program: syz_mount_image$ext4(&(0x7f0000000bc0)='ext4\x00', &(0x7f0000000240)='./file1\x00', 0x4000, &(0x7f0000000000)={[{@bsdgroups}, {@grpquota}, {@init_itable}, {@orlov}, {@nomblk_io_submit}]}, 0xa, 0xbb8, &(0x7f00000017c0)="$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") r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0) ioctl$BLKFLSBUF(r0, 0x1261, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc000, &(0x7f00000006c0), 0x2, 0x246, &(0x7f0000000ac0)="$eJzs3T9oM2UcB/DvXRJf+75BXnURxD8gIloor5vg8rooFKQUEUGFioiL0gq1xa1xcnHQWaWTSxE3q6N0KS6K4FS1Q10ELQ4WBx0iybVS24ja1Jz0Ph+43l3vee73HLnvkyyXBGisq0muJ2klmU7SSVIcb3B3tVw93F2f2l5I+v0nfiqG7ar9ylG/K0l6SR5KslUWeamdrG4+s/fLzmP3vbnSuff9zaenJnqRh/b3dh8/eG/ujY9mH1z94qsf5opcT/dP13X+ihH/axfJLf9Fsf+Jol33CPgn5l/78OtB7m9Ncs8w/52UqV68t5Zv2OrkgXf/qu/bP355+yTHCpy/fr8zeA/s9YHGKZN0U5QzSartspyZqT7Df9O6XL68tPzq9ItLK4sv1D1TAeelm+w++smlj6+cyP/3rSr/wMU1yP+T8xvfDrYPWnWPBpiIO6rVIP/Tz63dH/mHxpF/aC75h+aSf2gu+Yfmkn9oLvmHC6xztNEbeVj+obnkH5pL/qG5jucfAGiW/qW6n0AG6lL3/AMAAAAAAAAAAAAAAAAAAJy2PrW9cLRMquZn7yT7jyRpj6rfGv4ecXLj8O/ln4tBsz8UVbexPHvXmCcY0wc1P31903f11v/8znrrry0mvdeTXGu3T99/xeH9d3Y3/83xzvNjFviXihP7Dz812fon/bZRb/3ZneTTwfxzbdT8U+a24Xr0/NM9/hXLZ/TKr2OeAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgIn5PQAA//8PK23M") lsetxattr$system_posix_acl(&(0x7f0000000400)='.\x00', &(0x7f0000000440)='system.posix_acl_default\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="02000000010000000000000002000000", @ANYRES8=r2, @ANYBLOB="02000000", @ANYRES32=0xee00, @ANYBLOB="02000000", @ANYRES32=0xee00, @ANYBLOB="02000000", @ANYRES32=0x0, @ANYBLOB="040000000000800008000000", @ANYRES32=0x0, @ANYBLOB='\b\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB='\b\x00\x00\x00', @ANYRES32=r0, @ANYBLOB="100000000000000020"], 0x5c, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x0) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) fchmodat(r3, &(0x7f0000000140)='./file1\x00', 0x120) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) close(r4) socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000180)={0x14, 0x2e, 0x1, 0x0, 0x0, "", [@nested={0x4, 0x119}]}, 0x14}], 0x1, 0x0, 0x0, 0x40004}, 0x300) write$binfmt_misc(r2, &(0x7f00000001c0), 0x0) splice(r1, 0x0, r4, 0x0, 0x4ffe6, 0x0) r6 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="e80100002e00010000000000000000000400"], 0x1e8}], 0x1, 0x0, 0x0, 0x84}, 0x300) [ 100.381640][ T5318] Free swap = 123712kB [ 100.383732][ T5318] Total swap = 124996kB [ 100.387295][ T5318] 393083 pages RAM [ 100.389745][ T5318] 0 pages HighMem/MovableOnly [ 100.392329][ T5318] 187351 pages reserved [ 100.394240][ T5318] 0 pages cma reserved [ 100.396425][ T5318] oom-kill:constraint=CONSTRAINT_MEMORY_POLICY,nodemask=0,cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=crond,pid=5089,uid=0 [ 100.402532][ T5318] Out of memory: Killed process 5089 (crond) total-vm:4044kB, anon-rss:184kB, file-rss:20kB, shmem-rss:0kB, UID:0 pgtables:52kB oom_score_adj:0 [ 100.419357][ T5318] Out of memory: Killed