBX: 00007f11ca648ef0 RCX: 00007f11cb3d24ca [ 594.963191][ T4934] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f11ca648eb0 [ 594.966218][ T4932] syz.3.251 (4932): drop_caches: 2 [ 594.971167][ T4934] RBP: 0000000020000280 R08: 00007f11ca648ef0 R09: 0000000000008c1b [ 594.971183][ T4934] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 594.971194][ T4934] R13: 00007f11ca648eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 594.971220][ T4934] </TASK> [ 594.981777][ T4936] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 595.067358][ T4934] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 595.085480][ T4934] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 595.095342][ T4936] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 595.137510][ T1111] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 595.149714][ T1111] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 595.157277][ T4928] syz.4.248 (4928): drop_caches: 2 [ 595.257238][ T1111] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 107ms [ 595.285283][ T1111] gfs2: fsid=syz:syz.0: jid=0: Done [ 595.295261][ T4936] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 595.365335][ T4936] syz.2.253 (4936): drop_caches: 2 [ 595.574679][ T4934] syz.0.252 (4934): drop_caches: 2 [ 595.823482][ T4938] loop1: detected capacity change from 0 to 32768 [ 595.850353][ T4942] loop4: detected capacity change from 0 to 32768 [ 595.901005][ T4938] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 595.920425][ T4942] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 595.926680][ T4938] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 595.940590][ T4942] CPU: 0 PID: 4942 Comm: syz.4.256 Not tainted 5.15.176-syzkaller #0 [ 595.948707][ T4942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 595.958780][ T4942] Call Trace: [ 595.962071][ T4942] <TASK> [ 595.965005][ T4942] dump_stack_lvl+0x1e3/0x2d0 [ 595.969704][ T4942] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 595.975532][ T4942] ? panic+0x860/0x860 [ 595.979621][ T4942] ? sysfs_create_dir_ns+0x282/0x390 [ 595.984919][ T4942] sysfs_create_dir_ns+0x2c6/0x390 [ 595.990052][ T4942] ? sysfs_warn_dup+0xa0/0xa0 [ 595.994746][ T4942] ? do_raw_spin_unlock+0x137/0x8b0 [ 595.999954][ T4942] ? kobject_set_name_vargs+0xca/0x110 [ 596.005432][ T4942] kobject_add_internal+0x6e0/0xe00 [ 596.010648][ T4942] kobject_init_and_add+0x120/0x190 [ 596.015858][ T4942] ? lockdep_softirqs_off+0x420/0x420 [ 596.021234][ T4942] ? widen_string+0x3a/0x310 [ 596.025840][ T4942] ? kobject_add+0x210/0x210 [ 596.030450][ T4942] ? __init_swait_queue_head+0xaa/0x140 [ 596.036017][ T4942] gfs2_sys_fs_add+0x237/0x4a0 [ 596.040800][ T4942] ? gfs2_recover_set+0x240/0x240 [ 596.045842][ T4942] ? snprintf+0xd6/0x120 [ 596.050101][ T4942] ? vscnprintf+0x80/0x80 [ 596.054449][ T4942] ? read_word_at_a_time+0xe/0x20 [ 596.059487][ T4942] ? strscpy+0x89/0x220 [ 596.063664][ T4942] gfs2_fill_super+0x1299/0x2750 [ 596.068638][ T4942] ? gfs2_reconfigure+0xcf0/0xcf0 [ 596.073680][ T4942] ? ptr_to_hashval+0x60/0x60 [ 596.078371][ T4942] ? up_write+0x19d/0x580 [ 596.082731][ T4942] ? set_blocksize+0x1ec/0x370 [ 596.087655][ T4942] get_tree_bdev+0x3fe/0x620 [ 596.092259][ T4942] ? gfs2_reconfigure+0xcf0/0xcf0 [ 596.094627][ T4940] loop3: detected capacity change from 0 to 32768 [ 596.097290][ T4942] gfs2_get_tree+0x50/0x210 [ 596.097313][ T4942] ? bpf_lsm_capable+0x5/0x10 [ 596.097333][ T4942] vfs_get_tree+0x88/0x270 [ 596.097353][ T4942] do_new_mount+0x2ba/0xb40 [ 596.097374][ T4942] ? do_move_mount_old+0x160/0x160 [ 596.097394][ T4942] ? user_path_at_empty+0x12b/0x180 [ 596.097417][ T4942] __se_sys_mount+0x2d5/0x3c0 [ 596.097437][ T4942] ? __x64_sys_mount+0xc0/0xc0 [ 596.097453][ T4942] ? syscall_enter_from_user_mode+0x2e/0x240 [ 596.147576][ T4942] ? lockdep_hardirqs_on+0x94/0x130 [ 596.152796][ T4942] ? __x64_sys_mount+0x1c/0xc0 [ 596.157588][ T4942] do_syscall_64+0x3b/0xb0 [ 596.162048][ T4942] ? clear_bhb_loop+0x15/0x70 [ 596.166750][ T4942] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 596.172669][ T4942] RIP: 0033:0x7faa42e934ca [ 596.177105][ T4942] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 596.196744][ T4942] RSP: 002b:00007faa42109e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 596.205176][ T4942] RAX: ffffffffffffffda RBX: 00007faa42109ef0 RCX: 00007faa42e934ca [ 596.213152][ T4942] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007faa42109eb0 [ 596.221115][ T4942] RBP: 0000000020000280 R08: 00007faa42109ef0 R09: 0000000000008c1b [ 596.229078][ T4942] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 596.237040][ T4942] R13: 00007faa42109eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 596.245020][ T4942] </TASK> [ 596.303491][ T4940] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 596.331040][ T4940] CPU: 1 PID: 4940 Comm: syz.3.255 Not tainted 5.15.176-syzkaller #0 [ 596.339247][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 596.349314][ T4940] Call Trace: [ 596.352606][ T4940] <TASK> [ 596.355549][ T4940] dump_stack_lvl+0x1e3/0x2d0 [ 596.360248][ T4940] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 596.365903][ T4940] ? panic+0x860/0x860 [ 596.369992][ T4940] ? sysfs_create_dir_ns+0x282/0x390 [ 596.375302][ T4940] sysfs_create_dir_ns+0x2c6/0x390 [ 596.380437][ T4940] ? sysfs_warn_dup+0xa0/0xa0 [ 596.385130][ T4940] ? do_raw_spin_unlock+0x137/0x8b0 [ 596.390345][ T4940] ? kobject_set_name_vargs+0xca/0x110 [ 596.395824][ T4940] kobject_add_internal+0x6e0/0xe00 [ 596.399724][ T4938] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 596.401039][ T4940] kobject_init_and_add+0x120/0x190 [ 596.413839][ T4940] ? lockdep_softirqs_off+0x420/0x420 [ 596.418035][ T4368] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 596.419218][ T4940] ? widen_string+0x3a/0x310 [ 596.419248][ T4940] ? kobject_add+0x210/0x210 [ 596.419272][ T4940] ? __init_swait_queue_head+0xaa/0x140 [ 596.426022][ T4368] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 596.430595][ T4940] gfs2_sys_fs_add+0x237/0x4a0 [ 596.430619][ T4940] ? gfs2_recover_set+0x240/0x240 [ 596.430635][ T4940] ? snprintf+0xd6/0x120 [ 596.430656][ T4940] ? vscnprintf+0x80/0x80 [ 596.430678][ T4940] ? read_word_at_a_time+0xe/0x20 [ 596.430694][ T4940] ? strscpy+0x89/0x220 [ 596.430712][ T4940] gfs2_fill_super+0x1299/0x2750 [ 596.479856][ T4940] ? gfs2_reconfigure+0xcf0/0xcf0 [ 596.484903][ T4940] ? ptr_to_hashval+0x60/0x60 [ 596.489607][ T4940] ? up_write+0x19d/0x580 [ 596.493979][ T4940] ? set_blocksize+0x1ec/0x370 [ 596.496526][ T4944] loop0: detected capacity change from 0 to 32768 [ 596.498763][ T4940] get_tree_bdev+0x3fe/0x620 [ 596.498789][ T4940] ? gfs2_reconfigure+0xcf0/0xcf0 [ 596.498808][ T4940] gfs2_get_tree+0x50/0x210 [ 596.498823][ T4940] ? bpf_lsm_capable+0x5/0x10 [ 596.498849][ T4940] vfs_get_tree+0x88/0x270 [ 596.498866][ T4940] do_new_mount+0x2ba/0xb40 [ 596.513797][ T4368] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 87ms [ 596.514869][ T4940] ? do_move_mount_old+0x160/0x160 [ 596.520431][ T4368] gfs2: fsid=syz:syz.0: jid=0: Done [ 596.524018][ T4940] ? user_path_at_empty+0x12b/0x180 [ 596.537492][ T4938] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 596.540356][ T4940] __se_sys_mount+0x2d5/0x3c0 [ 596.540387][ T4940] ? __x64_sys_mount+0xc0/0xc0 [ 596.572509][ T4940] ? syscall_enter_from_user_mode+0x2e/0x240 [ 596.578269][ T4942] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 596.578506][ T4940] ? lockdep_hardirqs_on+0x94/0x130 [ 596.592306][ T4942] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 596.596980][ T4940] ? __x64_sys_mount+0x1c/0xc0 [ 596.597006][ T4940] do_syscall_64+0x3b/0xb0 [ 596.597023][ T4940] ? clear_bhb_loop+0x15/0x70 [ 596.597041][ T4940] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 596.597061][ T4940] RIP: 0033:0x7f58a9cdc4ca [ 596.627640][ T4940] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 596.647253][ T4940] RSP: 002b:00007f58a8f52e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 596.655687][ T4940] RAX: ffffffffffffffda RBX: 00007f58a8f52ef0 RCX: 00007f58a9cdc4ca [ 596.663675][ T4940] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f58a8f52eb0 [ 596.671667][ T4940] RBP: 0000000020000280 R08: 00007f58a8f52ef0 R09: 0000000000008c1b [ 596.679659][ T4940] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 596.683906][ T4946] loop2: detected capacity change from 0 to 32768 [ 596.687645][ T4940] R13: 00007f58a8f52eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 596.687675][ T4940] </TASK> [ 596.692036][ T4940] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 596.718881][ T4940] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 596.725593][ T4938] syz.1.254 (4938): drop_caches: 2 [ 596.730616][ T4946] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 596.738433][ T4946] CPU: 1 PID: 4946 Comm: syz.2.257 Not tainted 5.15.176-syzkaller #0 [ 596.745109][ T4944] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 596.746512][ T4946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 596.763921][ T4946] Call Trace: [ 596.767211][ T4946] <TASK> [ 596.770160][ T4946] dump_stack_lvl+0x1e3/0x2d0 [ 596.774860][ T4946] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 596.780514][ T4946] ? panic+0x860/0x860 [ 596.784605][ T4946] ? sysfs_create_dir_ns+0x282/0x390 [ 596.789904][ T4946] sysfs_create_dir_ns+0x2c6/0x390 [ 596.795026][ T4946] ? sysfs_warn_dup+0xa0/0xa0 [ 596.799709][ T4946] ? do_raw_spin_unlock+0x137/0x8b0 [ 596.804911][ T4946] ? kobject_set_name_vargs+0xca/0x110 [ 596.810373][ T4946] kobject_add_internal+0x6e0/0xe00 [ 596.815579][ T4946] kobject_init_and_add+0x120/0x190 [ 596.820777][ T4946] ? lockdep_softirqs_off+0x420/0x420 [ 596.826179][ T4946] ? widen_string+0x3a/0x310 [ 596.830772][ T4946] ? kobject_add+0x210/0x210 [ 596.835367][ T4946] ? __init_swait_queue_head+0xaa/0x140 [ 596.840917][ T4946] gfs2_sys_fs_add+0x237/0x4a0 [ 596.845683][ T4946] ? gfs2_recover_set+0x240/0x240 [ 596.850708][ T4946] ? snprintf+0xd6/0x120 [ 596.854953][ T4946] ? vscnprintf+0x80/0x80 [ 596.859284][ T4946] ? read_word_at_a_time+0xe/0x20 [ 596.864314][ T4946] ? strscpy+0x89/0x220 [ 596.868467][ T4946] gfs2_fill_super+0x1299/0x2750 [ 596.873427][ T4946] ? gfs2_reconfigure+0xcf0/0xcf0 [ 596.878449][ T4946] ? ptr_to_hashval+0x60/0x60 [ 596.883131][ T4946] ? up_write+0x19d/0x580 [ 596.887487][ T4946] ? set_blocksize+0x1ec/0x370 [ 596.892269][ T4946] get_tree_bdev+0x3fe/0x620 [ 596.896863][ T4946] ? gfs2_reconfigure+0xcf0/0xcf0 [ 596.901895][ T4946] gfs2_get_tree+0x50/0x210 [ 596.906399][ T4946] ? bpf_lsm_capable+0x5/0x10 [ 596.911077][ T4946] vfs_get_tree+0x88/0x270 [ 596.915495][ T4946] do_new_mount+0x2ba/0xb40 [ 596.919997][ T4946] ? do_move_mount_old+0x160/0x160 [ 596.925111][ T4946] ? user_path_at_empty+0x12b/0x180 [ 596.930468][ T4946] __se_sys_mount+0x2d5/0x3c0 [ 596.935172][ T4946] ? __x64_sys_mount+0xc0/0xc0 [ 596.940060][ T4946] ? syscall_enter_from_user_mode+0x2e/0x240 [ 596.946047][ T4946] ? lockdep_hardirqs_on+0x94/0x130 [ 596.951247][ T4946] ? __x64_sys_mount+0x1c/0xc0 [ 596.956011][ T4946] do_syscall_64+0x3b/0xb0 [ 596.960423][ T4946] ? clear_bhb_loop+0x15/0x70 [ 596.965096][ T4946] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 596.970984][ T4946] RIP: 0033:0x7f87815994ca [ 596.975403][ T4946] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 596.995004][ T4946] RSP: 002b:00007f878080fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 597.003432][ T4946] RAX: ffffffffffffffda RBX: 00007f878080fef0 RCX: 00007f87815994ca [ 597.011405][ T4946] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f878080feb0 [ 597.019380][ T4946] RBP: 0000000020000280 R08: 00007f878080fef0 R09: 0000000000008c1b [ 597.027358][ T4946] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 597.035353][ T4946] R13: 00007f878080feb0 R14: 00000000000127a3 R15: 0000000020000980 [ 597.043352][ T4946] </TASK> [ 597.046955][ T4944] CPU: 0 PID: 4944 Comm: syz.0.258 Not tainted 5.15.176-syzkaller #0 [ 597.055051][ T4944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 597.061237][ T4946] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 597.065116][ T4944] Call Trace: [ 597.065127][ T4944] <TASK> [ 597.078442][ T4946] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 597.081477][ T4944] dump_stack_lvl+0x1e3/0x2d0 [ 597.095549][ T4944] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 597.101182][ T4944] ? panic+0x860/0x860 [ 597.105248][ T4944] ? sysfs_create_dir_ns+0x282/0x390 [ 597.110526][ T4944] sysfs_create_dir_ns+0x2c6/0x390 [ 597.115637][ T4944] ? sysfs_warn_dup+0xa0/0xa0 [ 597.120308][ T4944] ? do_raw_spin_unlock+0x137/0x8b0 [ 597.125524][ T4944] ? kobject_set_name_vargs+0xca/0x110 [ 597.131074][ T4944] kobject_add_internal+0x6e0/0xe00 [ 597.136267][ T4944] kobject_init_and_add+0x120/0x190 [ 597.141550][ T4944] ? lockdep_softirqs_off+0x420/0x420 [ 597.146912][ T4944] ? widen_string+0x3a/0x310 [ 597.151491][ T4944] ? kobject_add+0x210/0x210 [ 597.156075][ T4944] ? __init_swait_queue_head+0xaa/0x140 [ 597.161634][ T4944] gfs2_sys_fs_add+0x237/0x4a0 [ 597.166475][ T4944] ? gfs2_recover_set+0x240/0x240 [ 597.171495][ T4944] ? snprintf+0xd6/0x120 [ 597.175745][ T4944] ? vscnprintf+0x80/0x80 [ 597.180067][ T4944] ? read_word_at_a_time+0xe/0x20 [ 597.185079][ T4944] ? strscpy+0x89/0x220 [ 597.189222][ T4944] gfs2_fill_super+0x1299/0x2750 [ 597.194161][ T4944] ? gfs2_reconfigure+0xcf0/0xcf0 [ 597.199179][ T4944] ? ptr_to_hashval+0x60/0x60 [ 597.203849][ T4944] ? up_write+0x19d/0x580 [ 597.208177][ T4944] ? set_blocksize+0x1ec/0x370 [ 597.212935][ T4944] get_tree_bdev+0x3fe/0x620 [ 597.217519][ T4944] ? gfs2_reconfigure+0xcf0/0xcf0 [ 597.222556][ T4944] gfs2_get_tree+0x50/0x210 [ 597.227048][ T4944] ? bpf_lsm_capable+0x5/0x10 [ 597.231746][ T4944] vfs_get_tree+0x88/0x270 [ 597.236149][ T4944] do_new_mount+0x2ba/0xb40 [ 597.240644][ T4944] ? do_move_mount_old+0x160/0x160 [ 597.245746][ T4944] ? user_path_at_empty+0x12b/0x180 [ 597.251038][ T4944] __se_sys_mount+0x2d5/0x3c0 [ 597.255730][ T4944] ? __x64_sys_mount+0xc0/0xc0 [ 597.260482][ T4944] ? syscall_enter_from_user_mode+0x2e/0x240 [ 597.266456][ T4944] ? lockdep_hardirqs_on+0x94/0x130 [ 597.271649][ T4944] ? __x64_sys_mount+0x1c/0xc0 [ 597.276405][ T4944] do_syscall_64+0x3b/0xb0 [ 597.280811][ T4944] ? clear_bhb_loop+0x15/0x70 [ 597.285474][ T4944] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 597.291356][ T4944] RIP: 0033:0x7f11cb3d24ca [ 597.295768][ T4944] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 597.315366][ T4944] RSP: 002b:00007f11ca648e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 597.323776][ T4944] RAX: ffffffffffffffda RBX: 00007f11ca648ef0 RCX: 00007f11cb3d24ca [ 597.331759][ T4944] RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f11ca648eb0 [ 597.339724][ T4944] RBP: 0000000020000280 R08: 00007f11ca648ef0 R09: 0000000000008c1b [ 597.347711][ T4944] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100 [ 597.355667][ T4944] R13: 00007f11ca648eb0 R14: 00000000000127a3 R15: 0000000020000980 [ 597.363641][ T4944] </TASK> [ 597.369383][ T4944] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 597.382587][ T4944] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 597.514960][ T4940] ================================================================== [ 597.523323][ T4940] BUG: KASAN: use-after-free in gfs2_qd_shrink_scan+0x63d/0x860 [ 597.530980][ T4940] Write of size 4 at addr ffff8880237dca70 by task syz.3.255/4940 [ 597.538791][ T4940] [ 597.541120][ T4940] CPU: 1 PID: 4940 Comm: syz.3.255 Not tainted 5.15.176-syzkaller #0 [ 597.549192][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 597.559261][ T4940] Call Trace: [ 597.562549][ T4940] <TASK> [ 597.565482][ T4940] dump_stack_lvl+0x1e3/0x2d0 [ 597.570176][ T4940] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 597.575816][ T4940] ? _printk+0xd1/0x120 [ 597.579988][ T4940] ? __wake_up_klogd+0xcc/0x100 [ 597.584854][ T4940] ? panic+0x860/0x860 [ 597.588932][ T4940] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 597.594415][ T4940] print_address_description+0x63/0x3b0 [ 597.599970][ T4940] ? gfs2_qd_shrink_scan+0x63d/0x860 [ 597.605272][ T4940] kasan_report+0x16b/0x1c0 [ 597.609792][ T4940] ? gfs2_qd_shrink_scan+0x63d/0x860 [ 597.615098][ T4940] kasan_check_range+0x27e/0x290 [ 597.620047][ T4940] gfs2_qd_shrink_scan+0x63d/0x860 [ 597.625179][ T4940] ? gfs2_qd_shrink_count+0x100/0x100 [ 597.630572][ T4940] do_shrink_slab+0x542/0xda0 [ 597.635286][ T4940] shrink_slab+0x233/0x960 [ 597.639721][ T4940] ? __lock_acquire+0x1ff0/0x1ff0 [ 597.644758][ T4940] ? drop_slab_node+0x180/0x180 [ 597.649632][ T4940] ? mem_cgroup_iter+0x3b4/0x520 [ 597.654595][ T4940] drop_slab_node+0xed/0x180 [ 597.659205][ T4940] drop_slab+0x8b/0x120 [ 597.663376][ T4940] drop_caches_sysctl_handler+0xb3/0x160 [ 597.669019][ T4940] ? cn_vprintf+0x450/0x450 [ 597.673558][ T4940] proc_sys_call_handler+0x541/0x8a0 [ 597.678867][ T4940] ? proc_sys_open+0x270/0x270 [ 597.683640][ T4940] ? aa_path_link+0xea0/0xea0 [ 597.688334][ T4940] do_iter_readv_writev+0x594/0x7a0 [ 597.693551][ T4940] ? generic_file_rw_checks+0x260/0x260 [ 597.699115][ T4940] ? common_file_perm+0x17d/0x1d0 [ 597.704156][ T4940] ? fsnotify_perm+0x64/0x590 [ 597.708851][ T4940] ? security_file_permission+0x75/0xa0 [ 597.714416][ T4940] do_iter_write+0x1e6/0x760 [ 597.719037][ T4940] do_writev+0x281/0x470 [ 597.723302][ T4940] ? do_readv+0x460/0x460 [ 597.727654][ T4940] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 597.732594][ T4942] syz.4.256 (4942): drop_caches: 2 [ 597.733646][ T4940] ? vtime_user_exit+0x2d1/0x400 [ 597.743675][ T4940] ? syscall_enter_from_user_mode+0x2e/0x240 [ 597.745670][ T4944] syz.0.258 (4944): drop_caches: 2 [ 597.749670][ T4940] ? lockdep_hardirqs_on+0x94/0x130 [ 597.749695][ T4940] ? syscall_enter_from_user_mode+0x2e/0x240 [ 597.749714][ T4940] do_syscall_64+0x3b/0xb0 [ 597.749729][ T4940] ? clear_bhb_loop+0x15/0x70 [ 597.749746][ T4940] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 597.749765][ T4940] RIP: 0033:0x7f58a9cdad29 [ 597.749783][ T4940] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 597.749799][ T4940] RSP: 002b:00007f58a8f53038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 597.749827][ T4940] RAX: ffffffffffffffda RBX: 00007f58a9ecafa0 RCX: 00007f58a9cdad29 [ 597.749840][ T4940] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000003 [ 597.829313][ T4940] RBP: 00007f58a9d56b08 R08: 0000000000000000 R09: 0000000000000000 [ 597.837299][ T4940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 597.845291][ T4940] R13: 0000000000000000 R14: 00007f58a9ecafa0 R15: 00007ffd07831ad8 [ 597.853290][ T4940] </TASK> [ 597.856322][ T4940] [ 597.858654][ T4940] Allocated by task 4938: [ 597.862983][ T4940] ____kasan_kmalloc+0xba/0xf0 [ 597.867769][ T4940] kmem_cache_alloc_trace+0x143/0x290 [ 597.873171][ T4940] gfs2_fill_super+0x15a/0x2750 [ 597.878041][ T4940] get_tree_bdev+0x3fe/0x620 [ 597.882640][ T4940] gfs2_get_tree+0x50/0x210 [ 597.887140][ T4940] vfs_get_tree+0x88/0x270 [ 597.891571][ T4940] do_new_mount+0x2ba/0xb40 [ 597.894520][ T4946] syz.2.257 (4946): drop_caches: 2 [ 597.896078][ T4940] __se_sys_mount+0x2d5/0x3c0 [ 597.905871][ T4940] do_syscall_64+0x3b/0xb0 [ 597.910301][ T4940] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 597.916218][ T4940] [ 597.918551][ T4940] Freed by task 4287: [ 597.922529][ T4940] kasan_set_track+0x4b/0x80 [ 597.927130][ T4940] kasan_set_free_info+0x1f/0x40 [ 597.932080][ T4940] ____kasan_slab_free+0xd8/0x120 [ 597.937115][ T4940] slab_free_freelist_hook+0xdd/0x160 [ 597.942494][ T4940] kfree+0xf1/0x270 [ 597.946313][ T4940] generic_shutdown_super+0x130/0x310 [ 597.951735][ T4940] kill_block_super+0x7a/0xe0 [ 597.956514][ T4940] deactivate_locked_super+0xa0/0x110 [ 597.961914][ T4940] cleanup_mnt+0x44e/0x500 [ 597.966347][ T4940] task_work_run+0x129/0x1a0 [ 597.970951][ T4940] exit_to_user_mode_loop+0x106/0x130 [ 597.976335][ T4940] exit_to_user_mode_prepare+0xb1/0x140 [ 597.981927][ T4940] syscall_exit_to_user_mode+0x5d/0x240 [ 597.987485][ T4940] do_syscall_64+0x47/0xb0 [ 597.991920][ T4940] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 597.997818][ T4940] [ 598.000141][ T4940] The buggy address belongs to the object at ffff8880237dc000 [ 598.000141][ T4940] which belongs to the cache kmalloc-8k of size 8192 [ 598.014188][ T4940] The buggy address is located 2672 bytes inside of [ 598.014188][ T4940] 8192-byte