[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.60' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 991.058373][ T6573] loop0: detected capacity change from 0 to 272 [ 991.068565][ T6574] loop3: detected capacity change from 0 to 272 [ 991.072885][ T6578] loop4: detected capacity change from 0 to 272 [ 991.086361][ T6580] loop2: detected capacity change from 0 to 272 [ 991.090979][ T6587] loop5: detected capacity change from 0 to 272 [ 991.095993][ T6585] loop1: detected capacity change from 0 to 272 [ 991.132174][ T6594] syz-executor532: attempt to access beyond end of device [ 991.132174][ T6594] loop0: rw=0, want=7928285326, limit=272 [ 991.140747][ T6595] syz-executor532: attempt to access beyond end of device [ 991.140747][ T6595] loop1: rw=0, want=7928285326, limit=272 [ 991.145518][ T6594] Buffer I/O error on dev loop0, logical block 3964142662, async page read [ 991.157827][ T6595] Buffer I/O error on dev loop1, logical block 3964142662, async page read [ 991.166618][ T6594] syz-executor532: attempt to access beyond end of device [ 991.166618][ T6594] loop0: rw=0, want=4765057202, limit=272 [ 991.175291][ T6595] syz-executor532: attempt to access beyond end of device [ 991.175291][ T6595] loop1: rw=0, want=4765057202, limit=272 [ 991.187942][ T6594] Buffer I/O error on dev loop0, logical block 2382528600, async page read [ 991.200825][ T6595] Buffer I/O error on dev loop1, logical block 2382528600, async page read [ 991.209439][ T6594] syz-executor532: attempt to access beyond end of device [ 991.209439][ T6594] loop0: rw=0, want=1874751128, limit=272 [ 991.218027][ T6595] syz-executor532: attempt to access beyond end of device [ 991.218027][ T6595] loop1: rw=0, want=1874751128, limit=272 [ 991.230713][ T6594] Buffer I/O error on dev loop0, logical block 937375563, async page read [ 991.243384][ T6595] Buffer I/O error on dev loop1, logical block 937375563, async page read [ 991.252026][ T6594] syz-executor532: attempt to access beyond end of device [ 991.252026][ T6594] loop0: rw=0, want=8230357392, limit=272 [ 991.260880][ T6595] syz-executor532: attempt to access beyond end of device [ 991.260880][ T6595] loop1: rw=0, want=8230357392, limit=272 [ 991.273496][ T6594] Buffer I/O error on dev loop0, logical block 4115178695, async page read [ 991.286227][ T6595] Buffer I/O error on dev loop1, logical block 4115178695, async page read [ 991.297337][ T6594] syz-executor532: attempt to access beyond end of device [ 991.297337][ T6594] loop0: rw=0, want=7301738356, limit=272 [ 991.304035][ T6595] syz-executor532: attempt to access beyond end of device [ 991.304035][ T6595] loop1: rw=0, want=7301738356, limit=272 [ 991.316441][ T6594] Buffer I/O error on dev loop0, logical block 3650869177, async page read [ 991.329253][ T6595] Buffer I/O error on dev loop1, logical block 3650869177, async page read executing program [ 1067.209258][ T6601] loop5: detected capacity change from 0 to 272 executing program executing program executing program executing program [ 1067.546384][ T6617] loop2: detected capacity change from 0 to 272 [ 1067.550323][ T6624] loop5: detected capacity change from 0 to 272 [ 1067.555603][ T6622] loop3: detected capacity change from 0 to 272 [ 1067.562509][ T6623] loop4: detected capacity change from 0 to 272 [ 1067.593528][ T6634] handle_bad_sector: 4 callbacks suppressed [ 1067.593546][ T6634] syz-executor532: attempt to access beyond end of device [ 1067.593546][ T6634] loop2: rw=0, want=7928285326, limit=272 [ 1067.612384][ T6634] buffer_io_error: 4 callbacks suppressed [ 1067.612399][ T6634] Buffer I/O error on dev loop2, logical block 3964142662, async page