process 5098 (getty) total-vm:4044kB, anon-rss:184kB, file-rss:16kB, shmem-rss:0kB, UID:0 pgtables:52kB oom_score_adj:0 [ 100.437514][ T5318] Out of memory: Killed process 4697 (acpid) total-vm:2520kB, anon-rss:0kB, file-rss:4kB, shmem-rss:0kB, UID:0 pgtables:40kB oom_score_adj:0 [ 100.460221][ T5318] syz.0.0 invoked oom-killer: gfp_mask=0x2cc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), order=0, oom_score_adj=1000 [ 100.467495][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 100.467511][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 100.467516][ T5318] Call Trace: [ 100.467520][ T5318] [ 100.467523][ T5318] dump_stack_lvl+0xe8/0x150 [ 100.467541][ T5318] dump_header+0xd3/0x4c0 [ 100.467552][ T5318] out_of_memory+0x1084/0x1410 [ 100.467570][ T5318] ? __pfx_out_of_memory+0x10/0x10 [ 100.467584][ T5318] __alloc_pages_may_oom+0x1ea/0x330 [ 100.467596][ T5318] ? __next_zones_zonelist+0x9d/0x130 [ 100.467608][ T5318] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 100.467618][ T5318] ? unreserve_highatomic_pageblock+0x474/0x610 [ 100.467636][ T5318] __alloc_pages_slowpath+0x6c2/0xd40 [ 100.467659][ T5318] __alloc_frozen_pages_noprof+0x322/0x380 [ 100.467671][ T5318] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 100.467684][ T5318] ? __pfx_policy_nodemask+0x10/0x10 [ 100.467698][ T5318] ? __split_page_owner+0x2d/0x300 [ 100.467718][ T5318] alloc_pages_mpol+0x232/0x4a0 [ 100.467733][ T5318] alloc_pages_noprof+0xa8/0x190 [ 100.467747][ T5318] __vmalloc_node_range_noprof+0xc22/0x1730 [ 100.467774][ T5318] ? __pfx___vmalloc_node_range_noprof+0x10/0x10 [ 100.467790][ T5318] ? __mutex_unlock_slowpath+0x1bd/0x7d0 [ 100.467805][ T5318] ? __pfx___mutex_lock+0x10/0x10 [ 100.467815][ T5318] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 100.467832][ T5318] ? snd_dma_alloc_dir_pages+0x120/0x220 [ 100.467849][ T5318] vmalloc_noprof+0xb2/0xe0 [ 100.467865][ T5318] ? snd_dma_alloc_dir_pages+0x120/0x220 [ 100.467880][ T5318] snd_dma_alloc_dir_pages+0x120/0x220 [ 100.467891][ T5318] do_alloc_pages+0x175/0x2c0 [ 100.467903][ T5318] snd_pcm_lib_malloc_pages+0x33a/0x790 [ 100.467916][ T5318] snd_pcm_hw_params+0x816/0x1d60 [ 100.467933][ T5318] ? lockdep_hardirqs_on+0x7a/0x110 [ 100.467946][ T5318] ? __pfx_snd_pcm_hw_params+0x10/0x10 [ 100.467957][ T5318] ? snd_pcm_hw_param_near+0x365/0x4d0 [ 100.467969][ T5318] ? snd_pcm_drop+0xa5/0x5b0 [ 100.467979][ T5318] ? snd_pcm_kernel_ioctl+0x119/0x9a0 [ 100.467990][ T5318] snd_pcm_oss_change_params_locked+0x201f/0x3e00 [ 100.468009][ T5318] ? __pfx_snd_pcm_oss_change_params_locked+0x10/0x10 [ 100.468016][ T5318] ? ima_file_free+0x170/0x4e0 [ 100.468031][ T5318] ? __pfx_ima_file_free+0x10/0x10 [ 100.468040][ T5318] ? __asan_memset+0x22/0x50 [ 100.468053][ T5318] ? __lock_acquire+0x6b5/0x2cf0 [ 100.468068][ T5318] snd_pcm_oss_sync+0x570/0xfc0 [ 100.468078][ T5318] snd_pcm_oss_release+0xff/0x250 [ 100.468086][ T5318] ? __pfx_snd_pcm_oss_release+0x10/0x10 [ 100.468094][ T5318] __fput+0x44f/0xa70 [ 100.468108][ T5318] task_work_run+0x1d9/0x270 [ 100.468120][ T5318] ? __pfx_task_work_run+0x10/0x10 [ 100.468127][ T5318] ? do_raw_spin_unlock+0x4d/0x210 [ 100.468139][ T5318] do_exit+0x69b/0x2320 [ 100.468149][ T5318] ? kfree+0x1c1/0x630 [ 100.468159][ T5318] ? __pfx_do_exit+0x10/0x10 [ 100.468167][ T5318] ? do_raw_spin_lock+0x12b/0x2f0 [ 100.468178][ T5318] do_group_exit+0x21b/0x2d0 [ 100.468185][ T5318] ? _raw_spin_unlock_irq+0x23/0x50 [ 100.468197][ T5318] get_signal+0x1284/0x1330 [ 100.468213][ T5318] arch_do_signal_or_restart+0xbc/0x830 [ 100.468224][ T5318] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 100.468235][ T5318] ? snd_pcm_oss_post+0x289/0x3d0 [ 100.468246][ T5318] exit_to_user_mode_loop+0x86/0x480 [ 100.468255][ T5318] ? rcu_is_watching+0x15/0xb0 [ 100.468267][ T5318] do_syscall_64+0x32d/0xf80 [ 100.468283][ T5318] ? trace_irq_disable+0x3b/0x150 [ 100.468299][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.468310][ T5318] ? clear_bhb_loop+0x40/0x90 [ 100.468322][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.468332][ T5318] RIP: 0033:0x7f3bebb9c799 [ 100.468343][ T5318] Code: Unable to access opcode bytes at 0x7f3bebb9c76f. [ 100.468348][ T5318] RSP: 002b:00007f3be7ff4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 100.468362][ T5318] RAX: fffffffffffffff4 RBX: 00007f3bebe15fa0 RCX: 00007f3bebb9c799 [ 100.468369][ T5318] RDX: 0000000000000000 RSI: 0000000000005008 RDI: 0000000000000005 [ 100.468376][ T5318] RBP: 00007f3bebc32bd9 R08: 0000000000000000 R09: 0000000000000000 [ 100.468382][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 100.468388][ T5318] R13: 00007f3bebe16038 R14: 00007f3bebe15fa0 R15: 00007ffc22c1d078 [ 100.468401][ T5318] [ 100.468405][ T5318] Mem-Info: [ 100.669814][ T5318] active_anon:1513 inactive_anon:0 isolated_anon:0 [ 100.669814][ T5318] active_file:924 inactive_file:38086 isolated_file:0 [ 100.669814][ T5318] unevictable:1768 dirty:0 writeback:0 [ 100.669814][ T5318] slab_reclaimable:6926 slab_unreclaimable:30534 [ 100.669814][ T5318] mapped:1029 shmem:2178 pagetables:305 [ 100.669814][ T5318] sec_pagetables:289 bounce:0 [ 100.669814][ T5318] kernel_misc_reclaimable:0 [ 100.669814][ T5318] free:46802 free_pcp:414 free_cma:0 [ 100.691296][ T5318] Node 0 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:0kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2560kB pagetables:520kB sec_pagetables:1084kB all_unreclaimable? yes Balloon:0kB [ 100.708632][ T5318] Node 0 DMA free:1928kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 100.721334][ T5318] lowmem_reserve[]: 0 114 114 114 114 [ 100.723811][ T5318] Node 0 DMA32 free:6284kB boost:2048kB min:6460kB low:7560kB high:8660kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:8kB unevictable:0kB writepending:0kB zspages:0kB present:770052kB managed:116756kB mlocked:0kB bounce:0kB free_pcp:1688kB local_pcp:1688kB free_cma:0kB [ 100.737842][ T5318] lowmem_reserve[]: 0 0 0 0 0 [ 100.739985][ T5318] Node 0 DMA: 18*4kB (UM) 8*8kB (UM) 4*16kB (U) 6*32kB (UM) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (M) 0*2048kB 0*4096kB = 1928kB [ 100.746027][ T5318] Node 0 DMA32: 17*4kB (UME) 17*8kB (UME) 6*16kB (UM) 19*32kB (UM) 6*64kB (UM) 5*128kB (UM) 5*256kB (UM) 2*512kB (M) 2*1024kB (UM) 0*2048kB 0*4096kB = 6284kB [ 100.753864][ T5318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 100.758446][ T5318] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 100.763923][ T5318] 41221 total pagecache pages [ 100.766377][ T5318] 34 pages in swap cache [ 100.768732][ T5318] Free swap = 123856kB [ 100.770819][ T5318] Total swap = 124996kB [ 100.772826][ T5318] 393083 pages RAM [ 100.774624][ T5318] 0 pages HighMem/MovableOnly [ 100.778422][ T5318] 187351 pages reserved [ 100.780218][ T5318] 0 pages cma reserved [ 100.781977][ T5318] Out of memory and no killable processes... [ 100.784966][ T5318] Kernel panic - not syncing: System is deadlocked on memory [ 100.789021][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 100.793147][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 100.797584][ T5318] Call Trace: [ 100.799077][ T5318] [ 100.800566][ T5318] vpanic+0x56c/0xa60 [ 100.802688][ T5318] ? __pfx_vprintk_emit+0x10/0x10 [ 100.805480][ T5318] ? __pfx_vpanic+0x10/0x10 [ 100.808020][ T5318] panic+0xc5/0xd0 [ 100.809767][ T5318] ? __pfx_panic+0x10/0x10 [ 100.811972][ T5318] ? dump_stack_lvl+0x103/0x150 [ 100.814116][ T5318] ? dump_header+0x3f5/0x4c0 [ 100.816308][ T5318] out_of_memory+0x1378/0x1410 [ 100.818472][ T5318] ? __pfx_out_of_memory+0x10/0x10 [ 100.820699][ T5318] __alloc_pages_may_oom+0x1ea/0x330 [ 100.823711][ T5318] ? __next_zones_zonelist+0x9d/0x130 [ 100.826432][ T5318] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 100.828929][ T5318] ? unreserve_highatomic_pageblock+0x474/0x610 [ 100.833223][ T5318] __alloc_pages_slowpath+0x6c2/0xd40 [ 100.836500][ T5318] __alloc_frozen_pages_noprof+0x322/0x380 [ 100.839868][ T5318] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 100.843215][ T5318] ? __pfx_policy_nodemask+0x10/0x10 [ 100.845859][ T5318] ? __split_page_owner+0x2d/0x300 [ 100.848160][ T5318] alloc_pages_mpol+0x232/0x4a0 [ 100.850337][ T5318] alloc_pages_noprof+0xa8/0x190 [ 100.852468][ T5318] __vmalloc_node_range_noprof+0xc22/0x1730 [ 100.854648][ T5318] ? __pfx___vmalloc_node_range_noprof+0x10/0x10 [ 100.857266][ T5318] ? __mutex_unlock_slowpath+0x1bd/0x7d0 [ 100.859962][ T5318] ? __pfx___mutex_lock+0x10/0x10 [ 100.862646][ T5318] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 100.866259][ T5318] ? snd_dma_alloc_dir_pages+0x120/0x220 [ 100.868918][ T5318] vmalloc_noprof+0xb2/0xe0 [ 100.870817][ T5318] ? snd_dma_alloc_dir_pages+0x120/0x220 [ 100.873278][ T5318] snd_dma_alloc_dir_pages+0x120/0x220 [ 100.875806][ T5318] do_alloc_pages+0x175/0x2c0 [ 100.878568][ T5318] snd_pcm_lib_malloc_pages+0x33a/0x790 [ 100.880685][ T5318] snd_pcm_hw_params+0x816/0x1d60 [ 100.882821][ T5318] ? lockdep_hardirqs_on+0x7a/0x110 [ 100.885091][ T5318] ? __pfx_snd_pcm_hw_params+0x10/0x10 [ 100.887913][ T5318] ? snd_pcm_hw_param_near+0x365/0x4d0 [ 100.891004][ T5318] ? snd_pcm_drop+0xa5/0x5b0 [ 100.893073][ T5318] ? snd_pcm_kernel_ioctl+0x119/0x9a0 [ 100.895446][ T5318] snd_pcm_oss_change_params_locked+0x201f/0x3e00 [ 100.898028][ T5318] ? __pfx_snd_pcm_oss_change_params_locked+0x10/0x10 [ 100.900970][ T5318] ? ima_file_free+0x170/0x4e0 [ 100.903199][ T5318] ? __pfx_ima_file_free+0x10/0x10 [ 100.905692][ T5318] ? __asan_memset+0x22/0x50 [ 100.908312][ T5318] ? __lock_acquire+0x6b5/0x2cf0 [ 100.911118][ T5318] snd_pcm_oss_sync+0x570/0xfc0 [ 100.913498][ T5318] snd_pcm_oss_release+0xff/0x250 [ 100.915732][ T5318] ? __pfx_snd_pcm_oss_release+0x10/0x10 [ 100.918136][ T5318] __fput+0x44f/0xa70 [ 100.919656][ T5318] task_work_run+0x1d9/0x270 [ 100.921432][ T5318] ? __pfx_task_work_run+0x10/0x10 [ 100.923487][ T5318] ? do_raw_spin_unlock+0x4d/0x210 [ 100.925746][ T5318] do_exit+0x69b/0x2320 [ 100.927901][ T5318] ? kfree+0x1c1/0x630 [ 100.930220][ T5318] ? __pfx_do_exit+0x10/0x10 [ 100.932709][ T5318] ? do_raw_spin_lock+0x12b/0x2f0 [ 100.935096][ T5318] do_group_exit+0x21b/0x2d0 [ 100.937198][ T5318] ? _raw_spin_unlock_irq+0x23/0x50 [ 100.939631][ T5318] get_signal+0x1284/0x1330 [ 100.941473][ T5318] arch_do_signal_or_restart+0xbc/0x830 [ 100.943528][ T5318] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 100.946047][ T5318] ? snd_pcm_oss_post+0x289/0x3d0 [ 100.948336][ T5318] exit_to_user_mode_loop+0x86/0x480 [ 100.951215][ T5318] ? rcu_is_watching+0x15/0xb0 [ 100.953883][ T5318] do_syscall_64+0x32d/0xf80 [ 100.956887][ T5318] ? trace_irq_disable+0x3b/0x150 [ 100.960039][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.962675][ T5318] ? clear_bhb_loop+0x40/0x90 [ 100.964477][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.967181][ T5318] RIP: 0033:0x7f3bebb9c799 [ 100.969124][ T5318] Code: Unable to access opcode bytes at 0x7f3bebb9c76f. [ 100.971987][ T5318] RSP: 002b:00007f3be7ff4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 100.975539][ T5318] RAX: fffffffffffffff4 RBX: 00007f3bebe15fa0 RCX: 00007f3bebb9c799 [ 100.979156][ T5318] RDX: 0000000000000000 RSI: 0000000000005008 RDI: 0000000000000005 [ 100.984254][ T5318] RBP: 00007f3bebc32bd9 R08: 0000000000000000 R09: 0000000000000000 [ 100.987806][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 100.991100][ T5318] R13: 00007f3bebe16038 R14: 00007f3bebe15fa0 R15: 00007ffc22c1d078 [ 100.994629][ T5318] [ 100.996533][ T5318] Kernel Offset: disabled [ 100.998438][ T5318] Rebooting in 86400 seconds.. [ 95.712002][ T5297] Bluetooth: hci0: command tx timeout [ 95.774565][ T1360] cfg80211: failed to load regulatory.db [ 96.061647][ T5318] loop0: detected capacity change from 0 to 4096 [ 96.074083][ T5318] EXT4-fs: Ignoring removed orlov option [ 96.079732][ T5318] EXT4-fs: Ignoring removed nomblk_io_submit option [ 96.105010][ T5318] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 96.263512][ T5319] netlink: 468 bytes leftover after parsing attributes in process `syz.0.0'.