58.645632][ T7226] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  558.645641][ T7226] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  558.645655][ T7226] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  558.645663][ T7226] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  558.645669][ T7226] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  558.645676][ T7226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  558.645682][ T7226] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  558.645698][ T7226]  </TASK>
[  559.096600][ T7229] FAULT_INJECTION: forcing a failure.
[  559.096600][ T7229] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  559.096625][ T7229] CPU: 0 UID: 0 PID: 7229 Comm: syz.3.688 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  559.096638][ T7229] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  559.096644][ T7229] Call Trace:
[  559.096649][ T7229]  <TASK>
[  559.096654][ T7229]  dump_stack_lvl+0x241/0x360
[  559.096673][ T7229]  ? __pfx_dump_stack_lvl+0x10/0x10
[  559.096684][ T7229]  ? __pfx__printk+0x10/0x10
[  559.096698][ T7229]  ? snprintf+0xda/0x120
[  559.096713][ T7229]  should_fail_ex+0x40a/0x550
[  559.096732][ T7229]  _copy_to_user+0x31/0xb0
[  559.096757][ T7229]  simple_read_from_buffer+0xca/0x150
[  559.096774][ T7229]  proc_fail_nth_read+0x1e9/0x250
[  559.096790][ T7229]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  559.096805][ T7229]  ? rw_verify_area+0x243/0x630
[  559.096817][ T7229]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  559.096831][ T7229]  vfs_read+0x1f8/0xb40
[  559.096843][ T7229]  ? fdget_pos+0x254/0x320
[  559.096857][ T7229]  ? __pfx___mutex_lock+0x10/0x10
[  559.096873][ T7229]  ? __pfx_vfs_read+0x10/0x10
[  559.096883][ T7229]  ? do_sys_openat2+0x17a/0x1d0
[  559.096899][ T7229]  ? __fget_files+0x2a/0x410
[  559.096913][ T7229]  ? __fget_files+0x395/0x410
[  559.096927][ T7229]  ? __fget_files+0x2a/0x410
[  559.096950][ T7229]  ksys_read+0x18f/0x2b0
[  559.096961][ T7229]  ? __pfx_ksys_read+0x10/0x10
[  559.096977][ T7229]  ? do_syscall_64+0x100/0x230
[  559.096988][ T7229]  ? do_syscall_64+0xb6/0x230
[  559.096999][ T7229]  do_syscall_64+0xf3/0x230
[  559.097009][ T7229]  ? clear_bhb_loop+0x35/0x90
[  559.097023][ T7229]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  559.097037][ T7229] RIP: 0033:0x7f1fe338bb7c
[  559.097048][ T7229] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  559.097058][ T7229] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  559.097071][ T7229] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  559.097079][ T7229] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  559.097086][ T7229] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  559.097093][ T7229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  559.097100][ T7229] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  559.097115][ T7229]  </TASK>
[  559.682498][ T7231] FAULT_INJECTION: forcing a failure.
[  559.682498][ T7231] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  559.682524][ T7231] CPU: 0 UID: 0 PID: 7231 Comm: syz.5.689 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  559.682537][ T7231] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  559.682544][ T7231] Call Trace:
[  559.682548][ T7231]  <TASK>
[  559.682553][ T7231]  dump_stack_lvl+0x241/0x360
[  559.682572][ T7231]  ? __pfx_dump_stack_lvl+0x10/0x10
[  559.682584][ T7231]  ? __pfx__printk+0x10/0x10
[  559.682598][ T7231]  ? snprintf+0xda/0x120
[  559.682614][ T7231]  should_fail_ex+0x40a/0x550
[  559.682633][ T7231]  _copy_to_user+0x31/0xb0
[  559.682650][ T7231]  simple_read_from_buffer+0xca/0x150
[  559.682666][ T7231]  proc_fail_nth_read+0x1e9/0x250
[  559.682683][ T7231]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  559.682698][ T7231]  ? rw_verify_area+0x243/0x630
[  559.682710][ T7231]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  559.682725][ T7231]  vfs_read+0x1f8/0xb40
[  559.682737][ T7231]  ? fdget_pos+0x254/0x320
[  559.682752][ T7231]  ? __pfx___mutex_lock+0x10/0x10
[  559.682777][ T7231]  ? __pfx_vfs_read+0x10/0x10
[  559.682786][ T7231]  ? do_sys_openat2+0x17a/0x1d0
[  559.682802][ T7231]  ? __fget_files+0x2a/0x410
[  559.682817][ T7231]  ? __fget_files+0x395/0x410
[  559.682830][ T7231]  ? __fget_files+0x2a/0x410
[  559.682848][ T7231]  ksys_read+0x18f/0x2b0
[  559.682861][ T7231]  ? __pfx_ksys_read+0x10/0x10
[  559.682872][ T7231]  ? do_syscall_64+0x100/0x230
[  559.682884][ T7231]  ? do_syscall_64+0xb6/0x230
[  559.682896][ T7231]  do_syscall_64+0xf3/0x230
[  559.682905][ T7231]  ? clear_bhb_loop+0x35/0x90
[  559.682923][ T7231]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  559.682936][ T7231] RIP: 0033:0x7f942cf8bb7c
[  559.682947][ T7231] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  559.682956][ T7231] RSP: 002b:00007f942dd22030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  559.682970][ T7231] RAX: ffffffffffffffda RBX: 00007f942d1a5fa0 RCX: 00007f942cf8bb7c
[  559.682978][ T7231] RDX: 000000000000000f RSI: 00007f942dd220a0 RDI: 0000000000000004
[  559.682985][ T7231] RBP: 00007f942dd22090 R08: 0000000000000000 R09: 0000000000000000
[  559.682991][ T7231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  559.682998][ T7231] R13: 0000000000000000 R14: 00007f942d1a5fa0 R15: 00007fff43bbce08
[  559.683014][ T7231]  </TASK>
[  560.085113][ T7233] FAULT_INJECTION: forcing a failure.
[  560.085113][ T7233] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  560.085139][ T7233] CPU: 0 UID: 0 PID: 7233 Comm: syz.6.690 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  560.085152][ T7233] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  560.085160][ T7233] Call Trace:
[  560.085164][ T7233]  <TASK>
[  560.085169][ T7233]  dump_stack_lvl+0x241/0x360
[  560.085189][ T7233]  ? __pfx_dump_stack_lvl+0x10/0x10
[  560.085201][ T7233]  ? __pfx__printk+0x10/0x10
[  560.085215][ T7233]  ? snprintf+0xda/0x120
[  560.085230][ T7233]  should_fail_ex+0x40a/0x550
[  560.085249][ T7233]  _copy_to_user+0x31/0xb0
[  560.085264][ T7233]  simple_read_from_buffer+0xca/0x150
[  560.085281][ T7233]  proc_fail_nth_read+0x1e9/0x250
[  560.085298][ T7233]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  560.085313][ T7233]  ? rw_verify_area+0x243/0x630
[  560.085324][ T7233]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  560.085338][ T7233]  vfs_read+0x1f8/0xb40
[  560.085351][ T7233]  ? fdget_pos+0x254/0x320
[  560.085366][ T7233]  ? __pfx___mutex_lock+0x10/0x10
[  560.085382][ T7233]  ? __pfx_vfs_read+0x10/0x10
[  560.085392][ T7233]  ? do_sys_openat2+0x17a/0x1d0
[  560.085408][ T7233]  ? __fget_files+0x2a/0x410
[  560.085422][ T7233]  ? __fget_files+0x395/0x410
[  560.085436][ T7233]  ? __fget_files+0x2a/0x410
[  560.085453][ T7233]  ksys_read+0x18f/0x2b0
[  560.085465][ T7233]  ? __pfx_ksys_read+0x10/0x10
[  560.085477][ T7233]  ? do_syscall_64+0x100/0x230
[  560.085489][ T7233]  ? do_syscall_64+0xb6/0x230
[  560.085501][ T7233]  do_syscall_64+0xf3/0x230
[  560.085510][ T7233]  ? clear_bhb_loop+0x35/0x90
[  560.085528][ T7233]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  560.085542][ T7233] RIP: 0033:0x7f480178bb7c
[  560.085553][ T7233] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  560.085562][ T7233] RSP: 002b:00007f480251c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  560.085575][ T7233] RAX: ffffffffffffffda RBX: 00007f48019a5fa0 RCX: 00007f480178bb7c
[  560.085583][ T7233] RDX: 000000000000000f RSI: 00007f480251c0a0 RDI: 0000000000000004
[  560.085590][ T7233] RBP: 00007f480251c090 R08: 0000000000000000 R09: 0000000000000000
[  560.085596][ T7233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  560.085603][ T7233] R13: 0000000000000000 R14: 00007f48019a5fa0 R15: 00007ffd22398058
[  560.085619][ T7233]  </TASK>
[  560.135193][ T7235] FAULT_INJECTION: forcing a failure.
[  560.135193][ T7235] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  560.135211][ T7235] CPU: 0 UID: 0 PID: 7235 Comm: syz.2.691 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  560.135221][ T7235] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  560.135225][ T7235] Call Trace:
[  560.135228][ T7235]  <TASK>
[  560.135231][ T7235]  dump_stack_lvl+0x241/0x360
[  560.135244][ T7235]  ? __pfx_dump_stack_lvl+0x10/0x10
[  560.135284][ T7235]  ? __pfx__printk+0x10/0x10
[  560.135294][ T7235]  ? snprintf+0xda/0x120
[  560.135304][ T7235]  should_fail_ex+0x40a/0x550
[  560.135317][ T7235]  _copy_to_user+0x31/0xb0
[  560.135328][ T7235]  simple_read_from_buffer+0xca/0x150
[  560.135338][ T7235]  proc_fail_nth_read+0x1e9/0x250
[  560.135349][ T7235]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  560.135360][ T7235]  ? rw_verify_area+0x243/0x630
[  560.135367][ T7235]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  560.135377][ T7235]  vfs_read+0x1f8/0xb40
[  560.135384][ T7235]  ? fdget_pos+0x254/0x320
[  560.135395][ T7235]  ? __pfx___mutex_lock+0x10/0x10
[  560.135406][ T7235]  ? __pfx_vfs_read+0x10/0x10
[  560.135412][ T7235]  ? do_sys_openat2+0x17a/0x1d0
[  560.135423][ T7235]  ? __fget_files+0x2a/0x410
[  560.135433][ T7235]  ? __fget_files+0x395/0x410
[  560.135442][ T7235]  ? __fget_files+0x2a/0x410
[  560.135455][ T7235]  ksys_read+0x18f/0x2b0
[  560.135462][ T7235]  ? __pfx_ksys_read+0x10/0x10
[  560.135470][ T7235]  ? do_syscall_64+0x100/0x230
[  560.135477][ T7235]  ? do_syscall_64+0xb6/0x230
[  560.135485][ T7235]  do_syscall_64+0xf3/0x230
[  560.135491][ T7235]  ? clear_bhb_loop+0x35/0x90
[  560.135502][ T7235]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  560.135511][ T7235] RIP: 0033:0x7fc4ead8bb7c
[  560.135519][ T7235] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  560.135525][ T7235] RSP: 002b:00007fc4ebcc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  560.135535][ T7235] RAX: ffffffffffffffda RBX: 00007fc4eafa5fa0 RCX: 00007fc4ead8bb7c
[  560.135543][ T7235] RDX: 000000000000000f RSI: 00007fc4ebcc80a0 RDI: 0000000000000004
[  560.135550][ T7235] RBP: 00007fc4ebcc8090 R08: 0000000000000000 R09: 0000000000000000
[  560.135555][ T7235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  560.135561][ T7235] R13: 0000000000000000 R14: 00007fc4eafa5fa0 R15: 00007fff0ae9e3c8
[  560.135577][ T7235]  </TASK>
[  560.532377][ T7238] FAULT_INJECTION: forcing a failure.
[  560.532377][ T7238] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  560.532395][ T7238] CPU: 0 UID: 0 PID: 7238 Comm: syz.4.692 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  560.532404][ T7238] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  560.532408][ T7238] Call Trace:
[  560.532411][ T7238]  <TASK>
[  560.532415][ T7238]  dump_stack_lvl+0x241/0x360
[  560.532427][ T7238]  ? __pfx_dump_stack_lvl+0x10/0x10
[  560.532435][ T7238]  ? __pfx__printk+0x10/0x10
[  560.532444][ T7238]  ? snprintf+0xda/0x120
[  560.532456][ T7238]  should_fail_ex+0x40a/0x550
[  560.532473][ T7238]  _copy_to_user+0x31/0xb0
[  560.532489][ T7238]  simple_read_from_buffer+0xca/0x150
[  560.532506][ T7238]  proc_fail_nth_read+0x1e9/0x250
[  560.532523][ T7238]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  560.532539][ T7238]  ? rw_verify_area+0x243/0x630
[  560.532550][ T7238]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  560.532560][ T7238]  vfs_read+0x1f8/0xb40
[  560.532568][ T7238]  ? fdget_pos+0x254/0x320
[  560.532578][ T7238]  ? __pfx___mutex_lock+0x10/0x10
[  560.532593][ T7238]  ? __pfx_vfs_read+0x10/0x10
[  560.532601][ T7238]  ? do_sys_openat2+0x17a/0x1d0
[  560.532615][ T7238]  ? __fget_files+0x2a/0x410
[  560.532630][ T7238]  ? __fget_files+0x395/0x410
[  560.532644][ T7238]  ? __fget_files+0x2a/0x410
[  560.532664][ T7238]  ksys_read+0x18f/0x2b0
[  560.532676][ T7238]  ? __pfx_ksys_read+0x10/0x10
[  560.532687][ T7238]  ? do_syscall_64+0x100/0x230
[  560.532698][ T7238]  ? do_syscall_64+0xb6/0x230
[  560.532709][ T7238]  do_syscall_64+0xf3/0x230
[  560.532719][ T7238]  ? clear_bhb_loop+0x35/0x90
[  560.532735][ T7238]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  560.532749][ T7238] RIP: 0033:0x7f03f1f8bb7c
[  560.532759][ T7238] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  560.532768][ T7238] RSP: 002b:00007f03f2d9e030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  560.532777][ T7238] RAX: ffffffffffffffda RBX: 00007f03f21a5fa0 RCX: 00007f03f1f8bb7c
[  560.532783][ T7238] RDX: 000000000000000f RSI: 00007f03f2d9e0a0 RDI: 0000000000000004
[  560.532789][ T7238] RBP: 00007f03f2d9e090 R08: 0000000000000000 R09: 0000000000000000
[  560.532793][ T7238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  560.532797][ T7238] R13: 0000000000000000 R14: 00007f03f21a5fa0 R15: 00007ffc7685b608
[  560.532807][ T7238]  </TASK>
[  560.603350][ T7239] FAULT_INJECTION: forcing a failure.
[  560.603350][ T7239] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  560.603374][ T7239] CPU: 0 UID: 0 PID: 7239 Comm: syz.1.693 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  560.603383][ T7239] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  560.603388][ T7239] Call Trace:
[  560.603391][ T7239]  <TASK>
[  560.603394][ T7239]  dump_stack_lvl+0x241/0x360
[  560.603408][ T7239]  ? __pfx_dump_stack_lvl+0x10/0x10
[  560.603416][ T7239]  ? __pfx__printk+0x10/0x10
[  560.603430][ T7239]  ? snprintf+0xda/0x120
[  560.603445][ T7239]  should_fail_ex+0x40a/0x550
[  560.603464][ T7239]  _copy_to_user+0x31/0xb0
[  560.603480][ T7239]  simple_read_from_buffer+0xca/0x150
[  560.603497][ T7239]  proc_fail_nth_read+0x1e9/0x250
[  560.603513][ T7239]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  560.603529][ T7239]  ? rw_verify_area+0x243/0x630
[  560.603540][ T7239]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  560.603554][ T7239]  vfs_read+0x1f8/0xb40
[  560.603566][ T7239]  ? fdget_pos+0x254/0x320
[  560.603582][ T7239]  ? __pfx___mutex_lock+0x10/0x10
[  560.603599][ T7239]  ? __pfx_vfs_read+0x10/0x10
[  560.603608][ T7239]  ? do_sys_openat2+0x17a/0x1d0
[  560.603623][ T7239]  ? __fget_files+0x2a/0x410
[  560.603637][ T7239]  ? __fget_files+0x395/0x410
[  560.603649][ T7239]  ? __fget_files+0x2a/0x410
[  560.603669][ T7239]  ksys_read+0x18f/0x2b0
[  560.603681][ T7239]  ? __pfx_ksys_read+0x10/0x10
[  560.603692][ T7239]  ? do_syscall_64+0x100/0x230
[  560.603705][ T7239]  ? do_syscall_64+0xb6/0x230
[  560.603716][ T7239]  do_syscall_64+0xf3/0x230
[  560.603723][ T7239]  ? clear_bhb_loop+0x35/0x90
[  560.603734][ T7239]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  560.603743][ T7239] RIP: 0033:0x7f16d658bb7c
[  560.603753][ T7239] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  560.603762][ T7239] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  560.603773][ T7239] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  560.603781][ T7239] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  560.603788][ T7239] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  560.603794][ T7239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  560.603801][ T7239] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  560.603818][ T7239]  </TASK>
[  561.041098][ T7241] FAULT_INJECTION: forcing a failure.
[  561.041098][ T7241] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  561.041118][ T7241] CPU: 0 UID: 0 PID: 7241 Comm: syz.3.694 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  561.041127][ T7241] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  561.041131][ T7241] Call Trace:
[  561.041134][ T7241]  <TASK>
[  561.041138][ T7241]  dump_stack_lvl+0x241/0x360
[  561.041156][ T7241]  ? __pfx_dump_stack_lvl+0x10/0x10
[  561.041168][ T7241]  ? __pfx__printk+0x10/0x10
[  561.041202][ T7241]  ? snprintf+0xda/0x120
[  561.041219][ T7241]  should_fail_ex+0x40a/0x550
[  561.041235][ T7241]  _copy_to_user+0x31/0xb0
[  561.041251][ T7241]  simple_read_from_buffer+0xca/0x150
[  561.041266][ T7241]  proc_fail_nth_read+0x1e9/0x250
[  561.041283][ T7241]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  561.041299][ T7241]  ? rw_verify_area+0x243/0x630
[  561.041310][ T7241]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  561.041325][ T7241]  vfs_read+0x1f8/0xb40
[  561.041333][ T7241]  ? fdget_pos+0x254/0x320
[  561.041343][ T7241]  ? __pfx___mutex_lock+0x10/0x10
[  561.041356][ T7241]  ? __pfx_vfs_read+0x10/0x10
[  561.041367][ T7241]  ? do_sys_openat2+0x17a/0x1d0
[  561.041378][ T7241]  ? __fget_files+0x2a/0x410
[  561.041393][ T7241]  ? __fget_files+0x395/0x410
[  561.041402][ T7241]  ? __fget_files+0x2a/0x410
[  561.041415][ T7241]  ksys_read+0x18f/0x2b0
[  561.041423][ T7241]  ? __pfx_ksys_read+0x10/0x10
[  561.041434][ T7241]  ? do_syscall_64+0x100/0x230
[  561.041442][ T7241]  ? do_syscall_64+0xb6/0x230
[  561.041449][ T7241]  do_syscall_64+0xf3/0x230
[  561.041455][ T7241]  ? clear_bhb_loop+0x35/0x90
[  561.041466][ T7241]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  561.041475][ T7241] RIP: 0033:0x7f1fe338bb7c
[  561.041484][ T7241] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  561.041490][ T7241] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  561.041499][ T7241] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  561.041505][ T7241] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  561.041509][ T7241] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  561.041513][ T7241] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  561.041519][ T7241] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  561.041533][ T7241]  </TASK>
[  561.672140][ T7243] FAULT_INJECTION: forcing a failure.
