Warning: Permanently added '10.128.1.33' (ED25519) to the list of known hosts. 2024/07/13 09:50:30 ignoring optional flag "sandboxArg"="0" 2024/07/13 09:50:30 parsed 1 programs [ 41.451470][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 41.451483][ T24] audit: type=1400 audit(1720864230.240:94): avc: denied { mount } for pid=338 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 2024/07/13 09:50:30 executed programs: 0 [ 41.481431][ T24] audit: type=1400 audit(1720864230.280:95): avc: denied { unlink } for pid=338 comm="syz-executor" name="swap-file" dev="sda1" ino=1930 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 41.540702][ T338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 41.599233][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.606730][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.614216][ T344] device bridge_slave_0 entered promiscuous mode [ 41.620897][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.627856][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.635069][ T344] device bridge_slave_1 entered promiscuous mode [ 41.670316][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.677188][ T344] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.684318][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.691493][ T344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.708377][ T15] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.715566][ T15] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.723273][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.730466][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.740041][ T286] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.748154][ T286] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.755006][ T286] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.763462][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.771410][ T15] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.778281][ T15] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.789804][ T286] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.798881][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.812120][ T286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.823075][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.830902][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.838738][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.846838][ T344] device veth0_vlan entered promiscuous mode [ 41.856520][ T286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.865345][ T344] device veth1_macvtap entered promiscuous mode [ 41.874314][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.885964][ T286] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.897722][ T24] audit: type=1400 audit(1720864230.690:96): avc: denied { mounton } for pid=344 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 41.926871][ T24] audit: type=1400 audit(1720864230.720:97): avc: denied { read } for pid=350 comm="syz-executor.0" name="loop-control" dev="devtmpfs" ino=110 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 41.951528][ T24] audit: type=1400 audit(1720864230.720:98): avc: denied { open } for pid=350 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=110 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 41.976397][ T24] audit: type=1400 audit(1720864230.720:99): avc: denied { ioctl } for pid=350 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=110 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 41.980603][ T353] FAULT_INJECTION: forcing a failure. [ 41.980603][ T353] name failslab, interval 1, probability 0, space 0, times 1 [ 42.015248][ T353] CPU: 0 PID: 353 Comm: syz-executor.0 Not tainted 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 42.025515][ T353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 42.035409][ T353] Call Trace: [ 42.038562][ T353] dump_stack_lvl+0x1e2/0x24b [ 42.043058][ T353] ? panic+0x812/0x812 [ 42.046948][ T353] ? bfq_pos_tree_add_move+0x43b/0x43b [ 42.052344][ T353] dump_stack+0x15/0x17 [ 42.056321][ T353] should_fail+0x3c6/0x510 [ 42.060570][ T353] ? security_inode_alloc+0x29/0x120 [ 42.065694][ T353] __should_failslab+0xa4/0xe0 [ 42.070289][ T353] should_failslab+0x9/0x20 [ 42.074642][ T353] kmem_cache_alloc+0x3d/0x2e0 [ 42.079799][ T353] ? slab_post_alloc_hook+0x61/0x2f0 [ 42.084914][ T353] security_inode_alloc+0x29/0x120 [ 42.089934][ T353] inode_init_always+0x767/0x9f0 [ 42.094728][ T353] new_inode_pseudo+0x93/0x220 [ 42.099411][ T353] new_inode+0x28/0x1c0 [ 42.103382][ T353] ? start_creating+0x1d4/0x2f0 [ 42.108180][ T353] __debugfs_create_file+0x14d/0x4c0 [ 42.113290][ T353] ? up_write+0x59/0x120 [ 42.117504][ T353] debugfs_create_file+0x4a/0x60 [ 42.122267][ T353] bdi_register_va+0x2a6/0x610 [ 42.126866][ T353] bdi_register+0xd1/0x120 [ 42.131122][ T353] ? vsnprintf+0x1e1/0x1c70 [ 42.135459][ T353] ? __device_add_disk+0x552/0x11a0 [ 42.140491][ T353] ? bdi_register_va+0x610/0x610 [ 42.145266][ T353] ? __kasan_check_read+0x11/0x20 [ 42.150260][ T353] ? blk_alloc_devt+0xd7/0x330 [ 42.154830][ T353] __device_add_disk+0x5de/0x11a0 [ 42.159712][ T353] ? device_add_disk+0x40/0x40 [ 42.164293][ T353] ? vsprintf+0x40/0x40 [ 42.168288][ T353] ? device_initialize+0x1e1/0x420 [ 42.173235][ T353] device_add_disk+0x2a/0x40 [ 42.177674][ T353] loop_add+0x580/0x750 [ 42.181658][ T353] loop_control_ioctl+0x448/0x620 [ 42.186520][ T353] ? loop_remove+0xb0/0xb0 [ 42.190765][ T353] ? __fget_files+0x31e/0x380 [ 42.195303][ T353] ? security_file_ioctl+0x84/0xb0 [ 42.200233][ T353] ? loop_remove+0xb0/0xb0 [ 42.204475][ T353] __se_sys_ioctl+0x114/0x190 [ 42.208989][ T353] __x64_sys_ioctl+0x7b/0x90 [ 42.213501][ T353] do_syscall_64+0x34/0x70 [ 42.217755][ T353] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.223490][ T353] RIP: 0033:0x7f3819dc6ae9 [ 42.227740][ T353] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 42.247985][ T353] RSP: 002b:00007f38199280c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.256491][ T353] RAX: ffffffffffffffda RBX: 00007f3819ee6050 RCX: 00007f3819dc6ae9 [ 42.264382][ T353] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.272202][ T353] RBP: 00007f3819928120 R08: 0000000000000000 R09: 0000000000000000 [ 42.280108][ T353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.288006][ T353] R13: 000000000000006e R14: 00007f3819ee6050 R15: 00007fff8fd4d0a8 [ 42.296629][ T353] debugfs: out of free dentries, can not create file 'stats' [ 42.297539][ T24] audit: type=1400 audit(1720864231.090:100): avc: denied { read } for pid=75 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 42.353939][ T355] FAULT_INJECTION: forcing a failure. [ 42.353939][ T355] name failslab, interval 1, probability 0, space 0, times 0 [ 42.366544][ T355] CPU: 1 PID: 355 Comm: syz-executor.0 Not tainted 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 42.376764][ T355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 42.386883][ T355] Call Trace: [ 42.390020][ T355] dump_stack_lvl+0x1e2/0x24b [ 42.394638][ T355] ? bfq_pos_tree_add_move+0x43b/0x43b [ 42.400068][ T355] dump_stack+0x15/0x17 [ 42.404239][ T355] should_fail+0x3c6/0x510 [ 42.408567][ T355] ? device_add+0xbe/0xbc0 [ 42.412804][ T355] __should_failslab+0xa4/0xe0 [ 42.417409][ T355] should_failslab+0x9/0x20 [ 42.421882][ T355] kmem_cache_alloc_trace+0x3a/0x2e0 [ 42.427117][ T355] ? __kasan_check_write+0x14/0x20 [ 42.432013][ T355] device_add+0xbe/0xbc0 [ 42.436090][ T355] __device_add_disk+0x785/0x11a0 [ 42.441035][ T355] ? device_add_disk+0x40/0x40 [ 42.445624][ T355] ? vsprintf+0x40/0x40 [ 42.449621][ T355] ? device_initialize+0x1e1/0x420 [ 42.454567][ T355] device_add_disk+0x2a/0x40 [ 42.458988][ T355] loop_add+0x580/0x750 [ 42.462987][ T355] loop_control_ioctl+0x448/0x620 [ 42.467840][ T355] ? loop_remove+0xb0/0xb0 [ 42.472096][ T355] ? __fget_files+0x31e/0x380 [ 42.476626][ T355] ? security_file_ioctl+0x84/0xb0 [ 42.481562][ T355] ? loop_remove+0xb0/0xb0 [ 42.485834][ T355] __se_sys_ioctl+0x114/0x190 [ 42.490619][ T355] __x64_sys_ioctl+0x7b/0x90 [ 42.495136][ T355] do_syscall_64+0x34/0x70 [ 42.499487][ T355] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.505195][ T355] RIP: 0033:0x7f3819dc6ae9 [ 42.509446][ T355] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 42.529062][ T355] RSP: 002b:00007f38199490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.537294][ T355] RAX: ffffffffffffffda RBX: 00007f3819ee5f80 RCX: 00007f3819dc6ae9 [ 42.545161][ T355] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.553159][ T355] RBP: 00007f3819949120 R08: 0000000000000000 R09: 0000000000000000 [ 42.561147][ T355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.569473][ T355] R13: 000000000000000b R14: 00007f3819ee5f80 R15: 00007fff8fd4d0a8 [ 42.577925][ T355] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 42.586124][ T355] ------------[ cut here ]------------ [ 42.592778][ T355] WARNING: CPU: 0 PID: 355 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 42.602648][ T355] Modules linked in: [ 42.606544][ T355] CPU: 0 PID: 355 Comm: syz-executor.0 Not tainted 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 42.617007][ T355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 42.627386][ T355] RIP: 0010:sysfs_create_files+0x325/0x470 [ 42.633170][ T355] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 d1 92 d4 ff e9 a8 fe ff ff e8 b7 00 97 ff 31 db e9 ef 00 00 00 e8 ab 00 97 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 42.652786][ T355] RSP: 0018:ffffc90000ee7b00 EFLAGS: 00010293 [ 42.658741][ T355] RAX: ffffffff81d3ab08 RBX: ffff88810ca1c098 RCX: ffff88810c3413c0 [ 42.667862][ T355] RDX: 0000000000000000 RSI: ffffffff863521a0 RDI: ffff88810ca1c068 [ 42.675710][ T355] RBP: ffffc90000ee7bd0 R08: ffffffff82706a17 R09: ffffed102158caf4 [ 42.683510][ T355] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 42.691473][ T355] R13: ffffffff855f7820 R14: dffffc0000000000 R15: ffff88810ca1c068 [ 42.699322][ T355] FS: 00007f38199496c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 42.708188][ T355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.714620][ T355] CR2: 00007f3819948ff8 CR3: 000000010c940000 CR4: 00000000003506b0 [ 42.722487][ T355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.730277][ T355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.738152][ T355] Call Trace: [ 42.741314][ T355] ? show_regs+0x58/0x60 [ 42.745828][ T355] ? __warn+0x160/0x2f0 [ 42.749940][ T355] ? sysfs_create_files+0x325/0x470 [ 42.755106][ T355] ? report_bug+0x3d9/0x5b0 [ 42.759697][ T355] ? sysfs_create_files+0x325/0x470 [ 42.764794][ T355] ? handle_bug+0x41/0x70 [ 42.768954][ T355] ? exc_invalid_op+0x1b/0x50 [ 42.773500][ T355] ? asm_exc_invalid_op+0x12/0x20 [ 42.778344][ T355] ? kobject_get+0xc7/0x120 [ 42.782677][ T355] ? sysfs_create_files+0x458/0x470 [ 42.787679][ T355] ? sysfs_create_files+0x325/0x470 [ 42.792743][ T355] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 42.797926][ T355] ? __kasan_check_write+0x14/0x20 [ 42.803012][ T355] ? kobject_get+0xd1/0x120 [ 42.807493][ T355] __device_add_disk+0x9a7/0x11a0 [ 42.812387][ T355] ? device_add_disk+0x40/0x40 [ 42.816971][ T355] ? vsprintf+0x40/0x40 [ 42.820951][ T355] ? device_initialize+0x1e1/0x420 [ 42.826209][ T355] device_add_disk+0x2a/0x40 [ 42.830736][ T355] loop_add+0x580/0x750 [ 42.834753][ T355] loop_control_ioctl+0x448/0x620 [ 42.839639][ T355] ? loop_remove+0xb0/0xb0 [ 42.843919][ T355] ? __fget_files+0x31e/0x380 [ 42.848405][ T355] ? security_file_ioctl+0x84/0xb0 [ 42.853472][ T355] ? loop_remove+0xb0/0xb0 [ 42.857700][ T355] __se_sys_ioctl+0x114/0x190 [ 42.862405][ T355] __x64_sys_ioctl+0x7b/0x90 [ 42.866802][ T355] do_syscall_64+0x34/0x70 [ 42.871051][ T355] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.876825][ T355] RIP: 0033:0x7f3819dc6ae9 [ 42.881043][ T355] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 42.900860][ T355] RSP: 002b:00007f38199490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.909431][ T355] RAX: ffffffffffffffda RBX: 00007f3819ee5f80 RCX: 00007f3819dc6ae9 [ 42.917317][ T355] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.925197][ T355] RBP: 00007f3819949120 R08: 0000000000000000 R09: 0000000000000000 [ 42.932963][ T355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.940788][ T355] R13: 000000000000000b R14: 00007f3819ee5f80 R15: 00007fff8fd4d0a8 [ 42.948593][ T355] ---[ end trace 8cfcf6c8a31a5fae ]--- [ 42.953857][ T355] ------------[ cut here ]------------ [ 42.959137][ T355] kernfs: can not remove 'events', no directory [ 42.965599][ T355] WARNING: CPU: 0 PID: 355 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 42.975162][ T355] Modules linked in: [ 42.978934][ T355] CPU: 0 PID: 355 Comm: syz-executor.0 Tainted: G W 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 42.990700][ T355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 43.000968][ T355] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 43.007319][ T355] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 