Starting sshd: OK syzkaller syzkaller login: [ 50.922080][ T1206] cgroup: Unknown subsys name 'net' [ 51.020993][ T1206] cgroup: Unknown subsys name 'rlimit' [ 51.363124][ T1206] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 53.379404][ T1294] modprobe (1294) used greatest stack depth: 22816 bytes left [ 62.864805][ T1216] syz-executor (1216) used greatest stack depth: 21824 bytes left Warning: Permanently added '10.128.10.40' (ED25519) to the list of known hosts. 2025/12/15 13:59:40 parsed 1 programs [ 85.009640][ T1751] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/12/15 13:59:51 executed programs: 0 [ 96.365100][ T2255] loop0: detected capacity change from 0 to 512 [ 96.417273][ T2255] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 96.460619][ T2255] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 96.498683][ T2255] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2819: Unable to expand inode 15. Delete some EAs or run e2fsck. [ 96.526312][ T2255] EXT4-fs (loop0): 1 truncate cleaned up [ 96.532194][ T2255] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 96.710497][ T11] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:1: Invalid inode table block 0 in block_group 0 [ 96.768679][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 96.833815][ T2280] loop0: detected capacity change from 0 to 512 [ 96.896665][ T2280] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 96.935781][ T2280] EXT4-fs (loop0): 1 truncate cleaned up [ 96.960663][ T2280] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 97.050913][ T363] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:5: Invalid inode table block 0 in block_group 0 [ 97.111697][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 97.208043][ T2297] loop0: detected capacity change from 0 to 512 [ 97.248018][ T2297] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 97.311071][ T2297] EXT4-fs (loop0): 1 truncate cleaned up [ 97.338193][ T2297] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 97.439328][ T2297] EXT4-fs error (device loop0): ext4_map_blocks:745: inode #15: block 179: comm syz.0.23: lblock 131199 mapped to illegal pblock 179 (length 1) [ 97.486929][ T2297] EXT4-fs error (device loop0): ext4_discard_preallocations:5106: comm syz.0.23: Error -117 loading buddy information for 4294548846 [ 97.546431][ T2297] EXT4-fs error (device loop0): ext4_free_branches:1030: inode #15: comm syz.0.23: invalid indirect mapped block 36 (level 2) [ 97.593995][ T2297] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm syz.0.23: Invalid inode table block 0 in block_group 0 [ 97.616330][ T2297] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5929: Corrupt filesystem [ 97.656110][ T2297] EXT4-fs error (device loop0): ext4_truncate:4318: inode #15: comm syz.0.23: mark_inode_dirty error [ 97.692809][ T35] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:2: Invalid inode table block 0 in block_group 0 [ 97.728662][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 97.776364][ T2322] loop0: detected capacity change from 0 to 512 [ 97.798749][ T2322] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 97.838675][ T2322] EXT4-fs (loop0): 1 truncate cleaned up [ 97.853686][ T2322] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 97.922269][ T363] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:5: Invalid inode table block 0 in block_group 0 [ 97.960348][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 98.445646][ T2352] loop0: detected capacity change from 0 to 512 [ 98.485061][ T2352] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 98.528075][ T2352] EXT4-fs (loop0): 1 truncate cleaned up [ 98.546038][ T2352] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 98.627298][ T363] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:5: Invalid inode table block 0 in block_group 0 [ 98.655852][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 98.729282][ T2365] loop0: detected capacity change from 0 to 512 [ 98.776418][ T2365] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 98.816703][ T2365] EXT4-fs (loop0): 1 truncate cleaned up [ 98.822403][ T2365] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 98.907563][ T363] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:5: Invalid inode table block 0 in block_group 0 [ 98.925820][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 99.000270][ T2377] loop0: detected capacity change from 0 to 512 [ 99.036016][ T2377] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 99.073686][ T2377] EXT4-fs (loop0): 1 truncate cleaned up [ 99.111597][ T2377] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 99.248263][ T1229] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:6: Invalid inode table block 0 in block_group 0 [ 99.294253][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 99.362621][ T2394] loop0: detected capacity change from 0 to 512 [ 99.418292][ T2394] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 99.466540][ T2394] EXT4-fs (loop0): 1 truncate cleaned up [ 99.472319][ T2394] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 99.616992][ T1229] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:6: Invalid inode table block 0 in block_group 0 [ 99.661090][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 99.729612][ T2411] loop0: detected capacity change from 0 to 512 [ 99.762058][ T2411] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 99.818857][ T2411] EXT4-fs (loop0): 1 truncate cleaned up [ 99.824764][ T2411] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 99.953786][ T11] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:1: Invalid inode table block 0 in block_group 0 [ 100.001279][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 100.076866][ T2427] loop0: detected capacity change from 0 to 512 [ 100.116554][ T2427] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 100.148462][ T2427] EXT4-fs (loop0): 1 truncate cleaned up [ 100.154330][ T2427] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 100.309942][ T35] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:2: Invalid inode table block 0 in block_group 0 [ 100.365684][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 100.450663][ T2443] loop0: detected capacity change from 0 to 512 [ 100.486801][ T2443] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 100.529291][ T2443] EXT4-fs (loop0): 1 truncate cleaned up [ 100.536054][ T2443] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 100.630331][ T338] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:4: Invalid inode table block 0 in block_group 0 [ 100.681884][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 100.776424][ T2457] loop0: detected capacity change from 0 to 512 [ 100.800365][ T2457] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 100.839026][ T2457] EXT4-fs (loop0): 1 truncate cleaned up [ 100.844720][ T2457] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 100.981737][ T338] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:4: Invalid inode table block 0 in block_group 0 [ 101.051050][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 101.158684][ T2474] loop0: detected capacity change from 0 to 512 [ 101.187540][ T2474] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 101.238676][ T2474] EXT4-fs (loop0): 1 truncate cleaned up [ 101.244381][ T2474] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. 2025/12/15 13:59:57 executed programs: 24 [ 101.434941][ T363] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:5: Invalid inode table block 0 in block_group 0 [ 101.472138][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 101.543333][ T2492] loop0: detected capacity change from 0 to 512 [ 101.625627][ T2492] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 101.679588][ T2492] EXT4-fs (loop0): 1 truncate cleaned up [ 101.685333][ T2492] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 101.852456][ T363] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:5: Invalid inode table block 0 in block_group 0 [ 101.901746][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 101.998174][ T2513] loop0: detected capacity