[  561.672140][ T7243] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  561.672165][ T7243] CPU: 0 UID: 0 PID: 7243 Comm: syz.5.695 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  561.672177][ T7243] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  561.672184][ T7243] Call Trace:
[  561.672188][ T7243]  <TASK>
[  561.672193][ T7243]  dump_stack_lvl+0x241/0x360
[  561.672212][ T7243]  ? __pfx_dump_stack_lvl+0x10/0x10
[  561.672223][ T7243]  ? __pfx__printk+0x10/0x10
[  561.672238][ T7243]  ? snprintf+0xda/0x120
[  561.672255][ T7243]  should_fail_ex+0x40a/0x550
[  561.672274][ T7243]  _copy_to_user+0x31/0xb0
[  561.672290][ T7243]  simple_read_from_buffer+0xca/0x150
[  561.672306][ T7243]  proc_fail_nth_read+0x1e9/0x250
[  561.672323][ T7243]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  561.672337][ T7243]  ? rw_verify_area+0x243/0x630
[  561.672348][ T7243]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  561.672362][ T7243]  vfs_read+0x1f8/0xb40
[  561.672375][ T7243]  ? fdget_pos+0x254/0x320
[  561.672390][ T7243]  ? __pfx___mutex_lock+0x10/0x10
[  561.672405][ T7243]  ? __pfx_vfs_read+0x10/0x10
[  561.672415][ T7243]  ? do_sys_openat2+0x17a/0x1d0
[  561.672430][ T7243]  ? __fget_files+0x2a/0x410
[  561.672445][ T7243]  ? __fget_files+0x395/0x410
[  561.672458][ T7243]  ? __fget_files+0x2a/0x410
[  561.672477][ T7243]  ksys_read+0x18f/0x2b0
[  561.672490][ T7243]  ? __pfx_ksys_read+0x10/0x10
[  561.672501][ T7243]  ? do_syscall_64+0x100/0x230
[  561.672513][ T7243]  ? do_syscall_64+0xb6/0x230
[  561.672524][ T7243]  do_syscall_64+0xf3/0x230
[  561.672534][ T7243]  ? clear_bhb_loop+0x35/0x90
[  561.672550][ T7243]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  561.672564][ T7243] RIP: 0033:0x7f942cf8bb7c
[  561.672575][ T7243] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  561.672584][ T7243] RSP: 002b:00007f942dd22030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  561.672597][ T7243] RAX: ffffffffffffffda RBX: 00007f942d1a5fa0 RCX: 00007f942cf8bb7c
[  561.672605][ T7243] RDX: 000000000000000f RSI: 00007f942dd220a0 RDI: 0000000000000004
[  561.672612][ T7243] RBP: 00007f942dd22090 R08: 0000000000000000 R09: 0000000000000000
[  561.672619][ T7243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  561.672625][ T7243] R13: 0000000000000000 R14: 00007f942d1a5fa0 R15: 00007fff43bbce08
[  561.672642][ T7243]  </TASK>
[  562.001016][ T7245] FAULT_INJECTION: forcing a failure.
[  562.001016][ T7245] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  562.001034][ T7245] CPU: 0 UID: 0 PID: 7245 Comm: syz.6.696 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  562.001047][ T7245] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  562.001053][ T7245] Call Trace:
[  562.001058][ T7245]  <TASK>
[  562.001063][ T7245]  dump_stack_lvl+0x241/0x360
[  562.001080][ T7245]  ? __pfx_dump_stack_lvl+0x10/0x10
[  562.001090][ T7245]  ? __pfx__printk+0x10/0x10
[  562.001103][ T7245]  ? snprintf+0xda/0x120
[  562.001118][ T7245]  should_fail_ex+0x40a/0x550
[  562.001137][ T7245]  _copy_to_user+0x31/0xb0
[  562.001149][ T7245]  simple_read_from_buffer+0xca/0x150
[  562.001160][ T7245]  proc_fail_nth_read+0x1e9/0x250
[  562.001171][ T7245]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  562.001201][ T7245]  ? rw_verify_area+0x243/0x630
[  562.001210][ T7245]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  562.001219][ T7245]  vfs_read+0x1f8/0xb40
[  562.001229][ T7245]  ? fdget_pos+0x254/0x320
[  562.001243][ T7245]  ? __pfx___mutex_lock+0x10/0x10
[  562.001259][ T7245]  ? __pfx_vfs_read+0x10/0x10
[  562.001268][ T7245]  ? do_sys_openat2+0x17a/0x1d0
[  562.001283][ T7245]  ? __fget_files+0x2a/0x410
[  562.001297][ T7245]  ? __fget_files+0x395/0x410
[  562.001310][ T7245]  ? __fget_files+0x2a/0x410
[  562.001329][ T7245]  ksys_read+0x18f/0x2b0
[  562.001342][ T7245]  ? __pfx_ksys_read+0x10/0x10
[  562.001350][ T7245]  ? do_syscall_64+0x100/0x230
[  562.001358][ T7245]  ? do_syscall_64+0xb6/0x230
[  562.001367][ T7245]  do_syscall_64+0xf3/0x230
[  562.001376][ T7245]  ? clear_bhb_loop+0x35/0x90
[  562.001392][ T7245]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  562.001405][ T7245] RIP: 0033:0x7f480178bb7c
[  562.001416][ T7245] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  562.001425][ T7245] RSP: 002b:00007f480251c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  562.001438][ T7245] RAX: ffffffffffffffda RBX: 00007f48019a5fa0 RCX: 00007f480178bb7c
[  562.001446][ T7245] RDX: 000000000000000f RSI: 00007f480251c0a0 RDI: 0000000000000004
[  562.001453][ T7245] RBP: 00007f480251c090 R08: 0000000000000000 R09: 0000000000000000
[  562.001460][ T7245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  562.001466][ T7245] R13: 0000000000000000 R14: 00007f48019a5fa0 R15: 00007ffd22398058
[  562.001481][ T7245]  </TASK>
[  562.025829][ T7247] FAULT_INJECTION: forcing a failure.
[  562.025829][ T7247] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  562.025852][ T7247] CPU: 0 UID: 0 PID: 7247 Comm: syz.2.697 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  562.025865][ T7247] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  562.025872][ T7247] Call Trace:
[  562.025876][ T7247]  <TASK>
[  562.025882][ T7247]  dump_stack_lvl+0x241/0x360
[  562.025900][ T7247]  ? __pfx_dump_stack_lvl+0x10/0x10
[  562.025911][ T7247]  ? __pfx__printk+0x10/0x10
[  562.025925][ T7247]  ? snprintf+0xda/0x120
[  562.025940][ T7247]  should_fail_ex+0x40a/0x550
[  562.025958][ T7247]  _copy_to_user+0x31/0xb0
[  562.025974][ T7247]  simple_read_from_buffer+0xca/0x150
[  562.025990][ T7247]  proc_fail_nth_read+0x1e9/0x250
[  562.026005][ T7247]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  562.026020][ T7247]  ? rw_verify_area+0x243/0x630
[  562.026031][ T7247]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  562.026046][ T7247]  vfs_read+0x1f8/0xb40
[  562.026058][ T7247]  ? fdget_pos+0x254/0x320
[  562.026072][ T7247]  ? __pfx___mutex_lock+0x10/0x10
[  562.026087][ T7247]  ? __pfx_vfs_read+0x10/0x10
[  562.026096][ T7247]  ? do_sys_openat2+0x17a/0x1d0
[  562.026111][ T7247]  ? __fget_files+0x2a/0x410
[  562.026126][ T7247]  ? __fget_files+0x395/0x410
[  562.026140][ T7247]  ? __fget_files+0x2a/0x410
[  562.026159][ T7247]  ksys_read+0x18f/0x2b0
[  562.026172][ T7247]  ? __pfx_ksys_read+0x10/0x10
[  562.026183][ T7247]  ? do_syscall_64+0x100/0x230
[  562.026195][ T7247]  ? do_syscall_64+0xb6/0x230
[  562.026206][ T7247]  do_syscall_64+0xf3/0x230
[  562.026215][ T7247]  ? clear_bhb_loop+0x35/0x90
[  562.026231][ T7247]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  562.026245][ T7247] RIP: 0033:0x7fc4ead8bb7c
[  562.026256][ T7247] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  562.026265][ T7247] RSP: 002b:00007fc4ebcc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  562.026278][ T7247] RAX: ffffffffffffffda RBX: 00007fc4eafa5fa0 RCX: 00007fc4ead8bb7c
[  562.026286][ T7247] RDX: 000000000000000f RSI: 00007fc4ebcc80a0 RDI: 0000000000000004
[  562.026293][ T7247] RBP: 00007fc4ebcc8090 R08: 0000000000000000 R09: 0000000000000000
[  562.026300][ T7247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  562.026307][ T7247] R13: 0000000000000000 R14: 00007fc4eafa5fa0 R15: 00007fff0ae9e3c8
[  562.026323][ T7247]  </TASK>
[  562.492402][ T7251] FAULT_INJECTION: forcing a failure.
[  562.492402][ T7251] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  562.492427][ T7251] CPU: 0 UID: 0 PID: 7251 Comm: syz.1.699 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  562.492440][ T7251] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  562.492447][ T7251] Call Trace:
[  562.492451][ T7251]  <TASK>
[  562.492457][ T7251]  dump_stack_lvl+0x241/0x360
[  562.492476][ T7251]  ? __pfx_dump_stack_lvl+0x10/0x10
[  562.492486][ T7251]  ? __pfx__printk+0x10/0x10
[  562.492502][ T7251]  ? snprintf+0xda/0x120
[  562.492516][ T7251]  should_fail_ex+0x40a/0x550
[  562.492536][ T7251]  _copy_to_user+0x31/0xb0
[  562.492551][ T7251]  simple_read_from_buffer+0xca/0x150
[  562.492569][ T7251]  proc_fail_nth_read+0x1e9/0x250
[  562.492585][ T7251]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  562.492601][ T7251]  ? rw_verify_area+0x243/0x630
[  562.492612][ T7251]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  562.492627][ T7251]  vfs_read+0x1f8/0xb40
[  562.492639][ T7251]  ? fdget_pos+0x254/0x320
[  562.492655][ T7251]  ? __pfx___mutex_lock+0x10/0x10
[  562.492671][ T7251]  ? __pfx_vfs_read+0x10/0x10
[  562.492681][ T7251]  ? do_sys_openat2+0x17a/0x1d0
[  562.492696][ T7251]  ? __fget_files+0x2a/0x410
[  562.492711][ T7251]  ? __fget_files+0x395/0x410
[  562.492724][ T7251]  ? __fget_files+0x2a/0x410
[  562.492742][ T7251]  ksys_read+0x18f/0x2b0
[  562.492753][ T7251]  ? __pfx_ksys_read+0x10/0x10
[  562.492765][ T7251]  ? do_syscall_64+0x100/0x230
[  562.492777][ T7251]  ? do_syscall_64+0xb6/0x230
[  562.492787][ T7251]  do_syscall_64+0xf3/0x230
[  562.492797][ T7251]  ? clear_bhb_loop+0x35/0x90
[  562.492814][ T7251]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  562.492828][ T7251] RIP: 0033:0x7f16d658bb7c
[  562.492838][ T7251] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  562.492847][ T7251] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  562.492867][ T7251] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  562.492880][ T7251] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  562.492886][ T7251] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  562.492892][ T7251] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  562.492898][ T7251] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  562.492915][ T7251]  </TASK>
[  562.525042][ T7249] FAULT_INJECTION: forcing a failure.
[  562.525042][ T7249] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  562.525064][ T7249] CPU: 0 UID: 0 PID: 7249 Comm: syz.4.698 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  562.525074][ T7249] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  562.525079][ T7249] Call Trace:
[  562.525082][ T7249]  <TASK>
[  562.525085][ T7249]  dump_stack_lvl+0x241/0x360
[  562.525098][ T7249]  ? __pfx_dump_stack_lvl+0x10/0x10
[  562.525106][ T7249]  ? __pfx__printk+0x10/0x10
[  562.525115][ T7249]  ? snprintf+0xda/0x120
[  562.525125][ T7249]  should_fail_ex+0x40a/0x550
[  562.525137][ T7249]  _copy_to_user+0x31/0xb0
[  562.525153][ T7249]  simple_read_from_buffer+0xca/0x150
[  562.525168][ T7249]  proc_fail_nth_read+0x1e9/0x250
[  562.525179][ T7249]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  562.525190][ T7249]  ? rw_verify_area+0x243/0x630
[  562.525198][ T7249]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  562.525207][ T7249]  vfs_read+0x1f8/0xb40
[  562.525215][ T7249]  ? fdget_pos+0x254/0x320
[  562.525226][ T7249]  ? __pfx___mutex_lock+0x10/0x10
[  562.525237][ T7249]  ? __pfx_vfs_read+0x10/0x10
[  562.525243][ T7249]  ? do_sys_openat2+0x17a/0x1d0
[  562.525253][ T7249]  ? __fget_files+0x2a/0x410
[  562.525263][ T7249]  ? __fget_files+0x395/0x410
[  562.525272][ T7249]  ? __fget_files+0x2a/0x410
[  562.525285][ T7249]  ksys_read+0x18f/0x2b0
[  562.525292][ T7249]  ? __pfx_ksys_read+0x10/0x10
[  562.525300][ T7249]  ? do_syscall_64+0x100/0x230
[  562.525308][ T7249]  ? do_syscall_64+0xb6/0x230
[  562.525315][ T7249]  do_syscall_64+0xf3/0x230
[  562.525321][ T7249]  ? clear_bhb_loop+0x35/0x90
[  562.525333][ T7249]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  562.525342][ T7249] RIP: 0033:0x7f03f1f8bb7c
[  562.525349][ T7249] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  562.525355][ T7249] RSP: 002b:00007f03f2d9e030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  562.525365][ T7249] RAX: ffffffffffffffda RBX: 00007f03f21a5fa0 RCX: 00007f03f1f8bb7c
[  562.525373][ T7249] RDX: 000000000000000f RSI: 00007f03f2d9e0a0 RDI: 0000000000000004
[  562.525379][ T7249] RBP: 00007f03f2d9e090 R08: 0000000000000000 R09: 0000000000000000
[  562.525385][ T7249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  562.525391][ T7249] R13: 0000000000000000 R14: 00007f03f21a5fa0 R15: 00007ffc7685b608
[  562.525405][ T7249]  </TASK>
[  563.032404][ T7253] FAULT_INJECTION: forcing a failure.
[  563.032404][ T7253] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  563.032429][ T7253] CPU: 0 UID: 0 PID: 7253 Comm: syz.3.700 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  563.032442][ T7253] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  563.032449][ T7253] Call Trace:
[  563.032453][ T7253]  <TASK>
[  563.032459][ T7253]  dump_stack_lvl+0x241/0x360
[  563.032478][ T7253]  ? __pfx_dump_stack_lvl+0x10/0x10
[  563.032489][ T7253]  ? __pfx__printk+0x10/0x10
[  563.032503][ T7253]  ? snprintf+0xda/0x120
[  563.032518][ T7253]  should_fail_ex+0x40a/0x550
[  563.032538][ T7253]  _copy_to_user+0x31/0xb0
[  563.032554][ T7253]  simple_read_from_buffer+0xca/0x150
[  563.032571][ T7253]  proc_fail_nth_read+0x1e9/0x250
[  563.032588][ T7253]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  563.032602][ T7253]  ? rw_verify_area+0x243/0x630
[  563.032613][ T7253]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  563.032628][ T7253]  vfs_read+0x1f8/0xb40
[  563.032640][ T7253]  ? fdget_pos+0x254/0x320
[  563.032655][ T7253]  ? __pfx___mutex_lock+0x10/0x10
[  563.032668][ T7253]  ? __pfx_vfs_read+0x10/0x10
[  563.032674][ T7253]  ? do_sys_openat2+0x17a/0x1d0
[  563.032685][ T7253]  ? __fget_files+0x2a/0x410
[  563.032695][ T7253]  ? __fget_files+0x395/0x410
[  563.032704][ T7253]  ? __fget_files+0x2a/0x410
[  563.032716][ T7253]  ksys_read+0x18f/0x2b0
[  563.032730][ T7253]  ? __pfx_ksys_read+0x10/0x10
[  563.032739][ T7253]  ? do_syscall_64+0x100/0x230
[  563.032750][ T7253]  ? do_syscall_64+0xb6/0x230
[  563.032760][ T7253]  do_syscall_64+0xf3/0x230
[  563.032770][ T7253]  ? clear_bhb_loop+0x35/0x90
[  563.032787][ T7253]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  563.032801][ T7253] RIP: 0033:0x7f1fe338bb7c
[  563.032812][ T7253] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  563.032822][ T7253] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  563.032835][ T7253] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  563.032843][ T7253] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  563.032849][ T7253] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  563.032856][ T7253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  563.032862][ T7253] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  563.032877][ T7253]  </TASK>
[  563.644951][ T7255] FAULT_INJECTION: forcing a failure.
