Warning: Permanently added '[localhost]:58658' (ED25519) to the list of known hosts. executing program syzkaller login: [ 83.356880][ T5310] loop0: detected capacity change from 0 to 32768 [ 83.385838][ T5310] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 83.389276][ T5310] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 83.448435][ T5310] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 83.458953][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 83.461937][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 83.514628][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 52ms [ 83.520253][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 83.523134][ T5310] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 83.750739][ T5310] gfs2: fsid=syz:syz.0: found 1 quota changes [ 83.780334][ T5309] ------------[ cut here ]------------ [ 83.783061][ T5309] WARNING: CPU: 0 PID: 5309 at ./include/linux/backing-dev.h:255 __folio_mark_dirty+0xa4f/0xeb0 [ 83.787573][ T5309] Modules linked in: [ 83.790977][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz-executor280 Not tainted 6.15.0-rc7-syzkaller-00099-g94305e83eccb #0 PREEMPT(full) [ 83.796246][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 83.800793][ T5309] RIP: 0010:__folio_mark_dirty+0xa4f/0xeb0 [ 83.803225][ T5309] Code: 48 c7 c7 c0 3e 74 8b e8 8f d0 8a ff 90 0f 0b 90 90 e9 9e f7 ff ff e8 f0 73 c6 ff 90 0f 0b 90 e9 23 fe ff ff e8 e2 73 c6 ff 90 <0f> 0b 90 e9 3e fa ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c b6 f7 [ 83.811185][ T5309] RSP: 0018:ffffc9000d0d77a8 EFLAGS: 00010093 [ 83.813790][ T5309] RAX: ffffffff81f97dee RBX: ffffea00010b8dc0 RCX: ffff88801e862440 [ 83.817069][ T5309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 83.820347][ T5309] RBP: 0000000000000001 R08: ffff8880320bccff R09: 1ffff1100641799f [ 83.823591][ T5309] R10: dffffc0000000000 R11: ffffed10064179a0 R12: ffff8880320bcb88 [ 83.826835][ T5309] R13: 1ffff1100641799f R14: 0000000000000000 R15: ffff8880320bccf8 [ 83.830244][ T5309] FS: 0000555593d0a380(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 [ 83.833951][ T5309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.836910][ T5309] CR2: 00007ffc77280b98 CR3: 00000000421e0000 CR4: 0000000000352ef0 [ 83.840245][ T5309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.843472][ T5309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.846772][ T5309] Call Trace: [ 83.848255][ T5309] <TASK> [ 83.849535][ T5309] ? __pfx_wake_up_bit+0x10/0x10 [ 83.851645][ T5309] mark_buffer_dirty+0x271/0x410 [ 83.853760][ T5309] gfs2_unpin+0x125/0x9c0 [ 83.855646][ T5309] buf_lo_after_commit+0x15e/0x1b0 [ 83.857893][ T5309] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 83.860351][ T5309] gfs2_log_flush+0x10a2/0x24c0 [ 83.862390][ T5309] ? __pfx_gfs2_log_flush+0x10/0x10 [ 83.864664][ T5309] ? do_sync+0x9cd/0xc60 [ 83.866871][ T5309] ? kfree+0x193/0x440 [ 83.869187][ T5309] do_sync+0xa1d/0xc60 [ 83.871645][ T5309] ? __pfx_do_sync+0x10/0x10 [ 83.874288][ T5309] ? do_raw_spin_unlock+0x4d/0x240 [ 83.876904][ T5309] gfs2_quota_sync+0x359/0x460 [ 83.878905][ T5309] gfs2_sync_fs+0x4c/0xb0 [ 83.880924][ T5309] sync_filesystem+0xeb/0x230 [ 83.883003][ T5309] generic_shutdown_super+0x6f/0x2c0 [ 83.885267][ T5309] kill_block_super+0x44/0x90 [ 83.887305][ T5309] deactivate_locked_super+0xb9/0x130 [ 83.889752][ T5309] cleanup_mnt+0x425/0x4c0 [ 83.891694][ T5309] ? lockdep_hardirqs_on+0x9c/0x150 [ 83.894071][ T5309] task_work_run+0x1d1/0x260 [ 83.896033][ T5309] ? __pfx_task_work_run+0x10/0x10 [ 83.898318][ T5309] resume_user_mode_work+0x5e/0x80 [ 83.900552][ T5309] syscall_exit_to_user_mode+0x9a/0x120 [ 83.903015][ T5309] do_syscall_64+0x103/0x210 [ 83.905022][ T5309] ? clear_bhb_loop+0x60/0xb0 [ 83.907065][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.909736][ T5309] RIP: 0033:0x7fa5bb1d6387 [ 83.911638][ T5309] Code: 0a 