program:
r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$smc(&(0x7f0000000080), 0xffffffffffffffff)
r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x6, 0x0)
getsockopt$bt_l2cap_L2CAP_CONNINFO(r2, 0x6, 0x2, &(0x7f00000000c0), &(0x7f0000000140)=0x6)
sendmsg$SMC_PNETID_DEL(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000020202000900010073797a09"], 0x2c}, 0x1, 0x40030000000000}, 0x0)
syz_mount_image$bfs(&(0x7f0000000000), &(0x7f0000000240)='./bus\x00', 0x8008, &(0x7f0000000100)=ANY=[@ANYRES64=0x0], 0xf, 0xab, &(0x7f0000010140)="$eJzs1zGKwkAYBeB/s7CbdptFsLBO4x08ilhqI1aK4A3Ei3gVj5DewiKtiCOYiIidRQT5vmLgzWPgtbM7brubIiKtIlLRme7T3Wy+GA8n9Rl8pCwifiMij4jeX50Pg7r7avqyWo7K6vv58c+69b0AAMDrsug/5nNqLk7NL/Aa/m993vI+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgHe7BAAA//+dfyiL")
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x275a, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x441, 0x108)
write$RDMA_USER_CM_CMD_CREATE_ID(r4, &(0x7f0000000b80)={0x0, 0x18, 0xfa00, {0x0, 0x0, 0x13f, 0x2}}, 0x20)
write$RDMA_USER_CM_CMD_NOTIFY(r3, &(0x7f0000000bc0)={0xf, 0x8, 0xfa00, {0xffffffffffffffff, 0x11}}, 0x10)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x20442, 0x36)
r6 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)
ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f0000000300)={0x0, {}, 0x0, {}, 0x20007, 0x0, 0x200000, 0xd, "22536af39b7c7cb7435b0a43852dbc3a9ada34cc97af10fd4fcca15748328c53096c2f359e9ba743d30b59c491a7b3e74d938981061383374a1d79471a2d2dfe", "0410b1617b6217917d72322c0c5aa9263626c0240010f9db74161ccff2c5cf5e", [0x3, 0x800]})
pwrite64(r5, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
r7 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
sendmsg$netlink(r7, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000003f40)={0x14, 0x13, 0x1, 0x0, 0x0, "", [@generic="03"]}, 0x14}], 0x1}, 0x28004010)
[ 85.891469][ T5351] netlink: 12 bytes leftover after parsing attributes in process `syz.0.0'.
[ 85.898820][ T5351] loop0: detected capacity change from 0 to 64
[ 86.199512][ T5351] loop0: detected capacity change from 64 to 0
[ 86.202805][ T3585] BFS-fs: find_inode(): Unable to read inode loop0:00000001
[ 86.223438][ T3585] BFS-fs: find_inode(): Unable to read inode loop0:00000000
[ 86.238964][ T5352] ------------[ cut here ]------------
[ 86.241676][ T5352] WARNING: fs/buffer.c:1183 at mark_buffer_dirty+0x299/0x400, CPU#0: syz.0.0/5352
[ 86.245666][ T5352] Modules linked in:
[ 86.247504][ T5352] CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 86.251396][ T5352] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 86.256009][ T5352] RIP: 0010:mark_buffer_dirty+0x299/0x400
[ 86.258588][ T5352] Code: 4c 89 f7 e8 29 57 dc ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 24 a2 fb ff e8 6f 41 75 ff eb 8c e8 68 41 75 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 5a 41 75 ff 90 0f 0b 90 e9 cf fd ff ff
[ 86.266784][ T5352] RSP: 0018:ffffc9000d377608 EFLAGS: 00010287
[ 86.269529][ T5352] RAX: ffffffff824be998 RBX: ffff888012017910 RCX: 0000000000100000
[ 86.272848][ T5352] RDX: ffffc90020001000 RSI: 00000000000007ce RDI: 00000000000007cf
[ 86.276277][ T5352] RBP: ffff88803619c001 R08: ffff888012017917 R09: 1ffff11002402f22
[ 86.279918][ T5352] R10: dffffc0000000000 R11: ffffed1002402f23 R12: ffff88804c990800
[ 86.283139][ T5352] R13: ffff88801200b488 R14: ffff888012017910 R15: 000000000000000a
[ 86.295226][ T5352] FS: 00007fcbe5cdc6c0(0000) GS:ffff88808d6b5000(0000) knlGS:0000000000000000
[ 86.306260][ T5352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 86.313484][ T5352] CR2: 00007fdda0bb5662 CR3: 0000000010ed8000 CR4: 0000000000352ef0
[ 86.316957][ T5352] Call Trace:
[ 86.319664][ T5352]
[ 86.320998][ T5352] bfs_get_block+0x5da/0xae0