[  563.644951][ T7255] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  563.644976][ T7255] CPU: 0 UID: 0 PID: 7255 Comm: syz.5.701 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  563.644988][ T7255] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  563.644995][ T7255] Call Trace:
[  563.644999][ T7255]  <TASK>
[  563.645005][ T7255]  dump_stack_lvl+0x241/0x360
[  563.645023][ T7255]  ? __pfx_dump_stack_lvl+0x10/0x10
[  563.645035][ T7255]  ? __pfx__printk+0x10/0x10
[  563.645050][ T7255]  ? snprintf+0xda/0x120
[  563.645064][ T7255]  should_fail_ex+0x40a/0x550
[  563.645083][ T7255]  _copy_to_user+0x31/0xb0
[  563.645099][ T7255]  simple_read_from_buffer+0xca/0x150
[  563.645115][ T7255]  proc_fail_nth_read+0x1e9/0x250
[  563.645131][ T7255]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  563.645146][ T7255]  ? rw_verify_area+0x243/0x630
[  563.645158][ T7255]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  563.645172][ T7255]  vfs_read+0x1f8/0xb40
[  563.645183][ T7255]  ? fdget_pos+0x254/0x320
[  563.645199][ T7255]  ? __pfx___mutex_lock+0x10/0x10
[  563.645215][ T7255]  ? __pfx_vfs_read+0x10/0x10
[  563.645224][ T7255]  ? do_sys_openat2+0x17a/0x1d0
[  563.645240][ T7255]  ? __fget_files+0x2a/0x410
[  563.645255][ T7255]  ? __fget_files+0x395/0x410
[  563.645268][ T7255]  ? __fget_files+0x2a/0x410
[  563.645286][ T7255]  ksys_read+0x18f/0x2b0
[  563.645299][ T7255]  ? __pfx_ksys_read+0x10/0x10
[  563.645310][ T7255]  ? do_syscall_64+0x100/0x230
[  563.645322][ T7255]  ? do_syscall_64+0xb6/0x230
[  563.645333][ T7255]  do_syscall_64+0xf3/0x230
[  563.645343][ T7255]  ? clear_bhb_loop+0x35/0x90
[  563.645359][ T7255]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  563.645372][ T7255] RIP: 0033:0x7f942cf8bb7c
[  563.645383][ T7255] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  563.645414][ T7255] RSP: 002b:00007f942dd22030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  563.645429][ T7255] RAX: ffffffffffffffda RBX: 00007f942d1a5fa0 RCX: 00007f942cf8bb7c
[  563.645436][ T7255] RDX: 000000000000000f RSI: 00007f942dd220a0 RDI: 0000000000000004
[  563.645442][ T7255] RBP: 00007f942dd22090 R08: 0000000000000000 R09: 0000000000000000
[  563.645448][ T7255] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  563.645454][ T7255] R13: 0000000000000000 R14: 00007f942d1a5fa0 R15: 00007fff43bbce08
[  563.645471][ T7255]  </TASK>
[  564.012302][ T7258] FAULT_INJECTION: forcing a failure.
[  564.012302][ T7258] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  564.012327][ T7258] CPU: 0 UID: 0 PID: 7258 Comm: syz.6.702 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  564.012336][ T7258] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  564.012341][ T7258] Call Trace:
[  564.012344][ T7258]  <TASK>
[  564.012347][ T7258]  dump_stack_lvl+0x241/0x360
[  564.012359][ T7258]  ? __pfx_dump_stack_lvl+0x10/0x10
[  564.012370][ T7258]  ? __pfx__printk+0x10/0x10
[  564.012383][ T7258]  ? snprintf+0xda/0x120
[  564.012398][ T7258]  should_fail_ex+0x40a/0x550
[  564.012417][ T7258]  _copy_to_user+0x31/0xb0
[  564.012434][ T7258]  simple_read_from_buffer+0xca/0x150
[  564.012451][ T7258]  proc_fail_nth_read+0x1e9/0x250
[  564.012462][ T7258]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.012472][ T7258]  ? rw_verify_area+0x243/0x630
[  564.012479][ T7258]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.012493][ T7258]  vfs_read+0x1f8/0xb40
[  564.012504][ T7258]  ? fdget_pos+0x254/0x320
[  564.012517][ T7258]  ? __pfx___mutex_lock+0x10/0x10
[  564.012533][ T7258]  ? __pfx_vfs_read+0x10/0x10
[  564.012542][ T7258]  ? do_sys_openat2+0x17a/0x1d0
[  564.012557][ T7258]  ? __fget_files+0x2a/0x410
[  564.012571][ T7258]  ? __fget_files+0x395/0x410
[  564.012584][ T7258]  ? __fget_files+0x2a/0x410
[  564.012603][ T7258]  ksys_read+0x18f/0x2b0
[  564.012615][ T7258]  ? __pfx_ksys_read+0x10/0x10
[  564.012626][ T7258]  ? do_syscall_64+0x100/0x230
[  564.012638][ T7258]  ? do_syscall_64+0xb6/0x230
[  564.012649][ T7258]  do_syscall_64+0xf3/0x230
[  564.012658][ T7258]  ? clear_bhb_loop+0x35/0x90
[  564.012675][ T7258]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  564.012688][ T7258] RIP: 0033:0x7f480178bb7c
[  564.012699][ T7258] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  564.012708][ T7258] RSP: 002b:00007f480251c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  564.012721][ T7258] RAX: ffffffffffffffda RBX: 00007f48019a5fa0 RCX: 00007f480178bb7c
[  564.012736][ T7258] RDX: 000000000000000f RSI: 00007f480251c0a0 RDI: 0000000000000004
[  564.012743][ T7258] RBP: 00007f480251c090 R08: 0000000000000000 R09: 0000000000000000
[  564.012750][ T7258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  564.012756][ T7258] R13: 0000000000000000 R14: 00007f48019a5fa0 R15: 00007ffd22398058
[  564.012773][ T7258]  </TASK>
[  564.065030][ T7259] FAULT_INJECTION: forcing a failure.
[  564.065030][ T7259] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  564.065055][ T7259] CPU: 0 UID: 0 PID: 7259 Comm: syz.2.703 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  564.065067][ T7259] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  564.065074][ T7259] Call Trace:
[  564.065079][ T7259]  <TASK>
[  564.065084][ T7259]  dump_stack_lvl+0x241/0x360
[  564.065102][ T7259]  ? __pfx_dump_stack_lvl+0x10/0x10
[  564.065113][ T7259]  ? __pfx__printk+0x10/0x10
[  564.065128][ T7259]  ? snprintf+0xda/0x120
[  564.065142][ T7259]  should_fail_ex+0x40a/0x550
[  564.065162][ T7259]  _copy_to_user+0x31/0xb0
[  564.065177][ T7259]  simple_read_from_buffer+0xca/0x150
[  564.065195][ T7259]  proc_fail_nth_read+0x1e9/0x250
[  564.065211][ T7259]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.065227][ T7259]  ? rw_verify_area+0x243/0x630
[  564.065238][ T7259]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.065252][ T7259]  vfs_read+0x1f8/0xb40
[  564.065264][ T7259]  ? fdget_pos+0x254/0x320
[  564.065279][ T7259]  ? __pfx___mutex_lock+0x10/0x10
[  564.065297][ T7259]  ? __pfx_vfs_read+0x10/0x10
[  564.065306][ T7259]  ? do_sys_openat2+0x17a/0x1d0
[  564.065321][ T7259]  ? __fget_files+0x2a/0x410
[  564.065336][ T7259]  ? __fget_files+0x395/0x410
[  564.065349][ T7259]  ? __fget_files+0x2a/0x410
[  564.065368][ T7259]  ksys_read+0x18f/0x2b0
[  564.065380][ T7259]  ? __pfx_ksys_read+0x10/0x10
[  564.065389][ T7259]  ? do_syscall_64+0x100/0x230
[  564.065400][ T7259]  ? do_syscall_64+0xb6/0x230
[  564.065411][ T7259]  do_syscall_64+0xf3/0x230
[  564.065420][ T7259]  ? clear_bhb_loop+0x35/0x90
[  564.065438][ T7259]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  564.065451][ T7259] RIP: 0033:0x7fc4ead8bb7c
[  564.065461][ T7259] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  564.065469][ T7259] RSP: 002b:00007fc4ebcc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  564.065482][ T7259] RAX: ffffffffffffffda RBX: 00007fc4eafa5fa0 RCX: 00007fc4ead8bb7c
[  564.065489][ T7259] RDX: 000000000000000f RSI: 00007fc4ebcc80a0 RDI: 0000000000000004
[  564.065495][ T7259] RBP: 00007fc4ebcc8090 R08: 0000000000000000 R09: 0000000000000000
[  564.065501][ T7259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  564.065508][ T7259] R13: 0000000000000000 R14: 00007fc4eafa5fa0 R15: 00007fff0ae9e3c8
[  564.065524][ T7259]  </TASK>
[  564.476148][ T7261] FAULT_INJECTION: forcing a failure.
[  564.476148][ T7261] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  564.476173][ T7261] CPU: 0 UID: 0 PID: 7261 Comm: syz.1.704 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  564.476185][ T7261] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  564.476191][ T7261] Call Trace:
[  564.476195][ T7261]  <TASK>
[  564.476201][ T7261]  dump_stack_lvl+0x241/0x360
[  564.476219][ T7261]  ? __pfx_dump_stack_lvl+0x10/0x10
[  564.476232][ T7261]  ? __pfx__printk+0x10/0x10
[  564.476246][ T7261]  ? snprintf+0xda/0x120
[  564.476261][ T7261]  should_fail_ex+0x40a/0x550
[  564.476279][ T7261]  _copy_to_user+0x31/0xb0
[  564.476295][ T7261]  simple_read_from_buffer+0xca/0x150
[  564.476310][ T7261]  proc_fail_nth_read+0x1e9/0x250
[  564.476326][ T7261]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.476342][ T7261]  ? rw_verify_area+0x243/0x630
[  564.476352][ T7261]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.476367][ T7261]  vfs_read+0x1f8/0xb40
[  564.476379][ T7261]  ? fdget_pos+0x254/0x320
[  564.476394][ T7261]  ? __pfx___mutex_lock+0x10/0x10
[  564.476410][ T7261]  ? __pfx_vfs_read+0x10/0x10
[  564.476420][ T7261]  ? do_sys_openat2+0x17a/0x1d0
[  564.476435][ T7261]  ? __fget_files+0x2a/0x410
[  564.476449][ T7261]  ? __fget_files+0x395/0x410
[  564.476462][ T7261]  ? __fget_files+0x2a/0x410
[  564.476480][ T7261]  ksys_read+0x18f/0x2b0
[  564.476492][ T7261]  ? __pfx_ksys_read+0x10/0x10
[  564.476504][ T7261]  ? do_syscall_64+0x100/0x230
[  564.476515][ T7261]  ? do_syscall_64+0xb6/0x230
[  564.476526][ T7261]  do_syscall_64+0xf3/0x230
[  564.476536][ T7261]  ? clear_bhb_loop+0x35/0x90
[  564.476552][ T7261]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  564.476566][ T7261] RIP: 0033:0x7f16d658bb7c
[  564.476576][ T7261] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  564.476585][ T7261] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  564.476597][ T7261] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  564.476605][ T7261] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  564.476612][ T7261] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  564.476618][ T7261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  564.476625][ T7261] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  564.476642][ T7261]  </TASK>
[  564.486858][ T7263] FAULT_INJECTION: forcing a failure.
[  564.486858][ T7263] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  564.486881][ T7263] CPU: 0 UID: 0 PID: 7263 Comm: syz.4.705 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  564.486894][ T7263] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  564.486900][ T7263] Call Trace:
[  564.486904][ T7263]  <TASK>
[  564.486908][ T7263]  dump_stack_lvl+0x241/0x360
[  564.486927][ T7263]  ? __pfx_dump_stack_lvl+0x10/0x10
[  564.486939][ T7263]  ? __pfx__printk+0x10/0x10
[  564.486953][ T7263]  ? snprintf+0xda/0x120
[  564.486969][ T7263]  should_fail_ex+0x40a/0x550
[  564.486985][ T7263]  _copy_to_user+0x31/0xb0
[  564.486996][ T7263]  simple_read_from_buffer+0xca/0x150
[  564.487007][ T7263]  proc_fail_nth_read+0x1e9/0x250
[  564.487018][ T7263]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.487028][ T7263]  ? rw_verify_area+0x243/0x630
[  564.487035][ T7263]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.487045][ T7263]  vfs_read+0x1f8/0xb40
[  564.487052][ T7263]  ? fdget_pos+0x254/0x320
[  564.487063][ T7263]  ? __pfx___mutex_lock+0x10/0x10
[  564.487073][ T7263]  ? __pfx_vfs_read+0x10/0x10
[  564.487079][ T7263]  ? do_sys_openat2+0x17a/0x1d0
[  564.487090][ T7263]  ? __fget_files+0x2a/0x410
[  564.487100][ T7263]  ? __fget_files+0x395/0x410
[  564.487108][ T7263]  ? __fget_files+0x2a/0x410
[  564.487121][ T7263]  ksys_read+0x18f/0x2b0
[  564.487128][ T7263]  ? __pfx_ksys_read+0x10/0x10
[  564.487136][ T7263]  ? do_syscall_64+0x100/0x230
[  564.487143][ T7263]  ? do_syscall_64+0xb6/0x230
[  564.487150][ T7263]  do_syscall_64+0xf3/0x230
[  564.487156][ T7263]  ? clear_bhb_loop+0x35/0x90
[  564.487168][ T7263]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  564.487177][ T7263] RIP: 0033:0x7f03f1f8bb7c
[  564.487184][ T7263] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  564.487190][ T7263] RSP: 002b:00007f03f2d9e030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  564.487199][ T7263] RAX: ffffffffffffffda RBX: 00007f03f21a5fa0 RCX: 00007f03f1f8bb7c
[  564.487204][ T7263] RDX: 000000000000000f RSI: 00007f03f2d9e0a0 RDI: 0000000000000004
[  564.487208][ T7263] RBP: 00007f03f2d9e090 R08: 0000000000000000 R09: 0000000000000000
[  564.487213][ T7263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  564.487246][ T7263] R13: 0000000000000000 R14: 00007f03f21a5fa0 R15: 00007ffc7685b608
[  564.487259][ T7263]  </TASK>
[  564.937256][ T7265] FAULT_INJECTION: forcing a failure.
[  564.937256][ T7265] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  564.937287][ T7265] CPU: 0 UID: 0 PID: 7265 Comm: syz.3.706 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  564.937300][ T7265] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  564.937306][ T7265] Call Trace:
[  564.937311][ T7265]  <TASK>
[  564.937316][ T7265]  dump_stack_lvl+0x241/0x360
[  564.937335][ T7265]  ? __pfx_dump_stack_lvl+0x10/0x10
[  564.937347][ T7265]  ? __pfx__printk+0x10/0x10
[  564.937361][ T7265]  ? snprintf+0xda/0x120
[  564.937376][ T7265]  should_fail_ex+0x40a/0x550
[  564.937395][ T7265]  _copy_to_user+0x31/0xb0
[  564.937410][ T7265]  simple_read_from_buffer+0xca/0x150
[  564.937427][ T7265]  proc_fail_nth_read+0x1e9/0x250
[  564.937444][ T7265]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.937459][ T7265]  ? rw_verify_area+0x243/0x630
[  564.937470][ T7265]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  564.937484][ T7265]  vfs_read+0x1f8/0xb40
[  564.937496][ T7265]  ? fdget_pos+0x254/0x320
[  564.937511][ T7265]  ? __pfx___mutex_lock+0x10/0x10
[  564.937527][ T7265]  ? __pfx_vfs_read+0x10/0x10
[  564.937537][ T7265]  ? do_sys_openat2+0x17a/0x1d0
[  564.937553][ T7265]  ? __fget_files+0x2a/0x410
[  564.937567][ T7265]  ? __fget_files+0x395/0x410
[  564.937580][ T7265]  ? __fget_files+0x2a/0x410
[  564.937599][ T7265]  ksys_read+0x18f/0x2b0
[  564.937611][ T7265]  ? __pfx_ksys_read+0x10/0x10
[  564.937623][ T7265]  ? do_syscall_64+0x100/0x230
[  564.937635][ T7265]  ? do_syscall_64+0xb6/0x230
[  564.937646][ T7265]  do_syscall_64+0xf3/0x230
[  564.937655][ T7265]  ? clear_bhb_loop+0x35/0x90
[  564.937671][ T7265]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  564.937684][ T7265] RIP: 0033:0x7f1fe338bb7c
[  564.937694][ T7265] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  564.937714][ T7265] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  564.937728][ T7265] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  564.937736][ T7265] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  564.937742][ T7265] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  564.937748][ T7265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  564.937755][ T7265] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  564.937772][ T7265]  </TASK>
[  565.535778][ T7267] FAULT_INJECTION: forcing a failure.
[  565.535778][ T7267] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  565.535803][ T7267] CPU: 0 UID: 0 PID: 7267 Comm: syz.5.707 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  565.535815][ T7267] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  565.535822][ T7267] Call Trace:
[  565.535826][ T7267]  <TASK>
[  565.535831][ T7267]  dump_stack_lvl+0x241/0x360
[  565.535850][ T7267]  ? __pfx_dump_stack_lvl+0x10/0x10
[  565.535861][ T7267]  ? __pfx__printk+0x10/0x10
[  565.535876][ T7267]  ? snprintf+0xda/0x120
[  565.535890][ T7267]  should_fail_ex+0x40a/0x550
[  565.535902][ T7267]  _copy_to_user+0x31/0xb0
[  565.535913][ T7267]  simple_read_from_buffer+0xca/0x150
[  565.535924][ T7267]  proc_fail_nth_read+0x1e9/0x250
[  565.535938][ T7267]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  565.535953][ T7267]  ? rw_verify_area+0x243/0x630
[  565.535964][ T7267]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  565.535978][ T7267]  vfs_read+0x1f8/0xb40
[  565.535990][ T7267]  ? fdget_pos+0x254/0x320
[  565.536006][ T7267]  ? __pfx___mutex_lock+0x10/0x10
[  565.536022][ T7267]  ? __pfx_vfs_read+0x10/0x10
[  565.536030][ T7267]  ? do_sys_openat2+0x17a/0x1d0
[  565.536042][ T7267]  ? __fget_files+0x2a/0x410
[  565.536052][ T7267]  ? __fget_files+0x395/0x410
[  565.536061][ T7267]  ? __fget_files+0x2a/0x410
[  565.536073][ T7267]  ksys_read+0x18f/0x2b0
[  565.536081][ T7267]  ? __pfx_ksys_read+0x10/0x10
[  565.536088][ T7267]  ? do_syscall_64+0x100/0x230
[  565.536096][ T7267]  ? do_syscall_64+0xb6/0x230
[  565.536104][ T7267]  do_syscall_64+0xf3/0x230
[  565.536113][ T7267]  ? clear_bhb_loop+0x35/0x90
[  565.536129][ T7267]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  565.536142][ T7267] RIP: 0033:0x7f942cf8bb7c
[  565.536153][ T7267] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  565.536162][ T7267] RSP: 002b:00007f942dd22030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  565.536175][ T7267] RAX: ffffffffffffffda RBX: 00007f942d1a5fa0 RCX: 00007f942cf8bb7c
[  565.536183][ T7267] RDX: 000000000000000f RSI: 00007f942dd220a0 RDI: 0000000000000004
[  565.536189][ T7267] RBP: 00007f942dd22090 R08: 0000000000000000 R09: 0000000000000000
[  565.536196][ T7267] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  565.536200][ T7267] R13: 0000000000000000 R14: 00007f942d1a5fa0 R15: 00007fff43bbce08
[  565.536210][ T7267]  </TASK>
[  565.916337][ T7269] FAULT_INJECTION: forcing a failure.
