program: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000003880)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000038c0)=@newlink={0x3c, 0x10, 0x801, 0xfffffffd, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4040, 0x20}, [@IFLA_GROUP={0x8}, @IFLA_AF_SPEC={0x14, 0x1a, 0x0, 0x1, [@AF_INET={0x10, 0x2, 0x0, 0x1, {0xc, 0x1, 0x0, 0x1, [{0x8, 0x1e, 0x0, 0x0, 0x8}]}}]}]}, 0x3c}}, 0x0) prctl$PR_GET_FPEXC(0xb, 0x0) madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0x80000000e) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) socket$nl_route(0x10, 0x3, 0x0) syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$eJzs3EtsG0UfAPD/rvNo+viSr5RHSwuBgqh4JE36oAcuIJA4gIQEhyJOIUmrUrdBTZBoVUHhUI6oEnfEEYk7Eie4IOCAkLjCHVWqql5aOBmtvZs6jp06tRu3+PeT1p7ZXWfm79mxxzN2Auhb49lNErE1Iv6IiNFaduUJ47W7G9fOz/597fxsEpXKm1eT6nnXr52fLU4tHrellqlUIoaz5HCTci++EzFTLs+fyfOTS6fen1w8e+65E6dmjs8fnz89feTIwQN7hg5PH+oovjS/z+K6vuujhd07X3370uuzRy+9+/M3WX235sfr47gtWbQNxmvPbqNHs5snOyrsrvJrdrOtbkcy0PrkiQ2oEO0rRUTWXIPV/j8apRhZPjYar3za08oBd1SlUqk0e3/OXagA/2FJ9LoGQG8Ub/TZ599i26Chx13hyou1D0BZ3DfyrXZkYHnuYLDh8203jUfE0Qv/fJlt0Y15CACAW/g+G/8822z8l8YDdef9L19DGYuI/0fE9oi4LyJ2RMT9EdVzH4yIh9ZZfuMKyerxT3r5tgJrUzb+eyFf21o5/itGfzFWynPbqvEPJsdOlOf358/JvhgczvJTa5Txw8u/f16kNzUcqx//ZVtWfjEWzOtxeaBhgm5uZmmm07gLVz6J2DXQLP4kimWcJCJ2RsSu2yzjxNNf72517Nbxr2GNdaZ2Vb6KeKrW/hdiRfw3myppuT459fzh6UOTm6I8v3+yuCpW++W3i2+0Kr+j+Lsga//NTa//5VXgsWRTxOLZcyer67WL6y/j4p+f1fXpFavLWfzptxHrvv6Hkreq6aF834czS0tnpiKGktdW75+++dgiX5yfxb9vb/P+v72uxg9HRHYR74mIR/JF3KztHouIxyNi7xrx//TSE++1Oraq/UeK+NeYle+iLP65W7V/1Lf/+hOlkz9+13b8Tdv/YDW1L9/TzutfuxXs5LkDAACAe0Va/Q58kk4sp9N0YqL2Hf4dsTktLywuPXNs4YPTc7Xvyo/FYFrMdI3WzYdO5XPDRX66IX8gnzf+ojRSzU/MLpTneh089LktLfp/5q9Sr2sH3HFdWEcD7lH6P/Qv/R/6l/4P/Uv/h/7VrP9/3IN6ABvP+z/0L/0f+pf+D/1L/4e+1PK38WlHP/nvcaL43wkd/J2rvY+i48TInSwi0t4H2BeJgU4u43YSw00P9fiFCQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAoEv+DQAA//9L2OJW") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000400)=0x7) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r2, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) mprotect(&(0x7f0000231000/0x2000)=nil, 0x2000, 0xe) r3 = socket(0x40000000015, 0x5, 0x0) getsockopt(r3, 0x200000000114, 0x8, 0x0, &(0x7f0000000240)) r4 = getpid() sched_setscheduler(r4, 0x2, &(0x7f0000000200)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) r5 = syz_clone(0x0, 0x0, 0xfffffffffffffead, 0x0, 0x0, 0x0) ptrace(0x10, r5) ptrace(0x8, r5) r6 = syz_pidfd_open(r5, 0x0) process_mrelease(r6, 0x700000000000000) process_vm_writev(r5, &(0x7f0000000700)=[{&(0x7f00000004c0)=""/199, 0xc7}], 0x1, &(0x7f0000000c40)=[{&(0x7f0000000d80)=""/95, 0x5f}], 0x1, 0x0) [ 109.908052][ T5288] Bluetooth: hci0: command tx timeout [ 109.989498][ T5331] loop0: detected capacity change from 0 to 512 [ 110.016387][ T5331] EXT4-fs (loop0): invalid journal inode [ 110.022146][ T5331] EXT4-fs (loop0): can't get journal size [ 110.091364][ T5331] EXT4-fs (loop0): 1 truncate cleaned up [ 110.095323][ T5331] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 110.126770][ T5331] loop0: detected capacity change from 512 to 64 [ 110.165349][ T5330] syz.0.0: attempt to access beyond end of device [ 110.165349][ T5330] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 110.181117][ T5330] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 110.193868][ T5330] Buffer I/O error on device loop0, logical block 36 [ 110.202870][ T5330] syz.0.0: attempt to access beyond end of device [ 110.202870][ T5330] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 110.284169][ T5330] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 110.292176][ T5330] Buffer I/O error on device loop0, logical block 39 [ 110.299045][ T5330] syz.0.0: attempt to access beyond end of device [ 110.299045][ T5330] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 110.312863][ T5330] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 110.318654][ T5330] Buffer I/O error on device loop0, logical block 40 [ 110.322241][ T5330] Buffer I/O error on device loop0, logical block 41 [ 110.324992][ T5330] Buffer I/O error on device loop0, logical block 42 [ 110.327655][ T5330] Buffer I/O error on device loop0, logical block 43 [ 110.331383][ T5330] Buffer I/O error on device loop0, logical block 44 [ 110.334160][ T5330] Buffer I/O error on device loop0, logical block 45 [ 110.336829][ T5330] Buffer I/O error on device loop0, logical block 46 [ 110.339677][ T5330] Buffer I/O error on device loop0, logical block 47 [ 110.452961][ T5330] ------------[ cut here ]------------ [ 110.456035][ T5330] kernel BUG at fs/ext4/mballoc.c:4780! [ 110.458228][ T5330] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 110.460648][ T5330] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 110.464062][ T5330] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 110.468655][ T5330] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 110.471344][ T5330] Code: e8 76 87 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 62 61 34 ff 90 0f 0b e8 5a 61 34 ff 90 0f 0b e8 52 61 34 ff 90 <0f> 0b e8 4a 61 34 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 110.479475][ T5330] RSP: 0018:ffffc90000e266a0 EFLAGS: 00010287 [ 110.482860][ T5330] RAX: ffffffff8292213e RBX: 00000000fffffffe RCX: 0000000000100000 [ 110.486697][ T5330] RDX: ffffc9000f779000 RSI: 000000000000dcf2 RDI: 000000000000dcf3 [ 110.490279][ T5330] RBP: 1ffff110084ebcef R08: ffff88804277eefb R09: 1ffff110084efddf [ 110.493636][ T5330] R10: dffffc0000000000 R11: ffffed10084efde0 R12: 0000000000000000 [ 110.497037][ T5330] R13: 0000000000000074 R14: 1ffff110084efde2 R15: ffff88804277ef10 [ 110.500615][ T5330] FS: 00007ff9346e36c0(0000) GS:ffff88808c54d000(0000) knlGS:0000000000000000 [ 110.505267][ T5330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.508118][ T5330] CR2: 0000200000000700 CR3: 0000000042e01000 CR4: 0000000000352ef0 [ 110.511569][ T5330] Call Trace: [ 110.513418][ T5330] [ 110.515115][ T5330] ext4_mb_use_preallocated+0x638/0x13e0 [ 110.518213][ T5330] ext4_mb_new_blocks+0x5a0/0x4530 [ 110.521206][ T5330] ? rcu_is_watching+0x15/0xb0 [ 110.523732][ T5330] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 110.526254][ T5330] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 110.528677][ T5330] ? ext4_block_to_path+0x382/0x700 [ 110.530973][ T5330] ext4_ind_map_blocks+0xe96/0x22a0 [ 110.533310][ T5330] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 110.535862][ T5330] ? kasan_save_track+0x4f/0x80 [ 110.537976][ T5330] ? ext4_map_blocks+0x7cc/0x1240 [ 110.540225][ T5330] ? down_write+0x16d/0x200 [ 110.542365][ T5330] ext4_map_create_blocks+0xbb/0x530 [ 110.544391][ T5330] ? ext4_fc_track_inode+0xf3/0x3f0 [ 110.546620][ T5330] ext4_map_blocks+0x7e4/0x1240 [ 110.548725][ T5330] ? __pfx_ext4_map_blocks+0x10/0x10 [ 110.551469][ T5330] ? __ext4_journal_ensure_credits+0x30/0x450 [ 110.554948][ T5330] ext4_do_writepages+0x19e3/0x47a0 [ 110.557479][ T5330] ? __lock_acquire+0x683/0x2cf0 [ 110.559533][ T5330] ? __pfx_ext4_do_writepages+0x10/0x10 [ 110.561889][ T5330] ? __lock_acquire+0x683/0x2cf0 [ 110.564135][ T5330] ? __free_object+0x432/0x5d0 [ 110.566304][ T5330] ? lockdep_hardirqs_on+0x7a/0x110 [ 110.568904][ T5330] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 110.572099][ T5330] ? debug_object_free+0x29c/0x340 [ 110.574940][ T5330] ? ext4_writepages+0x205/0x3b0 [ 110.577547][ T5330] ? ext4_writepages+0x205/0x3b0 [ 110.579841][ T5330] ext4_writepages+0x241/0x3b0 [ 110.581967][ T5330] ? __pfx_ext4_writepages+0x10/0x10 [ 110.584324][ T5330] ? __pfx_ext4_writepages+0x10/0x10 [ 110.586699][ T5330] do_writepages+0x338/0x560 [ 110.588904][ T5330] ? do_raw_spin_unlock+0x4d/0x210 [ 110.591737][ T5330] file_write_and_wait_range+0x36e/0x440 [ 110.594857][ T5330] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 110.597869][ T5330] ? __folio_put+0x4b3/0x590 [ 110.600011][ T5330] ? __pfx_ext4_write_begin+0x10/0x10 [ 110.602414][ T5330] mmb_fsync_noflush+0x73/0x1d0 [ 110.604717][ T5330] ext4_sync_file+0x41a/0xd00 [ 110.606872][ T5330] ? __pfx_ext4_sync_file+0x10/0x10 [ 110.609531][ T5330] ? ext4_buffered_write_iter+0xd6/0x370 [ 110.612490][ T5330] ? sync_lazytime+0x5a/0x4c0 [ 110.615191][ T5330] ext4_buffered_write_iter+0x2c7/0x370 [ 110.617665][ T5330] ext4_file_write_iter+0x947/0x1c70 [ 110.619797][ T5330] ? __lock_acquire+0x683/0x2cf0 [ 110.621510][ T5330] ? __pfx_aa_file_perm+0x10/0x10 [ 110.623696][ T5330] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 110.626398][ T5330] ? preempt_schedule_thunk+0x16/0x40 [ 110.629238][ T5330] do_iter_readv_writev+0x612/0x8c0 [ 110.632047][ T5330] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 110.634663][ T5330] vfs_writev+0x343/0x990 [ 110.636652][ T5330] ? __pfx_vfs_writev+0x10/0x10 [ 110.638648][ T5330] ? __fget_files+0x2a/0x420 [ 110.640829][ T5330] ? __fget_files+0x3a2/0x420 [ 110.643778][ T5330] ? __fget_files+0x2a/0x420 [ 110.646243][ T5330] __se_sys_pwritev2+0x177/0x2a0 [ 110.648308][ T5330] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 110.650574][ T5330] ? __x64_sys_pwritev2+0x20/0xc0 [ 110.652673][ T5330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.655147][ T5330] do_syscall_64+0x174/0x580 [ 110.657069][ T5330] ? trace_irq_disable+0x3b/0x140 [ 110.659656][ T5330] ? clear_bhb_loop+0x40/0x90 [ 110.662773][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.665600][ T5330] RIP: 0033:0x7ff93379de59 [ 110.667781][ T5330] 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 [ 110.676271][ T5330] RSP: 002b:00007ff9346e2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 110.681446][ T5330] RAX: ffffffffffffffda RBX: 00007ff933a25fa0 RCX: 00007ff93379de59 [ 110.685390][ T5330] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 0000000000000008 [ 110.688627][ T5330] RBP: 00007ff933833e6f R08: 000000000000000c R09: 0000000000000004 [ 110.692068][ T5330] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 110.695824][ T5330] R13: 00007ff933a26038 R14: 00007ff933a25fa0 R15: 00007ffda41f8ac8 [ 110.699880][ T5330] [ 110.701423][ T5330] Modules linked in: [ 110.704549][ T5330] ---[ end trace 0000000000000000 ]--- [ 110.707136][ T5330] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 110.709510][ T5330] Code: e8 76 87 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 62 61 34 ff 90 0f 0b e8 5a 61 34 ff 90 0f 0b e8 52 61 34 ff 90 <0f> 0b e8 4a 61 34 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 110.718513][ T5330] RSP: 0018:ffffc90000e266a0 EFLAGS: 00010287 [ 110.721587][ T5330] RAX: ffffffff8292213e RBX: 00000000fffffffe RCX: 0000000000100000 [ 110.725070][ T5330] RDX: ffffc9000f779000 RSI: 000000000000dcf2 RDI: 000000000000dcf3 [ 110.728547][ T5330] RBP: 1ffff110084ebcef R08: ffff88804277eefb R09: 1ffff110084efddf [ 110.732021][ T5330] R10: dffffc0000000000 R11: ffffed10084efde0 R12: 0000000000000000 [ 110.735655][ T5330] R13: 0000000000000074 R14: 1ffff110084efde2 R15: ffff88804277ef10 [ 110.739326][ T5330] FS: 00007ff9346e36c0(0000) GS:ffff88808c54d000(0000) knlGS:0000000000000000 [ 110.742900][ T5330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.745507][ T5330] CR2: 0000200000000700 CR3: 0000000042e01000 CR4: 0000000000352ef0 [ 110.748319][ T5330] Kernel panic - not syncing: Fatal exception [ 110.750939][ T5330] Kernel Offset: disabled [ 110.752945][ T5330] Rebooting in 86400 seconds..