[ 86.323029][ T5352] __block_write_begin_int+0x6b5/0x1900
[ 86.325497][ T5352] ? filemap_get_entry+0xad/0x2f0
[ 86.327897][ T5352] ? __pfx_bfs_get_block+0x10/0x10
[ 86.329805][ T5352] ? __pfx___block_write_begin_int+0x10/0x10
[ 86.331993][ T5352] ? __filemap_get_folio+0x79f/0xaf0
[ 86.333972][ T5352] ? __pfx_bfs_get_block+0x10/0x10
[ 86.336156][ T5352] block_write_begin+0x8a/0x120
[ 86.338596][ T5352] ? bfs_write_begin+0x1e/0xd0
[ 86.340751][ T5352] bfs_write_begin+0x35/0xd0
[ 86.342805][ T5352] generic_perform_write+0x2c5/0x900
[ 86.345179][ T5352] ? __pfx_generic_perform_write+0x10/0x10
[ 86.349446][ T5352] ? file_update_time_flags+0x2cb/0x4e0
[ 86.351780][ T5352] ? __generic_file_write_iter+0xf9/0x230
[ 86.354162][ T5352] ? generic_file_write_iter+0x103/0x550
[ 86.356710][ T5352] generic_file_write_iter+0x117/0x550
[ 86.359133][ T5352] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.361726][ T5352] ? __lock_acquire+0x6b6/0x2cf0
[ 86.363875][ T5352] ? __pfx_aa_file_perm+0x10/0x10
[ 86.366109][ T5352] ? rcu_read_lock_any_held+0xb3/0x120
[ 86.368506][ T5352] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 86.371005][ T5352] vfs_write+0x5c9/0xb30
[ 86.372906][ T5352] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.375440][ T5352] ? __pfx_vfs_write+0x10/0x10
[ 86.377673][ T5352] ? __fget_files+0x2a/0x420
[ 86.380330][ T5352] __x64_sys_pwrite64+0x193/0x220
[ 86.382880][ T5352] ? __pfx___x64_sys_pwrite64+0x10/0x10
[ 86.385287][ T5352] ? do_syscall_64+0xbe/0xf80
[ 86.387302][ T5352] do_syscall_64+0xfa/0xf80
[ 86.389113][ T5352] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.391397][ T5352] ? clear_bhb_loop+0x60/0xb0
[ 86.393279][ T5352] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.395289][ T5352] RIP: 0033:0x7fcbe4d8f7c9
[ 86.397189][ T5352] 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
[ 86.405013][ T5352] RSP: 002b:00007fcbe5cdc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
[ 86.408731][ T5352] RAX: ffffffffffffffda RBX: 00007fcbe4fe6090 RCX: 00007fcbe4d8f7c9
[ 86.412386][ T5352] RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000007
[ 86.415906][ T5352] RBP: 00007fcbe4e13f91 R08: 0000000000000000 R09: 0000000000000000
[ 86.419640][ T5352] R10: 0000000000000e7c R11: 0000000000000246 R12: 0000000000000000
[ 86.422940][ T5352] R13: 00007fcbe4fe6128 R14: 00007fcbe4fe6090 R15: 00007ffe238320a8
[ 86.426397][ T5352]
[ 86.427857][ T5352] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 86.430920][ T5352] CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 86.434755][ T5352] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 86.439320][ T5352] Call Trace:
[ 86.440743][ T5352]
[ 86.441938][ T5352] dump_stack_lvl+0x99/0x250
[ 86.443936][ T5352] ? __asan_memcpy+0x40/0x70
[ 86.445925][ T5352] ? __pfx_dump_stack_lvl+0x10/0x10
[ 86.448109][ T5352] ? __pfx__printk+0x10/0x10
[ 86.450049][ T5352] vpanic+0x237/0x6d0
[ 86.451702][ T5352] ? __pfx_vpanic+0x10/0x10
[ 86.453567][ T5352] ? is_bpf_text_address+0x292/0x2b0
[ 86.455747][ T5352] ? is_bpf_text_address+0x26/0x2b0
[ 86.457972][ T5352] panic+0xb9/0xc0
[ 86.459621][ T5352] ? __pfx_panic+0x10/0x10
[ 86.461493][ T5352] __warn+0x317/0x4b0
[ 86.463225][ T5352] ? mark_buffer_dirty+0x299/0x400
[ 86.465384][ T5352] ? mark_buffer_dirty+0x299/0x400
[ 86.467483][ T5352] __report_bug+0x288/0x500
[ 86.469316][ T5352] ? __pfx___might_resched+0x10/0x10
[ 86.471513][ T5352] ? mark_buffer_dirty+0x299/0x400
[ 86.473735][ T5352] ? __pfx___report_bug+0x10/0x10
[ 86.475918][ T5352] ? find_get_block_common+0xc23/0xfc0
[ 86.478177][ T5352] ? lockdep_hardirqs_on+0x98/0x140
[ 86.480389][ T5352] ? find_get_block_common+0xe86/0xfc0
[ 86.482699][ T5352] ? mark_buffer_dirty+0x299/0x400