[  565.916337][ T7269] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  565.916361][ T7269] CPU: 0 UID: 0 PID: 7269 Comm: syz.6.708 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  565.916374][ T7269] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  565.916380][ T7269] Call Trace:
[  565.916385][ T7269]  <TASK>
[  565.916391][ T7269]  dump_stack_lvl+0x241/0x360
[  565.916411][ T7269]  ? __pfx_dump_stack_lvl+0x10/0x10
[  565.916423][ T7269]  ? __pfx__printk+0x10/0x10
[  565.916436][ T7269]  ? snprintf+0xda/0x120
[  565.916451][ T7269]  should_fail_ex+0x40a/0x550
[  565.916470][ T7269]  _copy_to_user+0x31/0xb0
[  565.916487][ T7269]  simple_read_from_buffer+0xca/0x150
[  565.916503][ T7269]  proc_fail_nth_read+0x1e9/0x250
[  565.916520][ T7269]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  565.916536][ T7269]  ? rw_verify_area+0x243/0x630
[  565.916548][ T7269]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  565.916562][ T7269]  vfs_read+0x1f8/0xb40
[  565.916575][ T7269]  ? fdget_pos+0x254/0x320
[  565.916591][ T7269]  ? __pfx___mutex_lock+0x10/0x10
[  565.916606][ T7269]  ? __pfx_vfs_read+0x10/0x10
[  565.916616][ T7269]  ? do_sys_openat2+0x17a/0x1d0
[  565.916631][ T7269]  ? __fget_files+0x2a/0x410
[  565.916646][ T7269]  ? __fget_files+0x395/0x410
[  565.916659][ T7269]  ? __fget_files+0x2a/0x410
[  565.916678][ T7269]  ksys_read+0x18f/0x2b0
[  565.916691][ T7269]  ? __pfx_ksys_read+0x10/0x10
[  565.916711][ T7269]  ? do_syscall_64+0x100/0x230
[  565.916723][ T7269]  ? do_syscall_64+0xb6/0x230
[  565.916734][ T7269]  do_syscall_64+0xf3/0x230
[  565.916744][ T7269]  ? clear_bhb_loop+0x35/0x90
[  565.916761][ T7269]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  565.916774][ T7269] RIP: 0033:0x7f480178bb7c
[  565.916785][ T7269] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  565.916794][ T7269] RSP: 002b:00007f480251c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  565.916808][ T7269] RAX: ffffffffffffffda RBX: 00007f48019a5fa0 RCX: 00007f480178bb7c
[  565.916816][ T7269] RDX: 000000000000000f RSI: 00007f480251c0a0 RDI: 0000000000000004
[  565.916823][ T7269] RBP: 00007f480251c090 R08: 0000000000000000 R09: 0000000000000000
[  565.916829][ T7269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  565.916836][ T7269] R13: 0000000000000000 R14: 00007f48019a5fa0 R15: 00007ffd22398058
[  565.916852][ T7269]  </TASK>
[  566.014220][ T7271] FAULT_INJECTION: forcing a failure.
[  566.014220][ T7271] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  566.014246][ T7271] CPU: 0 UID: 0 PID: 7271 Comm: syz.2.709 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  566.014258][ T7271] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  566.014265][ T7271] Call Trace:
[  566.014269][ T7271]  <TASK>
[  566.014275][ T7271]  dump_stack_lvl+0x241/0x360
[  566.014293][ T7271]  ? __pfx_dump_stack_lvl+0x10/0x10
[  566.014305][ T7271]  ? __pfx__printk+0x10/0x10
[  566.014319][ T7271]  ? snprintf+0xda/0x120
[  566.014334][ T7271]  should_fail_ex+0x40a/0x550
[  566.014354][ T7271]  _copy_to_user+0x31/0xb0
[  566.014370][ T7271]  simple_read_from_buffer+0xca/0x150
[  566.014386][ T7271]  proc_fail_nth_read+0x1e9/0x250
[  566.014401][ T7271]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  566.014416][ T7271]  ? rw_verify_area+0x243/0x630
[  566.014428][ T7271]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  566.014443][ T7271]  vfs_read+0x1f8/0xb40
[  566.014455][ T7271]  ? fdget_pos+0x254/0x320
[  566.014470][ T7271]  ? __pfx___mutex_lock+0x10/0x10
[  566.014486][ T7271]  ? __pfx_vfs_read+0x10/0x10
[  566.014495][ T7271]  ? do_sys_openat2+0x17a/0x1d0
[  566.014511][ T7271]  ? __fget_files+0x2a/0x410
[  566.014526][ T7271]  ? __fget_files+0x395/0x410
[  566.014540][ T7271]  ? __fget_files+0x2a/0x410
[  566.014557][ T7271]  ksys_read+0x18f/0x2b0
[  566.014565][ T7271]  ? __pfx_ksys_read+0x10/0x10
[  566.014572][ T7271]  ? do_syscall_64+0x100/0x230
[  566.014580][ T7271]  ? do_syscall_64+0xb6/0x230
[  566.014587][ T7271]  do_syscall_64+0xf3/0x230
[  566.014593][ T7271]  ? clear_bhb_loop+0x35/0x90
[  566.014603][ T7271]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  566.014614][ T7271] RIP: 0033:0x7fc4ead8bb7c
[  566.014624][ T7271] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  566.014633][ T7271] RSP: 002b:00007fc4ebcc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  566.014645][ T7271] RAX: ffffffffffffffda RBX: 00007fc4eafa5fa0 RCX: 00007fc4ead8bb7c
[  566.014654][ T7271] RDX: 000000000000000f RSI: 00007fc4ebcc80a0 RDI: 0000000000000004
[  566.014661][ T7271] RBP: 00007fc4ebcc8090 R08: 0000000000000000 R09: 0000000000000000
[  566.014668][ T7271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  566.014674][ T7271] R13: 0000000000000000 R14: 00007fc4eafa5fa0 R15: 00007fff0ae9e3c8
[  566.014689][ T7271]  </TASK>
[  566.312077][ T7274] FAULT_INJECTION: forcing a failure.
[  566.312077][ T7274] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  566.312096][ T7274] CPU: 0 UID: 0 PID: 7274 Comm: syz.4.711 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  566.312105][ T7274] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  566.312110][ T7274] Call Trace:
[  566.312112][ T7274]  <TASK>
[  566.312116][ T7274]  dump_stack_lvl+0x241/0x360
[  566.312129][ T7274]  ? __pfx_dump_stack_lvl+0x10/0x10
[  566.312137][ T7274]  ? __pfx__printk+0x10/0x10
[  566.312146][ T7274]  ? snprintf+0xda/0x120
[  566.312156][ T7274]  should_fail_ex+0x40a/0x550
[  566.312168][ T7274]  _copy_to_user+0x31/0xb0
[  566.312178][ T7274]  simple_read_from_buffer+0xca/0x150
[  566.312190][ T7274]  proc_fail_nth_read+0x1e9/0x250
[  566.312201][ T7274]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  566.312212][ T7274]  ? rw_verify_area+0x243/0x630
[  566.312219][ T7274]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  566.312229][ T7274]  vfs_read+0x1f8/0xb40
[  566.312237][ T7274]  ? fdget_pos+0x254/0x320
[  566.312247][ T7274]  ? __pfx___mutex_lock+0x10/0x10
[  566.312258][ T7274]  ? __pfx_vfs_read+0x10/0x10
[  566.312264][ T7274]  ? do_sys_openat2+0x17a/0x1d0
[  566.312274][ T7274]  ? __fget_files+0x2a/0x410
[  566.312286][ T7274]  ? __fget_files+0x395/0x410
[  566.312299][ T7274]  ? __fget_files+0x2a/0x410
[  566.312318][ T7274]  ksys_read+0x18f/0x2b0
[  566.312329][ T7274]  ? __pfx_ksys_read+0x10/0x10
[  566.312341][ T7274]  ? do_syscall_64+0x100/0x230
[  566.312352][ T7274]  ? do_syscall_64+0xb6/0x230
[  566.312364][ T7274]  do_syscall_64+0xf3/0x230
[  566.312371][ T7274]  ? clear_bhb_loop+0x35/0x90
[  566.312385][ T7274]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  566.312397][ T7274] RIP: 0033:0x7f03f1f8bb7c
[  566.312408][ T7274] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  566.312417][ T7274] RSP: 002b:00007f03f2d9e030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  566.312430][ T7274] RAX: ffffffffffffffda RBX: 00007f03f21a5fa0 RCX: 00007f03f1f8bb7c
[  566.312438][ T7274] RDX: 000000000000000f RSI: 00007f03f2d9e0a0 RDI: 0000000000000004
[  566.312446][ T7274] RBP: 00007f03f2d9e090 R08: 0000000000000000 R09: 0000000000000000
[  566.312453][ T7274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  566.312460][ T7274] R13: 0000000000000000 R14: 00007f03f21a5fa0 R15: 00007ffc7685b608
[  566.312477][ T7274]  </TASK>
[  566.404501][ T7275] FAULT_INJECTION: forcing a failure.
[  566.404501][ T7275] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  566.404528][ T7275] CPU: 0 UID: 0 PID: 7275 Comm: syz.1.710 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  566.404541][ T7275] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  566.404548][ T7275] Call Trace:
[  566.404552][ T7275]  <TASK>
[  566.404558][ T7275]  dump_stack_lvl+0x241/0x360
[  566.404577][ T7275]  ? __pfx_dump_stack_lvl+0x10/0x10
[  566.404588][ T7275]  ? __pfx__printk+0x10/0x10
[  566.404602][ T7275]  ? snprintf+0xda/0x120
[  566.404616][ T7275]  should_fail_ex+0x40a/0x550
[  566.404634][ T7275]  _copy_to_user+0x31/0xb0
[  566.404650][ T7275]  simple_read_from_buffer+0xca/0x150
[  566.404667][ T7275]  proc_fail_nth_read+0x1e9/0x250
[  566.404684][ T7275]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  566.404700][ T7275]  ? rw_verify_area+0x243/0x630
[  566.404713][ T7275]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  566.404729][ T7275]  vfs_read+0x1f8/0xb40
[  566.404742][ T7275]  ? fdget_pos+0x254/0x320
[  566.404758][ T7275]  ? __pfx___mutex_lock+0x10/0x10
[  566.404775][ T7275]  ? __pfx_vfs_read+0x10/0x10
[  566.404786][ T7275]  ? do_sys_openat2+0x17a/0x1d0
[  566.404803][ T7275]  ? __fget_files+0x2a/0x410
[  566.404819][ T7275]  ? __fget_files+0x395/0x410
[  566.404839][ T7275]  ? __fget_files+0x2a/0x410
[  566.404860][ T7275]  ksys_read+0x18f/0x2b0
[  566.404878][ T7275]  ? __pfx_ksys_read+0x10/0x10
[  566.404891][ T7275]  ? do_syscall_64+0x100/0x230
[  566.404904][ T7275]  ? do_syscall_64+0xb6/0x230
[  566.404916][ T7275]  do_syscall_64+0xf3/0x230
[  566.404926][ T7275]  ? clear_bhb_loop+0x35/0x90
[  566.404954][ T7275]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  566.404969][ T7275] RIP: 0033:0x7f16d658bb7c
[  566.404980][ T7275] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  566.404991][ T7275] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  566.405005][ T7275] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  566.405018][ T7275] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  566.405026][ T7275] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  566.405033][ T7275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  566.405041][ T7275] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  566.405059][ T7275]  </TASK>
[  566.750564][ T7277] FAULT_INJECTION: forcing a failure.
[  566.750564][ T7277] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  566.750589][ T7277] CPU: 0 UID: 0 PID: 7277 Comm: syz.3.712 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  566.750602][ T7277] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  566.750608][ T7277] Call Trace:
[  566.750613][ T7277]  <TASK>
[  566.750619][ T7277]  dump_stack_lvl+0x241/0x360
[  566.750636][ T7277]  ? __pfx_dump_stack_lvl+0x10/0x10
[  566.750647][ T7277]  ? __pfx__printk+0x10/0x10
[  566.750662][ T7277]  ? snprintf+0xda/0x120
[  566.750676][ T7277]  should_fail_ex+0x40a/0x550
[  566.750693][ T7277]  _copy_to_user+0x31/0xb0
[  566.750709][ T7277]  simple_read_from_buffer+0xca/0x150
[  566.750735][ T7277]  proc_fail_nth_read+0x1e9/0x250
[  566.750750][ T7277]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  566.750766][ T7277]  ? rw_verify_area+0x243/0x630
[  566.750777][ T7277]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  566.750792][ T7277]  vfs_read+0x1f8/0xb40
[  566.750804][ T7277]  ? fdget_pos+0x254/0x320
[  566.750820][ T7277]  ? __pfx___mutex_lock+0x10/0x10
[  566.750837][ T7277]  ? __pfx_vfs_read+0x10/0x10
[  566.750846][ T7277]  ? do_sys_openat2+0x17a/0x1d0
[  566.750861][ T7277]  ? __fget_files+0x2a/0x410
[  566.750876][ T7277]  ? __fget_files+0x395/0x410
[  566.750889][ T7277]  ? __fget_files+0x2a/0x410
[  566.750908][ T7277]  ksys_read+0x18f/0x2b0
[  566.750920][ T7277]  ? __pfx_ksys_read+0x10/0x10
[  566.750931][ T7277]  ? do_syscall_64+0x100/0x230
[  566.750943][ T7277]  ? do_syscall_64+0xb6/0x230
[  566.750954][ T7277]  do_syscall_64+0xf3/0x230
[  566.750964][ T7277]  ? clear_bhb_loop+0x35/0x90
[  566.750980][ T7277]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  566.750995][ T7277] RIP: 0033:0x7f1fe338bb7c
[  566.751005][ T7277] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  566.751015][ T7277] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  566.751028][ T7277] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  566.751036][ T7277] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  566.751043][ T7277] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  566.751050][ T7277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  566.751057][ T7277] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  566.751072][ T7277]  </TASK>
[  567.482326][ T7279] FAULT_INJECTION: forcing a failure.
[  567.482326][ T7279] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  567.482352][ T7279] CPU: 0 UID: 0 PID: 7279 Comm: syz.5.713 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  567.482364][ T7279] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  567.482370][ T7279] Call Trace:
[  567.482374][ T7279]  <TASK>
[  567.482379][ T7279]  dump_stack_lvl+0x241/0x360
[  567.482398][ T7279]  ? __pfx_dump_stack_lvl+0x10/0x10
[  567.482409][ T7279]  ? __pfx__printk+0x10/0x10
[  567.482424][ T7279]  ? snprintf+0xda/0x120
[  567.482438][ T7279]  should_fail_ex+0x40a/0x550
[  567.482458][ T7279]  _copy_to_user+0x31/0xb0
[  567.482474][ T7279]  simple_read_from_buffer+0xca/0x150
[  567.482492][ T7279]  proc_fail_nth_read+0x1e9/0x250
[  567.482510][ T7279]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  567.482526][ T7279]  ? rw_verify_area+0x243/0x630
[  567.482537][ T7279]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  567.482551][ T7279]  vfs_read+0x1f8/0xb40
[  567.482563][ T7279]  ? fdget_pos+0x254/0x320
[  567.482579][ T7279]  ? __pfx___mutex_lock+0x10/0x10
[  567.482594][ T7279]  ? __pfx_vfs_read+0x10/0x10
[  567.482603][ T7279]  ? do_sys_openat2+0x17a/0x1d0
[  567.482619][ T7279]  ? __fget_files+0x2a/0x410
[  567.482633][ T7279]  ? __fget_files+0x395/0x410
[  567.482646][ T7279]  ? __fget_files+0x2a/0x410
[  567.482664][ T7279]  ksys_read+0x18f/0x2b0
[  567.482684][ T7279]  ? __pfx_ksys_read+0x10/0x10
[  567.482695][ T7279]  ? do_syscall_64+0x100/0x230
[  567.482707][ T7279]  ? do_syscall_64+0xb6/0x230
[  567.482718][ T7279]  do_syscall_64+0xf3/0x230
[  567.482728][ T7279]  ? clear_bhb_loop+0x35/0x90
[  567.482744][ T7279]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  567.482758][ T7279] RIP: 0033:0x7f942cf8bb7c
[  567.482768][ T7279] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  567.482778][ T7279] RSP: 002b:00007f942dd22030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  567.482790][ T7279] RAX: ffffffffffffffda RBX: 00007f942d1a5fa0 RCX: 00007f942cf8bb7c
[  567.482798][ T7279] RDX: 000000000000000f RSI: 00007f942dd220a0 RDI: 0000000000000004
[  567.482805][ T7279] RBP: 00007f942dd22090 R08: 0000000000000000 R09: 0000000000000000
[  567.482811][ T7279] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  567.482818][ T7279] R13: 0000000000000000 R14: 00007f942d1a5fa0 R15: 00007fff43bbce08
[  567.482834][ T7279]  </TASK>
[  567.917340][ T7281] FAULT_INJECTION: forcing a failure.
[  567.917340][ T7281] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  567.917364][ T7281] CPU: 0 UID: 0 PID: 7281 Comm: syz.6.714 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  567.917377][ T7281] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  567.917383][ T7281] Call Trace:
[  567.917387][ T7281]  <TASK>
[  567.917393][ T7281]  dump_stack_lvl+0x241/0x360
[  567.917411][ T7281]  ? __pfx_dump_stack_lvl+0x10/0x10
[  567.917424][ T7281]  ? __pfx__printk+0x10/0x10
[  567.917438][ T7281]  ? snprintf+0xda/0x120
[  567.917452][ T7281]  should_fail_ex+0x40a/0x550
[  567.917472][ T7281]  _copy_to_user+0x31/0xb0
[  567.917509][ T7281]  simple_read_from_buffer+0xca/0x150
[  567.917527][ T7281]  proc_fail_nth_read+0x1e9/0x250
[  567.917544][ T7281]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  567.917560][ T7281]  ? rw_verify_area+0x243/0x630
[  567.917571][ T7281]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  567.917584][ T7281]  vfs_read+0x1f8/0xb40
[  567.917592][ T7281]  ? fdget_pos+0x254/0x320
[  567.917606][ T7281]  ? __pfx___mutex_lock+0x10/0x10
[  567.917621][ T7281]  ? __pfx_vfs_read+0x10/0x10
[  567.917630][ T7281]  ? do_sys_openat2+0x17a/0x1d0
[  567.917646][ T7281]  ? __fget_files+0x2a/0x410
[  567.917662][ T7281]  ? __fget_files+0x395/0x410
[  567.917675][ T7281]  ? __fget_files+0x2a/0x410
[  567.917700][ T7281]  ksys_read+0x18f/0x2b0
[  567.917712][ T7281]  ? __pfx_ksys_read+0x10/0x10
[  567.917723][ T7281]  ? do_syscall_64+0x100/0x230
[  567.917736][ T7281]  ? do_syscall_64+0xb6/0x230
[  567.917747][ T7281]  do_syscall_64+0xf3/0x230
[  567.917756][ T7281]  ? clear_bhb_loop+0x35/0x90
[  567.917768][ T7281]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  567.917777][ T7281] RIP: 0033:0x7f480178bb7c
[  567.917785][ T7281] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  567.917792][ T7281] RSP: 002b:00007f480251c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  567.917801][ T7281] RAX: ffffffffffffffda RBX: 00007f48019a5fa0 RCX: 00007f480178bb7c
[  567.917806][ T7281] RDX: 000000000000000f RSI: 00007f480251c0a0 RDI: 0000000000000004
[  567.917811][ T7281] RBP: 00007f480251c090 R08: 0000000000000000 R09: 0000000000000000
[  567.917815][ T7281] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  567.917819][ T7281] R13: 0000000000000000 R14: 00007f48019a5fa0 R15: 00007ffd22398058
[  567.917829][ T7281]  </TASK>
[  567.937728][ T1312] ieee802154 phy0 wpan0: encryption failed: -22
[  567.937766][ T1312] ieee802154 phy1 wpan1: encryption failed: -22
[  567.992040][ T7283] FAULT_INJECTION: forcing a failure.
