Warning: Permanently added '[localhost]:57761' (ED25519) to the list of known hosts.
syzkaller login: [ 85.492187][ T5304] cgroup: Unknown subsys name 'net'
[ 85.581235][ T5304] cgroup: Unknown subsys name 'cpuset'
[ 85.586729][ T5304] cgroup: Unknown subsys name 'rlimit'
[ 85.751359][ T5306] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
executing program
[ 85.790356][ T5309] loop0: detected capacity change from 0 to 64
[ 85.830659][ T5309] ------------[ cut here ]------------
[ 85.833134][ T5309] WARNING: CPU: 0 PID: 5309 at fs/buffer.c:1186 mark_buffer_dirty+0x2a9/0x410
[ 85.836997][ T5309] Modules linked in:
[ 85.838971][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz-executor204 Not tainted 6.15.0-rc6-syzkaller-00278-g172a9d94339c #0 PREEMPT(full)
[ 85.845116][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 85.849528][ T5309] RIP: 0010:mark_buffer_dirty+0x2a9/0x410
[ 85.851771][ T5309] Code: 4c 89 f7 e8 f9 09 de ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 44 36 fc ff e8 8f 10 7c ff eb 8c e8 88 10 7c ff 90 <0f> 0b 90 e9 95 fd ff ff e8 7a 10 7c ff 90 0f 0b 90 e9 bf fd ff ff
[ 85.859523][ T5309] RSP: 0018:ffffc9000d4ef628 EFLAGS: 00010293
[ 85.861907][ T5309] RAX: ffffffff8243e168 RBX: ffff888044b08bc8 RCX: ffff88801e90a440
[ 85.865022][ T5309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 85.868308][ T5309] RBP: ffff88803ed12001 R08: ffff888044b08bcf R09: 1ffff11008961179
[ 85.871593][ T5309] R10: dffffc0000000000 R11: ffffed100896117a R12: ffff88804419f000
[ 85.875094][ T5309] R13: ffff888044ae92b8 R14: ffff888044b08bc8 R15: 000000000000000e
[ 85.878746][ T5309] FS: 000055557cc3a380(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000
[ 85.882387][ T5309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.885338][ T5309] CR2: 0000200000002000 CR3: 0000000042e72000 CR4: 0000000000352ef0
[ 85.888782][ T5309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 85.891881][ T5309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 85.895087][ T5309] Call Trace:
[ 85.896431][ T5309]
[ 85.897772][ T5309] bfs_get_block+0x5da/0xae0
[ 85.899705][ T5309] __block_write_begin_int+0x6b5/0x1900
[ 85.901914][ T5309] ? __pfx_bfs_get_block+0x10/0x10
[ 85.903953][ T5309] ? __pfx___block_write_begin_int+0x10/0x10
[ 85.906336][ T5309] ? __filemap_get_folio+0x79f/0xaf0
[ 85.908579][ T5309] ? __pfx_bfs_get_block+0x10/0x10
[ 85.910603][ T5309] block_write_begin+0x8a/0x120
[ 85.912531][ T5309] ? bfs_write_begin+0x1e/0xd0
[ 85.914496][ T5309] bfs_write_begin+0x35/0xd0
[ 85.916476][ T5309] generic_perform_write+0x2c4/0x910
[ 85.918872][ T5309] ? __pfx_generic_perform_write+0x10/0x10
[ 85.921334][ T5309] ? file_update_time+0x2da/0x490
[ 85.923591][ T5309] ? __generic_file_write_iter+0xf9/0x230
[ 85.926129][ T5309] ? generic_file_write_iter+0xfb/0x540
[ 85.928548][ T5309] generic_file_write_iter+0x10f/0x540
[ 85.930912][ T5309] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.933471][ T5309] ? __lock_acquire+0xaac/0xd20
[ 85.935562][ T5309] ? rcu_read_lock_any_held+0xb3/0x120
[ 85.937969][ T5309] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 85.940506][ T5309] vfs_write+0x548/0xa90
[ 85.942393][ T5309] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.945044][ T5309] ? __pfx_vfs_write+0x10/0x10
[ 85.947177][ T5309] ? __pfx_lock_vma_under_rcu+0x10/0x10
[ 85.949515][ T5309] ksys_write+0x145/0x250
[ 85.951329][ T5309] ? __pfx_ksys_write+0x10/0x10
[ 85.953438][ T5309] ? do_syscall_64+0xba/0x210
[ 85.955489][ T5309] do_syscall_64+0xf6/0x210
[ 85.957652][ T5309] ? clear_bhb_loop+0x60/0xb0
[ 85.959720][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.962165][ T5309] RIP: 0033:0x7fb926b7b119