region [ffff8880237dc000, ffff8880237de000) [ 598.027636][ T4940] The buggy address belongs to the page: [ 598.033268][ T4940] page:ffffea00008df600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x237d8 [ 598.043432][ T4940] head:ffffea00008df600 order:3 compound_mapcount:0 compound_pincount:0 [ 598.051773][ T4940] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) 2025/01/21 02:26:57 executed programs: 254 [ 598.059796][ T4940] raw: 00fff00000010200 0000000000000000 0000000100000001 ffff888017442280 [ 598.068404][ T4940] raw: 0000000000000000 0000000000020002 00000001ffffffff 0000000000000000 [ 598.077002][ T4940] page dumped because: kasan: bad access detected [ 598.083435][ T4940] page_owner tracks the page as allocated [ 598.089244][ T4940] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d28c0(GFP_NOWAIT|__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 3838, ts 479177548929, free_ts 479057360609 [ 598.110971][ T4940] get_page_from_freelist+0x3b78/0x3d40 [ 598.116551][ T4940] __alloc_pages+0x272/0x700 [ 598.121257][ T4940] new_slab+0xbb/0x4b0 [ 598.125336][ T4940] ___slab_alloc+0x6f6/0xe10 [ 598.129935][ T4940] __kmalloc_node_track_caller+0x1f6/0x390 [ 598.135753][ T4940] __alloc_skb+0x12c/0x590 [ 598.140182][ T4940] netlink_dump+0x1fd/0xca0 [ 598.144706][ T4940] netlink_recvmsg+0x69f/0x1190 [ 598.149568][ T4940] ____sys_recvmsg+0x286/0x530 [ 598.154449][ T4940] ___sys_recvmsg+0x1ec/0x690 [ 598.159134][ T4940] __x64_sys_recvmsg+0x1dc/0x2b0 [ 598.164093][ T4940] do_syscall_64+0x3b/0xb0 [ 598.168520][ T4940] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 598.174427][ T4940] page last free stack trace: [ 598.179101][ T4940] free_unref_page_prepare+0xc34/0xcf0 [ 598.184573][ T4940] free_unref_page+0x95/0x2d0 [ 598.189263][ T4940] __unfreeze_partials+0x1b7/0x210 [ 598.194388][ T4940] put_cpu_partial+0x132/0x1a0 [ 598.199160][ T4940] ___cache_free+0xe3/0x100 [ 598.203671][ T4940] qlist_free_all+0x36/0x90 [ 598.208178][ T4940] kasan_quarantine_reduce+0x162/0x180 [ 598.213643][ T4940] __kasan_slab_alloc+0x2f/0xc0 [ 598.218500][ T4940] slab_post_alloc_hook+0x53/0x380 [ 598.223622][ T4940] kmem_cache_alloc_node+0x121/0x2c0 [ 598.228917][ T4940] __alloc_skb+0xdd/0x590 [ 598.233250][ T4940] rtmsg_ifinfo_build_skb+0x81/0x180 [ 598.238542][ T4940] unregister_netdevice_many+0xfb3/0x18f0 [ 598.244267][ T4940] unregister_netdevice_queue+0x2e6/0x350 [ 598.249996][ T4940] nsim_destroy+0x44/0x140 [ 598.254430][ T4940] __nsim_dev_port_del+0x153/0x1b0 [ 598.259555][ T4940] [ 598.261879][ T4940] Memory state around the buggy address: [ 598.267512][ T4940] ffff8880237dc900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 598.275584][ T4940] ffff8880237dc980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 598.283659][ T4940] >ffff8880237dca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 598.291725][ T4940] ^ [ 598.299458][ T4940] ffff8880237dca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 598.307532][ T4940] ffff8880237dcb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 598.315600][ T4940] ================================================================== [ 598.323672][ T4940] Disabling lock debugging due to kernel taint [ 598.341053][ T4940] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 598.348281][ T4940] CPU: 0 PID: 4940 Comm: syz.3.255 Tainted: G B 5.15.176-syzkaller #0 [ 598.357745][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 