b3 60 97 ff 48 c7 c7 40 d2 4a 85 4c 89 e6 e8 d4 ea 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 96 60 97 ff bb fe ff ff ff 4c 89 f7 [ 43.027228][ T355] RSP: 0018:ffffc90000ee7ac8 EFLAGS: 00010246 [ 43.033093][ T355] RAX: 98445eb757b5ec00 RBX: ffff88810ca1c098 RCX: ffff88810c3413c0 [ 43.040970][ T355] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.049004][ T355] RBP: ffffc90000ee7af0 R08: ffffffff81521de8 R09: fffff520001dce6d [ 43.056794][ T355] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f78e0 [ 43.064817][ T355] R13: 0000000000000000 R14: ffffffff855f7820 R15: 0000000000000000 [ 43.072734][ T355] FS: 00007f38199496c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 43.082201][ T355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.088610][ T355] CR2: 00007f3819948ff8 CR3: 000000010c940000 CR4: 00000000003506b0 [ 43.096486][ T355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.104235][ T355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.112048][ T355] Call Trace: [ 43.115157][ T355] ? show_regs+0x58/0x60 [ 43.119237][ T355] ? __warn+0x160/0x2f0 [ 43.123444][ T355] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.129083][ T355] ? report_bug+0x3d9/0x5b0 [ 43.133455][ T355] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.138972][ T355] ? handle_bug+0x41/0x70 [ 43.143165][ T355] ? exc_invalid_op+0x1b/0x50 [ 43.147845][ T355] ? asm_exc_invalid_op+0x12/0x20 [ 43.152724][ T355] ? wake_up_klogd+0xb8/0xf0 [ 43.157107][ T355] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.162693][ T355] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.168219][ T355] sysfs_create_files+0x3de/0x470 [ 43.173108][ T355] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 43.178293][ T355] ? __kasan_check_write+0x14/0x20 [ 43.183286][ T355] ? kobject_get+0xd1/0x120 [ 43.187661][ T355] __device_add_disk+0x9a7/0x11a0 [ 43.192657][ T355] ? device_add_disk+0x40/0x40 [ 43.197241][ T355] ? vsprintf+0x40/0x40 [ 43.201520][ T355] ? device_initialize+0x1e1/0x420 [ 43.206501][ T355] device_add_disk+0x2a/0x40 [ 43.210891][ T355] loop_add+0x580/0x750 [ 43.215031][ T355] loop_control_ioctl+0x448/0x620 [ 43.219932][ T355] ? loop_remove+0xb0/0xb0 [ 43.224355][ T355] ? __fget_files+0x31e/0x380 [ 43.228770][ T355] ? security_file_ioctl+0x84/0xb0 [ 43.233863][ T355] ? loop_remove+0xb0/0xb0 [ 43.238208][ T355] __se_sys_ioctl+0x114/0x190 [ 43.242746][ T355] __x64_sys_ioctl+0x7b/0x90 [ 43.247133][ T355] do_syscall_64+0x34/0x70 [ 43.251396][ T355] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.257150][ T355] RIP: 0033:0x7f3819dc6ae9 [ 43.261363][ T355] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 43.280862][ T355] RSP: 002b:00007f38199490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.289273][ T355] RAX: ffffffffffffffda RBX: 00007f3819ee5f80 RCX: 00007f3819dc6ae9 [ 43.297178][ T355] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.305882][ T355] RBP: 00007f3819949120 R08: 0000000000000000 R09: 0000000000000000 [ 43.313804][ T355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.321627][ T355] R13: 000000000000000b R14: 00007f3819ee5f80 R15: 00007fff8fd4d0a8 [ 43.329510][ T355] ---[ end trace 8cfcf6c8a31a5faf ]--- [ 43.334716][ T355] loop0: failed to create sysfs files for events [ 43.346439][ T358] ------------[ cut here ]------------ [ 43.351828][ T358] kernfs: can not remove 'events', no directory [ 43.358056][ T358] WARNING: CPU: 0 PID: 358 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 43.367687][ T358] Modules linked in: [ 43.371319][ T358] CPU: 0 PID: 358 Comm: syz-executor.0 Tainted: G W 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 43.383188][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 43.393341][ T358] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 43.399571][ T358] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 b3 60 97 ff 48 c7 c7 40 d2 4a 85 4c 89 e6 e8 d4 ea 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 96 60 97 ff bb fe ff ff ff 4c 89 f7 [ 43.419348][ T358] RSP: 0018:ffffc90000f17c08 EFLAGS: 00010246 [ 43.425257][ T358] RAX: 55215888672b5800 RBX: ffffffff855f7820 RCX: ffff88810c343b40 [ 43.433068][ T358] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.440856][ T358] RBP: ffffc90000f17c30 R08: ffffffff81521de8 R09: fffff520001e2e95 [ 