change from 0 to 512 [ 102.026513][ T2513] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 102.073794][ T2513] EXT4-fs (loop0): 1 truncate cleaned up [ 102.096776][ T2513] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 102.208162][ T363] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:5: Invalid inode table block 0 in block_group 0 [ 102.262028][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 102.314812][ T2528] loop0: detected capacity change from 0 to 512 [ 102.355989][ T2528] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 102.390067][ T2528] EXT4-fs (loop0): 1 truncate cleaned up [ 102.396570][ T2528] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 102.528949][ T2288] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:8: Invalid inode table block 0 in block_group 0 [ 102.565652][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 102.633766][ T2541] loop0: detected capacity change from 0 to 512 [ 102.659010][ T2541] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 102.709031][ T2541] EXT4-fs (loop0): 1 truncate cleaned up [ 102.715084][ T2541] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 102.907254][ T2288] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:8: Invalid inode table block 0 in block_group 0 [ 102.941183][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 103.021964][ T2561] loop0: detected capacity change from 0 to 512 [ 103.056668][ T2561] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 103.117695][ T2561] EXT4-fs (loop0): 1 truncate cleaned up [ 103.123925][ T2561] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 103.277448][ T9] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:0: Invalid inode table block 0 in block_group 0 [ 103.298899][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 103.382878][ T2576] loop0: detected capacity change from 0 to 512 [ 103.400588][ T2576] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 103.441626][ T2576] EXT4-fs (loop0): 1 truncate cleaned up [ 103.448143][ T2576] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 103.595042][ T9] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:0: Invalid inode table block 0 in block_group 0 [ 103.642733][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 103.705779][ T2592] loop0: detected capacity change from 0 to 512 [ 103.756262][ T2592] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 103.805291][ T2592] EXT4-fs (loop0): 1 truncate cleaned up [ 103.827887][ T2592] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 103.932628][ T11] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:1: Invalid inode table block 0 in block_group 0 [ 104.001367][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 104.059802][ T2607] loop0: detected capacity change from 0 to 512 [ 104.126611][ T2607] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 104.161965][ T2607] EXT4-fs (loop0): 1 truncate cleaned up [ 104.170020][ T2607] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 104.303309][ T11] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:1: Invalid inode table block 0 in block_group 0 [ 104.351363][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 104.803816][ T2643] loop0: detected capacity change from 0 to 512 [ 104.884352][ T2643] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 104.935805][ T2643] EXT4-fs (loop0): 1 truncate cleaned up [ 104.965090][ T2643] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 105.104661][ T35] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:2: Invalid inode table block 0 in block_group 0 [ 105.172085][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 105.256923][ T2662] loop0: detected capacity change from 0 to 512 [ 105.289128][ T2662] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 105.344747][ T2662] EXT4-fs (loop0): 1 truncate cleaned up [ 105.358530][ T2662] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 105.529099][ T1229] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:6: Invalid inode table block 0 in block_group 0 [ 