[ 86.484988][ T5352] report_bug+0x16a/0x220
[ 86.486796][ T5352] ? mark_buffer_dirty+0x299/0x400
[ 86.488935][ T5352] ? mark_buffer_dirty+0x29b/0x400
[ 86.490938][ T5352] handle_bug+0x98/0x200
[ 86.492661][ T5352] exc_invalid_op+0x1a/0x50
[ 86.494724][ T5352] asm_exc_invalid_op+0x1a/0x20
[ 86.496869][ T5352] RIP: 0010:mark_buffer_dirty+0x299/0x400
[ 86.499207][ T5352] Code: 4c 89 f7 e8 29 57 dc ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 24 a2 fb ff e8 6f 41 75 ff eb 8c e8 68 41 75 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 5a 41 75 ff 90 0f 0b 90 e9 cf fd ff ff
[ 86.507930][ T5352] RSP: 0018:ffffc9000d377608 EFLAGS: 00010287
[ 86.510744][ T5352] RAX: ffffffff824be998 RBX: ffff888012017910 RCX: 0000000000100000
[ 86.514836][ T5352] RDX: ffffc90020001000 RSI: 00000000000007ce RDI: 00000000000007cf
[ 86.518673][ T5352] RBP: ffff88803619c001 R08: ffff888012017917 R09: 1ffff11002402f22
[ 86.522140][ T5352] R10: dffffc0000000000 R11: ffffed1002402f23 R12: ffff88804c990800
[ 86.525578][ T5352] R13: ffff88801200b488 R14: ffff888012017910 R15: 000000000000000a
[ 86.529058][ T5352] ? mark_buffer_dirty+0x298/0x400
[ 86.531407][ T5352] ? mark_buffer_dirty+0x298/0x400
[ 86.533807][ T5352] bfs_get_block+0x5da/0xae0
[ 86.535878][ T5352] __block_write_begin_int+0x6b5/0x1900
[ 86.538197][ T5352] ? filemap_get_entry+0xad/0x2f0
[ 86.540321][ T5352] ? __pfx_bfs_get_block+0x10/0x10
[ 86.542519][ T5352] ? __pfx___block_write_begin_int+0x10/0x10
[ 86.545131][ T5352] ? __filemap_get_folio+0x79f/0xaf0
[ 86.547385][ T5352] ? __pfx_bfs_get_block+0x10/0x10
[ 86.549462][ T5352] block_write_begin+0x8a/0x120
[ 86.551395][ T5352] ? bfs_write_begin+0x1e/0xd0
[ 86.553429][ T5352] bfs_write_begin+0x35/0xd0
[ 86.555419][ T5352] generic_perform_write+0x2c5/0x900
[ 86.557618][ T5352] ? __pfx_generic_perform_write+0x10/0x10
[ 86.560322][ T5352] ? file_update_time_flags+0x2cb/0x4e0
[ 86.562687][ T5352] ? __generic_file_write_iter+0xf9/0x230
[ 86.565157][ T5352] ? generic_file_write_iter+0x103/0x550
[ 86.567580][ T5352] generic_file_write_iter+0x117/0x550
[ 86.569954][ T5352] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.572595][ T5352] ? __lock_acquire+0x6b6/0x2cf0
[ 86.574772][ T5352] ? __pfx_aa_file_perm+0x10/0x10
[ 86.577062][ T5352] ? rcu_read_lock_any_held+0xb3/0x120
[ 86.579438][ T5352] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 86.581903][ T5352] vfs_write+0x5c9/0xb30
[ 86.583810][ T5352] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.586207][ T5352] ? __pfx_vfs_write+0x10/0x10
[ 86.588379][ T5352] ? __fget_files+0x2a/0x420
[ 86.590326][ T5352] __x64_sys_pwrite64+0x193/0x220
[ 86.592488][ T5352] ? __pfx___x64_sys_pwrite64+0x10/0x10
[ 86.594855][ T5352] ? do_syscall_64+0xbe/0xf80
[ 86.596897][ T5352] do_syscall_64+0xfa/0xf80
[ 86.598837][ T5352] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.601391][ T5352] ? clear_bhb_loop+0x60/0xb0
[ 86.603396][ T5352] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.605998][ T5352] RIP: 0033:0x7fcbe4d8f7c9
[ 86.607889][ T5352] 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
[ 86.615801][ T5352] RSP: 002b:00007fcbe5cdc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
[ 86.619320][ T5352] RAX: ffffffffffffffda RBX: 00007fcbe4fe6090 RCX: 00007fcbe4d8f7c9
[ 86.622672][ T5352] RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000007
[ 86.625904][ T5352] RBP: 00007fcbe4e13f91 R08: 0000000000000000 R09: 0000000000000000
[ 86.629397][ T5352] R10: 0000000000000e7c R11: 0000000000000246 R12: 0000000000000000
[ 86.632768][ T5352] R13: 00007fcbe4fe6128 R14: 00007fcbe4fe6090 R15: 00007ffe238320a8
[ 86.636290][ T5352]
[ 86.637977][ T5352] Kernel Offset: disabled
[ 86.639878][ T5352] Rebooting in 86400 seconds..