[  567.992040][ T7283] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  567.992068][ T7283] CPU: 0 UID: 0 PID: 7283 Comm: syz.2.715 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  567.992079][ T7283] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  567.992086][ T7283] Call Trace:
[  567.992091][ T7283]  <TASK>
[  567.992095][ T7283]  dump_stack_lvl+0x241/0x360
[  567.992114][ T7283]  ? __pfx_dump_stack_lvl+0x10/0x10
[  567.992125][ T7283]  ? __pfx__printk+0x10/0x10
[  567.992140][ T7283]  ? snprintf+0xda/0x120
[  567.992157][ T7283]  should_fail_ex+0x40a/0x550
[  567.992175][ T7283]  _copy_to_user+0x31/0xb0
[  567.992191][ T7283]  simple_read_from_buffer+0xca/0x150
[  567.992208][ T7283]  proc_fail_nth_read+0x1e9/0x250
[  567.992226][ T7283]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  567.992242][ T7283]  ? rw_verify_area+0x243/0x630
[  567.992252][ T7283]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  567.992267][ T7283]  vfs_read+0x1f8/0xb40
[  567.992280][ T7283]  ? fdget_pos+0x254/0x320
[  567.992301][ T7283]  ? __pfx___mutex_lock+0x10/0x10
[  567.992316][ T7283]  ? __pfx_vfs_read+0x10/0x10
[  567.992326][ T7283]  ? do_sys_openat2+0x17a/0x1d0
[  567.992341][ T7283]  ? __fget_files+0x2a/0x410
[  567.992356][ T7283]  ? __fget_files+0x395/0x410
[  567.992370][ T7283]  ? __fget_files+0x2a/0x410
[  567.992389][ T7283]  ksys_read+0x18f/0x2b0
[  567.992402][ T7283]  ? __pfx_ksys_read+0x10/0x10
[  567.992413][ T7283]  ? do_syscall_64+0x100/0x230
[  567.992426][ T7283]  ? do_syscall_64+0xb6/0x230
[  567.992438][ T7283]  do_syscall_64+0xf3/0x230
[  567.992447][ T7283]  ? clear_bhb_loop+0x35/0x90
[  567.992464][ T7283]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  567.992478][ T7283] RIP: 0033:0x7fc4ead8bb7c
[  567.992489][ T7283] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  567.992498][ T7283] RSP: 002b:00007fc4ebcc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  567.992512][ T7283] RAX: ffffffffffffffda RBX: 00007fc4eafa5fa0 RCX: 00007fc4ead8bb7c
[  567.992519][ T7283] RDX: 000000000000000f RSI: 00007fc4ebcc80a0 RDI: 0000000000000004
[  567.992526][ T7283] RBP: 00007fc4ebcc8090 R08: 0000000000000000 R09: 0000000000000000
[  567.992533][ T7283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  567.992539][ T7283] R13: 0000000000000000 R14: 00007fc4eafa5fa0 R15: 00007fff0ae9e3c8
[  567.992555][ T7283]  </TASK>
[  568.316200][ T7285] FAULT_INJECTION: forcing a failure.
[  568.316200][ T7285] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  568.316227][ T7285] CPU: 0 UID: 0 PID: 7285 Comm: syz.4.716 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  568.316240][ T7285] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  568.316248][ T7285] Call Trace:
[  568.316252][ T7285]  <TASK>
[  568.316256][ T7285]  dump_stack_lvl+0x241/0x360
[  568.316276][ T7285]  ? __pfx_dump_stack_lvl+0x10/0x10
[  568.316288][ T7285]  ? __pfx__printk+0x10/0x10
[  568.316303][ T7285]  ? snprintf+0xda/0x120
[  568.316318][ T7285]  should_fail_ex+0x40a/0x550
[  568.316338][ T7285]  _copy_to_user+0x31/0xb0
[  568.316353][ T7285]  simple_read_from_buffer+0xca/0x150
[  568.316370][ T7285]  proc_fail_nth_read+0x1e9/0x250
[  568.316387][ T7285]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  568.316404][ T7285]  ? rw_verify_area+0x243/0x630
[  568.316416][ T7285]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  568.316431][ T7285]  vfs_read+0x1f8/0xb40
[  568.316443][ T7285]  ? fdget_pos+0x254/0x320
[  568.316458][ T7285]  ? __pfx___mutex_lock+0x10/0x10
[  568.316473][ T7285]  ? __pfx_vfs_read+0x10/0x10
[  568.316482][ T7285]  ? do_sys_openat2+0x17a/0x1d0
[  568.316498][ T7285]  ? __fget_files+0x2a/0x410
[  568.316512][ T7285]  ? __fget_files+0x395/0x410
[  568.316525][ T7285]  ? __fget_files+0x2a/0x410
[  568.316544][ T7285]  ksys_read+0x18f/0x2b0
[  568.316557][ T7285]  ? __pfx_ksys_read+0x10/0x10
[  568.316569][ T7285]  ? do_syscall_64+0x100/0x230
[  568.316580][ T7285]  ? do_syscall_64+0xb6/0x230
[  568.316592][ T7285]  do_syscall_64+0xf3/0x230
[  568.316602][ T7285]  ? clear_bhb_loop+0x35/0x90
[  568.316619][ T7285]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  568.316632][ T7285] RIP: 0033:0x7f03f1f8bb7c
[  568.316643][ T7285] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  568.316653][ T7285] RSP: 002b:00007f03f2d9e030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  568.316666][ T7285] RAX: ffffffffffffffda RBX: 00007f03f21a5fa0 RCX: 00007f03f1f8bb7c
[  568.316684][ T7285] RDX: 000000000000000f RSI: 00007f03f2d9e0a0 RDI: 0000000000000004
[  568.316690][ T7285] RBP: 00007f03f2d9e090 R08: 0000000000000000 R09: 0000000000000000
[  568.316697][ T7285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  568.316703][ T7285] R13: 0000000000000000 R14: 00007f03f21a5fa0 R15: 00007ffc7685b608
[  568.316720][ T7285]  </TASK>
[  568.458775][ T7287] FAULT_INJECTION: forcing a failure.
[  568.458775][ T7287] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  568.458801][ T7287] CPU: 0 UID: 0 PID: 7287 Comm: syz.1.717 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  568.458814][ T7287] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  568.458822][ T7287] Call Trace:
[  568.458826][ T7287]  <TASK>
[  568.458832][ T7287]  dump_stack_lvl+0x241/0x360
[  568.458851][ T7287]  ? __pfx_dump_stack_lvl+0x10/0x10
[  568.458865][ T7287]  ? __pfx__printk+0x10/0x10
[  568.458881][ T7287]  ? snprintf+0xda/0x120
[  568.458897][ T7287]  should_fail_ex+0x40a/0x550
[  568.458918][ T7287]  _copy_to_user+0x31/0xb0
[  568.458936][ T7287]  simple_read_from_buffer+0xca/0x150
[  568.458954][ T7287]  proc_fail_nth_read+0x1e9/0x250
[  568.458972][ T7287]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  568.458990][ T7287]  ? rw_verify_area+0x243/0x630
[  568.459015][ T7287]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  568.459031][ T7287]  vfs_read+0x1f8/0xb40
[  568.459044][ T7287]  ? fdget_pos+0x254/0x320
[  568.459061][ T7287]  ? __pfx___mutex_lock+0x10/0x10
[  568.459079][ T7287]  ? __pfx_vfs_read+0x10/0x10
[  568.459089][ T7287]  ? do_sys_openat2+0x17a/0x1d0
[  568.459107][ T7287]  ? __fget_files+0x2a/0x410
[  568.459123][ T7287]  ? __fget_files+0x395/0x410
[  568.459139][ T7287]  ? __fget_files+0x2a/0x410
[  568.459161][ T7287]  ksys_read+0x18f/0x2b0
[  568.459174][ T7287]  ? __pfx_ksys_read+0x10/0x10
[  568.459214][ T7287]  ? do_syscall_64+0x100/0x230
[  568.459228][ T7287]  ? do_syscall_64+0xb6/0x230
[  568.459238][ T7287]  do_syscall_64+0xf3/0x230
[  568.459248][ T7287]  ? clear_bhb_loop+0x35/0x90
[  568.459267][ T7287]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  568.459282][ T7287] RIP: 0033:0x7f16d658bb7c
[  568.459293][ T7287] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  568.459303][ T7287] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  568.459318][ T7287] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  568.459327][ T7287] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  568.459334][ T7287] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  568.459341][ T7287] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  568.459348][ T7287] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  568.459367][ T7287]  </TASK>
[  569.008077][ T7289] FAULT_INJECTION: forcing a failure.
[  569.008077][ T7289] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  569.008101][ T7289] CPU: 0 UID: 0 PID: 7289 Comm: syz.3.718 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  569.008113][ T7289] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  569.008120][ T7289] Call Trace:
[  569.008125][ T7289]  <TASK>
[  569.008130][ T7289]  dump_stack_lvl+0x241/0x360
[  569.008149][ T7289]  ? __pfx_dump_stack_lvl+0x10/0x10
[  569.008160][ T7289]  ? __pfx__printk+0x10/0x10
[  569.008174][ T7289]  ? snprintf+0xda/0x120
[  569.008189][ T7289]  should_fail_ex+0x40a/0x550
[  569.008208][ T7289]  _copy_to_user+0x31/0xb0
[  569.008224][ T7289]  simple_read_from_buffer+0xca/0x150
[  569.008240][ T7289]  proc_fail_nth_read+0x1e9/0x250
[  569.008256][ T7289]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  569.008271][ T7289]  ? rw_verify_area+0x243/0x630
[  569.008282][ T7289]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  569.008297][ T7289]  vfs_read+0x1f8/0xb40
[  569.008308][ T7289]  ? fdget_pos+0x254/0x320
[  569.008323][ T7289]  ? __pfx___mutex_lock+0x10/0x10
[  569.008339][ T7289]  ? __pfx_vfs_read+0x10/0x10
[  569.008348][ T7289]  ? do_sys_openat2+0x17a/0x1d0
[  569.008363][ T7289]  ? __fget_files+0x2a/0x410
[  569.008378][ T7289]  ? __fget_files+0x395/0x410
[  569.008391][ T7289]  ? __fget_files+0x2a/0x410
[  569.008410][ T7289]  ksys_read+0x18f/0x2b0
[  569.008422][ T7289]  ? __pfx_ksys_read+0x10/0x10
[  569.008434][ T7289]  ? do_syscall_64+0x100/0x230
[  569.008446][ T7289]  ? do_syscall_64+0xb6/0x230
[  569.008458][ T7289]  do_syscall_64+0xf3/0x230
[  569.008467][ T7289]  ? clear_bhb_loop+0x35/0x90
[  569.008485][ T7289]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  569.008498][ T7289] RIP: 0033:0x7f1fe338bb7c
[  569.008509][ T7289] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  569.008519][ T7289] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  569.008532][ T7289] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  569.008540][ T7289] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  569.008546][ T7289] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  569.008553][ T7289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  569.008559][ T7289] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  569.008575][ T7289]  </TASK>
[  569.794700][ T7291] FAULT_INJECTION: forcing a failure.
[  569.794700][ T7291] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  569.794719][ T7291] CPU: 0 UID: 0 PID: 7291 Comm: syz.5.719 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  569.794727][ T7291] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  569.794731][ T7291] Call Trace:
[  569.794735][ T7291]  <TASK>
[  569.794738][ T7291]  dump_stack_lvl+0x241/0x360
[  569.794752][ T7291]  ? __pfx_dump_stack_lvl+0x10/0x10
[  569.794759][ T7291]  ? __pfx__printk+0x10/0x10
[  569.794768][ T7291]  ? snprintf+0xda/0x120
[  569.794779][ T7291]  should_fail_ex+0x40a/0x550
[  569.794791][ T7291]  _copy_to_user+0x31/0xb0
[  569.794802][ T7291]  simple_read_from_buffer+0xca/0x150
[  569.794813][ T7291]  proc_fail_nth_read+0x1e9/0x250
[  569.794825][ T7291]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  569.794835][ T7291]  ? rw_verify_area+0x243/0x630
[  569.794843][ T7291]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  569.794853][ T7291]  vfs_read+0x1f8/0xb40
[  569.794860][ T7291]  ? fdget_pos+0x254/0x320
[  569.794871][ T7291]  ? __pfx___mutex_lock+0x10/0x10
[  569.794882][ T7291]  ? __pfx_vfs_read+0x10/0x10
[  569.794888][ T7291]  ? do_sys_openat2+0x17a/0x1d0
[  569.794898][ T7291]  ? __fget_files+0x2a/0x410
[  569.794908][ T7291]  ? __fget_files+0x395/0x410
[  569.794917][ T7291]  ? __fget_files+0x2a/0x410
[  569.794930][ T7291]  ksys_read+0x18f/0x2b0
[  569.794938][ T7291]  ? __pfx_ksys_read+0x10/0x10
[  569.794947][ T7291]  ? do_syscall_64+0x100/0x230
[  569.794955][ T7291]  ? do_syscall_64+0xb6/0x230
[  569.794962][ T7291]  do_syscall_64+0xf3/0x230
[  569.794968][ T7291]  ? clear_bhb_loop+0x35/0x90
[  569.794980][ T7291]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  569.794989][ T7291] RIP: 0033:0x7f942cf8bb7c
[  569.794996][ T7291] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  569.795003][ T7291] RSP: 002b:00007f942dd22030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  569.795012][ T7291] RAX: ffffffffffffffda RBX: 00007f942d1a5fa0 RCX: 00007f942cf8bb7c
[  569.795017][ T7291] RDX: 000000000000000f RSI: 00007f942dd220a0 RDI: 0000000000000004
[  569.795021][ T7291] RBP: 00007f942dd22090 R08: 0000000000000000 R09: 0000000000000000
[  569.795026][ T7291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  569.795030][ T7291] R13: 0000000000000000 R14: 00007f942d1a5fa0 R15: 00007fff43bbce08
[  569.795043][ T7291]  </TASK>
[  570.151937][ T7293] FAULT_INJECTION: forcing a failure.
[  570.151937][ T7293] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  570.151963][ T7293] CPU: 0 UID: 0 PID: 7293 Comm: syz.6.720 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  570.151975][ T7293] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  570.151982][ T7293] Call Trace:
[  570.151987][ T7293]  <TASK>
[  570.151992][ T7293]  dump_stack_lvl+0x241/0x360
[  570.152012][ T7293]  ? __pfx_dump_stack_lvl+0x10/0x10
[  570.152024][ T7293]  ? __pfx__printk+0x10/0x10
[  570.152035][ T7293]  ? snprintf+0xda/0x120
[  570.152045][ T7293]  should_fail_ex+0x40a/0x550
[  570.152058][ T7293]  _copy_to_user+0x31/0xb0
[  570.152069][ T7293]  simple_read_from_buffer+0xca/0x150
[  570.152081][ T7293]  proc_fail_nth_read+0x1e9/0x250
[  570.152093][ T7293]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  570.152103][ T7293]  ? rw_verify_area+0x243/0x630
[  570.152111][ T7293]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  570.152121][ T7293]  vfs_read+0x1f8/0xb40
[  570.152129][ T7293]  ? fdget_pos+0x254/0x320
[  570.152139][ T7293]  ? __pfx___mutex_lock+0x10/0x10
[  570.152154][ T7293]  ? __pfx_vfs_read+0x10/0x10
[  570.152163][ T7293]  ? do_sys_openat2+0x17a/0x1d0
[  570.152178][ T7293]  ? __fget_files+0x2a/0x410
[  570.152194][ T7293]  ? __fget_files+0x395/0x410
[  570.152207][ T7293]  ? __fget_files+0x2a/0x410
[  570.152226][ T7293]  ksys_read+0x18f/0x2b0
[  570.152237][ T7293]  ? __pfx_ksys_read+0x10/0x10
[  570.152247][ T7293]  ? do_syscall_64+0x100/0x230
[  570.152257][ T7293]  ? do_syscall_64+0xb6/0x230
[  570.152268][ T7293]  do_syscall_64+0xf3/0x230
[  570.152277][ T7293]  ? clear_bhb_loop+0x35/0x90
[  570.152293][ T7293]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  570.152306][ T7293] RIP: 0033:0x7f480178bb7c
[  570.152317][ T7293] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  570.152326][ T7293] RSP: 002b:00007f480251c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  570.152340][ T7293] RAX: ffffffffffffffda RBX: 00007f48019a5fa0 RCX: 00007f480178bb7c
[  570.152347][ T7293] RDX: 000000000000000f RSI: 00007f480251c0a0 RDI: 0000000000000004
[  570.152354][ T7293] RBP: 00007f480251c090 R08: 0000000000000000 R09: 0000000000000000
[  570.152360][ T7293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  570.152366][ T7293] R13: 0000000000000000 R14: 00007f48019a5fa0 R15: 00007ffd22398058
[  570.152381][ T7293]  </TASK>
[  570.182352][ T7295] FAULT_INJECTION: forcing a failure.
[  570.182352][ T7295] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  570.182374][ T7295] CPU: 0 UID: 0 PID: 7295 Comm: syz.2.721 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  570.182388][ T7295] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  570.182395][ T7295] Call Trace:
[  570.182400][ T7295]  <TASK>
[  570.182404][ T7295]  dump_stack_lvl+0x241/0x360
[  570.182423][ T7295]  ? __pfx_dump_stack_lvl+0x10/0x10
[  570.182435][ T7295]  ? __pfx__printk+0x10/0x10
[  570.182449][ T7295]  ? snprintf+0xda/0x120
[  570.182464][ T7295]  should_fail_ex+0x40a/0x550
[  570.182482][ T7295]  _copy_to_user+0x31/0xb0
[  570.182498][ T7295]  simple_read_from_buffer+0xca/0x150
[  570.182515][ T7295]  proc_fail_nth_read+0x1e9/0x250
[  570.182532][ T7295]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  570.182548][ T7295]  ? rw_verify_area+0x243/0x630
[  570.182557][ T7295]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  570.182572][ T7295]  vfs_read+0x1f8/0xb40
[  570.182583][ T7295]  ? fdget_pos+0x254/0x320
[  570.182598][ T7295]  ? __pfx___mutex_lock+0x10/0x10
[  570.182614][ T7295]  ? __pfx_vfs_read+0x10/0x10
[  570.182623][ T7295]  ? do_sys_openat2+0x17a/0x1d0
[  570.182639][ T7295]  ? __fget_files+0x2a/0x410
[  570.182653][ T7295]  ? __fget_files+0x395/0x410
[  570.182667][ T7295]  ? __fget_files+0x2a/0x410
[  570.182692][ T7295]  ksys_read+0x18f/0x2b0
[  570.182705][ T7295]  ? __pfx_ksys_read+0x10/0x10
[  570.182717][ T7295]  ? do_syscall_64+0x100/0x230
[  570.182728][ T7295]  ? do_syscall_64+0xb6/0x230
[  570.182739][ T7295]  do_syscall_64+0xf3/0x230
[  570.182750][ T7295]  ? clear_bhb_loop+0x35/0x90
[  570.182767][ T7295]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  570.182779][ T7295] RIP: 0033:0x7fc4ead8bb7c
[  570.182790][ T7295] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  570.182800][ T7295] RSP: 002b:00007fc4ebcc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  570.182812][ T7295] RAX: ffffffffffffffda RBX: 00007fc4eafa5fa0 RCX: 00007fc4ead8bb7c
[  570.182819][ T7295] RDX: 000000000000000f RSI: 00007fc4ebcc80a0 RDI: 0000000000000004
[  570.182826][ T7295] RBP: 00007fc4ebcc8090 R08: 0000000000000000 R09: 0000000000000000
[  570.182833][ T7295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  570.182839][ T7295] R13: 0000000000000000 R14: 00007fc4eafa5fa0 R15: 00007fff0ae9e3c8
[  570.182856][ T7295]  </TASK>
[  570.537991][ T7297] FAULT_INJECTION: forcing a failure.
