program: syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x8, &(0x7f0000000080), 0x4, 0x4f3, &(0x7f00000012c0)="$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") r1 = creat(&(0x7f00000000c0)='./file1\x00', 0x1) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') ioctl$FS_IOC_FSSETXATTR(r1, 0x40086602, &(0x7f0000000000)={0x20052f9, 0xfffffff8, 0x100802, 0x2, 0x8}) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x1}}, [@NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x401, 0x0, 0x0, {0x1, 0x0, 0x3}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWCHAIN={0x2c, 0x3, 0xa, 0x101, 0x0, 0x0, {0x1}, [@NFTA_CHAIN_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_CHAIN_NAME={0x9, 0x3, 'syz2\x00'}]}, @NFT_MSG_NEWRULE={0x98, 0x6, 0xa, 0x401, 0x0, 0x0, {0x1}, [@NFTA_RULE_CHAIN_ID={0x8}, @NFTA_RULE_EXPRESSIONS={0x70, 0x4, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, @exthdr={{0xb}, @val={0x24, 0x2, 0x0, 0x1, [@NFTA_EXTHDR_DREG={0x8, 0x1, 0x1, 0x0, 0xc}, @NFTA_EXTHDR_OFFSET={0x8, 0x3, 0x1, 0x0, 0x11}, @NFTA_EXTHDR_LEN={0x8, 0x4, 0x1, 0x0, 0x2a}, @NFTA_EXTHDR_TYPE={0x5, 0x2, 0x7}]}}}, {0x38, 0x1, 0x0, 0x1, @bitwise={{0xc}, @val={0x28, 0x2, 0x0, 0x1, [@NFTA_BITWISE_LEN={0x8, 0x3, 0x1, 0x0, 0x2}, @NFTA_BITWISE_SREG={0x8, 0x1, 0x1, 0x0, 0x14}, @NFTA_BITWISE_DREG={0x8, 0x2, 0x1, 0x0, 0x12}, @NFTA_BITWISE_DATA={0x4}, @NFTA_BITWISE_OP={0x8, 0x6, 0x1, 0x0, 0x1}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x7}}}, 0x10c}}, 0x0) accept4$alg(r0, 0x0, 0x0, 0x0) io_setup(0x42, &(0x7f0000000100)=0x0) io_submit(r3, 0x0, 0x0) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, &(0x7f0000412ff8), 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r4 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000080), 0x42202) bpf$PROG_LOAD(0x5, &(0x7f0000000b00)={0x13, 0xf, &(0x7f0000000100)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0xf501d798, 0x0, 0x0, 0x0, 0x7fff}, {}, {}, [], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x40000000}, {0x85, 0x0, 0x0, 0xb1}}}, 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81}, 0x90) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r4, 0xc08c5332, &(0x7f0000000280)={0x0, 0x0, 0x0, 'queue1\x00'}) write$sndseq(r4, &(0x7f0000000000)=[{0x84, 0x77, 0x0, 0x0, @tick, {}, {}, @raw32}], 0xffc8) r5 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000040)={'ip6gretap0\x00', 0x0}) sendmsg$nl_route(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x10002}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0x14, 0x2, 0x0, 0x1, [@IFLA_GRE_ENCAP_DPORT={0x6}, @IFLA_GRE_ENCAP_SPORT={0x6}]}}}]}, 0x48}}, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r8 = syz_open_dev$vim2m(&(0x7f0000000440), 0x8, 0x2) ioctl$vim2m_VIDIOC_REQBUFS(r8, 0xc0145608, &(0x7f00000000c0)={0x3, 0x2, 0x4}) ioctl$vim2m_VIDIOC_EXPBUF(r8, 