598.367800][ T4940] Call Trace: [ 598.371083][ T4940] <TASK> [ 598.374021][ T4940] dump_stack_lvl+0x1e3/0x2d0 [ 598.378708][ T4940] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 598.384426][ T4940] ? panic+0x860/0x860 [ 598.388506][ T4940] ? preempt_schedule_common+0xa6/0xd0 [ 598.393973][ T4940] ? preempt_schedule+0xd9/0xe0 [ 598.398827][ T4940] panic+0x318/0x860 [ 598.402732][ T4940] ? check_panic_on_warn+0x1d/0xa0 [ 598.407848][ T4940] ? fb_is_primary_device+0xd0/0xd0 [ 598.413053][ T4940] ? _raw_spin_unlock_irqrestore+0x128/0x130 [ 598.419043][ T4940] ? _raw_spin_unlock+0x40/0x40 [ 598.423897][ T4940] ? print_memory_metadata+0xe2/0x140 [ 598.429274][ T4940] check_panic_on_warn+0x7e/0xa0 [ 598.434218][ T4940] ? gfs2_qd_shrink_scan+0x63d/0x860 [ 598.439512][ T4940] end_report+0x6d/0xf0 [ 598.443669][ T4940] kasan_report+0x18e/0x1c0 [ 598.448169][ T4940] ? gfs2_qd_shrink_scan+0x63d/0x860 [ 598.453463][ T4940] kasan_check_range+0x27e/0x290 [ 598.458416][ T4940] gfs2_qd_shrink_scan+0x63d/0x860 [ 598.463538][ T4940] ? gfs2_qd_shrink_count+0x100/0x100 [ 598.468921][ T4940] do_shrink_slab+0x542/0xda0 [ 598.473612][ T4940] shrink_slab+0x233/0x960 [ 598.478035][ T4940] ? __lock_acquire+0x1ff0/0x1ff0 [ 598.483067][ T4940] ? drop_slab_node+0x180/0x180 [ 598.487933][ T4940] ? mem_cgroup_iter+0x3b4/0x520 [ 598.492881][ T4940] drop_slab_node+0xed/0x180 [ 598.497495][ T4940] drop_slab+0x8b/0x120 [ 598.501665][ T4940] drop_caches_sysctl_handler+0xb3/0x160 [ 598.507304][ T4940] ? cn_vprintf+0x450/0x450 [ 598.510025][ T4951] loop4: detected capacity change from 0 to 32768 [ 598.511843][ T4940] proc_sys_call_handler+0x541/0x8a0 [ 598.523517][ T4940] ? proc_sys_open+0x270/0x270 [ 598.528296][ T4940] ? aa_path_link+0xea0/0xea0 [ 598.532992][ T4940] do_iter_readv_writev+0x594/0x7a0 [ 598.538209][ T4940] ? generic_file_rw_checks+0x260/0x260 [ 598.543774][ T4940] ? common_file_perm+0x17d/0x1d0 [ 598.548814][ T4940] ? fsnotify_perm+0x64/0x590 [ 598.553504][ T4940] ? security_file_permission+0x75/0xa0 [ 598.559064][ T4940] do_iter_write+0x1e6/0x760 [ 598.563674][ T4940] do_writev+0x281/0x470 [ 598.567933][ T4940] ? do_readv+0x460/0x460 [ 598.572317][ T4940] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 598.578310][ T4940] ? vtime_user_exit+0x2d1/0x400 [ 598.583263][ T4940] ? syscall_enter_from_user_mode+0x2e/0x240 [ 598.589256][ T4940] ? lockdep_hardirqs_on+0x94/0x130 [ 598.594468][ T4940] ? syscall_enter_from_user_mode+0x2e/0x240 [ 598.600902][ T4940] do_syscall_64+0x3b/0xb0 [ 598.605338][ T4940] ? clear_bhb_loop+0x15/0x70 [ 598.610024][ T4940] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 598.615933][ T4940] RIP: 0033:0x7f58a9cdad29 [ 598.620359][ T4940] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 598.639974][ T4940] RSP: 002b:00007f58a8f53038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 598.648405][ T4940] RAX: ffffffffffffffda RBX: 00007f58a9ecafa0 RCX: 00007f58a9cdad29 [ 598.656502][ T4940] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000003 [ 598.664496][ T4940] RBP: 00007f58a9d56b08 R08: 0000000000000000 R09: 0000000000000000 [ 598.672568][ T4940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 598.680547][ T4940] R13: 0000000000000000 R14: 00007f58a9ecafa0 R15: 00007ffd07831ad8 [ 598.688531][ T4940] </TASK> [ 598.691798][ T4940] Kernel Offset: disabled [ 598.696119][ T4940] Rebooting in 86400 seconds..