read [ 1067.626836][ T6634] syz-executor532: attempt to access beyond end of device [ 1067.626836][ T6634] loop2: rw=0, want=4765057202, limit=272 [ 1067.639620][ T6634] Buffer I/O error on dev loop2, logical block 2382528600, async page read [ 1067.639730][ T6637] syz-executor532: attempt to access beyond end of device [ 1067.639730][ T6637] loop4: rw=0, want=7928285326, limit=272 [ 1067.648286][ T6634] syz-executor532: attempt to access beyond end of device [ 1067.648286][ T6634] loop2: rw=0, want=1874751128, limit=272 [ 1067.661535][ T6637] Buffer I/O error on dev loop4, logical block 3964142662, async page read [ 1067.674195][ T6634] Buffer I/O error on dev loop2, logical block 937375563, async page read [ 1067.682854][ T6637] syz-executor532: attempt to access beyond end of device [ 1067.682854][ T6637] loop4: rw=0, want=4765057202, limit=272 [ 1067.691312][ T6634] syz-executor532: attempt to access beyond end of device [ 1067.691312][ T6634] loop2: rw=0, want=8230357392, limit=272 [ 1067.703944][ T6637] Buffer I/O error on dev loop4, logical block 2382528600, async page read [ 1067.716917][ T6634] Buffer I/O error on dev loop2, logical block 4115178695, async page read [ 1067.725541][ T6637] syz-executor532: attempt to access beyond end of device [ 1067.725541][ T6637] loop4: rw=0, want=1874751128, limit=272 [ 1067.734528][ T6634] syz-executor532: attempt to access beyond end of device [ 1067.734528][ T6634] loop2: rw=0, want=7301738356, limit=272 [ 1067.746902][ T6637] Buffer I/O error on dev loop4, logical block 937375563, async page read [ 1067.759593][ T6634] Buffer I/O error on dev loop2, logical block 3650869177, async page read [ 1067.768142][ T6637] syz-executor532: attempt to access beyond end of device [ 1067.768142][ T6637] loop4: rw=0, want=8230357392, limit=272 [ 1067.776698][ T6634] syz-executor532: attempt to access beyond end of device [ 1067.776698][ T6634] loop2: rw=0, want=1639251110, limit=272 [ 1067.789374][ T6637] Buffer I/O error on dev loop4, logical block 4115178695, async page read [ 1067.789619][ T6637] Buffer I/O error on dev loop4, logical block 3650869177, async page read executing program [ 1231.858697][ T6654] loop0: detected capacity change from 0 to 272 [ 1231.917220][ T6658] handle_bad_sector: 18 callbacks suppressed [ 1231.917240][ T6658] syz-executor532: attempt to access beyond end of device [ 1231.917240][ T6658] loop0: rw=0, want=7928285326, limit=272 [ 1231.937130][ T6658] buffer_io_error: 18 callbacks suppressed [ 1231.937148][ T6658] Buffer I/O error on dev loop0, logical block 3964142662, async page read [ 1231.951722][ T6658] syz-executor532: attempt to access beyond end of device [ 1231.951722][ T6658] loop0: rw=0, want=4765057202, limit=272 [ 1231.964496][ T6658] Buffer I/O error on dev loop0, logical block 2382528600, async page read [ 1231.973217][ T6658] syz-executor532: attempt to access beyond end of device [ 1231.973217][ T6658] loop0: rw=0, want=1874751128, limit=272 [ 1231.986030][ T6658] Buffer I/O error on dev loop0, logical block 937375563, async page read [ 1231.994652][ T6658] syz-executor532: attempt to access beyond end of device [ 1231.994652][ T6658] loop0: rw=0, want=8230357392, limit=272 [ 1232.007488][ T6658] Buffer I/O error on dev loop0, logical block 4115178695, async page read [ 1232.016377][ T6658] syz-executor532: attempt to access beyond end of device [ 1232.016377][ T6658] loop0: rw=0, want=7301738356, limit=272 [ 1232.029181][ T6658] Buffer I/O error on dev loop0, logical block 3650869177, async page read [ 1232.037895][ T6658] syz-executor532: attempt to access beyond end of device [ 1232.037895][ T6658] loop0: rw=0, want=1639251110, limit=272 [ 1232.050742][ T6658] Buffer I/O error on dev loop0, logical block 819625554, async page read [ 1232.059297][ T6658] syz-executor532: attempt to access beyond end of device [ 1232.059297][ T6658] loop0: rw=0, want=1115760466, limit=272 [ 1232.072037][ T6658] Buffer I/O error on dev loop0, logical block 557880232, async page read executing program [ 1245.311439][ T6666] loop1: detected capacity change from 0 to 272 [ 1245.356866][ T6669] syz-executor532: attempt to access beyond end of device [ 1245.356866][ T6669] loop1: rw=0, want=7928285326, limit=272 [ 1245.369940][ T6669] Buffer I/O error on dev loop1, logical block 3964142662, async page read [ 1245.378587][ T6669] syz-executor532: attempt to access beyond end of device [ 1245.378587][ T6669] loop1: rw=0, want=4765057202, limit=272 [ 1245.391464][ T6669] Buffer I/O error on dev loop1, logical block 2382528600, async page read [ 1245.400249][ T6669] syz-executor532: attempt to access beyond end of device [ 1245.400249][ T6669] loop1: rw=0, want=1874751128, limit=272 [ 1245.413101][ T6669] Buffer I/O error on dev loop1, logical block 937375563, async page read [ 1245.421798][ T6669] syz-executor532: attempt to access beyond end of device [ 1245.421798][ T6669] loop1: rw=0, want=8230357392, limit=272 [ 1245.434624][ T6669] Buffer I/O error on dev loop1, logical block 4115178695, async page read [ 1245.443592][ T6669] syz-executor532: attempt to access beyond end of device [ 1245.443592][ T6669] loop1: rw=0, want=7301738356, limit=272 [ 1245.456378][ T6669] Buffer I/O error on dev loop1, logical block 3650869177, async page read [ 1245.465194][ T6669] syz-executor532: attempt to access beyond end of device [ 1245.465194][ T6669] loop1: rw=0, want=1639251110, limit=272 [ 1245.477951][ T6669] Buffer I/O error on dev loop1, logical block 819625554, async page read [ 1245.486708][ T6669] syz-executor532: attempt to access beyond end of device [ 1245.486708][ T6669] loop1: rw=0, want=1115760466, limit=272 [ 1245.499562][ T6669] Buffer I/O error on dev loop1, logical block 557880232, async page read [ 1351.037280][ T27] INFO: task syz-executor532:6634 can't die for more than 142 seconds. [ 1351.045755][ T27] task:syz-executor532 state:R running task stack:24600 pid: 6634 ppid: 6566 flags:0x00004006 [ 1351.056668][ T27] Call Trace: [ 1351.060035][ T27] [ 1351.062986][ T27] __schedule+0x940/0x26f0 [ 1351.067589][ T27] ? io_schedule_timeout+0x140/0x140 [ 1351.072989][ T27] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 1351.078817][ T27] ? __cond_resched+0x13/0x20 [ 1351.083646][ T27] preempt_schedule_common+0x45/0xc0 [ 1351.088955][ T27] __cond_resched+0x13/0x20 [ 1351.093562][ T27] __alloc_pages_slowpath.constprop.0+0x9c7/0x2290 [ 1351.100209][ T27] ? get_page_from_freelist+0x3c4/0x2f50 [ 1351.105892][ T27] ? warn_alloc+0x120/0x120 [ 1351.110488][ T27] ? __zone_watermark_ok+0x450/0x450 [ 1351.115809][ T27] ? prepare_alloc_pages+0x17b/0x580 [ 1351.121169][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1351.127573][ T27] __alloc_pages+0x412/0x500 [ 1351.132360][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1351.138771][ T27] ? __alloc_pages_slowpath.constprop.0+0x2290/0x2290 [ 1351.145669][ T27] alloc_pages+0x1a7/0x300 [ 1351.150256][ T27] folio_alloc+0x1c/0x70 [ 1351.154517][ T27] do_read_cache_page+0x7c9/0x11a0 [ 1351.159703][ T27] ? read_cache_page+0x18/0x70 [ 1351.164630][ T27] minix_find_entry+0x203/0x7e0 [ 1351.169569][ T27] ? __lock_acquire+0x162f/0x54a0 [ 1351.174773][ T27] minix_inode_by_name+0x6d/0x460 [ 1351.179862][ T27] ? minix_dotdot+0x190/0x190 [ 1351.184669][ T27] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1351.190310][ T27] minix_lookup+0x103/0x190 [ 1351.194841][ T27] __lookup_slow+0x24c/0x480 [ 1351.199510][ T27] ? page_put_link+0x220/0x220 [ 1351.204397][ T27] ? ZSTD_compressBlock_lazy_extDict.cold+0x687/0x1309 [ 1351.211361][ T27] ? ZSTD_compressBlock_lazy_extDict.cold+0x687/0x1309 [ 1351.218233][ T27] ? make_kuid+0x1e/0x30 [ 1351.222630][ T27] walk_component+0x40f/0x6a0 [ 1351.227341][ T27] ? handle_dots.part.0+0x15e0/0x15e0 [ 1351.232795][ T27] ? walk_component+0x6a0/0x6a0 [ 1351.237679][ T27] path_lookupat+0x1bb/0x860 [ 1351.242357][ T27] filename_lookup+0x1c6/0x590 [ 1351.247229][ T27] ? may_linkat+0x2d0/0x2d0 [ 1351.251818][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1351.258084][ T27] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 1351.263869][ T27] ? __check_object_size+0x16e/0x3f0 [ 1351.269616][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1351.275959][ T27] ? strncpy_from_user+0x2a0/0x3e0 [ 1351.281254][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1351.287519][ T27] ? getname_flags.part.0+0x1dd/0x4f0 [ 1351.293035][ T27] user_path_at_empty+0x42/0x60 [ 1351.297991][ T27] __x64_sys_chdir+0xb7/0x260 [ 1351.302771][ T27] ? __ia32_sys_access+0x80/0x80 [ 1351.307729][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1351.313801][ T27] do_syscall_64+0x35/0xb0 [ 1351.318236][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1351.324294][ T27] RIP: 0033:0x7fbf318eec29 [ 1351.328845][ T27] RSP: 002b:00007fbf3187a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 [ 1351.337445][ T27] RAX: ffffffffffffffda RBX: 00007fbf319734b0 RCX: 00007fbf318eec29 [ 1351.345622][ T27] RDX: 00007fbf3187a700 RSI: 19cc808b8e0b854c RDI: 0000000020000040 [ 1351.353665][ T27] RBP: 00007fbf319400b0 R08: 00007fbf3187a700 R09: 0000000000000000 [ 1351.361699][ T27] R10: 00007fbf3187a700 R11: 0000000000000246 R12: 0000000020002480 [ 1351.369784][ T27] R13: 0030656c69662f2e R14: 000000807fffffff R15: 00007fbf319734b8 [ 1351.377793][ T27] [ 1352.456129][ T27] INFO: task syz-executor532:6650 can't die for more than 143 seconds. [ 1352.464441][ T27] task:syz-executor532 state:R running task stack:24600 pid: 6650 ppid: 6567 flags:0x00004006 [ 1352.475364][ T27] Call Trace: [ 1352.478655][ T27] [ 1352.481669][ T27] __schedule+0x940/0x26f0 [ 1352.486118][ T27] ? io_schedule_timeout+0x140/0x140 [ 1352.491468][ T27] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 1352.497214][ T27] ? __cond_resched+0x13/0x20 [ 1352.501952][ T27] preempt_schedule_common+0x45/0xc0 [ 1352.507258][ T27] __cond_resched+0x13/0x20 [ 1352.511823][ T27] __alloc_pages_slowpath.constprop.0+0x9c7/0x2290 [ 1352.518346][ T27] ? get_page_from_freelist+0x3c4/0x2f50 [ 1352.524059][ T27] ? warn_alloc+0x120/0x120 [ 1352.528592][ T27] ? __zone_watermark_ok+0x450/0x450 [ 1352.534030][ T27] ? prepare_alloc_pages+0x17b/0x580 [ 1352.539327][ T27] ? mark_lock+0xef/0x17b0 [ 1352.543821][ T27] __alloc_pages+0x412/0x500 [ 1352.548428][ T27] ? __alloc_pages_slowpath.constprop.0+0x2290/0x2290 [ 1352.555270][ T27] ? ___slab_alloc+0x2b3/0x1040 [ 1352.560280][ T27] alloc_pages+0x1a7/0x300 [ 1352.564723][ T27] new_slab+0x32d/0x4a0 [ 1352.568898][ T27] ___slab_alloc+0x947/0x1040 [ 1352.573656][ T27] ? alloc_buffer_head+0x20/0x140 [ 1352.578788][ T27] ? fs_reclaim_acquire+0xb2/0x160 [ 1352.584092][ T27] ? alloc_buffer_head+0x20/0x140 [ 1352.589142][ T27] ? __slab_alloc.constprop.0+0x4d/0xa0 [ 1352.594911][ T27] __slab_alloc.constprop.0+0x4d/0xa0 [ 1352.600407][ T27] ? alloc_buffer_head+0x20/0x140 [ 1352.605454][ T27] kmem_cache_alloc+0x365/0x390 [ 1352.610375][ T27] alloc_buffer_head+0x20/0x140 [ 1352.615763][ T27] alloc_page_buffers+0x268/0x5f0 [ 1352.620879][ T27] create_empty_buffers+0x2c/0x800 [ 1352.626030][ T27] create_page_buffers+0x2b2/0x3c0 [ 1352.631262][ T27] block_read_full_page+0xbd/0xda0 [ 1352.636399][ T27] ? minix_rename+0x8d0/0x8d0 [ 1352.641154][ T27] ? filemap_add_folio+0x138/0x1d0 [ 1352.646289][ T27] ? add_to_page_cache_locked+0x90/0x90 [ 1352.651917][ T27] ? alloc_pages+0x1af/0x300 [ 1352.656528][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1352.662948][ T27] ? folio_alloc+0x1c/0x70 [ 1352.667387][ T27] do_read_cache_page+0x829/0x11a0 [ 1352.672608][ T27] minix_find_entry+0x203/0x7e0 [ 1352.677484][ T27] ? __lock_acquire+0x162f/0x54a0 [ 1352.682596][ T27] minix_inode_by_name+0x6d/0x460 [ 1352.687651][ T27] ? minix_dotdot+0x190/0x190 [ 1352.692392][ T27] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1352.697876][ T27] minix_lookup+0x103/0x190 [ 1352.702455][ T27] __lookup_slow+0x24c/0x480 [ 1352.707069][ T27] ? page_put_link+0x220/0x220 [ 1352.711908][ T27] ? ZSTD_compressBlock_lazy_extDict.cold+0x687/0x1309 [ 1352.718786][ T27] ? ZSTD_compressBlock_lazy_extDict.cold+0x687/0x1309 [ 1352.725721][ T27] ? make_kuid+0x1e/0x30 [ 1352.730041][ T27] walk_component+0x40f/0x6a0 [ 1352.734750][ T27] ? handle_dots.part.0+0x15e0/0x15e0 [ 1352.740209][ T27] ? walk_component+0x6a0/0x6a0 [ 1352.745092][ T27] path_lookupat+0x1bb/0x860 [ 1352.749749][ T27] filename_lookup+0x1c6/0x590 [ 1352.754524][ T27] ? may_linkat+0x2d0/0x2d0 [ 1352.759043][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1352.765359][ T27] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 1352.771197][ T27] ? __check_object_size+0x16e/0x3f0 [ 1352.776509][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1352.782831][ T27] ? strncpy_from_user+0x2a0/0x3e0 [ 1352.787968][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1352.794274][ T27] ? getname_flags.part.0+0x1dd/0x4f0 [ 1352.799721][ T27] user_path_at_empty+0x42/0x60 [ 1352.804590][ T27] __x64_sys_chdir+0xb7/0x260 [ 1352.809511][ T27] ? __ia32_sys_access+0x80/0x80 [ 1352.814550][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1352.820519][ T27] do_syscall_64+0x35/0xb0 [ 1352.824947][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1352.830917][ T27] RIP: 0033:0x7fbf318eec29 [ 1352.835353][ T27] RSP: 002b:00007fbf3187a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 [ 1352.843874][ T27] RAX: ffffffffffffffda RBX: 00007fbf319734b0 RCX: 00007fbf318eec29 [ 1352.851913][ T27] RDX: 00007fbf3187a700 RSI: 19cc808b8e0b854c RDI: 0000000020000040 [ 1352.859946][ T27] RBP: 00007fbf319400b0 R08: 00007fbf3187a700 R09: 0000000000000000 [ 1352.867929][ T27] R10: 00007fbf3187a700 R11: 0000000000000246 R12: 0000000020002480 [ 1352.876078][ T27] R13: 0030656c69662f2e R14: 000000807fffffff R15: 00007fbf319734b8 [ 1352.884130][ T27] [ 1354.349517][ T27] INFO: task syz-executor532:6638 can't die for more than 145 seconds. [ 1354.357800][ T27] task:syz-executor532 state:R running task stack:24600 pid: 6638 ppid: 6569 flags:0x0000400e [ 1354.368715][ T27] Call Trace: [ 1354.372048][ T27] [ 1354.374985][ T27] ? mark_lock+0xef/0x17b0 [ 1354.379420][ T27] ? free_unref_page_list+0x7c8/0xfa0 [ 1354.384851][ T27] ? mark_lock+0xef/0x17b0 [ 1354.389280][ T27] ? mark_lock+0xef/0x17b0 [ 1354.393771][ T27] ? lock_chain_count+0x20/0x20 [ 1354.398650][ T27] ? lock_chain_count+0x20/0x20 [ 1354.403551][ T27] ? mark_lock+0xef/0x17b0 [ 1354.407984][ T27] ? lock_chain_count+0x20/0x20 [ 1354.412911][ T27] ? __lock_acquire+0xbc2/0x54a0 [ 1354.417881][ T27] ? mark_lock+0xef/0x17b0 [ 1354.422348][ T27] ? lock_chain_count+0x20/0x20 [ 1354.427216][ T27] ? mark_lock+0xef/0x17b0 [ 