[  570.537991][ T7297] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  570.538013][ T7297] CPU: 0 UID: 0 PID: 7297 Comm: syz.4.722 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  570.538021][ T7297] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  570.538026][ T7297] Call Trace:
[  570.538028][ T7297]  <TASK>
[  570.538033][ T7297]  dump_stack_lvl+0x241/0x360
[  570.538051][ T7297]  ? __pfx_dump_stack_lvl+0x10/0x10
[  570.538064][ T7297]  ? __pfx__printk+0x10/0x10
[  570.538078][ T7297]  ? snprintf+0xda/0x120
[  570.538093][ T7297]  should_fail_ex+0x40a/0x550
[  570.538111][ T7297]  _copy_to_user+0x31/0xb0
[  570.538126][ T7297]  simple_read_from_buffer+0xca/0x150
[  570.538144][ T7297]  proc_fail_nth_read+0x1e9/0x250
[  570.538161][ T7297]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  570.538176][ T7297]  ? rw_verify_area+0x243/0x630
[  570.538188][ T7297]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  570.538202][ T7297]  vfs_read+0x1f8/0xb40
[  570.538214][ T7297]  ? fdget_pos+0x254/0x320
[  570.538236][ T7297]  ? __pfx___mutex_lock+0x10/0x10
[  570.538251][ T7297]  ? __pfx_vfs_read+0x10/0x10
[  570.538261][ T7297]  ? do_sys_openat2+0x17a/0x1d0
[  570.538277][ T7297]  ? __fget_files+0x2a/0x410
[  570.538292][ T7297]  ? __fget_files+0x395/0x410
[  570.538306][ T7297]  ? __fget_files+0x2a/0x410
[  570.538325][ T7297]  ksys_read+0x18f/0x2b0
[  570.538337][ T7297]  ? __pfx_ksys_read+0x10/0x10
[  570.538348][ T7297]  ? do_syscall_64+0x100/0x230
[  570.538360][ T7297]  ? do_syscall_64+0xb6/0x230
[  570.538371][ T7297]  do_syscall_64+0xf3/0x230
[  570.538380][ T7297]  ? clear_bhb_loop+0x35/0x90
[  570.538395][ T7297]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  570.538408][ T7297] RIP: 0033:0x7f03f1f8bb7c
[  570.538419][ T7297] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  570.538429][ T7297] RSP: 002b:00007f03f2d9e030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  570.538443][ T7297] RAX: ffffffffffffffda RBX: 00007f03f21a5fa0 RCX: 00007f03f1f8bb7c
[  570.538452][ T7297] RDX: 000000000000000f RSI: 00007f03f2d9e0a0 RDI: 0000000000000004
[  570.538459][ T7297] RBP: 00007f03f2d9e090 R08: 0000000000000000 R09: 0000000000000000
[  570.538465][ T7297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  570.538471][ T7297] R13: 0000000000000000 R14: 00007f03f21a5fa0 R15: 00007ffc7685b608
[  570.538487][ T7297]  </TASK>
[  570.608798][ T7299] FAULT_INJECTION: forcing a failure.
[  570.608798][ T7299] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  570.608824][ T7299] CPU: 0 UID: 0 PID: 7299 Comm: syz.1.723 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  570.608837][ T7299] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  570.608844][ T7299] Call Trace:
[  570.608851][ T7299]  <TASK>
[  570.608858][ T7299]  dump_stack_lvl+0x241/0x360
[  570.608875][ T7299]  ? __pfx_dump_stack_lvl+0x10/0x10
[  570.608888][ T7299]  ? __pfx__printk+0x10/0x10
[  570.608904][ T7299]  ? snprintf+0xda/0x120
[  570.608919][ T7299]  should_fail_ex+0x40a/0x550
[  570.608938][ T7299]  _copy_to_user+0x31/0xb0
[  570.608953][ T7299]  simple_read_from_buffer+0xca/0x150
[  570.608970][ T7299]  proc_fail_nth_read+0x1e9/0x250
[  570.608985][ T7299]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  570.609001][ T7299]  ? rw_verify_area+0x243/0x630
[  570.609012][ T7299]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  570.609027][ T7299]  vfs_read+0x1f8/0xb40
[  570.609039][ T7299]  ? fdget_pos+0x254/0x320
[  570.609055][ T7299]  ? __pfx___mutex_lock+0x10/0x10
[  570.609071][ T7299]  ? __pfx_vfs_read+0x10/0x10
[  570.609080][ T7299]  ? do_sys_openat2+0x17a/0x1d0
[  570.609096][ T7299]  ? __fget_files+0x2a/0x410
[  570.609111][ T7299]  ? __fget_files+0x395/0x410
[  570.609126][ T7299]  ? __fget_files+0x2a/0x410
[  570.609145][ T7299]  ksys_read+0x18f/0x2b0
[  570.609157][ T7299]  ? __pfx_ksys_read+0x10/0x10
[  570.609169][ T7299]  ? do_syscall_64+0x100/0x230
[  570.609180][ T7299]  ? do_syscall_64+0xb6/0x230
[  570.609192][ T7299]  do_syscall_64+0xf3/0x230
[  570.609203][ T7299]  ? clear_bhb_loop+0x35/0x90
[  570.609221][ T7299]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  570.609236][ T7299] RIP: 0033:0x7f16d658bb7c
[  570.609247][ T7299] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  570.609256][ T7299] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  570.609269][ T7299] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  570.609277][ T7299] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  570.609284][ T7299] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  570.609290][ T7299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  570.609296][ T7299] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  570.609311][ T7299]  </TASK>
[  571.002376][ T7301] FAULT_INJECTION: forcing a failure.
[  571.002376][ T7301] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  571.002400][ T7301] CPU: 0 UID: 0 PID: 7301 Comm: syz.3.724 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  571.002413][ T7301] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  571.002421][ T7301] Call Trace:
[  571.002425][ T7301]  <TASK>
[  571.002431][ T7301]  dump_stack_lvl+0x241/0x360
[  571.002446][ T7301]  ? __pfx_dump_stack_lvl+0x10/0x10
[  571.002453][ T7301]  ? __pfx__printk+0x10/0x10
[  571.002463][ T7301]  ? snprintf+0xda/0x120
[  571.002473][ T7301]  should_fail_ex+0x40a/0x550
[  571.002486][ T7301]  _copy_to_user+0x31/0xb0
[  571.002501][ T7301]  simple_read_from_buffer+0xca/0x150
[  571.002517][ T7301]  proc_fail_nth_read+0x1e9/0x250
[  571.002534][ T7301]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  571.002550][ T7301]  ? rw_verify_area+0x243/0x630
[  571.002561][ T7301]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  571.002575][ T7301]  vfs_read+0x1f8/0xb40
[  571.002587][ T7301]  ? fdget_pos+0x254/0x320
[  571.002602][ T7301]  ? __pfx___mutex_lock+0x10/0x10
[  571.002616][ T7301]  ? __pfx_vfs_read+0x10/0x10
[  571.002625][ T7301]  ? do_sys_openat2+0x17a/0x1d0
[  571.002640][ T7301]  ? __fget_files+0x2a/0x410
[  571.002656][ T7301]  ? __fget_files+0x395/0x410
[  571.002669][ T7301]  ? __fget_files+0x2a/0x410
[  571.002689][ T7301]  ksys_read+0x18f/0x2b0
[  571.002709][ T7301]  ? __pfx_ksys_read+0x10/0x10
[  571.002722][ T7301]  ? do_syscall_64+0x100/0x230
[  571.002734][ T7301]  ? do_syscall_64+0xb6/0x230
[  571.002745][ T7301]  do_syscall_64+0xf3/0x230
[  571.002755][ T7301]  ? clear_bhb_loop+0x35/0x90
[  571.002773][ T7301]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  571.002788][ T7301] RIP: 0033:0x7f1fe338bb7c
[  571.002798][ T7301] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  571.002808][ T7301] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  571.002821][ T7301] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  571.002829][ T7301] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  571.002836][ T7301] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  571.002843][ T7301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  571.002849][ T7301] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  571.002865][ T7301]  </TASK>
[  571.772162][ T7303] FAULT_INJECTION: forcing a failure.
[  571.772162][ T7303] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  571.772189][ T7303] CPU: 0 UID: 0 PID: 7303 Comm: syz.5.725 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  571.772202][ T7303] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  571.772209][ T7303] Call Trace:
[  571.772214][ T7303]  <TASK>
[  571.772219][ T7303]  dump_stack_lvl+0x241/0x360
[  571.772238][ T7303]  ? __pfx_dump_stack_lvl+0x10/0x10
[  571.772251][ T7303]  ? __pfx__printk+0x10/0x10
[  571.772266][ T7303]  ? snprintf+0xda/0x120
[  571.772282][ T7303]  should_fail_ex+0x40a/0x550
[  571.772303][ T7303]  _copy_to_user+0x31/0xb0
[  571.772320][ T7303]  simple_read_from_buffer+0xca/0x150
[  571.772338][ T7303]  proc_fail_nth_read+0x1e9/0x250
[  571.772355][ T7303]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  571.772373][ T7303]  ? rw_verify_area+0x243/0x630
[  571.772384][ T7303]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  571.772400][ T7303]  vfs_read+0x1f8/0xb40
[  571.772413][ T7303]  ? fdget_pos+0x254/0x320
[  571.772429][ T7303]  ? __pfx___mutex_lock+0x10/0x10
[  571.772445][ T7303]  ? __pfx_vfs_read+0x10/0x10
[  571.772455][ T7303]  ? do_sys_openat2+0x17a/0x1d0
[  571.772471][ T7303]  ? __fget_files+0x2a/0x410
[  571.772488][ T7303]  ? __fget_files+0x395/0x410
[  571.772502][ T7303]  ? __fget_files+0x2a/0x410
[  571.772523][ T7303]  ksys_read+0x18f/0x2b0
[  571.772536][ T7303]  ? __pfx_ksys_read+0x10/0x10
[  571.772548][ T7303]  ? do_syscall_64+0x100/0x230
[  571.772561][ T7303]  ? do_syscall_64+0xb6/0x230
[  571.772573][ T7303]  do_syscall_64+0xf3/0x230
[  571.772583][ T7303]  ? clear_bhb_loop+0x35/0x90
[  571.772601][ T7303]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  571.772615][ T7303] RIP: 0033:0x7f942cf8bb7c
[  571.772626][ T7303] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  571.772636][ T7303] RSP: 002b:00007f942dd22030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  571.772649][ T7303] RAX: ffffffffffffffda RBX: 00007f942d1a5fa0 RCX: 00007f942cf8bb7c
[  571.772663][ T7303] RDX: 000000000000000f RSI: 00007f942dd220a0 RDI: 0000000000000004
[  571.772670][ T7303] RBP: 00007f942dd22090 R08: 0000000000000000 R09: 0000000000000000
[  571.772677][ T7303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  571.772684][ T7303] R13: 0000000000000000 R14: 00007f942d1a5fa0 R15: 00007fff43bbce08
[  571.772702][ T7303]  </TASK>
[  572.192372][ T7306] FAULT_INJECTION: forcing a failure.
[  572.192372][ T7306] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  572.192397][ T7306] CPU: 0 UID: 0 PID: 7306 Comm: syz.6.726 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  572.192409][ T7306] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  572.192416][ T7306] Call Trace:
[  572.192420][ T7306]  <TASK>
[  572.192425][ T7306]  dump_stack_lvl+0x241/0x360
[  572.192444][ T7306]  ? __pfx_dump_stack_lvl+0x10/0x10
[  572.192455][ T7306]  ? __pfx__printk+0x10/0x10
[  572.192470][ T7306]  ? snprintf+0xda/0x120
[  572.192483][ T7306]  should_fail_ex+0x40a/0x550
[  572.192503][ T7306]  _copy_to_user+0x31/0xb0
[  572.192519][ T7306]  simple_read_from_buffer+0xca/0x150
[  572.192536][ T7306]  proc_fail_nth_read+0x1e9/0x250
[  572.192551][ T7306]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  572.192567][ T7306]  ? rw_verify_area+0x243/0x630
[  572.192578][ T7306]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  572.192591][ T7306]  vfs_read+0x1f8/0xb40
[  572.192603][ T7306]  ? fdget_pos+0x254/0x320
[  572.192617][ T7306]  ? __pfx___mutex_lock+0x10/0x10
[  572.192631][ T7306]  ? __pfx_vfs_read+0x10/0x10
[  572.192640][ T7306]  ? do_sys_openat2+0x17a/0x1d0
[  572.192655][ T7306]  ? __fget_files+0x2a/0x410
[  572.192669][ T7306]  ? __fget_files+0x395/0x410
[  572.192690][ T7306]  ? __fget_files+0x2a/0x410
[  572.192709][ T7306]  ksys_read+0x18f/0x2b0
[  572.192722][ T7306]  ? __pfx_ksys_read+0x10/0x10
[  572.192733][ T7306]  ? do_syscall_64+0x100/0x230
[  572.192746][ T7306]  ? do_syscall_64+0xb6/0x230
[  572.192757][ T7306]  do_syscall_64+0xf3/0x230
[  572.192767][ T7306]  ? clear_bhb_loop+0x35/0x90
[  572.192783][ T7306]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  572.192796][ T7306] RIP: 0033:0x7f480178bb7c
[  572.192806][ T7306] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  572.192816][ T7306] RSP: 002b:00007f480251c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  572.192829][ T7306] RAX: ffffffffffffffda RBX: 00007f48019a5fa0 RCX: 00007f480178bb7c
[  572.192837][ T7306] RDX: 000000000000000f RSI: 00007f480251c0a0 RDI: 0000000000000004
[  572.192843][ T7306] RBP: 00007f480251c090 R08: 0000000000000000 R09: 0000000000000000
[  572.192850][ T7306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  572.192856][ T7306] R13: 0000000000000000 R14: 00007f48019a5fa0 R15: 00007ffd22398058
[  572.192872][ T7306]  </TASK>
[  572.198183][ T7307] FAULT_INJECTION: forcing a failure.
[  572.198183][ T7307] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  572.198203][ T7307] CPU: 0 UID: 0 PID: 7307 Comm: syz.2.727 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  572.198215][ T7307] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  572.198222][ T7307] Call Trace:
[  572.198227][ T7307]  <TASK>
[  572.198232][ T7307]  dump_stack_lvl+0x241/0x360
[  572.198248][ T7307]  ? __pfx_dump_stack_lvl+0x10/0x10
[  572.198260][ T7307]  ? __pfx__printk+0x10/0x10
[  572.198273][ T7307]  ? snprintf+0xda/0x120
[  572.198287][ T7307]  should_fail_ex+0x40a/0x550
[  572.198307][ T7307]  _copy_to_user+0x31/0xb0
[  572.198322][ T7307]  simple_read_from_buffer+0xca/0x150
[  572.198339][ T7307]  proc_fail_nth_read+0x1e9/0x250
[  572.198351][ T7307]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  572.198361][ T7307]  ? rw_verify_area+0x243/0x630
[  572.198372][ T7307]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  572.198386][ T7307]  vfs_read+0x1f8/0xb40
[  572.198398][ T7307]  ? fdget_pos+0x254/0x320
[  572.198412][ T7307]  ? __pfx___mutex_lock+0x10/0x10
[  572.198427][ T7307]  ? __pfx_vfs_read+0x10/0x10
[  572.198438][ T7307]  ? do_sys_openat2+0x17a/0x1d0
[  572.198453][ T7307]  ? __fget_files+0x2a/0x410
[  572.198468][ T7307]  ? __fget_files+0x395/0x410
[  572.198481][ T7307]  ? __fget_files+0x2a/0x410
[  572.198499][ T7307]  ksys_read+0x18f/0x2b0
[  572.198528][ T7307]  ? __pfx_ksys_read+0x10/0x10
[  572.198540][ T7307]  ? do_syscall_64+0x100/0x230
[  572.198553][ T7307]  ? do_syscall_64+0xb6/0x230
[  572.198565][ T7307]  do_syscall_64+0xf3/0x230
[  572.198574][ T7307]  ? clear_bhb_loop+0x35/0x90
[  572.198590][ T7307]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  572.198604][ T7307] RIP: 0033:0x7fc4ead8bb7c
[  572.198614][ T7307] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  572.198624][ T7307] RSP: 002b:00007fc4ebcc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  572.198636][ T7307] RAX: ffffffffffffffda RBX: 00007fc4eafa5fa0 RCX: 00007fc4ead8bb7c
[  572.198643][ T7307] RDX: 000000000000000f RSI: 00007fc4ebcc80a0 RDI: 0000000000000004
[  572.198649][ T7307] RBP: 00007fc4ebcc8090 R08: 0000000000000000 R09: 0000000000000000
[  572.198656][ T7307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  572.198662][ T7307] R13: 0000000000000000 R14: 00007fc4eafa5fa0 R15: 00007fff0ae9e3c8
[  572.198684][ T7307]  </TASK>
[  572.502250][ T7309] FAULT_INJECTION: forcing a failure.