105.572956][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 105.649020][ T2681] loop0: detected capacity change from 0 to 512 [ 105.672126][ T2681] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 105.718778][ T2681] EXT4-fs (loop0): 1 truncate cleaned up [ 105.724731][ T2681] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 105.852879][ T363] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:5: Invalid inode table block 0 in block_group 0 [ 105.893800][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 106.411413][ T2715] loop0: detected capacity change from 0 to 512 [ 106.459368][ T2715] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 106.508086][ T2715] EXT4-fs (loop0): 1 truncate cleaned up [ 106.514154][ T2715] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. 2025/12/15 14:00:02 executed programs: 38 [ 106.555555][ T338] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:4: Invalid inode table block 0 in block_group 0 [ 106.631468][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 106.711560][ T2729] loop0: detected capacity change from 0 to 512 [ 106.749483][ T2729] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 106.798769][ T2729] EXT4-fs (loop0): 1 truncate cleaned up [ 106.804471][ T2729] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 107.005048][ T338] EXT4-fs error (device loop0): __ext4_get_inode_loc:4513: comm kworker/u4:4: Invalid inode table block 0 in block_group 0 [ 107.031935][ T1810] EXT4-fs (loop0): unmounting filesystem. [ 107.075400][ T2746] loop0: detected capacity change from 0 to 512 [ 107.126677][ T2746] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 107.157414][ T2746] EXT4-fs (loop0): 1 truncate cleaned up [ 107.176039][ T2746] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 107.277713][ T2746] ------------[ cut here ]------------ [ 107.284077][ T2746] kernel BUG at fs/ext4/mballoc.c:4849! [ 107.289923][ T2746] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 107.296203][ T2746] CPU: 1 PID: 2746 Comm: syz.0.50 Not tainted syzkaller #0 [ 107.303763][ T2746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 107.314286][ T2746] RIP: 0010:ext4_mb_release_inode_pa+0x8f9/0x900 [ 107.321176][ T2746] Code: e9 0d fe ff ff 89 da 80 e2 07 80 c2 03 38 c2 0f 8c 39 fe ff ff 48 89 df 41 89 ce e8 81 49 c0 ff 44 89 f1 e9 26 fe ff ff 0f 0b <0f> 0b 0f 1f 44 00 00 41 57 41 56 53 48 89 fb 49 bf 00 00 00 00 00 [ 107.342300][ T2746] RSP: 0018:ffffc9000344ec80 EFLAGS: 00010206 [ 107.348708][ T2746] RAX: 0000000000000000 RBX: ffff8880742f5864 RCX: 0000000000000000 [ 107.356766][ T2746] RDX: 000000000344ed03 RSI: 000000000344ed03 RDI: ffff888065d3e010 [ 107.365421][ T2746] RBP: ffffc9000344edd0 R08: dffffc0000000000 R09: ffffed100dee9d6b [ 107.373484][ T2746] R10: ffffed100dee9d6b R11: 1ffff1100dee9d6a R12: ffff88806f5033a0 [ 107.381539][ T2746] R13: dffffc0000000000 R14: 00000000fff99d6e R15: 0000000000000eb5 [ 107.389578][ T2746] FS: 00007f71020346c0(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 107.398927][ T2746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.405503][ T2746] CR2: 00007efdc2ce7008 CR3: 000000007ba42000 CR4: 00000000003506e0 [ 107.413826][ T2746] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 107.421905][ T2746] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 107.430217][ T2746] Call Trace: [ 107.433484][ T2746] [ 107.436494][ T2746] ? ext4_mb_unload_buddy+0x70/0x70 [ 107.441831][ T2746] ? do_raw_spin_unlock+0x11d/0x230 [ 107.447354][ T2746] ext4_mb_discard_group_preallocations+0xa76/0xc30 [ 107.454091][ T2746] ? ext4_mb_new_inode_pa+0x15a0/0x15a0 [ 107.459709][ T2746] ext4_mb_discard_preallocations_should_retry+0x170/0x580 [ 107.467501][ T2746] ext4_mb_new_blocks+0x2a46/0x3cc0 [ 107.473472][ T2746] ? bh_uptodate_or_lock+0xe/0xd0 [ 107.478736][ T2746] ? ext4_get_branch+0x30b/0x710 [ 107.483650][ T2746] ? ext4_mb_pa_callback+0xa0/0xa0 [ 107.488740][ T2746] ext4_ind_map_blocks+0xc76/0x1ec0 [ 107.493918][ T2746] ? get_orlov_stats+0x3d0/0x3d0 [ 107.499101][ T2746] ? up_read+0x20/0x20 [ 107.503150][ T2746] ext4_map_blocks+0x746/0x19b0 [ 107.508161][ T2746] ? ext4_issue_zeroout+0x1f0/0x1f0 [ 107.514033][ T2746] ? verify_lock_unused+0x140/0x140 [ 107.519271][ T2746] _ext4_get_block+0x1a0/0x460 [ 107.524113][ T2746] ? ext4_get_block+0x10/0x10 [ 107.528762][ T2746] ? create_page_buffers+0x179/0x310 [ 107.534021][ T2746] __block_write_begin_int+0x3c6/0x1270 [ 107.539789][ T2746] ? ext4_es_is_delayed+0x40/0x40 [ 107.544901][ T2746] ? page_zero_new_buffers+0x3f0/0x3f0 [ 107.550351][ T2746] ? ext4_journal_check_start+0x60/0x1d0 [ 107.555975][ T2746] ? folio_mapping+0x9d/0x300 [ 107.560658][ T2746] ext4_write_begin+0x56d/0xb60 [ 107.565604][ T2746] ? lockdep_hardirqs_on+0x94/0x140 [ 107.570876][ T2746] ? ext4_readahead+0xd0/0xd0 [ 107.575569][ T2746] ? fault_in_readable+0xbd/0x140 [ 107.580580][ T2746] ? fault_in_iov_iter_readable+0xa4/0x250 [ 107.586423][ T2746] generic_perform_write+0x2d9/0x4f0 [ 107.591720][ T2746] ? generic_file_direct_write+0x2a0/0x2a0 [ 107.597791][ T2746] ? rwsem_write_trylock+0x12f/0x1b0 [ 107.603320][ T2746] ? file_modified+0x10/0x10 [ 107.608147][ T2746] ? generic_write_checks+0x55/0xc0 [ 107.613521][ T2746] ext4_buffered_write_iter+0x2be/0x510 [ 107.619306][ T2746] ext4_file_write_iter+0x15d/0x1090 [ 107.624754][ T2746] ? rcu_read_lock_any_held+0xb0/0x120 [ 107.630392][ T2746] ? ext4_file_read_iter+0x310/0x310 [ 107.635763][ T2746] ? common_file_perm+0x131/0x180 [ 107.640887][ T2746] vfs_write+0x4a9/0x7c0 [ 107.645299][ T2746] ? file_end_write+0x1b0/0x1b0 [ 107.650218][ T2746] ? __fget_files+0x24/0x340 [ 107.654790][ T2746] ? __fdget+0x135/0x1b0 [ 107.659176][ T2746] __x64_sys_pwrite64+0x133/0x1c0 [ 107.664344][ T2746] ? ksys_pwrite64+0x150/0x150 [ 107.669376][ T2746] ? lockdep_hardirqs_on+0x94/0x140 [ 107.674828][ T2746] do_syscall_64+0x4c/0xa0 [ 107.679230][ T2746] ? clear_bhb_loop+0x60/0xb0 [ 107.683971][ T2746] ? clear_bhb_loop+0x60/0xb0 [ 107.689021][ T2746] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 107.695069][ T2746] RIP: 0033:0x7f710118eec9 [ 107.699673][ T2746] 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 [ 107.719534][ T2746] RSP: 002b:00007f7102034038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 107.728223][ T2746] RAX: ffffffffffffffda RBX: 00007f71013e5fa0 RCX: 00007f710118eec9 [ 107.736258][ T2746] RDX: 00000000ffffff07 RSI: 0000200000000140 RDI: 0000000000000004 [ 107.744507][ T2746] RBP: 00007f7101211f91 R08: 0000000000000000 R09: 0000000000000000 [ 107.752730][ T2746] R10: 0000000008000c61 R11: 0000000000000246 R12: 0000000000000000 [ 107.760765][ T2746] R13: 00007f71013e6038 R14: 00007f71013e5fa0 R15: 00007ffc3afe1fc8 [ 107.768714][ T2746] [ 107.771906][ T2746] Modules linked in: [ 107.776109][ T2746] ---[ end trace 0000000000000000 ]--- [ 107.781566][ T2746] RIP: 0010:ext4_mb_release_inode_pa+0x8f9/0x900 [ 107.788059][ T2746] Code: e9 0d fe ff ff 89 da 80 e2 07 80 c2 03 38 c2 0f 8c 39 fe ff ff 48 89 df 41 89 ce e8 81 49 c0 ff 44 89 f1 e9 26 fe ff ff 0f 0b <0f> 0b 0f 1f 44 00 00 41 57 41 56 53 48 89 fb 49 bf 00 00 00 00 00 [ 107.808412][ T2746] RSP: 0018:ffffc9000344ec80 EFLAGS: 00010206 [ 107.814580][ T2746] RAX: 0000000000000000 RBX: ffff8880742f5864 RCX: 0000000000000000 [ 107.822687][ T2746] RDX: 000000000344ed03 RSI: 000000000344ed03 RDI: ffff888065d3e010 [ 107.831164][ T2746] RBP: ffffc9000344edd0 R08: dffffc0000000000 R09: ffffed100dee9d6b [ 107.839274][ T2746] R10: ffffed100dee9d6b R11: 1ffff1100dee9d6a R12: ffff88806f5033a0 [ 107.847384][ T2746] R13: dffffc0000000000 R14: 00000000fff99d6e R15: 0000000000000eb5 [ 107.855464][ T2746] FS: 00007f71020346c0(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 107.864955][ T2746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.871770][ T2746] CR2: 00007efdc2ce7008 CR3: 000000007ba42000 CR4: 00000000003506e0 [ 107.879792][ T2746] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 107.887807][ T2746] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 107.896536][ T2746] Kernel panic - not syncing: Fatal exception [ 107.903609][ T2746] Kernel Offset: disabled [ 107.908021][ T2746] Rebooting in 86400 seconds..