0xc0405668, &(0x7f0000000100)={0x20, 0x3, 0x2}) connect$unix(r7, &(0x7f000057eff8)=@abs, 0x6e) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x2, &(0x7f0000000000)=0x9, 0x8, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) [ 83.959426][ T4665] Bluetooth: hci0: command tx timeout [ 84.190755][ T5319] loop0: detected capacity change from 0 to 512 [ 84.244043][ T5319] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 84.259794][ T5319] ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 84.663676][ T5319] syz.0.0: page allocation failure: order:0, mode:0x144cca(GFP_HIGHUSER_MOVABLE|__GFP_RETRY_MAYFAIL|__GFP_COMP), nodemask=0,cpuset=/,mems_allowed=0-1 [ 84.671160][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.671183][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.671192][ T5319] Call Trace: [ 84.671198][ T5319] [ 84.671205][ T5319] dump_stack_lvl+0xe8/0x150 [ 84.671302][ T5319] warn_alloc+0x249/0x340 [ 84.671319][ T5319] ? __pfx_warn_alloc+0x10/0x10 [ 84.671363][ T5319] __alloc_pages_slowpath+0xcac/0xd40 [ 84.671393][ T5319] __alloc_frozen_pages_noprof+0x322/0x380 [ 84.671411][ T5319] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 84.671462][ T5319] ? __pfx_policy_nodemask+0x10/0x10 [ 84.671474][ T5319] ? lockdep_hardirqs_on+0x7a/0x110 [ 84.671520][ T5319] ? trace_irq_disable+0x3b/0x150 [ 84.671538][ T5319] alloc_pages_mpol+0x232/0x4a0 [ 84.671555][ T5319] alloc_migration_target_by_mpol+0x2e4/0x5e0 [ 84.671580][ T5319] migrate_pages_batch+0x9e7/0x4d80 [ 84.671610][ T5319] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 84.671629][ T5319] ? unwind_next_frame+0xa5/0x23c0 [ 84.671646][ T5319] ? __pfx_migrate_pages_batch+0x10/0x10 [ 84.671662][ T5319] ? rcu_is_watching+0x15/0xb0 [ 84.671682][ T5319] ? lock_release+0x4b/0x3d0 [ 84.671699][ T5319] ? lock_release+0x4b/0x3d0 [ 84.671717][ T5319] ? is_bpf_text_address+0x292/0x2b0 [ 84.671731][ T5319] ? is_bpf_text_address+0x26/0x2b0 [ 84.671747][ T5319] ? kernel_text_address+0xa5/0xe0 [ 84.671762][ T5319] ? __kernel_text_address+0xd/0x30 [ 84.671775][ T5319] ? unwind_get_return_address+0x4d/0x90 [ 84.671794][ T5319] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 84.671808][ T5319] ? arch_stack_walk+0xfb/0x150 [ 84.671835][ T5319] ? stack_trace_save+0xa9/0x100 [ 84.671849][ T5319] ? __pfx_stack_trace_save+0x10/0x10 [ 84.671868][ T5319] migrate_pages+0x23cb/0x2a70 [ 84.671919][ T5319] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 84.671943][ T5319] ? __pfx_migrate_pages+0x10/0x10 [ 84.671957][ T5319] ? do_raw_write_lock+0x11d/0x260 [ 84.671971][ T5319] ? mpol_set_shared_policy+0xa75/0xc00 [ 84.672003][ T5319] __se_sys_mbind+0xe89/0x10f0 [ 84.672028][ T5319] ? __pfx___se_sys_mbind+0x10/0x10 [ 84.672047][ T5319] ? __se_sys_futex+0x3a8/0x450 [ 84.672070][ T5319] ? rcu_is_watching+0x15/0xb0 [ 84.672089][ T5319] ? __x64_sys_mbind+0x21/0xf0 [ 84.672103][ T5319] do_syscall_64+0x14d/0xf80 [ 84.672208][ T5319] ? trace_irq_disable+0x3b/0x150 [ 84.672224][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.672239][ T5319] ? clear_bhb_loop+0x40/0x90 [ 84.672255][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.672270][ T5319] RIP: 0033:0x7fe54bd9c819 [ 84.672319][ T5319] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 84.672331][ T5319] RSP: 002b:00007fe54cc15fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 84.672347][ T5319] RAX: ffffffffffffffda RBX: 00007fe54c015fa0 RCX: 00007fe54bd9c819 [ 84.672357][ T5319] RDX: 0000000000000002 RSI: 0000000000600000 RDI: 0000200000000000 [ 84.672366][ T5319] RBP: 00007fe54be32c91 R08: 0000000000000008 R09: 0000000000000002 [ 84.672374][ T5319] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000 [ 84.672381][ T5319] R13: 00007fe54c016038 R14: 00007fe54c015fa0 R15: 00007ffc1939e0e8 [ 84.672401][ T5319] [ 84.672594][ T5319] Mem-Info: [ 84.840735][ T5319] active_anon:4691 inactive_anon:0 isolated_anon:1536 [ 84.840735][ T5319] active_file:999 inactive_file:38360 isolated_file:0 [ 84.840735][ T5319] unevictable:1768 dirty:0 writeback:0 [ 84.840735][ T5319] slab_reclaimable:7435 slab_unreclaimable:30831 [ 84.840735][ T5319] mapped:12276 shmem:5160 pagetables:714 [ 84.840735][ T5319] sec_pagetables:291 bounce:0 [ 84.840735][ T5319] kernel_misc_reclaimable:0 [ 84.840735][ T5319] free:31330 free_pcp:101 free_cma:0 [ 84.863613][ T5319] Node 0 active_anon:8kB inactive_anon:0kB active_file:12kB inactive_file:0kB 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:3136kB pagetables:796kB sec_pagetables:1088kB all_unreclaimable? yes Balloon:0kB [ 84.880269][ T5319] Node 0 DMA free:1964kB 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 [ 84.894497][ T5319] lowmem_reserve[]: 0 113 113 113 113 [ 84.898713][ T5319] Node 0 DMA32 free:4380kB boost:0kB min:4408kB low:5508kB high:6608kB reserved_highatomic:0KB free_highatomic:0KB active_anon:8kB inactive_anon:0kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:770052kB managed:116576kB mlocked:0kB bounce:0kB free_pcp:404kB local_pcp:404kB free_cma:0kB [ 84.912521][ T5319] lowmem_reserve[]: 0 0 0 0 0 [ 84.914780][ T5319] Node 0 DMA: 20*4kB (U) 9*8kB (UM) 5*16kB (U) 8*32kB (U) 3*64kB (U) 2*128kB (UM) 0*256kB 0*512kB 1*1024kB (M) 0*2048kB 0*4096kB = 1960kB [ 84.923001][ T5319] Node 0 DMA32: 13*4kB (U) 21*8kB (UM) 10*16kB (UME) 15*32kB (U) 5*64kB (UM) 1*128kB (U) 4*256kB (UME) 0*512kB 2*1024kB (UM) 0*2048kB 0*4096kB = 4380kB [ 84.930417][ T5319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 84.935837][ T5319] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 84.940599][ T5319] 44630 total pagecache pages [ 84.965926][ T5319] 89 pages in swap cache [ 84.967961][ T5319] Free swap = 123748kB [ 