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VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVFXbgWAAAAABAmL91FH0bAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPwKAAD//4w3HM8=") r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0x275a, 0x0) r2 = openat$fb1(0xffffffffffffff9c, &(0x7f0000000ac0), 0x40, 0x0) ioctl$FBIOPUT_VSCREENINFO(r2, 0x4601, &(0x7f0000000b00)={0x60, 0x258, 0x0, 0x258, 0xe, 0x5, 0x8, 0x0, {0xf}, {0x5, 0x3, 0x1}, {}, {0x0, 0xd, 0x1}, 0x1, 0x40, 0x2, 0x4, 0x0, 0x7ff, 0x400, 0xfffffff7, 0x2, 0x85, 0x1, 0x4, 0x21, 0x1, 0x3, 0x4}) (async) ioctl$FBIOPUT_VSCREENINFO(r2, 0x4601, &(0x7f0000000b00)={0x60, 0x258, 0x0, 0x258, 0xe, 0x5, 0x8, 0x0, {0xf}, {0x5, 0x3, 0x1}, {}, {0x0, 0xd, 0x1}, 0x1, 0x40, 0x2, 0x4, 0x0, 0x7ff, 0x400, 0xfffffff7, 0x2, 0x85, 0x1, 0x4, 0x21, 0x1, 0x3, 0x4}) write$binfmt_script(r1, &(0x7f0000000180), 0xfea7) (async) write$binfmt_script(r1, &(0x7f0000000180), 0xfea7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff6000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ff8000/0x2000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0) (async) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0) r3 = io_uring_setup(0x56ab, &(0x7f0000000040)={0x0, 0x36d, 0xc000, 0x8, 0x77}) bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x1b, 0x0, 0x0, &(0x7f0000000240)='syzkaller\x00', 0x80000000, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) io_uring_enter(r3, 0x2219, 0x7721, 0x16, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0x275a, 0x0) fallocate(r4, 0x0, 0x7351, 0x8001) (async) fallocate(r4, 0x0, 0x7351, 0x8001) ioctl$FITRIM(r4, 0x40406f06, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x100}) [ 85.545385][ T5316] Bluetooth: hci0: command tx timeout [ 85.861530][ T5339] loop0: detected capacity change from 0 to 32768 [ 85.878219][ T5339] ======================================================= [ 85.878219][ T5339] WARNING: The mand mount option has been deprecated and [ 85.878219][ T5339] and is ignored by this kernel. Remove the mand [ 85.878219][ T5339] option from the mount to silence this warning. [ 85.878219][ T5339] ======================================================= [ 85.982513][ T5339] JBD2: Ignoring recovery information on journal [ 86.028456][ T5339] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 86.139485][ T5339] ================================================================== [ 86.142948][ T5339] BUG: KASAN: slab-use-after-free in ocfs2_fault+0xd3/0x3e0 [ 86.146313][ T5339] Read of size 8 at addr ffff8880116e12d8 by task syz.0.0/5339 [ 86.149618][ T5339] [ 86.150746][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.150761][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.150767][ T5339] Call Trace: [ 86.150774][ T5339] [ 86.150780][ T5339] dump_stack_lvl+0xe8/0x150 [ 86.150796][ T5339] print_report+0xca/0x240 [ 86.150808][ T5339] ? ocfs2_fault+0xd3/0x3e0 [ 86.150817][ T5339] kasan_report+0x118/0x150 [ 86.150829][ T5339] ? ocfs2_fault+0xd3/0x3e0 [ 86.150838][ T5339] ocfs2_fault+0xd3/0x3e0 [ 86.150847][ T5339] ? __pfx_ocfs2_fault+0x10/0x10 [ 86.150855][ T5339] ? css_rstat_updated+0x239/0x520 [ 86.150872][ T5339] __do_fault+0x138/0x390 [ 86.150893][ T5339] do_pte_missing+0x2206/0x3330 [ 