43.448732][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f78e0 [ 43.456529][ T358] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 43.464462][ T358] FS: 00007f38199496c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 43.473272][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.479747][ T358] CR2: 00007f3819927ff8 CR3: 000000010c940000 CR4: 00000000003506a0 [ 43.487593][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.495503][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.503745][ T358] Call Trace: [ 43.506863][ T358] ? show_regs+0x58/0x60 [ 43.510928][ T358] ? __warn+0x160/0x2f0 [ 43.514972][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.520479][ T358] ? report_bug+0x3d9/0x5b0 [ 43.525024][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.530634][ T358] ? handle_bug+0x41/0x70 [ 43.534866][ T358] ? exc_invalid_op+0x1b/0x50 [ 43.539442][ T358] ? asm_exc_invalid_op+0x12/0x20 [ 43.544348][ T358] ? wake_up_klogd+0xb8/0xf0 [ 43.548812][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.554759][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.560497][ T358] sysfs_remove_files+0xa5/0x100 [ 43.565317][ T358] del_gendisk+0x248/0xa90 [ 43.569779][ T358] ? device_add_disk_no_queue_reg+0x30/0x30 [ 43.575563][ T358] ? radix_tree_delete_item+0x24d/0x350 [ 43.580942][ T358] loop_remove+0x46/0xb0 [ 43.585127][ T358] loop_control_ioctl+0x564/0x620 [ 43.590167][ T358] ? loop_remove+0xb0/0xb0 [ 43.594524][ T358] ? __fget_files+0x31e/0x380 [ 43.599035][ T358] ? security_file_ioctl+0x84/0xb0 [ 43.604038][ T358] ? loop_remove+0xb0/0xb0 [ 43.608329][ T358] __se_sys_ioctl+0x114/0x190 [ 43.612902][ T358] __x64_sys_ioctl+0x7b/0x90 [ 43.617268][ T358] do_syscall_64+0x34/0x70 [ 43.621538][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.627642][ T358] RIP: 0033:0x7f3819dc6ae9 [ 43.632119][ T358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 43.651867][ T358] RSP: 002b:00007f38199490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.660195][ T358] RAX: ffffffffffffffda RBX: 00007f3819ee5f80 RCX: 00007f3819dc6ae9 [ 43.667921][ T358] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 43.675882][ T358] RBP: 00007f3819e1247a R08: 0000000000000000 R09: 0000000000000000 [ 43.683678][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.691598][ T358] R13: 000000000000000b R14: 00007f3819ee5f80 R15: 00007fff8fd4d0a8 [ 43.699470][ T358] ---[ end trace 8cfcf6c8a31a5fb0 ]--- [ 43.705159][ T358] ------------[ cut here ]------------ [ 43.710421][ T358] kernfs: can not remove 'events_async', no directory [ 43.717248][ T358] WARNING: CPU: 1 PID: 358 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 43.726790][ T358] Modules linked in: [ 43.730514][ T358] CPU: 1 PID: 358 Comm: syz-executor.0 Tainted: G W 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 43.742205][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 43.752298][ T358] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 43.758507][ T358] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 b3 60 97 ff 48 c7 c7 40 d2 4a 85 4c 89 e6 e8 d4 ea 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 96 60 97 ff bb fe ff ff ff 4c 89 f7 [ 43.778557][ T358] RSP: 0018:ffffc90000f17c08 EFLAGS: 00010246 [ 43.784671][ T358] RAX: 55215888672b5800 RBX: ffffffff855f7860 RCX: ffff88810c343b40 [ 43.793595][ T358] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.801755][ T358] RBP: ffffc90000f17c30 R08: ffffffff81521de8 R09: fffff520001e2e95 [ 43.809927][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f7980 [ 43.817837][ T358] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 43.825622][ T358] FS: 00007f38199496c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 43.834609][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.840936][ T358] CR2: 00007f3819927ff8 CR3: 000000010c940000 CR4: 00000000003506a0 [ 43.849007][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.857146][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.864971][ T358] Call Trace: [ 43.868054][ T358] ? show_regs+0x58/0x60 [ 43.872167][ T358] ? __warn+0x160/0x2f0 [ 43.876130][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.881681][ T358] ? report_bug+0x3d9/0x5b0 [ 43.886227][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.891703][ T358] ? handle_bug+0x41/0x70 [ 43.895885][ T358] ? exc_invalid_op+0x1b/0x50 [ 