[  572.502250][ T7309] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  572.502276][ T7309] CPU: 0 UID: 0 PID: 7309 Comm: syz.4.728 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  572.502287][ T7309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  572.502294][ T7309] Call Trace:
[  572.502299][ T7309]  <TASK>
[  572.502303][ T7309]  dump_stack_lvl+0x241/0x360
[  572.502321][ T7309]  ? __pfx_dump_stack_lvl+0x10/0x10
[  572.502332][ T7309]  ? __pfx__printk+0x10/0x10
[  572.502346][ T7309]  ? snprintf+0xda/0x120
[  572.502359][ T7309]  should_fail_ex+0x40a/0x550
[  572.502377][ T7309]  _copy_to_user+0x31/0xb0
[  572.502392][ T7309]  simple_read_from_buffer+0xca/0x150
[  572.502408][ T7309]  proc_fail_nth_read+0x1e9/0x250
[  572.502424][ T7309]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  572.502440][ T7309]  ? rw_verify_area+0x243/0x630
[  572.502451][ T7309]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  572.502465][ T7309]  vfs_read+0x1f8/0xb40
[  572.502476][ T7309]  ? fdget_pos+0x254/0x320
[  572.502490][ T7309]  ? __pfx___mutex_lock+0x10/0x10
[  572.502504][ T7309]  ? __pfx_vfs_read+0x10/0x10
[  572.502513][ T7309]  ? do_sys_openat2+0x17a/0x1d0
[  572.502527][ T7309]  ? __fget_files+0x2a/0x410
[  572.502541][ T7309]  ? __fget_files+0x395/0x410
[  572.502554][ T7309]  ? __fget_files+0x2a/0x410
[  572.502572][ T7309]  ksys_read+0x18f/0x2b0
[  572.502584][ T7309]  ? __pfx_ksys_read+0x10/0x10
[  572.502594][ T7309]  ? do_syscall_64+0x100/0x230
[  572.502605][ T7309]  ? do_syscall_64+0xb6/0x230
[  572.502616][ T7309]  do_syscall_64+0xf3/0x230
[  572.502625][ T7309]  ? clear_bhb_loop+0x35/0x90
[  572.502645][ T7309]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  572.502658][ T7309] RIP: 0033:0x7f03f1f8bb7c
[  572.502668][ T7309] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  572.502677][ T7309] RSP: 002b:00007f03f2d9e030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  572.502689][ T7309] RAX: ffffffffffffffda RBX: 00007f03f21a5fa0 RCX: 00007f03f1f8bb7c
[  572.502697][ T7309] RDX: 000000000000000f RSI: 00007f03f2d9e0a0 RDI: 0000000000000004
[  572.502703][ T7309] RBP: 00007f03f2d9e090 R08: 0000000000000000 R09: 0000000000000000
[  572.502710][ T7309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  572.502716][ T7309] R13: 0000000000000000 R14: 00007f03f21a5fa0 R15: 00007ffc7685b608
[  572.502731][ T7309]  </TASK>
[  572.643293][ T7311] FAULT_INJECTION: forcing a failure.
[  572.643293][ T7311] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  572.643318][ T7311] CPU: 0 UID: 0 PID: 7311 Comm: syz.1.729 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  572.643329][ T7311] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  572.643336][ T7311] Call Trace:
[  572.643346][ T7311]  <TASK>
[  572.643351][ T7311]  dump_stack_lvl+0x241/0x360
[  572.643369][ T7311]  ? __pfx_dump_stack_lvl+0x10/0x10
[  572.643381][ T7311]  ? __pfx__printk+0x10/0x10
[  572.643394][ T7311]  ? snprintf+0xda/0x120
[  572.643407][ T7311]  should_fail_ex+0x40a/0x550
[  572.643426][ T7311]  _copy_to_user+0x31/0xb0
[  572.643441][ T7311]  simple_read_from_buffer+0xca/0x150
[  572.643458][ T7311]  proc_fail_nth_read+0x1e9/0x250
[  572.643475][ T7311]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  572.643491][ T7311]  ? rw_verify_area+0x243/0x630
[  572.643501][ T7311]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  572.643520][ T7311]  vfs_read+0x1f8/0xb40
[  572.643531][ T7311]  ? fdget_pos+0x254/0x320
[  572.643546][ T7311]  ? __pfx___mutex_lock+0x10/0x10
[  572.643562][ T7311]  ? __pfx_vfs_read+0x10/0x10
[  572.643571][ T7311]  ? do_sys_openat2+0x17a/0x1d0
[  572.643587][ T7311]  ? __fget_files+0x2a/0x410
[  572.643602][ T7311]  ? __fget_files+0x395/0x410
[  572.643615][ T7311]  ? __fget_files+0x2a/0x410
[  572.643634][ T7311]  ksys_read+0x18f/0x2b0
[  572.643653][ T7311]  ? __pfx_ksys_read+0x10/0x10
[  572.643664][ T7311]  ? do_syscall_64+0x100/0x230
[  572.643676][ T7311]  ? do_syscall_64+0xb6/0x230
[  572.643688][ T7311]  do_syscall_64+0xf3/0x230
[  572.643697][ T7311]  ? clear_bhb_loop+0x35/0x90
[  572.643715][ T7311]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  572.643728][ T7311] RIP: 0033:0x7f16d658bb7c
[  572.643738][ T7311] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  572.643748][ T7311] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  572.643760][ T7311] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  572.643769][ T7311] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  572.643776][ T7311] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  572.643783][ T7311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  572.643789][ T7311] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  572.643806][ T7311]  </TASK>
[  573.038188][ T7313] FAULT_INJECTION: forcing a failure.
[  573.038188][ T7313] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  573.038213][ T7313] CPU: 0 UID: 0 PID: 7313 Comm: syz.3.730 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  573.038225][ T7313] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  573.038231][ T7313] Call Trace:
[  573.038235][ T7313]  <TASK>
[  573.038239][ T7313]  dump_stack_lvl+0x241/0x360
[  573.038260][ T7313]  ? __pfx_dump_stack_lvl+0x10/0x10
[  573.038272][ T7313]  ? __pfx__printk+0x10/0x10
[  573.038288][ T7313]  ? snprintf+0xda/0x120
[  573.038304][ T7313]  should_fail_ex+0x40a/0x550
[  573.038324][ T7313]  _copy_to_user+0x31/0xb0
[  573.038343][ T7313]  simple_read_from_buffer+0xca/0x150
[  573.038361][ T7313]  proc_fail_nth_read+0x1e9/0x250
[  573.038378][ T7313]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  573.038394][ T7313]  ? rw_verify_area+0x243/0x630
[  573.038404][ T7313]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  573.038416][ T7313]  vfs_read+0x1f8/0xb40
[  573.038427][ T7313]  ? fdget_pos+0x254/0x320
[  573.038442][ T7313]  ? __pfx___mutex_lock+0x10/0x10
[  573.038456][ T7313]  ? __pfx_vfs_read+0x10/0x10
[  573.038464][ T7313]  ? do_sys_openat2+0x17a/0x1d0
[  573.038480][ T7313]  ? __fget_files+0x2a/0x410
[  573.038495][ T7313]  ? __fget_files+0x395/0x410
[  573.038526][ T7313]  ? __fget_files+0x2a/0x410
[  573.038543][ T7313]  ksys_read+0x18f/0x2b0
[  573.038554][ T7313]  ? __pfx_ksys_read+0x10/0x10
[  573.038565][ T7313]  ? do_syscall_64+0x100/0x230
[  573.038575][ T7313]  ? do_syscall_64+0xb6/0x230
[  573.038586][ T7313]  do_syscall_64+0xf3/0x230
[  573.038595][ T7313]  ? clear_bhb_loop+0x35/0x90
[  573.038611][ T7313]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  573.038625][ T7313] RIP: 0033:0x7f1fe338bb7c
[  573.038636][ T7313] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  573.038644][ T7313] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  573.038656][ T7313] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  573.038664][ T7313] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  573.038671][ T7313] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  573.038678][ T7313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  573.038683][ T7313] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  573.038699][ T7313]  </TASK>
[  573.853611][ T7315] FAULT_INJECTION: forcing a failure.
[  573.853611][ T7315] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  573.853633][ T7315] CPU: 0 UID: 0 PID: 7315 Comm: syz.5.731 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  573.853653][ T7315] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  573.853661][ T7315] Call Trace:
[  573.853665][ T7315]  <TASK>
[  573.853670][ T7315]  dump_stack_lvl+0x241/0x360
[  573.853690][ T7315]  ? __pfx_dump_stack_lvl+0x10/0x10
[  573.853702][ T7315]  ? __pfx__printk+0x10/0x10
[  573.853717][ T7315]  ? snprintf+0xda/0x120
[  573.853731][ T7315]  should_fail_ex+0x40a/0x550
[  573.853750][ T7315]  _copy_to_user+0x31/0xb0
[  573.853765][ T7315]  simple_read_from_buffer+0xca/0x150
[  573.853785][ T7315]  proc_fail_nth_read+0x1e9/0x250
[  573.853802][ T7315]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  573.853818][ T7315]  ? rw_verify_area+0x243/0x630
[  573.853829][ T7315]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  573.853842][ T7315]  vfs_read+0x1f8/0xb40
[  573.853854][ T7315]  ? fdget_pos+0x254/0x320
[  573.853870][ T7315]  ? __pfx___mutex_lock+0x10/0x10
[  573.853886][ T7315]  ? __pfx_vfs_read+0x10/0x10
[  573.853895][ T7315]  ? do_sys_openat2+0x17a/0x1d0
[  573.853911][ T7315]  ? __fget_files+0x2a/0x410
[  573.853923][ T7315]  ? __fget_files+0x395/0x410
[  573.853932][ T7315]  ? __fget_files+0x2a/0x410
[  573.853945][ T7315]  ksys_read+0x18f/0x2b0
[  573.853953][ T7315]  ? __pfx_ksys_read+0x10/0x10
[  573.853960][ T7315]  ? do_syscall_64+0x100/0x230
[  573.853967][ T7315]  ? do_syscall_64+0xb6/0x230
[  573.853975][ T7315]  do_syscall_64+0xf3/0x230
[  573.853981][ T7315]  ? clear_bhb_loop+0x35/0x90
[  573.853992][ T7315]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  573.854001][ T7315] RIP: 0033:0x7f942cf8bb7c
[  573.854008][ T7315] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  573.854014][ T7315] RSP: 002b:00007f942dd22030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  573.854023][ T7315] RAX: ffffffffffffffda RBX: 00007f942d1a5fa0 RCX: 00007f942cf8bb7c
[  573.854028][ T7315] RDX: 000000000000000f RSI: 00007f942dd220a0 RDI: 0000000000000004
[  573.854033][ T7315] RBP: 00007f942dd22090 R08: 0000000000000000 R09: 0000000000000000
[  573.854037][ T7315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  573.854042][ T7315] R13: 0000000000000000 R14: 00007f942d1a5fa0 R15: 00007fff43bbce08
[  573.854051][ T7315]  </TASK>
[  574.122303][ T7319] FAULT_INJECTION: forcing a failure.
[  574.122303][ T7319] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  574.122329][ T7319] CPU: 0 UID: 0 PID: 7319 Comm: syz.6.732 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  574.122341][ T7319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  574.122348][ T7319] Call Trace:
[  574.122353][ T7319]  <TASK>
[  574.122358][ T7319]  dump_stack_lvl+0x241/0x360
[  574.122377][ T7319]  ? __pfx_dump_stack_lvl+0x10/0x10
[  574.122389][ T7319]  ? __pfx__printk+0x10/0x10
[  574.122403][ T7319]  ? snprintf+0xda/0x120
[  574.122419][ T7319]  should_fail_ex+0x40a/0x550
[  574.122437][ T7319]  _copy_to_user+0x31/0xb0
[  574.122453][ T7319]  simple_read_from_buffer+0xca/0x150
[  574.122470][ T7319]  proc_fail_nth_read+0x1e9/0x250
[  574.122486][ T7319]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  574.122503][ T7319]  ? rw_verify_area+0x243/0x630
[  574.122514][ T7319]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  574.122528][ T7319]  vfs_read+0x1f8/0xb40
[  574.122541][ T7319]  ? fdget_pos+0x254/0x320
[  574.122556][ T7319]  ? __pfx___mutex_lock+0x10/0x10
[  574.122571][ T7319]  ? __pfx_vfs_read+0x10/0x10
[  574.122581][ T7319]  ? do_sys_openat2+0x17a/0x1d0
[  574.122597][ T7319]  ? __fget_files+0x2a/0x410
[  574.122612][ T7319]  ? __fget_files+0x395/0x410
[  574.122625][ T7319]  ? __fget_files+0x2a/0x410
[  574.122644][ T7319]  ksys_read+0x18f/0x2b0
[  574.122657][ T7319]  ? __pfx_ksys_read+0x10/0x10
[  574.122668][ T7319]  ? do_syscall_64+0x100/0x230
[  574.122679][ T7319]  ? do_syscall_64+0xb6/0x230
[  574.122690][ T7319]  do_syscall_64+0xf3/0x230
[  574.122700][ T7319]  ? clear_bhb_loop+0x35/0x90
[  574.122718][ T7319]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  574.122731][ T7319] RIP: 0033:0x7f480178bb7c
[  574.122742][ T7319] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  574.122751][ T7319] RSP: 002b:00007f480251c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  574.122760][ T7319] RAX: ffffffffffffffda RBX: 00007f48019a5fa0 RCX: 00007f480178bb7c
[  574.122766][ T7319] RDX: 000000000000000f RSI: 00007f480251c0a0 RDI: 0000000000000004
[  574.122770][ T7319] RBP: 00007f480251c090 R08: 0000000000000000 R09: 0000000000000000
[  574.122775][ T7319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  574.122779][ T7319] R13: 0000000000000000 R14: 00007f48019a5fa0 R15: 00007ffd22398058
[  574.122789][ T7319]  </TASK>
[  574.228026][ T7318] FAULT_INJECTION: forcing a failure.
[  574.228026][ T7318] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  574.228052][ T7318] CPU: 0 UID: 0 PID: 7318 Comm: syz.2.733 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  574.228064][ T7318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  574.228071][ T7318] Call Trace:
[  574.228076][ T7318]  <TASK>
[  574.228081][ T7318]  dump_stack_lvl+0x241/0x360
[  574.228099][ T7318]  ? __pfx_dump_stack_lvl+0x10/0x10
[  574.228111][ T7318]  ? __pfx__printk+0x10/0x10
[  574.228125][ T7318]  ? snprintf+0xda/0x120
[  574.228140][ T7318]  should_fail_ex+0x40a/0x550
[  574.228159][ T7318]  _copy_to_user+0x31/0xb0
[  574.228174][ T7318]  simple_read_from_buffer+0xca/0x150
[  574.228192][ T7318]  proc_fail_nth_read+0x1e9/0x250
[  574.228209][ T7318]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  574.228224][ T7318]  ? rw_verify_area+0x243/0x630
[  574.228236][ T7318]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  574.228251][ T7318]  vfs_read+0x1f8/0xb40
[  574.228263][ T7318]  ? fdget_pos+0x254/0x320
[  574.228279][ T7318]  ? __pfx___mutex_lock+0x10/0x10
[  574.228295][ T7318]  ? __pfx_vfs_read+0x10/0x10
[  574.228305][ T7318]  ? do_sys_openat2+0x17a/0x1d0
[  574.228320][ T7318]  ? __fget_files+0x2a/0x410
[  574.228335][ T7318]  ? __fget_files+0x395/0x410
[  574.228349][ T7318]  ? __fget_files+0x2a/0x410
[  574.228367][ T7318]  ksys_read+0x18f/0x2b0
[  574.228380][ T7318]  ? __pfx_ksys_read+0x10/0x10
[  574.228391][ T7318]  ? do_syscall_64+0x100/0x230
[  574.228403][ T7318]  ? do_syscall_64+0xb6/0x230
[  574.228414][ T7318]  do_syscall_64+0xf3/0x230
[  574.228423][ T7318]  ? clear_bhb_loop+0x35/0x90
[  574.228440][ T7318]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  574.228453][ T7318] RIP: 0033:0x7fc4ead8bb7c
[  574.228464][ T7318] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  574.228474][ T7318] RSP: 002b:00007fc4ebcc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  574.228487][ T7318] RAX: ffffffffffffffda RBX: 00007fc4eafa5fa0 RCX: 00007fc4ead8bb7c
[  574.228495][ T7318] RDX: 000000000000000f RSI: 00007fc4ebcc80a0 RDI: 0000000000000004
[  574.228502][ T7318] RBP: 00007fc4ebcc8090 R08: 0000000000000000 R09: 0000000000000000
[  574.228509][ T7318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  574.228515][ T7318] R13: 0000000000000000 R14: 00007fc4eafa5fa0 R15: 00007fff0ae9e3c8
[  574.228532][ T7318]  </TASK>
[  574.499216][ T7321] FAULT_INJECTION: forcing a failure.
[  574.499216][ T7321] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  574.499243][ T7321] CPU: 0 UID: 0 PID: 7321 Comm: syz.4.734 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  574.499256][ T7321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  574.499264][ T7321] Call Trace:
[  574.499269][ T7321]  <TASK>
[  574.499274][ T7321]  dump_stack_lvl+0x241/0x360
[  574.499292][ T7321]  ? __pfx_dump_stack_lvl+0x10/0x10
[  574.499305][ T7321]  ? __pfx__printk+0x10/0x10
[  574.499321][ T7321]  ? snprintf+0xda/0x120
[  574.499337][ T7321]  should_fail_ex+0x40a/0x550
[  574.499357][ T7321]  _copy_to_user+0x31/0xb0
[  574.499372][ T7321]  simple_read_from_buffer+0xca/0x150
[  574.499388][ T7321]  proc_fail_nth_read+0x1e9/0x250
[  574.499404][ T7321]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  574.499420][ T7321]  ? rw_verify_area+0x243/0x630
[  574.499433][ T7321]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  574.499446][ T7321]  vfs_read+0x1f8/0xb40
[  574.499457][ T7321]  ? fdget_pos+0x254/0x320
[  574.499474][ T7321]  ? __pfx___mutex_lock+0x10/0x10
[  574.499489][ T7321]  ? __pfx_vfs_read+0x10/0x10
[  574.499497][ T7321]  ? do_sys_openat2+0x17a/0x1d0
[  574.499513][ T7321]  ? __fget_files+0x2a/0x410
[  574.499527][ T7321]  ? __fget_files+0x395/0x410
[  574.499540][ T7321]  ? __fget_files+0x2a/0x410
[  574.499557][ T7321]  ksys_read+0x18f/0x2b0
[  574.499569][ T7321]  ? __pfx_ksys_read+0x10/0x10
[  574.499580][ T7321]  ? do_syscall_64+0x100/0x230
[  574.499591][ T7321]  ? do_syscall_64+0xb6/0x230
[  574.499602][ T7321]  do_syscall_64+0xf3/0x230
[  574.499611][ T7321]  ? clear_bhb_loop+0x35/0x90
[  574.499628][ T7321]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  574.499642][ T7321] RIP: 0033:0x7f03f1f8bb7c
[  574.499663][ T7321] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  574.499673][ T7321] RSP: 002b:00007f03f2d9e030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  574.499687][ T7321] RAX: ffffffffffffffda RBX: 00007f03f21a5fa0 RCX: 00007f03f1f8bb7c
[  574.499694][ T7321] RDX: 000000000000000f RSI: 00007f03f2d9e0a0 RDI: 0000000000000004
[  574.499701][ T7321] RBP: 00007f03f2d9e090 R08: 0000000000000000 R09: 0000000000000000
[  574.499707][ T7321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  574.499713][ T7321] R13: 0000000000000000 R14: 00007f03f21a5fa0 R15: 00007ffc7685b608
[  574.499726][ T7321]  </TASK>
[  574.635804][ T7323] FAULT_INJECTION: forcing a failure.