86.150910][ T5339] ? handle_mm_fault+0xdb/0x32b0 [ 86.150922][ T5339] handle_mm_fault+0x1b26/0x32b0 [ 86.150934][ T5339] ? __pte_offset_map_lock+0x13e/0x210 [ 86.150949][ T5339] ? handle_mm_fault+0xdb/0x32b0 [ 86.150966][ T5339] ? __pfx_handle_mm_fault+0x10/0x10 [ 86.150978][ T5339] ? follow_page_pte+0x7ef/0x13e0 [ 86.150996][ T5339] ? __pfx_follow_page_pte+0x10/0x10 [ 86.151008][ T5339] __get_user_pages+0x1650/0x29f0 [ 86.151026][ T5339] populate_vma_page_range+0x29f/0x3a0 [ 86.151042][ T5339] ? __pfx_populate_vma_page_range+0x10/0x10 [ 86.151052][ T5339] ? down_read+0x274/0x2e0 [ 86.151194][ T5339] ? __mm_populate+0x160/0x380 [ 86.151204][ T5339] __mm_populate+0x24c/0x380 [ 86.151215][ T5339] ? __pfx___mm_populate+0x10/0x10 [ 86.151227][ T5339] vm_mmap_pgoff+0x387/0x4d0 [ 86.151239][ T5339] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 86.151253][ T5339] ? __fget_files+0x2a/0x420 [ 86.151263][ T5339] ? __fget_files+0x3a0/0x420 [ 86.151276][ T5339] ? __fget_files+0x2a/0x420 [ 86.151287][ T5339] ksys_mmap_pgoff+0x51f/0x760 [ 86.151305][ T5339] do_syscall_64+0xec/0xf80 [ 86.151316][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.151325][ T5339] ? trace_irq_disable+0x37/0x100 [ 86.151337][ T5339] ? clear_bhb_loop+0x60/0xb0 [ 86.151348][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.151355][ T5339] RIP: 0033:0x7fab2d38f7c9 [ 86.151364][ T5339] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 86.151370][ T5339] RSP: 002b:00007fab2e2ac038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 86.151378][ T5339] RAX: ffffffffffffffda RBX: 00007fab2d5e5fa0 RCX: 00007fab2d38f7c9 [ 86.151385][ T5339] RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000200000000000 [ 86.151391][ T5339] RBP: 00007fab2d413f91 R08: 0000000000000004 R09: 0000000000000000 [ 86.151397][ T5339] R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 [ 86.151402][ T5339] R13: 00007fab2d5e6038 R14: 00007fab2d5e5fa0 R15: 00007ffe2b353408 [ 86.151417][ T5339] [ 86.151420][ T5339] [ 86.266298][ T5339] Allocated by task 5339: [ 86.268185][ T5339] kasan_save_track+0x3e/0x80 [ 86.270249][ T5339] __kasan_slab_alloc+0x6c/0x80 [ 86.272296][ T5339] kmem_cache_alloc_noprof+0x37d/0x710 [ 86.274566][ T5339] vm_area_alloc+0x24/0x140 [ 86.276414][ T5339] mmap_region+0xdea/0x1d10 [ 86.278346][ T5339] do_mmap+0xc45/0x10d0 [ 86.280088][ T5339] vm_mmap_pgoff+0x2a6/0x4d0 [ 86.281991][ T5339] ksys_mmap_pgoff+0x51f/0x760 [ 86.283987][ T5339] do_syscall_64+0xec/0xf80 [ 86.285811][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.288307][ T5339] [ 86.289384][ T5339] Freed by task 15: [ 86.291128][ T5339] kasan_save_track+0x3e/0x80 [ 86.293417][ T5339] kasan_save_free_info+0x46/0x50 [ 86.295653][ T5339] __kasan_slab_free+0x5c/0x80 [ 86.297697][ T5339] slab_free_after_rcu_debug+0x125/0x260 [ 86.300122][ T5339] rcu_core+0xc8e/0x1720 [ 86.302045][ T5339] handle_softirqs+0x22b/0x7c0 [ 86.304408][ T5339] run_ksoftirqd+0x36/0x60 [ 86.306343][ T5339] smpboot_thread_fn+0x542/0xa60 [ 86.308612][ T5339] kthread+0x711/0x8a0 [ 86.310343][ T5339] ret_from_fork+0x510/0xa50 [ 86.312376][ T5339] ret_from_fork_asm+0x1a/0x30 [ 86.314419][ T5339] [ 86.315445][ T5339] Last potentially related work creation: [ 86.317778][ T5339] kasan_save_stack+0x3e/0x60 [ 86.319739][ T5339] kasan_record_aux_stack+0xbd/0xd0 [ 86.321953][ T5339] kmem_cache_free+0x475/0x620 [ 86.324011][ T5339] vms_complete_munmap_vmas+0x626/0x8a0 [ 86.326253][ T5339] __mmap_complete+0x7b/0x610 [ 86.328264][ T5339] mmap_region+0x11e3/0x1d10 [ 86.330161][ T5339] do_mmap+0xc45/0x10d0 [ 86.331957][ T5339] vm_mmap_pgoff+0x2a6/0x4d0 [ 86.333915][ T5339] ksys_mmap_pgoff+0x51f/0x760 [ 86.336044][ T5339] do_syscall_64+0xec/0xf80 [ 86.338020][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.340704][ T5339] [ 86.341761][ T5339] The buggy address belongs to the object at ffff8880116e1280 [ 86.341761][ T5339] which belongs to the cache vm_area_struct of size 256 [ 86.347593][ T5339] The buggy address is located 88 bytes inside of [ 86.347593][ T5339] freed 256-byte region [ffff8880116e1280, ffff8880116e1380) [ 86.352892][ T5339] [ 86.353980][ T5339] The buggy address belongs to the physical page: [ 86.356601][ T5339] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116e1 [ 86.360354][ T5339] memcg:ffff88801a19cd01 [ 86.362075][ T5339] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 86.365246][ T5339] page_type: f5(slab) [ 86.366911][ T5339] raw: 00fff00000000000 ffff88801b6d2b40 dead000000000100 dead000000000122 [ 86.370266][ T5339] raw: 0000000000000000 00000000000c000c 00000000f5000000 ffff88801a19cd01 [ 86.373790][ T5339] page dumped because: kasan: bad access detected [ 86.376284][ T5339] page_owner tracks the page as allocated [ 86.378599][ T5339] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4705, tgid 4705 (rcS), ts 29272251865, free_ts 28548091289 [ 86.386800][ T5339] post_alloc_hook+0x234/0x290 [ 86.388927][ T5339] get_page_from_freelist+0x24e0/0x2580 [ 86.391429][ T5339] __alloc_frozen_pages_noprof+0x181/0x370 [ 86.394068][ T5339] alloc_pages_mpol+0x232/0x4a0 [ 86.396277][ T5339] allocate_slab+0x86/0x3b0 [ 86.398293][ T5339] ___slab_alloc+0xe53/0x1820 [ 86.400358][ T5339] __kmem_cache_alloc_bulk+0x1ac/0x4e0 [ 86.402739][ T5339] __pcs_replace_empty_main+0x298/0x560 [ 86.405258][ T5339] kmem_cache_alloc_noprof+0x469/0x710 [ 86.407592][ T5339] vm_area_alloc+0x24/0x140 [ 86.409502][ T5339] mmap_region+0xdea/0x1d10 [ 86.411509][ T5339] do_mmap+0xc45/0x10d0 [ 86.413304][ T5339] vm_mmap_pgoff+0x2a6/0x4d0 [ 86.415166][ T5339] ksys_mmap_pgoff+0x51f/0x760 [ 86.417167][ T5339] do_syscall_64+0xec/0xf80 [ 86.419113][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.421681][ T5339] page last free pid 1 tgid 1 stack trace: [ 86.424569][ T5339] __free_frozen_pages+0xbc8/0xd30 [ 86.426858][ T5339] free_reserved_page+0xce/0x120 [ 86.428915][ T5339] free_reserved_area+0x90/0x190 [ 86.430952][ T5339] free_kernel_image_pages+0xa2/0x100 [ 86.433168][ T5339] kernel_init+0x31/0x1d0 [ 86.435002][ T5339] ret_from_fork+0x510/0xa50 [ 86.436928][ T5339] ret_from_fork_asm+0x1a/0x30 [ 86.438960][ T5339] [ 86.439988][ T5339] Memory state around the buggy address: [ 86.442381][ T5339] ffff8880116e1180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.445927][ T5339] ffff8880116e1200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 86.449316][ T5339] >ffff8880116e1280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 86.452611][ T5339] ^ [ 86.455477][ T5339] ffff8880116e1300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 86.458834][ T5339] ffff8880116e1380: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 86.462060][ T5339] ================================================================== [ 86.508252][ T5339] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 86.511543][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.515340][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.519449][ T5339] Call Trace: [ 86.520900][ T5339] [ 86.522254][ T5339] vpanic+0x1e0/0x670 [ 86.523976][ T5339] panic+0xb9/0xc0 [ 86.525640][ T5339] ? __pfx_panic+0x10/0x10 [ 86.527649][ T5339] ? preempt_schedule_thunk+0x16/0x30 [ 86.529750][ T5339] ? ocfs2_fault+0xd3/0x3e0 [ 86.531702][ T5339] check_panic_on_warn+0x89/0xb0 [ 86.533720][ T5339] ? ocfs2_fault+0xd3/0x3e0 [ 86.535858][ T5339] end_report+0x6f/0x140 [ 86.537577][ T5339] kasan_report+0x129/0x150 [ 86.540016][ T5339] ? ocfs2_fault+0xd3/0x3e0 [ 86.541900][ T5339] ocfs2_fault+0xd3/0x3e0 [ 86.543839][ T5339] ? __pfx_ocfs2_fault+0x10/0x10 [ 86.545951][ T5339] ? css_rstat_updated+0x239/0x520 [ 86.548283][ T5339] __do_fault+0x138/0x390 [ 86.550105][ T5339] do_pte_missing+0x2206/0x3330 [ 86.552150][ T5339] ? handle_mm_fault+0xdb/0x32b0 [ 86.554254][ T5339] handle_mm_fault+0x1b26/0x32b0 [ 86.556353][ T5339] ? __pte_offset_map_lock+0x13e/0x210 [ 86.558693][ T5339] ? handle_mm_fault+0xdb/0x32b0 [ 86.560893][ T5339] ? __pfx_handle_mm_fault+0x10/0x10 [ 86.563178][ T5339] ? follow_page_pte+0x7ef/0x13e0 [ 86.565248][ T5339] ? __pfx_follow_page_pte+0x10/0x10 [ 86.567982][ T5339] __get_user_pages+0x1650/0x29f0 [ 86.570701][ T5339] populate_vma_page_range+0x29f/0x3a0 [ 86.573016][ T5339] ? __pfx_populate_vma_page_range+0x10/0x10 [ 86.575606][ T5339] ? down_read+0x274/0x2e0 [ 86.577435][ T5339] ? __mm_populate+0x160/0x380 [ 86.579392][ T5339] __mm_populate+0x24c/0x380 [ 86.581316][ T5339] ? __pfx___mm_populate+0x10/0x10 [ 86.583434][ T5339] vm_mmap_pgoff+0x387/0x4d0 [ 86.585316][ T5339] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 86.587458][ T5339] ? __fget_files+0x2a/0x420 [ 86.589227][ T5339] ? __fget_files+0x3a0/0x420 [ 86.591223][ T5339] ? __fget_files+0x2a/0x420 [ 86.593171][ T5339] ksys_mmap_pgoff+0x51f/0x760 [ 86.595003][ T5339] do_syscall_64+0xec/0xf80 [ 86.596890][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.599478][ T5339] ? trace_irq_disable+0x37/0x100 [ 86.601446][ T5339] ? clear_bhb_loop+0x60/0xb0 [ 86.603421][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.605865][ T5339] RIP: 0033:0x7fab2d38f7c9 [ 86.607678][ T5339] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 86.615808][ T5339] RSP: 002b:00007fab2e2ac038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 86.619414][ T5339] RAX: ffffffffffffffda RBX: 00007fab2d5e5fa0 RCX: 00007fab2d38f7c9 [ 86.622892][ T5339] RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000200000000000 [ 86.626383][ T5339] RBP: 00007fab2d413f91 R08: 0000000000000004 R09: 0000000000000000 [ 86.629768][ T5339] R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 [ 86.633314][ T5339] R13: 00007fab2d5e6038 R14: 00007fab2d5e5fa0 R15: 00007ffe2b353408 [ 86.636876][ T5339] [ 86.638592][ T5339] Kernel Offset: disabled [ 86.640478][ T5339] Rebooting in 86400 seconds..