1354.431723][ T27] ? mark_lock+0xef/0x17b0 [ 1354.436152][ T27] ? mark_lock+0xef/0x17b0 [ 1354.440639][ T27] ? deref_stack_reg+0xee/0x150 [ 1354.445665][ T27] ? lock_chain_count+0x20/0x20 [ 1354.450617][ T27] ? unwind_next_frame+0xee1/0x1ce0 [ 1354.455854][ T27] ? arch_stack_walk+0x5c/0xe0 [ 1354.460835][ T27] ? deref_stack_reg+0xee/0x150 [ 1354.465717][ T27] ? lock_chain_count+0x20/0x20 [ 1354.470641][ T27] ? minix_find_entry+0x203/0x7e0 [ 1354.475691][ T27] ? deref_stack_reg+0x150/0x150 [ 1354.480856][ T27] ? mark_lock+0xef/0x17b0 [ 1354.485440][ T27] ? deref_stack_reg+0xee/0x150 [ 1354.490417][ T27] ? unwind_next_frame+0xee1/0x1ce0 [ 1354.495646][ T27] ? arch_stack_walk+0x5c/0xe0 [ 1354.500507][ T27] ? deref_stack_reg+0xee/0x150 [ 1354.505413][ T27] ? unwind_next_frame+0xee1/0x1ce0 [ 1354.510744][ T27] ? minix_find_entry+0x203/0x7e0 [ 1354.515807][ T27] ? deref_stack_reg+0x150/0x150 [ 1354.520843][ T27] ? minix_inode_by_name+0x6d/0x460 [ 1354.526098][ T27] ? kernel_text_address+0xd/0x80 [ 1354.531331][ T27] ? __kernel_text_address+0x9/0x30 [ 1354.536558][ T27] ? unwind_get_return_address+0x51/0x90 [ 1354.542250][ T27] ? create_prof_cpu_mask+0x20/0x20 [ 1354.547538][ T27] ? arch_stack_walk+0x6d/0xe0 [ 1354.552408][ T27] ? minix_inode_by_name+0x6d/0x460 [ 1354.557645][ T27] ? stack_trace_save+0x8c/0xc0 [ 1354.562580][ T27] ? filter_irq_stacks+0x90/0x90 [ 1354.567545][ T27] ? mark_lock+0xef/0x17b0 [ 1354.572042][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1354.578303][ T27] ? save_stack+0xbb/0x1e0 [ 1354.582779][ T27] ? register_early_stack+0xb0/0xb0 [ 1354.587990][ T27] ? lock_chain_count+0x20/0x20 [ 1354.592923][ T27] ? mark_lock+0xef/0x17b0 [ 1354.597420][ T27] ? alloc_buffer_head+0x20/0x140 [ 1354.602494][ T27] ? alloc_page_buffers+0x268/0x5f0 [ 1354.607708][ T27] ? create_empty_buffers+0x2c/0x800 [ 1354.613087][ T27] ? lock_chain_count+0x20/0x20 [ 1354.617971][ T27] ? lock_chain_count+0x20/0x20 [ 1354.622881][ T27] ? kvm_sched_clock_read+0x14/0x40 [ 1354.628100][ T27] ? sched_clock_cpu+0x15/0x1f0 [ 1354.633139][ T27] ? mark_lock+0xef/0x17b0 [ 1354.637570][ T27] ? deref_stack_reg+0xee/0x150 [ 1354.642505][ T27] ? unwind_next_frame+0xee1/0x1ce0 [ 1354.647730][ T27] ? __lock_acquire+0xbc2/0x54a0 [ 1354.652750][ T27] ? br_cfm_parse+0xd2f/0x1380 [ 1354.657613][ T27] ? mark_lock+0xef/0x17b0 [ 1354.662089][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1354.668085][ T27] ? __kernel_text_address+0x9/0x30 [ 1354.673399][ T27] ? lock_chain_count+0x20/0x20 [ 1354.678276][ T27] ? find_held_lock+0x2d/0x110 [ 1354.683090][ T27] ? is_bpf_text_address+0x77/0x170 [ 1354.688370][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1354.693295][ T27] ? __lock_acquire+0x162f/0x54a0 [ 1354.698348][ T27] ? __update_load_avg_se+0x41e/0xf00 [ 1354.703844][ T27] ? arch_stack_walk+0x93/0xe0 [ 1354.708633][ T27] ? find_held_lock+0x2d/0x110 [ 1354.713471][ T27] ? __schedule+0x8e6/0x26f0 [ 1354.718072][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1354.722986][ T27] ? __schedule+0x940/0x26f0 [ 1354.727720][ T27] ? io_schedule_timeout+0x140/0x140 [ 1354.733072][ T27] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 1354.738813][ T27] ? __cond_resched+0x13/0x20 [ 1354.743535][ T27] ? preempt_schedule_common+0x45/0xc0 [ 1354.749025][ T27] ? __cond_resched+0x13/0x20 [ 1354.753762][ T27] ? __alloc_pages_slowpath.constprop.0+0x9c7/0x2290 [ 1354.760499][ T27] ? get_page_from_freelist+0x3c4/0x2f50 [ 1354.766163][ T27] ? warn_alloc+0x120/0x120 [ 1354.770776][ T27] ? __zone_watermark_ok+0x450/0x450 [ 1354.776087][ T27] ? prepare_alloc_pages+0x17b/0x580 [ 1354.781434][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1354.787697][ T27] ? __alloc_pages+0x412/0x500 [ 1354.792553][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1354.798823][ T27] ? __alloc_pages_slowpath.constprop.0+0x2290/0x2290 [ 1354.805682][ T27] ? alloc_pages+0x1a7/0x300 [ 1354.810345][ T27] ? folio_alloc+0x1c/0x70 [ 1354.814779][ T27] ? do_read_cache_page+0x7c9/0x11a0 [ 1354.820149][ T27] ? minix_find_entry+0x57c/0x7e0 [ 1354.825206][ T27] ? minix_find_entry+0x203/0x7e0 [ 1354.830303][ T27] ? __lock_acquire+0x162f/0x54a0 [ 1354.835361][ T27] ? minix_inode_by_name+0x6d/0x460 [ 1354.840616][ T27] ? minix_dotdot+0x190/0x190 [ 1354.845308][ T27] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1354.850861][ T27] ? minix_lookup+0x103/0x190 [ 1354.855572][ T27] ? __lookup_slow+0x24c/0x480 [ 1354.860477][ T27] ? page_put_link+0x220/0x220 [ 1354.865262][ T27] ? ZSTD_compressBlock_lazy_extDict.cold+0x687/0x1309 [ 1354.872199][ T27] ? ZSTD_compressBlock_lazy_extDict.cold+0x687/0x1309 [ 1354.879070][ T27] ? make_kuid+0x1e/0x30 [ 1354.883416][ T27] ? walk_component+0x40f/0x6a0 [ 1354.888285][ T27] ? handle_dots.part.0+0x15e0/0x15e0 [ 1354.893748][ T27] ? walk_component+0x6a0/0x6a0 [ 1354.898632][ T27] ? path_lookupat+0x1bb/0x860 [ 1354.903451][ T27] ? filename_lookup+0x1c6/0x590 [ 1354.908399][ T27] ? may_linkat+0x2d0/0x2d0 [ 1354.913020][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1354.919282][ T27] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 1354.925061][ T27] ? __check_object_size+0x16e/0x3f0 [ 1354.930426][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1354.936680][ T27] ? strncpy_from_user+0x2a0/0x3e0 [ 1354.941862][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1354.948123][ T27] ? getname_flags.part.0+0x1dd/0x4f0 [ 1354.953668][ T27] ? user_path_at_empty+0x42/0x60 [ 1354.958708][ T27] ? __x64_sys_chdir+0xb7/0x260 [ 1354.963612][ T27] ? __ia32_sys_access+0x80/0x80 [ 1354.968569][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1354.974554][ T27] ? do_syscall_64+0x35/0xb0 [ 1354.979157][ T27] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1354.985312][ T27] [ 1357.119325][ T27] INFO: task syz-executor532:6637 can't die for more than 148 seconds. [ 1357.127602][ T27] task:syz-executor532 state:R running task stack:24600 pid: 6637 ppid: 6568 flags:0x00004006 [ 1357.138590][ T27] Call Trace: [ 1357.141921][ T27] [ 1357.144867][ T27] __schedule+0x940/0x26f0 [ 1357.149368][ T27] ? io_schedule_timeout+0x140/0x140 [ 1357.154659][ T27] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 1357.160496][ T27] ? __cond_resched+0x13/0x20 [ 1357.165189][ T27] preempt_schedule_common+0x45/0xc0 [ 1357.170652][ T27] __cond_resched+0x13/0x20 [ 1357.175181][ T27] __alloc_pages_slowpath.constprop.0+0x9c7/0x2290 [ 1357.181865][ T27] ? get_page_from_freelist+0x3c4/0x2f50 [ 1357.187551][ T27] ? warn_alloc+0x120/0x120 [ 1357.192215][ T27] ? __zone_watermark_ok+0x450/0x450 [ 1357.197519][ T27] ? prepare_alloc_pages+0x17b/0x580 [ 1357.202939][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1357.209299][ T27] __alloc_pages+0x412/0x500 [ 1357.213914][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1357.220255][ T27] ? __alloc_pages_slowpath.constprop.0+0x2290/0x2290 [ 1357.227180][ T27] alloc_pages+0x1a7/0x300 [ 1357.231690][ T27] folio_alloc+0x1c/0x70 [ 1357.235957][ T27] do_read_cache_page+0x7c9/0x11a0 [ 1357.241144][ T27] ? minix_find_entry+0x57c/0x7e0 [ 1357.246201][ T27] minix_find_entry+0x203/0x7e0 [ 1357.251136][ T27] ? __lock_acquire+0x162f/0x54a0 [ 1357.256286][ T27] minix_inode_by_name+0x6d/0x460 [ 1357.261388][ T27] ? minix_dotdot+0x190/0x190 [ 1357.266091][ T27] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1357.271637][ T27] minix_lookup+0x103/0x190 [ 1357.276171][ T27] __lookup_slow+0x24c/0x480 [ 1357.280906][ T27] ? page_put_link+0x220/0x220 [ 1357.285707][ T27] ? ZSTD_compressBlock_lazy_extDict.cold+0x687/0x1309 [ 1357.292642][ T27] ? ZSTD_compressBlock_lazy_extDict.cold+0x687/0x1309 [ 1357.299581][ T27] ? make_kuid+0x1e/0x30 [ 1357.303866][ T27] walk_component+0x40f/0x6a0 [ 1357.308574][ T27] ? handle_dots.part.0+0x15e0/0x15e0 [ 1357.314188][ T27] ? walk_component+0x6a0/0x6a0 [ 1357.319101][ T27] path_lookupat+0x1bb/0x860 [ 1357.323778][ T27] filename_lookup+0x1c6/0x590 [ 1357.328562][ T27] ? may_linkat+0x2d0/0x2d0 [ 1357.333131][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1357.339440][ T27] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 1357.345175][ T27] ? __check_object_size+0x16e/0x3f0 [ 1357.350536][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1357.356795][ T27] ? strncpy_from_user+0x2a0/0x3e0 [ 1357.361982][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1357.368239][ T27] ? getname_flags.part.0+0x1dd/0x4f0 [ 1357.373709][ T27] user_path_at_empty+0x42/0x60 [ 1357.378603][ T27] __x64_sys_chdir+0xb7/0x260 [ 1357.383373][ T27] ? __ia32_sys_access+0x80/0x80 [ 1357.388326][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1357.394291][ T27] do_syscall_64+0x35/0xb0 [ 1357.398718][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1357.404679][ T27] RIP: 0033:0x7fbf318eec29 [ 1357.409126][ T27] RSP: 002b:00007fbf3187a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 [ 1357.417599][ T27] RAX: ffffffffffffffda RBX: 00007fbf319734b0 RCX: 00007fbf318eec29 [ 1357.425622][ T27] RDX: 00007fbf3187a700 RSI: 19cc808b8e0b854c RDI: 0000000020000040 [ 1357.434594][ T27] RBP: 00007fbf319400b0 R08: 00007fbf3187a700 R09: 0000000000000000 [ 1357.442660][ T27] R10: 00007fbf3187a700 R11: 0000000000000246 R12: 0000000020002480 [ 1357.450785][ T27] R13: 0030656c69662f2e R14: 000000807fffffff R15: 00007fbf319734b8 [ 1357.458802][ T27] [ 1358.609156][ T27] [ 1358.609156][ T27] Showing all locks held in the system: [ 1358.616994][ T27] 1 lock held by khungtaskd/27: [ 1358.621941][ T27] #0: ffffffff8b981260 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1358.632065][ T27] 1 lock held by kswapd0/98: [ 1358.636838][ T27] 1 lock held by kswapd1/99: [ 1358.641551][ T27] 1 lock held by in:imklog/6240: [ 1358.646501][ T27] 2 locks held by syz-executor532/6634: [ 1358.652102][ T27] 1 lock held by syz-executor532/6650: [ 1358.657566][ T27] 1 lock held by syz-executor532/6638: [ 1358.663621][ T27] 1 lock held by syz-executor532/6637: [ 1358.669140][ T27] 1 lock held by syz-executor532/6658: [ 1358.674603][ T27] 2 locks held by syz-executor532/6669: [ 1358.680199][ T27] [ 1358.682532][ T27] ============================================= [ 1358.682532][ T27] [ 1358.690986][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 1358.697893][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc3-next-20211001-syzkaller #0 [ 1358.707273][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1358.717337][ T27] Call Trace: [ 1358.720620][ T27] [ 1358.723556][ T27] dump_stack_lvl+0xcd/0x134 [ 1358.728160][ T27] panic+0x2b0/0x6dd [ 1358.732100][ T27] ? __warn_printk+0xf3/0xf3 [ 1358.736715][ T27] ? watchdog.cold+0x1b9/0x1de [ 1358.741498][ T27] watchdog.cold+0x1ca/0x1de [ 1358.746104][ T27] ? trace_sched_process_hang+0x280/0x280 [ 1358.751887][ T27] kthread+0x405/0x4f0 [ 1358.755971][ T27] ? set_kthread_struct+0x130/0x130 [ 1358.761199][ T27] ret_from_fork+0x1f/0x30 [ 1358.765671][ T27] [ 1358.769078][ T27] Kernel Offset: disabled [ 1358.773488][ T27] Rebooting in 86400 seconds..