84.969794][ T5319] Total swap = 124996kB [ 84.971772][ T5319] 393083 pages RAM [ 84.973743][ T5319] 0 pages HighMem/MovableOnly [ 84.993572][ T5319] 187396 pages reserved [ 84.996926][ T5319] 0 pages cma reserved [ 85.037220][ T5319] ------------[ cut here ]------------ [ 85.040547][ T5319] current->flags & PF_MEMALLOC [ 85.040563][ T5319] WARNING: fs/ext4/inode.c:5676 at ext4_write_inode+0x544/0x620, CPU#0: syz.0.0/5319 [ 85.046824][ T5319] Modules linked in: [ 85.049194][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.054403][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.059736][ T5319] RIP: 0010:ext4_write_inode+0x544/0x620 [ 85.062157][ T5319] Code: 8b 05 a0 4e 94 10 48 3b 44 24 30 75 5a 44 89 e0 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 03 27 2b 09 cc e8 cd d2 3c ff 90 <0f> 0b 90 eb cf e8 c2 d2 3c ff 41 bc fb ff ff ff eb c2 e8 b5 d2 3c [ 85.071804][ T5319] RSP: 0018:ffffc9000f4de380 EFLAGS: 00010283 [ 85.074896][ T5319] RAX: ffffffff8288f1a3 RBX: 0000000000000800 RCX: 0000000000100000 [ 85.078582][ T5319] RDX: ffffc9000ec52000 RSI: 00000000000e97c0 RDI: 00000000000e97c1 [ 85.081886][ T5319] RBP: 0000000000000001 R08: ffffffff9011f1b7 R09: 1ffffffff2023e36 [ 85.085066][ T5319] R10: dffffc0000000000 R11: ffffffff8288ec60 R12: 0000000000000000 [ 85.089553][ T5319] R13: ffffc9000f4de4c0 R14: ffff888047a0f5b8 R15: ffff88801f8da4c0 [ 85.093689][ T5319] FS: 00007fe54cc166c0(0000) GS:ffff88808ca4c000(0000) knlGS:0000000000000000 [ 85.097699][ T5319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.100578][ T5319] CR2: 000055a7e770c168 CR3: 0000000041985000 CR4: 0000000000352ef0 [ 85.103925][ T5319] Call Trace: [ 85.105517][ T5319] [ 85.106906][ T5319] ? do_raw_spin_unlock+0x4d/0x210 [ 85.109710][ T5319] __writeback_single_inode+0x75a/0x11a0 [ 85.112899][ T5319] writeback_single_inode+0x4ac/0xdc0 [ 85.115759][ T5319] write_inode_now+0x1c2/0x290 [ 85.117914][ T5319] ? __pfx_write_inode_now+0x10/0x10 [ 85.120244][ T5319] ? do_raw_spin_unlock+0x4d/0x210 [ 85.122398][ T5319] iput+0x8c1/0xe80 [ 85.124121][ T5319] __dentry_kill+0x1a2/0x5e0 [ 85.126230][ T5319] ? shrink_kill+0x8d/0x2c0 [ 85.128775][ T5319] shrink_kill+0xa9/0x2c0 [ 85.131937][ T5319] shrink_dentry_list+0x2e0/0x5e0 [ 85.134217][ T5319] prune_dcache_sb+0x119/0x180 [ 85.137008][ T5319] ? __pfx_prune_dcache_sb+0x10/0x10 [ 85.139095][ T5319] ? list_lru_count_one+0x27/0x2c0 [ 85.141181][ T5319] ? list_lru_count_one+0x264/0x2c0 [ 85.143818][ T5319] super_cache_scan+0x369/0x4b0 [ 85.146564][ T5319] do_shrink_slab+0x6df/0x1170 [ 85.149188][ T5319] shrink_slab+0x830/0x1150 [ 85.151212][ T5319] ? shrink_slab+0x1ef/0x1150 [ 85.153423][ T5319] ? __pfx_shrink_slab+0x10/0x10 [ 85.155690][ T5319] ? __pfx_try_to_shrink_lruvec+0x10/0x10 [ 85.158253][ T5319] shrink_one+0x2d9/0x710 [ 85.160238][ T5319] ? shrink_node+0x2d6a/0x3a90 [ 85.162714][ T5319] shrink_node+0x3197/0x3a90 [ 85.165454][ T5319] ? shrink_node+0x2d6a/0x3a90 [ 85.168204][ T5319] ? do_raw_spin_unlock+0x4d/0x210 [ 85.170453][ T5319] ? preempt_schedule_notrace_thunk+0x16/0x30 [ 85.173011][ T5319] ? __queue_work+0x1a1/0x1020 [ 85.174961][ T5319] ? __pfx_shrink_node+0x10/0x10 [ 85.177277][ T5319] ? preempt_schedule_notrace_thunk+0x16/0x30 [ 85.180052][ T5319] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.182345][ T5319] ? __next_zones_zonelist+0x9d/0x130 [ 85.184818][ T5319] do_try_to_free_pages+0x6a2/0x1980 [ 85.187865][ T5319] ? __pfx_do_try_to_free_pages+0x10/0x10 [ 85.191090][ T5319] ? __lock_acquire+0x6b5/0x2cf0 [ 85.194530][ T5319] try_to_free_pages+0x8f2/0xe90 [ 85.197523][ T5319] ? __pfx_try_to_free_pages+0x10/0x10 [ 85.200844][ T5319] ? psi_group_change+0xab8/0x1050 [ 85.203151][ T5319] ? fs_reclaim_acquire+0x7c/0x100 [ 85.205623][ T5319] __alloc_pages_direct_reclaim+0x148/0x310 [ 85.208311][ T5319] ? __pfx___alloc_pages_direct_reclaim+0x10/0x10 [ 85.210774][ T5319] ? wake_all_kswapds+0x1e9/0x280 [ 85.213051][ T5319] __alloc_pages_slowpath+0x57d/0xd40 [ 85.216568][ T5319] __alloc_frozen_pages_noprof+0x322/0x380 [ 85.219684][ T5319] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 85.223087][ T5319] ? __pfx_policy_nodemask+0x10/0x10 [ 85.225411][ T5319] ? irqentry_exit+0x59e/0x620 [ 85.227366][ T5319] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.229539][ T5319] ? irqentry_exit+0x59e/0x620 [ 85.231633][ T5319] alloc_pages_mpol+0x232/0x4a0 [ 85.234178][ T5319] alloc_migration_target_by_mpol+0x2e4/0x5e0 [ 85.237826][ T5319] migrate_pages_batch+0x9e7/0x4d80 [ 85.240936][ T5319] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 85.244194][ T5319] ? unwind_next_frame+0xa5/0x23c0 [ 85.246751][ T5319] ? __pfx_migrate_pages_batch+0x10/0x10 [ 85.249155][ T5319] ? rcu_is_watching+0x15/0xb0 [ 85.251175][ T5319] ? lock_release+0x4b/0x3d0 [ 85.253290][ T5319] ? lock_release+0x4b/0x3d0 [ 85.255581][ T5319] ? is_bpf_text_address+0x292/0x2b0 [ 85.258119][ T5319] ? is_bpf_text_address+0x26/0x2b0 [ 85.260457][ T5319] ? kernel_text_address+0xa5/0xe0 [ 85.262895][ T5319] ? __kernel_text_address+0xd/0x30 [ 85.265492][ T5319] ? unwind_get_return_address+0x4d/0x90 [ 85.267916][ T5319] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 85.270843][ T5319] ? arch_stack_walk+0xfb/0x150 [ 85.273359][ T5319] ? stack_trace_save+0xa9/0x100 [ 85.276197][ T5319] ? __pfx_stack_trace_save+0x10/0x10 [ 85.278926][ T5319] migrate_pages+0x23cb/0x2a70 [ 85.281151][ T5319] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 85.284194][ T5319] ? __pfx_migrate_pages+0x10/0x10 [ 85.286511][ T5319] ? do_raw_write_lock+0x11d/0x260 [ 85.288704][ T5319] ? mpol_set_shared_policy+0xa75/0xc00 [ 85.291125][ T5319] __se_sys_mbind+0xe89/0x10f0 [ 85.293632][ T5319] ? __pfx___se_sys_mbind+0x10/0x10 [ 85.296948][ T5319] ? __se_sys_futex+0x3a8/0x450 [ 85.299167][ T5319] ? rcu_is_watching+0x15/0xb0 [ 85.301289][ T5319] ? __x64_sys_mbind+0x21/0xf0 [ 85.303400][ T5319] do_syscall_64+0x14d/0xf80 [ 85.305499][ T5319] ? trace_irq_disable+0x3b/0x150 [ 85.307912][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.310610][ T5319] ? clear_bhb_loop+0x40/0x90 [ 85.313067][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.316657][ T5319] RIP: 0033:0x7fe54bd9c819 [ 85.319194][ T5319] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 85.328159][ T5319] RSP: 002b:00007fe54cc15fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 85.331927][ T5319] RAX: ffffffffffffffda RBX: 00007fe54c015fa0 RCX: 00007fe54bd9c819 [ 85.336769][ T5319] RDX: 0000000000000002 RSI: 0000000000600000 RDI: 0000200000000000 [ 85.341085][ T5319] RBP: 00007fe54be32c91 R08: 0000000000000008 R09: 0000000000000002 [ 85.344710][ T5319] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.348447][ T5319] R13: 00007fe54c016038 R14: 00007fe54c015fa0 R15: 00007ffc1939e0e8 [ 85.351861][ T5319] [ 85.353217][ T5319] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 85.356438][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.361382][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.366097][ T5319] Call Trace: [ 85.367558][ T5319] [ 85.368781][ T5319] vpanic+0x56c/0xa60 [ 85.370505][ T5319] ? __pfx__printk+0x10/0x10 [ 85.372294][ T5319] ? __pfx_vpanic+0x10/0x10 [ 85.374015][ T5319] ? is_bpf_text_address+0x292/0x2b0 [ 85.376425][ T5319] ? is_bpf_text_address+0x26/0x2b0 [ 85.378794][ T5319] panic+0xc5/0xd0 [ 85.381039][ T5319] ? __pfx_panic+0x10/0x10 [ 85.383531][ T5319] __warn+0x315/0x4f0 [ 85.385501][ T5319] ? ext4_write_inode+0x544/0x620 [ 85.387897][ T5319] ? ext4_write_inode+0x544/0x620 [ 85.390060][ T5319] __report_bug+0x29a/0x540 [ 85.392310][ T5319] ? ext4_write_inode+0x544/0x620 [ 85.394491][ T5319] ? __pfx___report_bug+0x10/0x10 [ 85.396668][ T5319] ? __filemap_fdatawait_range+0x220/0x2c0 [ 85.399389][ T5319] ? __lock_acquire+0x6b5/0x2cf0 [ 85.401964][ T5319] ? ext4_write_inode+0x544/0x620 [ 85.404644][ T5319] report_bug+0x16a/0x220 [ 85.406342][ T5319] ? ext4_write_inode+0x544/0x620 [ 85.408311][ T5319] ? ext4_write_inode+0x546/0x620 [ 85.410456][ T5319] handle_bug+0x9c/0x200 [ 85.412330][ T5319] exc_invalid_op+0x1a/0x50 [ 85.414507][ T5319] asm_exc_invalid_op+0x1a/0x20 [ 85.416826][ T5319] RIP: 0010:ext4_write_inode+0x544/0x620 [ 85.419172][ T5319] Code: 8b 05 a0 4e 94 10 48 3b 44 24 30 75 5a 44 89 e0 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 03 27 2b 09 cc e8 cd d2 3c ff 90 <0f> 0b 90 eb cf e8 c2 d2 3c ff 41 bc fb ff ff ff eb c2 e8 b5 d2 3c [ 85.427222][ T5319] RSP: 0018:ffffc9000f4de380 EFLAGS: 00010283 [ 85.429872][ T5319] RAX: ffffffff8288f1a3 RBX: 0000000000000800 