[ 85.964046][ T5309] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 85.972015][ T5309] RSP: 002b:00007ffc4950bd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.975802][ T5309] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb926b7b119
[ 85.979029][ T5309] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000004
[ 85.982223][ T5309] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 85.985247][ T5309] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc4950bde0
[ 85.988675][ T5309] R13: 00007ffc4950bda0 R14: 00007fb926bc407d R15: 0000000000000000
[ 85.991959][ T5309]
[ 85.993271][ T5309] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 85.996350][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz-executor204 Not tainted 6.15.0-rc6-syzkaller-00278-g172a9d94339c #0 PREEMPT(full)
[ 86.001479][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 86.005933][ T5309] Call Trace:
[ 86.007324][ T5309]
[ 86.008589][ T5309] dump_stack_lvl+0x99/0x250
[ 86.010608][ T5309] ? __asan_memcpy+0x40/0x70
[ 86.012413][ T5309] ? __pfx_dump_stack_lvl+0x10/0x10
[ 86.014594][ T5309] ? __pfx__printk+0x10/0x10
[ 86.016495][ T5309] panic+0x2db/0x790
[ 86.018250][ T5309] ? __pfx_panic+0x10/0x10
[ 86.020216][ T5309] ? show_trace_log_lvl+0x4fb/0x550
[ 86.022475][ T5309] __warn+0x31b/0x4b0
[ 86.024182][ T5309] ? mark_buffer_dirty+0x2a9/0x410
[ 86.026422][ T5309] ? mark_buffer_dirty+0x2a9/0x410
[ 86.028664][ T5309] report_bug+0x2be/0x4f0
[ 86.030564][ T5309] ? mark_buffer_dirty+0x2a9/0x410
[ 86.032811][ T5309] ? mark_buffer_dirty+0x2a9/0x410
[ 86.034998][ T5309] ? mark_buffer_dirty+0x2ab/0x410
[ 86.037256][ T5309] handle_bug+0x84/0x160
[ 86.039111][ T5309] exc_invalid_op+0x1a/0x50
[ 86.041044][ T5309] asm_exc_invalid_op+0x1a/0x20
[ 86.043196][ T5309] RIP: 0010:mark_buffer_dirty+0x2a9/0x410
[ 86.045656][ T5309] Code: 4c 89 f7 e8 f9 09 de ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 44 36 fc ff e8 8f 10 7c ff eb 8c e8 88 10 7c ff 90 <0f> 0b 90 e9 95 fd ff ff e8 7a 10 7c ff 90 0f 0b 90 e9 bf fd ff ff
[ 86.053707][ T5309] RSP: 0018:ffffc9000d4ef628 EFLAGS: 00010293
[ 86.056360][ T5309] RAX: ffffffff8243e168 RBX: ffff888044b08bc8 RCX: ffff88801e90a440
[ 86.059748][ T5309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 86.063176][ T5309] RBP: ffff88803ed12001 R08: ffff888044b08bcf R09: 1ffff11008961179
[ 86.066697][ T5309] R10: dffffc0000000000 R11: ffffed100896117a R12: ffff88804419f000
[ 86.069974][ T5309] R13: ffff888044ae92b8 R14: ffff888044b08bc8 R15: 000000000000000e
[ 86.073411][ T5309] ? mark_buffer_dirty+0x2a8/0x410
[ 86.075678][ T5309] ? mark_buffer_dirty+0x2a8/0x410
[ 86.077954][ T5309] bfs_get_block+0x5da/0xae0
[ 86.080113][ T5309] __block_write_begin_int+0x6b5/0x1900
[ 86.082553][ T5309] ? __pfx_bfs_get_block+0x10/0x10
[ 86.084802][ T5309] ? __pfx___block_write_begin_int+0x10/0x10
[ 86.087352][ T5309] ? __filemap_get_folio+0x79f/0xaf0
[ 86.089643][ T5309] ? __pfx_bfs_get_block+0x10/0x10
[ 86.091609][ T5309] block_write_begin+0x8a/0x120
[ 86.093616][ T5309] ? bfs_write_begin+0x1e/0xd0
[ 86.095614][ T5309] bfs_write_begin+0x35/0xd0
[ 86.097606][ T5309] generic_perform_write+0x2c4/0x910
[ 86.099716][ T5309] ? __pfx_generic_perform_write+0x10/0x10
[ 86.102149][ T5309] ? file_update_time+0x2da/0x490
[ 86.104421][ T5309] ? __generic_file_write_iter+0xf9/0x230
[ 86.106809][ T5309] ? generic_file_write_iter+0xfb/0x540
[ 86.109147][ T5309] generic_file_write_iter+0x10f/0x540
[ 86.111433][ T5309] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.113993][ T5309] ? __lock_acquire+0xaac/0xd20
[ 86.116074][ T5309] ? rcu_read_lock_any_held+0xb3/0x120
[ 86.118497][ T5309] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 86.120993][ T5309] vfs_write+0x548/0xa90
[ 86.122915][ T5309] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.125440][ T5309] ? __pfx_vfs_write+0x10/0x10