[  574.635804][ T7323] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  574.635829][ T7323] CPU: 0 UID: 0 PID: 7323 Comm: syz.1.735 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  574.635841][ T7323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  574.635849][ T7323] Call Trace:
[  574.635855][ T7323]  <TASK>
[  574.635860][ T7323]  dump_stack_lvl+0x241/0x360
[  574.635880][ T7323]  ? __pfx_dump_stack_lvl+0x10/0x10
[  574.635894][ T7323]  ? __pfx__printk+0x10/0x10
[  574.635908][ T7323]  ? snprintf+0xda/0x120
[  574.635925][ T7323]  should_fail_ex+0x40a/0x550
[  574.635947][ T7323]  _copy_to_user+0x31/0xb0
[  574.635965][ T7323]  simple_read_from_buffer+0xca/0x150
[  574.635984][ T7323]  proc_fail_nth_read+0x1e9/0x250
[  574.636004][ T7323]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  574.636022][ T7323]  ? rw_verify_area+0x243/0x630
[  574.636052][ T7323]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  574.636071][ T7323]  vfs_read+0x1f8/0xb40
[  574.636084][ T7323]  ? fdget_pos+0x254/0x320
[  574.636103][ T7323]  ? __pfx___mutex_lock+0x10/0x10
[  574.636120][ T7323]  ? __pfx_vfs_read+0x10/0x10
[  574.636130][ T7323]  ? do_sys_openat2+0x17a/0x1d0
[  574.636148][ T7323]  ? __fget_files+0x2a/0x410
[  574.636165][ T7323]  ? __fget_files+0x395/0x410
[  574.636180][ T7323]  ? __fget_files+0x2a/0x410
[  574.636202][ T7323]  ksys_read+0x18f/0x2b0
[  574.636216][ T7323]  ? __pfx_ksys_read+0x10/0x10
[  574.636229][ T7323]  ? do_syscall_64+0x100/0x230
[  574.636241][ T7323]  ? do_syscall_64+0xb6/0x230
[  574.636252][ T7323]  do_syscall_64+0xf3/0x230
[  574.636261][ T7323]  ? clear_bhb_loop+0x35/0x90
[  574.636279][ T7323]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  574.636294][ T7323] RIP: 0033:0x7f16d658bb7c
[  574.636305][ T7323] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  574.636316][ T7323] RSP: 002b:00007f16d74b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  574.636330][ T7323] RAX: ffffffffffffffda RBX: 00007f16d67a5fa0 RCX: 00007f16d658bb7c
[  574.636338][ T7323] RDX: 000000000000000f RSI: 00007f16d74b20a0 RDI: 0000000000000004
[  574.636344][ T7323] RBP: 00007f16d74b2090 R08: 0000000000000000 R09: 0000000000000000
[  574.636351][ T7323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  574.636357][ T7323] R13: 0000000000000000 R14: 00007f16d67a5fa0 R15: 00007fff40ea9568
[  574.636373][ T7323]  </TASK>
[  575.092358][ T7325] FAULT_INJECTION: forcing a failure.
[  575.092358][ T7325] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  575.092386][ T7325] CPU: 0 UID: 0 PID: 7325 Comm: syz.3.736 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  575.092399][ T7325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  575.092407][ T7325] Call Trace:
[  575.092412][ T7325]  <TASK>
[  575.092418][ T7325]  dump_stack_lvl+0x241/0x360
[  575.092438][ T7325]  ? __pfx_dump_stack_lvl+0x10/0x10
[  575.092451][ T7325]  ? __pfx__printk+0x10/0x10
[  575.092468][ T7325]  ? snprintf+0xda/0x120
[  575.092485][ T7325]  should_fail_ex+0x40a/0x550
[  575.092506][ T7325]  _copy_to_user+0x31/0xb0
[  575.092524][ T7325]  simple_read_from_buffer+0xca/0x150
[  575.092543][ T7325]  proc_fail_nth_read+0x1e9/0x250
[  575.092561][ T7325]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  575.092579][ T7325]  ? rw_verify_area+0x243/0x630
[  575.092591][ T7325]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  575.092608][ T7325]  vfs_read+0x1f8/0xb40
[  575.092621][ T7325]  ? fdget_pos+0x254/0x320
[  575.092637][ T7325]  ? __pfx___mutex_lock+0x10/0x10
[  575.092661][ T7325]  ? __pfx_vfs_read+0x10/0x10
[  575.092671][ T7325]  ? do_sys_openat2+0x17a/0x1d0
[  575.092688][ T7325]  ? __fget_files+0x2a/0x410
[  575.092706][ T7325]  ? __fget_files+0x395/0x410
[  575.092721][ T7325]  ? __fget_files+0x2a/0x410
[  575.092743][ T7325]  ksys_read+0x18f/0x2b0
[  575.092757][ T7325]  ? __pfx_ksys_read+0x10/0x10
[  575.092770][ T7325]  ? do_syscall_64+0x100/0x230
[  575.092784][ T7325]  ? do_syscall_64+0xb6/0x230
[  575.092797][ T7325]  do_syscall_64+0xf3/0x230
[  575.092808][ T7325]  ? clear_bhb_loop+0x35/0x90
[  575.092826][ T7325]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  575.092841][ T7325] RIP: 0033:0x7f1fe338bb7c
[  575.092853][ T7325] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  575.092863][ T7325] RSP: 002b:00007f1fe42ce030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  575.092884][ T7325] RAX: ffffffffffffffda RBX: 00007f1fe35a5fa0 RCX: 00007f1fe338bb7c
[  575.092893][ T7325] RDX: 000000000000000f RSI: 00007f1fe42ce0a0 RDI: 0000000000000004
[  575.092901][ T7325] RBP: 00007f1fe42ce090 R08: 0000000000000000 R09: 0000000000000000
[  575.092908][ T7325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  575.092916][ T7325] R13: 0000000000000000 R14: 00007f1fe35a5fa0 R15: 00007ffe664f69a8
[  575.092934][ T7325]  </TASK>
[  575.611711][   T26] INFO: task syz.0.276:6352 blocked for more than 143 seconds.
[  575.611738][   T26]       Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  575.611747][   T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  575.611755][   T26] task:syz.0.276       state:D stack:9456  pid:6352  tgid:6351  ppid:5461   task_flags:0x440140 flags:0x00004006
[  575.611788][   T26] Call Trace:
[  575.611794][   T26]  <TASK>
[  575.611804][   T26]  __schedule+0x190e/0x4c90
[  575.611829][   T26]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  575.611863][   T26]  ? __pfx___schedule+0x10/0x10
[  575.611889][   T26]  ? __pfx_lock_release+0x10/0x10
[  575.611910][   T26]  ? __lock_acquire+0x1397/0x2100
[  575.611935][   T26]  ? schedule+0x90/0x320
[  575.611953][   T26]  schedule+0x14b/0x320
[  575.611971][   T26]  schedule_timeout+0xb0/0x290
[  575.611988][   T26]  ? __pfx_schedule_timeout+0x10/0x10
[  575.612002][   T26]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  575.612029][   T26]  ? _raw_spin_unlock_irq+0x23/0x50
[  575.612046][   T26]  ? lockdep_hardirqs_on+0x99/0x150
[  575.612066][   T26]  __down_common+0x375/0x820
[  575.612087][   T26]  ? __pfx___down_common+0x10/0x10
[  575.612099][   T26]  ? _raw_spin_lock_irqsave+0xe1/0x120
[  575.612120][   T26]  ? bch2_printbuf_make_room+0xdd/0x350
[  575.612137][   T26]  down+0x84/0xc0
[  575.612152][   T26]  console_lock+0x145/0x1b0
[  575.612169][   T26]  bch2_print_string_as_lines+0x20/0xc0
[  575.612188][   T26]  __bch2_fsck_err+0x1044/0x1420
[  575.612213][   T26]  ? bch2_prt_printf+0x559/0x6d0
[  575.612228][   T26]  ? __pfx_bch2_prt_printf+0x10/0x10
[  575.612242][   T26]  ? __pfx___bch2_fsck_err+0x10/0x10
[  575.612267][   T26]  ? bch2_snapshot_to_text+0x154/0x430
[  575.612292][   T26]  bch2_check_snapshots+0x1ee1/0x3eb0
[  575.612321][   T26]  ? mark_lock+0x9a/0x360
[  575.612352][   T26]  ? __pfx_bch2_check_snapshots+0x10/0x10
[  575.612378][   T26]  ? mark_lock+0x9a/0x360
[  575.612390][   T26]  ? down_trylock+0x57/0xa0
[  575.612405][   T26]  ? __lock_acquire+0x1397/0x2100
[  575.612452][   T26]  ? llist_add_batch+0x143/0x270
[  575.612475][   T26]  ? __pfx_llist_add_batch+0x10/0x10
[  575.612505][   T26]  ? irq_work_queue+0xca/0x150
[  575.612526][   T26]  ? __wake_up_klogd+0xd5/0x110
[  575.612543][   T26]  ? vprintk_emit+0x7ed/0xa10
[  575.612575][   T26]  ? __bch2_print+0x17a/0x220
[  575.612597][   T26]  ? bch2_check_snapshots+0x234/0x3eb0
[  575.612616][   T26]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  575.612638][   T26]  bch2_run_recovery_pass+0xf0/0x1e0
[  575.612658][   T26]  bch2_run_recovery_passes+0x2ad/0xa90
[  575.612689][   T26]  bch2_fs_recovery+0x265a/0x3de0
[  575.612717][   T26]  ? __pfx_bch2_fs_recovery+0x10/0x10
[  575.612757][   T26]  ? __pfx_lock_release+0x10/0x10
[  575.612776][   T26]  ? bch2_get_next_online_dev+0x2b/0x4f0
[  575.612793][   T26]  ? __pfx_lock_release+0x10/0x10
[  575.612820][   T26]  ? bch2_get_next_online_dev+0x2b/0x4f0
[  575.612837][   T26]  ? bch2_get_next_online_dev+0x4b9/0x4f0
[  575.612852][   T26]  ? bch2_get_next_online_dev+0x2b/0x4f0
[  575.612872][   T26]  ? llist_reverse_order+0x72/0x90
[  575.612900][   T26]  bch2_fs_start+0x37c/0x610
[  575.612922][   T26]  bch2_fs_get_tree+0xdb7/0x17a0
[  575.612958][   T26]  ? __pfx_bch2_fs_get_tree+0x10/0x10
[  575.612989][   T26]  ? vfs_parse_monolithic_sep+0x423/0x460
[  575.613010][   T26]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  575.613031][   T26]  ? rcu_is_watching+0x15/0xb0
[  575.613048][   T26]  ? apparmor_capable+0x13b/0x1b0
[  575.613068][   T26]  vfs_get_tree+0x90/0x2b0
[  575.613086][   T26]  do_new_mount+0x2be/0xb40
[  575.613108][   T26]  ? __pfx_do_new_mount+0x10/0x10
[  575.613132][   T26]  __se_sys_mount+0x2d6/0x3c0
[  575.613155][   T26]  ? __pfx___se_sys_mount+0x10/0x10
[  575.613173][   T26]  ? exc_page_fault+0x590/0x8b0
[  575.613193][   T26]  ? __x64_sys_mount+0x20/0xc0
[  575.613213][   T26]  do_syscall_64+0xf3/0x230
[  575.613227][   T26]  ? clear_bhb_loop+0x35/0x90
[  575.613247][   T26]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  575.613265][   T26] RIP: 0033:0x7f74d538e90a
[  575.613278][   T26] RSP: 002b:00007f74d6287e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  575.613294][   T26] RAX: ffffffffffffffda RBX: 00007f74d6287ef0 RCX: 00007f74d538e90a
[  575.613305][   T26] RDX: 00002000000000c0 RSI: 0000200000000000 RDI: 00007f74d6287eb0
[  575.613316][   T26] RBP: 00002000000000c0 R08: 00007f74d6287ef0 R09: 0000000000800000
[  575.613326][   T26] R10: 0000000000800000 R11: 0000000000000246 R12: 0000200000000000
[  575.613336][   T26] R13: 00007f74d6287eb0 R14: 0000000000005903 R15: 0000200000000200
[  575.613357][   T26]  </TASK>
[  575.613378][   T26] 
[  575.613378][   T26] Showing all locks held in the system:
[  575.613388][   T26] 1 lock held by khungtaskd/26:
[  575.613396][   T26]  #0: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[  575.613455][   T26] 2 locks held by kworker/u4:10/1092:
[  575.613482][   T26] 2 locks held by getty/5107:
[  575.613491][   T26]  #0: ffff8880002d10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  575.613530][   T26]  #1: ffffc9000019b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x616/0x1770
[  575.613578][   T26] 4 locks held by kworker/0:7/5600:
[  575.613586][   T26] 4 locks held by syz.0.276/6352:
[  575.613595][   T26]  #0: ffff888041b00278 (&c->state_lock){+.+.}-{4:4}, at: bch2_fs_start+0x45/0x610
[  575.613634][   T26]  #1: ffff888041b04378 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7e4/0xd30
[  575.613672][   T26]  #2: ffff888042160140 (bcachefs_btree){+.+.}-{0:0}, at: bch2_trans_begin+0x9c1/0x1d10
[  575.613715][   T26]  #3: ffff888041b61548 (&c->fsck_error_msgs_lock){+.+.}-{4:4}, at: __bch2_fsck_err+0x3b0/0x1420
[  575.613756][   T26] 3 locks held by syz.6.738/7329:
[  575.613764][   T26] 2 locks held by syz.2.739/7331:
[  575.613773][   T26] 2 locks held by syz.4.740/7333:
[  575.613781][   T26] 2 locks held by syz.1.741/7335:
[  575.613790][   T26] 
[  575.613795][   T26] =============================================
[  575.613795][   T26] 
[  575.613802][   T26] NMI backtrace for cpu 0
[  575.613809][   T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  575.613822][   T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  575.613829][   T26] Call Trace:
[  575.613834][   T26]  <TASK>
[  575.613839][   T26]  dump_stack_lvl+0x241/0x360
[  575.613854][   T26]  ? __pfx_dump_stack_lvl+0x10/0x10
[  575.613867][   T26]  ? __pfx__printk+0x10/0x10
[  575.613893][   T26]  nmi_cpu_backtrace+0x49c/0x4d0
[  575.613912][   T26]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  575.613925][   T26]  ? _printk+0xd5/0x120
[  575.613936][   T26]  ? __pfx__printk+0x10/0x10
[  575.613947][   T26]  ? __wake_up_klogd+0xcc/0x110
[  575.613962][   T26]  ? __pfx__printk+0x10/0x10
[  575.613976][   T26]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  575.613992][   T26]  nmi_trigger_cpumask_backtrace+0x198/0x320
[  575.614009][   T26]  watchdog+0x1058/0x10a0
[  575.614028][   T26]  ? watchdog+0x1ea/0x10a0
[  575.614048][   T26]  ? __pfx_watchdog+0x10/0x10
[  575.614064][   T26]  kthread+0x7a9/0x920
[  575.614081][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614096][   T26]  ? __pfx_watchdog+0x10/0x10
[  575.614110][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614122][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614137][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614149][   T26]  ? _raw_spin_unlock_irq+0x23/0x50
[  575.614162][   T26]  ? lockdep_hardirqs_on+0x99/0x150
[  575.614176][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614192][   T26]  ret_from_fork+0x4b/0x80
[  575.614204][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614218][   T26]  ret_from_fork_asm+0x1a/0x30
[  575.614239][   T26]  </TASK>
[  575.614246][   T26] Kernel panic - not syncing: hung_task: blocked tasks
[  575.614252][   T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
[  575.614264][   T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  575.614271][   T26] Call Trace:
[  575.614276][   T26]  <TASK>
[  575.614281][   T26]  dump_stack_lvl+0x241/0x360
[  575.614295][   T26]  ? __pfx_dump_stack_lvl+0x10/0x10
[  575.614306][   T26]  ? __pfx__printk+0x10/0x10
[  575.614320][   T26]  ? vscnprintf+0x5d/0x90
[  575.614335][   T26]  panic+0x349/0x880
[  575.614346][   T26]  ? nmi_trigger_cpumask_backtrace+0x244/0x320
[  575.614361][   T26]  ? __pfx_panic+0x10/0x10
[  575.614372][   T26]  ? __wake_up_klogd+0xcc/0x110
[  575.614386][   T26]  ? irq_work_queue+0xd1/0x150
[  575.614401][   T26]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  575.614416][   T26]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  575.614430][   T26]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  575.614442][   T26]  ? nmi_trigger_cpumask_backtrace+0x251/0x320
[  575.614457][   T26]  watchdog+0x1097/0x10a0
[  575.614474][   T26]  ? watchdog+0x1ea/0x10a0
[  575.614490][   T26]  ? __pfx_watchdog+0x10/0x10
[  575.614505][   T26]  kthread+0x7a9/0x920
[  575.614517][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614532][   T26]  ? __pfx_watchdog+0x10/0x10
[  575.614546][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614558][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614574][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614588][   T26]  ? _raw_spin_unlock_irq+0x23/0x50
[  575.614602][   T26]  ? lockdep_hardirqs_on+0x99/0x150
[  575.614617][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614632][   T26]  ret_from_fork+0x4b/0x80
[  575.614644][   T26]  ? __pfx_kthread+0x10/0x10
[  575.614658][   T26]  ret_from_fork_asm+0x1a/0x30
[  575.614675][   T26]  </TASK>
[  575.614936][   T26] Kernel Offset: disabled

VM DIAGNOSIS:
04:33:09  Registers:
info registers vcpu 0

CPU#0
RAX=000000000000005b RBX=ffffffff9a99a100 RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc900004d77d0
R8 =ffffffff8584562b R9 =1ffff11003e4d046 R10=dffffc0000000000 R11=ffffffff858455e0
R12=dffffc0000000000 R13=000000000000005b R14=000000000000005b R15=00000000000003f8
RIP=ffffffff8584565e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff88801fc00000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe0000001000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00007f1fda9a4000 CR3=0000000055d0e000 CR4=00352ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
Opmask00=0000000080040001 Opmask01=0000000001000001 Opmask02=00000000ffffffef Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1fe42cd5a0 00007f1fe42cd580
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1fe42cd6e0 00007f1fe42cd560
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000001a0000000d0 00000000ffffffff
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1fe42cd5a0
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1fe42cd6e0
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1fe42cd6e0 00007f1fe42cd560
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1fe42cd5a0 00007f1fe42cd580
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1fe340f323
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1fe340f401
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0063696e61703d73 726f727265006f72 2d746e756f6d6572 3d73726f72726500
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00464c4b44551856 574a575740004a57 08514b504a484057 1856574a57574000
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000003 0000000000000000 0000000000000000 00000000000000f0
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000524f525245
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00524f5252450040
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00e800a800000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000