43.900370][ T358] ? asm_exc_invalid_op+0x12/0x20 [ 43.905263][ T358] ? wake_up_klogd+0xb8/0xf0 [ 43.909945][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.915556][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 43.921034][ T358] sysfs_remove_files+0xa5/0x100 [ 43.926014][ T358] del_gendisk+0x248/0xa90 [ 43.930225][ T358] ? device_add_disk_no_queue_reg+0x30/0x30 [ 43.936005][ T358] ? radix_tree_delete_item+0x24d/0x350 [ 43.941349][ T358] loop_remove+0x46/0xb0 [ 43.945731][ T358] loop_control_ioctl+0x564/0x620 [ 43.950661][ T358] ? loop_remove+0xb0/0xb0 [ 43.955084][ T358] ? __fget_files+0x31e/0x380 [ 43.959529][ T358] ? security_file_ioctl+0x84/0xb0 [ 43.964493][ T358] ? loop_remove+0xb0/0xb0 [ 43.968751][ T358] __se_sys_ioctl+0x114/0x190 [ 43.973288][ T358] __x64_sys_ioctl+0x7b/0x90 [ 43.977836][ T358] do_syscall_64+0x34/0x70 [ 43.982227][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.987904][ T358] RIP: 0033:0x7f3819dc6ae9 [ 43.992370][ T358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.012228][ T358] RSP: 002b:00007f38199490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.020563][ T358] RAX: ffffffffffffffda RBX: 00007f3819ee5f80 RCX: 00007f3819dc6ae9 [ 44.028441][ T358] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.036233][ T358] RBP: 00007f3819e1247a R08: 0000000000000000 R09: 0000000000000000 [ 44.044065][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.051927][ T358] R13: 000000000000000b R14: 00007f3819ee5f80 R15: 00007fff8fd4d0a8 [ 44.059768][ T358] ---[ end trace 8cfcf6c8a31a5fb1 ]--- [ 44.065029][ T358] ------------[ cut here ]------------ [ 44.070324][ T358] kernfs: can not remove 'events_poll_msecs', no directory [ 44.077452][ T358] WARNING: CPU: 1 PID: 358 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 44.087000][ T358] Modules linked in: [ 44.090708][ T358] CPU: 1 PID: 358 Comm: syz-executor.0 Tainted: G W 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 44.102557][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 44.112491][ T358] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 44.118696][ T358] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 b3 60 97 ff 48 c7 c7 40 d2 4a 85 4c 89 e6 e8 d4 ea 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 96 60 97 ff bb fe ff ff ff 4c 89 f7 [ 44.138318][ T358] RSP: 0018:ffffc90000f17c08 EFLAGS: 00010246 [ 44.144369][ T358] RAX: 55215888672b5800 RBX: ffffffff855f78a0 RCX: ffff88810c343b40 [ 44.152161][ T358] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.160070][ T358] RBP: ffffc90000f17c30 R08: ffffffff81521de8 R09: fffff520001e2e95 [ 44.167918][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f79a0 [ 44.175690][ T358] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000000 [ 44.183688][ T358] FS: 00007f38199496c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.192565][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.198935][ T358] CR2: 00007f3819927ff8 CR3: 000000010c940000 CR4: 00000000003506a0 [ 44.206940][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.214720][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.222614][ T358] Call Trace: [ 44.225857][ T358] ? show_regs+0x58/0x60 [ 44.229910][ T358] ? __warn+0x160/0x2f0 [ 44.233999][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.239636][ T358] ? report_bug+0x3d9/0x5b0 [ 44.244022][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.249528][ T358] ? handle_bug+0x41/0x70 [ 44.253723][ T358] ? exc_invalid_op+0x1b/0x50 [ 44.258211][ T358] ? asm_exc_invalid_op+0x12/0x20 [ 44.263112][ T358] ? wake_up_klogd+0xb8/0xf0 [ 44.267585][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.273172][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.278690][ T358] sysfs_remove_files+0xa5/0x100 [ 44.283492][ T358] del_gendisk+0x248/0xa90 [ 44.287831][ T358] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.293567][ T358] ? radix_tree_delete_item+0x24d/0x350 [ 44.298943][ T358] loop_remove+0x46/0xb0 [ 44.303116][ T358] loop_control_ioctl+0x564/0x620 [ 44.307956][ T358] ? loop_remove+0xb0/0xb0 [ 44.312317][ T358] ? __fget_files+0x31e/0x380 [ 44.316790][ T358] ? security_file_ioctl+0x84/0xb0 [ 44.321734][ T358] ? loop_remove+0xb0/0xb0 [ 44.326116][ T358] __se_sys_ioctl+0x114/0x190 [ 44.330584][ T358] __x64_sys_ioctl+0x7b/0x90 [ 44.335251][ T358] do_syscall_64+0x34/0x70 [ 44.339450][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.345198][ T358] RIP: 0033:0x7f3819dc6ae9 [ 44.349595][ T358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.369272][ T358] RSP: 002b:00007f38199490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.377584][ T358] RAX: ffffffffffffffda RBX: 00007f3819ee5f80 RCX: 00007f3819dc6ae9 [ 44.385486][ T358] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.393284][ T358] RBP: 00007f3819e1247a R08: 0000000000000000 R09: 0000000000000000 [ 44.401156][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.408996][ T358] R13: 000000000000000b R14: 00007f3819ee5f80 R15: 00007fff8fd4d0a8 [ 44.416810][ T358] ---[ end trace 8cfcf6c8a31a5fb2 ]--- [ 44.422288][ T358] ------------[ cut here ]------------ [ 44.427561][ T358] kernfs: can not remove 'bdi', no directory [ 44.433582][ T358] WARNING: CPU: 1 PID: 358 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x10c/0x160 [ 44.443229][ T358] Modules linked in: [ 44.447030][ T358] CPU: 1 PID: 358 Comm: syz-executor.0 Tainted: G W 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 44.458988][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 44.469043][ T358] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 44.475392][ T358] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 9c ad ff ff 31 db eb 27 e8 b3 60 97 ff 48 c7 c7 40 d2 4a 85 4c 89 e6 e8 d4 ea 6a ff <0f> 0b bb fe ff ff ff eb 12 e8 96 60 97 ff bb fe ff ff ff 4c 89 f7 [ 44.494964][ T358] RSP: 0018:ffffc90000f17c28 EFLAGS: 00010246 [ 44.500837][ T358] RAX: 55215888672b5800 RBX: ffff88810ca1c098 RCX: ffff88810c343b40 [ 44.508950][ T358] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.516865][ T358] RBP: ffffc90000f17c50 R08: ffffffff81521de8 R09: fffff520001e2e99 [ 44.524667][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f7200 [ 44.532534][ T358] R13: 0000000000000000 R14: ffffffff855f7200 R15: 0000000000000000 [ 44.540332][ T358] FS: 00007f38199496c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.549122][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.555751][ T358] CR2: 00007f3819927ff8 CR3: 000000010c940000 CR4: 00000000003506a0 [ 44.563735][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.571620][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.579621][ T358] Call Trace: [ 44.582854][ T358] ? show_regs+0x58/0x60 [ 44.586893][ T358] ? __warn+0x160/0x2f0 [ 44.591048][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.597363][ T358] ? report_bug+0x3d9/0x5b0 [ 44.601699][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.607371][ T358] ? handle_bug+0x41/0x70 [ 44.611498][ T358] ? exc_invalid_op+0x1b/0x50 [ 44.616082][ T358] ? asm_exc_invalid_op+0x12/0x20 [ 44.620882][ T358] ? wake_up_klogd+0xb8/0xf0 [ 44.625352][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.631032][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.636615][ T358] sysfs_remove_link+0x50/0x60 [ 44.641181][ T358] del_gendisk+0x477/0xa90 [ 44.645460][ T358] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.651342][ T358] ? radix_tree_delete_item+0x24d/0x350 [ 44.656755][ T358] loop_remove+0x46/0xb0 [ 44.660795][ T358] loop_control_ioctl+0x564/0x620 [ 44.665692][ T358] ? loop_remove+0xb0/0xb0 [ 44.670037][ T358] ? __fget_files+0x31e/0x380 [ 44.674670][ T358] ? security_file_ioctl+0x84/0xb0 [ 44.679567][ T358] ? loop_remove+0xb0/0xb0 [ 44.683955][ T358] __se_sys_ioctl+0x114/0x190 [ 44.688517][ T358] __x64_sys_ioctl+0x7b/0x90 [ 44.692972][ T358] do_syscall_64+0x34/0x70 [ 44.697201][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.702950][ T358] RIP: 0033:0x7f3819dc6ae9 [ 44.707538][ T358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.727076][ T358] RSP: 002b:00007f38199490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.735403][ T358] RAX: ffffffffffffffda RBX: 00007f3819ee5f80 RCX: 00007f3819dc6ae9 [ 44.743645][ T358] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.751624][ T358] RBP: 00007f3819e1247a R08: 0000000000000000 R09: 0000000000000000 [ 44.759543][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.767418][ T358] R13: 000000000000000b R14: 00007f3819ee5f80 R15: 00007fff8fd4d0a8 [ 44.775234][ T358] ---[ end trace 8cfcf6c8a31a5fb3 ]--- [ 44.781294][ T358] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 44.792994][ T358] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 44.801261][ T358] CPU: 1 PID: 358 Comm: syz-executor.0 Tainted: G W 5.10.218-syzkaller-1002634-g3feee789f446 #0 [ 44.812778][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 44.822683][ T358] RIP: 0010:device_del+0xdf/0xf00 [ 44.827541][ T358] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 2b a0 dd fe 4c 89 7c 24 40 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 0a 0d 00 00 41 0f b6 1f 89 de 83 e6 01 [ 44.847322][ T358] RSP: 0018:ffffc90000f17b80 EFLAGS: 00010202 [ 44.853306][ T358] RAX: 1ffff1102194381a RBX: ffff88810ca1c0d0 RCX: ffffffff84b0c085 [ 44.861209][ T358] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000f17b00 [ 44.869017][ T358] RBP: ffffc90000f17c70 R08: dffffc0000000000 R09: fffff520001e2f61 [ 44.876922][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000001a [ 44.884723][ T358] R13: dffffc0000000000 R14: ffff88810ca1c108 R15: 00000000000000d0 [ 44.892547][ T358] FS: 00007f38199496c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.901311][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.907731][ T358] CR2: 00007f3819927ff8 CR3: 000000010c940000 CR4: 00000000003506a0 [ 44.915537][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.923571][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.931467][ T358] Call Trace: [ 44.934606][ T358] ? __die_body+0x62/0xb0 [ 44.938884][ T358] ? die_addr+0x9f/0xd0 [ 44.943062][ T358] ? exc_general_protection+0x3ff/0x490 [ 44.948434][ T358] ? asm_exc_general_protection+0x1e/0x30 [ 44.953990][ T358] ? mutex_lock+0xa5/0x110 [ 44.958375][ T358] ? device_del+0xdf/0xf00 [ 44.962776][ T358] ? _raw_spin_lock_irqsave+0x210/0x210 [ 44.968187][ T358] ? kill_device+0xd0/0xd0 [ 44.972406][ T358] ? mutex_unlock+0x1c/0x40 [ 44.976763][ T358] del_gendisk+0x88d/0xa90 [ 44.980999][ T358] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.986832][ T358] ? radix_tree_delete_item+0x24d/0x350 [ 44.992209][ T358] loop_remove+0x46/0xb0 [ 44.996282][ T358] loop_control_ioctl+0x564/0x620 [ 45.001140][ T358] ? loop_remove+0xb0/0xb0 [ 45.005393][ T358] ? __fget_files+0x31e/0x380 [ 45.009924][ T358] ? security_file_ioctl+0x84/0xb0 [ 45.014850][ T358] ? loop_remove+0xb0/0xb0 [ 45.019123][ T358] __se_sys_ioctl+0x114/0x190 [ 45.023625][ T358] __x64_sys_ioctl+0x7b/0x90 [ 45.028229][ T358] do_syscall_64+0x34/0x70 [ 45.032568][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 45.038284][ T358] RIP: 0033:0x7f3819dc6ae9 [ 45.042541][ T358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 45.062074][ T358] RSP: 002b:00007f38199490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.070310][ T358] RAX: ffffffffffffffda RBX: 00007f3819ee5f80 RCX: 00007f3819dc6ae9 [ 45.078907][ T358] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.086833][ T358] RBP: 00007f3819e1247a R08: 0000000000000000 R09: 0000000000000000 [ 45.094642][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.102466][ T358] R13: 000000000000000b R14: 00007f3819ee5f80 R15: 00007fff8fd4d0a8 [ 45.110273][ T358] Modules linked in: [ 45.114563][ T358] ---[ end trace 8cfcf6c8a31a5fb4 ]--- [ 45.119855][ T358] RIP: 0010:device_del+0xdf/0xf00 [ 45.124836][ T358] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 2b a0 dd fe 4c 89 7c 24 40 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 0a 0d 00 00 41 0f b6 1f 89 de 83 e6 01 [ 45.144368][ T358] RSP: 0018:ffffc90000f17b80 EFLAGS: 00010202 [ 45.150252][ T358] RAX: 1ffff1102194381a RBX: ffff88810ca1c0d0 RCX: ffffffff84b0c085 [ 45.158278][ T358] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000f17b00 [ 45.166081][ T358] RBP: ffffc90000f17c70 R08: dffffc0000000000 R09: fffff520001e2f61 [ 45.173912][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000001a [ 45.181674][ T358] R13: dffffc0000000000 R14: ffff88810ca1c108 R15: 00000000000000d0 [ 45.189542][ T358] FS: 00007f38199496c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.198280][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.204710][ T358] CR2: 00007fff8fd4d2b8 CR3: 000000010c940000 CR4: 00000000003506b0 [ 45.212711][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.220473][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.228415][ T358] Kernel panic - not syncing: Fatal exception [ 45.235107][ T358] Kernel Offset: disabled [ 45.239420][ T358] Rebooting in 86400 seconds..