[ 86.127453][ T5309] ? __pfx_lock_vma_under_rcu+0x10/0x10
[ 86.129870][ T5309] ksys_write+0x145/0x250
[ 86.131747][ T5309] ? __pfx_ksys_write+0x10/0x10
[ 86.133833][ T5309] ? do_syscall_64+0xba/0x210
[ 86.135784][ T5309] do_syscall_64+0xf6/0x210
[ 86.137697][ T5309] ? clear_bhb_loop+0x60/0xb0
[ 86.139606][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.142079][ T5309] RIP: 0033:0x7fb926b7b119
[ 86.143989][ T5309] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 86.151719][ T5309] RSP: 002b:00007ffc4950bd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 86.155199][ T5309] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb926b7b119
[ 86.158358][ T5309] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000004
[ 86.162068][ T5309] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 86.165402][ T5309] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc4950bde0
[ 86.168616][ T5309] R13: 00007ffc4950bda0 R14: 00007fb926bc407d R15: 0000000000000000
[ 86.171750][ T5309]
[ 86.173418][ T5309] Kernel Offset: disabled
[ 86.175180][ T5309] Rebooting in 86400 seconds..
VM DIAGNOSIS:
14:18:13 Registers:
info registers vcpu 0
CPU#0
RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000000 RDX=00000000000003f9
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f9 RSP=ffffc9000d4eedd0
R8 =0000000000000003 R9 =0000000000000004 R10=dffffc0000000000 R11=ffffffff853e17f0
R12=dffffc0000000000 R13=dffffc0000000000 R14=ffffffff99b55c40 R15=0000000000000000
RIP=ffffffff853e186c RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 000055557cc3a380 ffffffff 00c00000
GS =0000 ffff88808d6c2000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=0000200000002000 CR3=0000000042e72000 CR4=00352ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
Opmask00=00000000fefeffd0 Opmask01=0000000000004211 Opmask02=000000007ffeffff Opmask03=0000000000000000
Opmask04=00000000ffffefff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 44455a494c414954 494e495f43455355
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 44455a494c414954 494e495f43455355
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 006373797300313d 656c62616e650000
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff0f0e0d0c0b0a09 0807060504030201
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 6373797300313d65 6c62616e65000030
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff000000000000 ffff000000000000
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff0000ff000000 0000000000000000
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f4daed52c80
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 726f662027732527 20656c6966207325 2064657461657263 000a73253a47000a
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 574a430502560002 0540494c43055600 0541405144405746 000a56001f47000a
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00005591e5eaaa50 00005591e5e99e20 00005591e5ea5fb0 00005591e5e90340
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 003a756b733a322e 392d3533712d6370 7276633a3174633a 554d45516e76633a
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 322e392d3533712d 63707276703a2939 3030322c39484349 2b35335128435064
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7261646e6174536e 703a554d45516e76 733a302e3072623a 343130322f31302f
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 343064623a312b32 316f70627e322d33 2e36312e312d6e61 696265642d332e36
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 313731302c453631 302c353631302c34 3631302c33343130 2c323431302c3134
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4f42490054544149 00240059535f4449 00655f61635f2400 4c24004c4544004d
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000