RCX: 0000000000100000 [ 85.433423][ T5319] RDX: ffffc9000ec52000 RSI: 00000000000e97c0 RDI: 00000000000e97c1 [ 85.436670][ T5319] RBP: 0000000000000001 R08: ffffffff9011f1b7 R09: 1ffffffff2023e36 [ 85.439994][ T5319] R10: dffffc0000000000 R11: ffffffff8288ec60 R12: 0000000000000000 [ 85.443320][ T5319] R13: ffffc9000f4de4c0 R14: ffff888047a0f5b8 R15: ffff88801f8da4c0 [ 85.447011][ T5319] ? __pfx_ext4_write_inode+0x10/0x10 [ 85.449696][ T5319] ? ext4_write_inode+0x543/0x620 [ 85.452043][ T5319] ? do_raw_spin_unlock+0x4d/0x210 [ 85.454234][ T5319] __writeback_single_inode+0x75a/0x11a0 [ 85.456776][ T5319] writeback_single_inode+0x4ac/0xdc0 [ 85.459103][ T5319] write_inode_now+0x1c2/0x290 [ 85.461467][ T5319] ? __pfx_write_inode_now+0x10/0x10 [ 85.464131][ T5319] ? do_raw_spin_unlock+0x4d/0x210 [ 85.466474][ T5319] iput+0x8c1/0xe80 [ 85.468159][ T5319] __dentry_kill+0x1a2/0x5e0 [ 85.470263][ T5319] ? shrink_kill+0x8d/0x2c0 [ 85.472377][ T5319] shrink_kill+0xa9/0x2c0 [ 85.474411][ T5319] shrink_dentry_list+0x2e0/0x5e0 [ 85.476722][ T5319] prune_dcache_sb+0x119/0x180 [ 85.479348][ T5319] ? __pfx_prune_dcache_sb+0x10/0x10 [ 85.481971][ T5319] ? list_lru_count_one+0x27/0x2c0 [ 85.484166][ T5319] ? list_lru_count_one+0x264/0x2c0 [ 85.486303][ T5319] super_cache_scan+0x369/0x4b0 [ 85.488398][ T5319] do_shrink_slab+0x6df/0x1170 [ 85.490594][ T5319] shrink_slab+0x830/0x1150 [ 85.492972][ T5319] ? shrink_slab+0x1ef/0x1150 [ 85.495825][ T5319] ? __pfx_shrink_slab+0x10/0x10 [ 85.498526][ T5319] ? __pfx_try_to_shrink_lruvec+0x10/0x10 [ 85.501017][ T5319] shrink_one+0x2d9/0x710 [ 85.502824][ T5319] ? shrink_node+0x2d6a/0x3a90 [ 85.504893][ T5319] shrink_node+0x3197/0x3a90 [ 85.506838][ T5319] ? shrink_node+0x2d6a/0x3a90 [ 85.509150][ T5319] ? do_raw_spin_unlock+0x4d/0x210 [ 85.511331][ T5319] ? preempt_schedule_notrace_thunk+0x16/0x30 [ 85.514463][ T5319] ? __queue_work+0x1a1/0x1020 [ 85.516445][ T5319] ? __pfx_shrink_node+0x10/0x10 [ 85.518628][ T5319] ? preempt_schedule_notrace_thunk+0x16/0x30 [ 85.521341][ T5319] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.523745][ T5319] ? __next_zones_zonelist+0x9d/0x130 [ 85.526508][ T5319] do_try_to_free_pages+0x6a2/0x1980 [ 85.528799][ T5319] ? __pfx_do_try_to_free_pages+0x10/0x10 [ 85.530992][ T5319] ? __lock_acquire+0x6b5/0x2cf0 [ 85.533011][ T5319] try_to_free_pages+0x8f2/0xe90 [ 85.535487][ T5319] ? __pfx_try_to_free_pages+0x10/0x10 [ 85.537790][ T5319] ? psi_group_change+0xab8/0x1050 [ 85.540301][ T5319] ? fs_reclaim_acquire+0x7c/0x100 [ 85.542808][ T5319] __alloc_pages_direct_reclaim+0x148/0x310 [ 85.546160][ T5319] ? __pfx___alloc_pages_direct_reclaim+0x10/0x10 [ 85.549063][ T5319] ? wake_all_kswapds+0x1e9/0x280 [ 85.551250][ T5319] __alloc_pages_slowpath+0x57d/0xd40 [ 85.553806][ T5319] __alloc_frozen_pages_noprof+0x322/0x380 [ 85.556653][ T5319] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 85.559550][ T5319] ? __pfx_policy_nodemask+0x10/0x10 [ 85.561871][ T5319] ? irqentry_exit+0x59e/0x620 [ 85.564004][ T5319] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.566363][ T5319] ? irqentry_exit+0x59e/0x620 [ 85.568444][ T5319] alloc_pages_mpol+0x232/0x4a0 [ 85.570630][ T5319] alloc_migration_target_by_mpol+0x2e4/0x5e0 [ 85.573268][ T5319] migrate_pages_batch+0x9e7/0x4d80 [ 85.575669][ T5319] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 85.578595][ T5319] ? unwind_next_frame+0xa5/0x23c0 [ 85.580841][ T5319] ? __pfx_migrate_pages_batch+0x10/0x10 [ 85.583449][ T5319] ? rcu_is_watching+0x15/0xb0 [ 85.585521][ T5319] ? lock_release+0x4b/0x3d0 [ 85.587485][ T5319] ? lock_release+0x4b/0x3d0 [ 85.589474][ T5319] ? is_bpf_text_address+0x292/0x2b0 [ 85.591774][ T5319] ? is_bpf_text_address+0x26/0x2b0 [ 85.593806][ T5319] ? kernel_text_address+0xa5/0xe0 [ 85.596060][ T5319] ? __kernel_text_address+0xd/0x30 [ 85.598116][ T5319] ? unwind_get_return_address+0x4d/0x90 [ 85.600810][ T5319] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 85.604522][ T5319] ? arch_stack_walk+0xfb/0x150 [ 85.607423][ T5319] ? stack_trace_save+0xa9/0x100 [ 85.609521][ T5319] ? __pfx_stack_trace_save+0x10/0x10 [ 85.611842][ T5319] migrate_pages+0x23cb/0x2a70 [ 85.613891][ T5319] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 85.616886][ T5319] ? __pfx_migrate_pages+0x10/0x10 [ 85.619437][ T5319] ? do_raw_write_lock+0x11d/0x260 [ 85.622064][ T5319] ? mpol_set_shared_policy+0xa75/0xc00 [ 85.624809][ T5319] __se_sys_mbind+0xe89/0x10f0 [ 85.626915][ T5319] ? __pfx___se_sys_mbind+0x10/0x10 [ 85.629221][ T5319] ? __se_sys_futex+0x3a8/0x450 [ 85.631479][ T5319] ? rcu_is_watching+0x15/0xb0 [ 85.633799][ T5319] ? __x64_sys_mbind+0x21/0xf0 [ 85.636188][ T5319] do_syscall_64+0x14d/0xf80 [ 85.638356][ T5319] ? trace_irq_disable+0x3b/0x150 [ 85.640669][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.643389][ T5319] ? clear_bhb_loop+0x40/0x90 [ 85.645885][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.649104][ T5319] RIP: 0033:0x7fe54bd9c819 [ 85.651133][ T5319] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 85.659457][ T5319] RSP: 002b:00007fe54cc15fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 85.662975][ T5319] RAX: ffffffffffffffda RBX: 00007fe54c015fa0 RCX: 00007fe54bd9c819 [ 85.666385][ T5319] RDX: 0000000000000002 RSI: 0000000000600000 RDI: 0000200000000000 [ 85.669785][ T5319] RBP: 00007fe54be32c91 R08: 0000000000000008 R09: 0000000000000002 [ 85.673113][ T5319] R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.676679][ T5319] R13: 00007fe54c016038 R14: 00007fe54c015fa0 R15: 00007ffc1939e0e8 [ 85.680551][ T5319] [ 85.682352][ T5319] Kernel Offset: disabled [ 85.684206][ T5319] Rebooting in 86400 seconds..