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 83.919462][ T5309] RSP: 002b:00007ffc77281348 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 83.922919][ T5309] RAX: 0000000000000000 RBX: 000000000001437c RCX: 00007fa5bb1d6387 [ 83.926245][ T5309] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc77281400 [ 83.929873][ T5309] RBP: 00007ffc77281400 R08: 0000000000000000 R09: 0000000000000000 [ 83.933285][ T5309] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc77282470 [ 83.936816][ T5309] R13: 0000555593d0b6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 83.940232][ T5309] </TASK> [ 83.941654][ T5309] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 83.944835][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz-executor280 Not tainted 6.15.0-rc7-syzkaller-00099-g94305e83eccb #0 PREEMPT(full) [ 83.950120][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 83.954912][ T5309] Call Trace: [ 83.956330][ T5309] <TASK> [ 83.957700][ T5309] dump_stack_lvl+0x99/0x250 [ 83.959850][ T5309] ? __asan_memcpy+0x40/0x70 [ 83.961852][ T5309] ? __pfx_dump_stack_lvl+0x10/0x10 [ 83.964046][ T5309] ? __pfx__printk+0x10/0x10 [ 83.965977][ T5309] panic+0x2db/0x790 [ 83.967657][ T5309] ? __pfx_panic+0x10/0x10 [ 83.969596][ T5309] ? show_trace_log_lvl+0x4fb/0x550 [ 83.971794][ T5309] __warn+0x31b/0x4b0 [ 83.973489][ T5309] ? __folio_mark_dirty+0xa4f/0xeb0 [ 83.975631][ T5309] ? __folio_mark_dirty+0xa4f/0xeb0 [ 83.977856][ T5309] report_bug+0x2be/0x4f0 [ 83.979738][ T5309] ? __folio_mark_dirty+0xa4f/0xeb0 [ 83.981846][ T5309] ? __folio_mark_dirty+0xa4f/0xeb0 [ 83.984021][ T5309] ? __folio_mark_dirty+0xa51/0xeb0 [ 83.986250][ T5309] handle_bug+0x84/0x160 [ 83.987954][ T5309] exc_invalid_op+0x1a/0x50 [ 83.989918][ T5309] asm_exc_invalid_op+0x1a/0x20 [ 83.992098][ T5309] RIP: 0010:__folio_mark_dirty+0xa4f/0xeb0 [ 83.994628][ T5309] Code: 48 c7 c7 c0 3e 74 8b e8 8f d0 8a ff 90 0f 0b 90 90 e9 9e f7 ff ff e8 f0 73 c6 ff 90 0f 0b 90 e9 23 fe ff ff e8 e2 73 c6 ff 90 <0f> 0b 90 e9 3e fa ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c b6 f7 [ 84.002870][ T5309] RSP: 0018:ffffc9000d0d77a8 EFLAGS: 00010093 [ 84.005427][ T5309] RAX: ffffffff81f97dee RBX: ffffea00010b8dc0 RCX: ffff88801e862440 [ 84.008851][ T5309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 84.012257][ T5309] RBP: 0000000000000001 R08: ffff8880320bccff R09: 1ffff1100641799f [ 84.015510][ T5309] R10: dffffc0000000000 R11: ffffed10064179a0 R12: ffff8880320bcb88 [ 84.019000][ T5309] R13: 1ffff1100641799f R14: 0000000000000000 R15: ffff8880320bccf8 [ 84.022357][ T5309] ? __folio_mark_dirty+0xa4e/0xeb0 [ 84.024682][ T5309] ? __folio_mark_dirty+0xa4e/0xeb0 [ 84.026939][ T5309] ? __pfx_wake_up_bit+0x10/0x10 [ 84.029120][ T5309] mark_buffer_dirty+0x271/0x410 [ 84.031285][ T5309] gfs2_unpin+0x125/0x9c0 [ 84.033287][ T5309] buf_lo_after_commit+0x15e/0x1b0 [ 84.035526][ T5309] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 84.038007][ T5309] gfs2_log_flush+0x10a2/0x24c0 [ 84.040171][ T5309] ? __pfx_gfs2_log_flush+0x10/0x10 [ 84.042457][ T5309] ? do_sync+0x9cd/0xc60 [ 84.044278][ T5309] ? kfree+0x193/0x440 [ 84.046101][ T5309] do_sync+0xa1d/0xc60 [ 84.047882][ T5309] ? __pfx_do_sync+0x10/0x10 [ 84.049961][ T5309] ? do_raw_spin_unlock+0x4d/0x240 [ 84.052310][ T5309] gfs2_quota_sync+0x359/0x460 [ 84.054513][ T5309] gfs2_sync_fs+0x4c/0xb0 [ 84.056383][ T5309] sync_filesystem+0xeb/0x230 [ 84.058430][ T5309] generic_shutdown_super+0x6f/0x2c0 [ 84.060663][ T5309] kill_block_super+0x44/0x90 [ 84.062705][ T5309] deactivate_locked_super+0xb9/0x130 [ 84.065003][ T5309] cleanup_mnt+0x425/0x4c0 [ 84.066882][ T5309] ? lockdep_hardirqs_on+0x9c/0x150 [ 84.069252][ T5309] task_work_run+0x1d1/0x260 [ 84.071385][ T5309] ? __pfx_task_work_run+0x10/0x10 [ 84.073621][ T5309] resume_user_mode_work+0x5e/0x80 [ 84.075847][ T5309] syscall_exit_to_user_mode+0x9a/0x120 [ 84.078299][ T5309] do_syscall_64+0x103/0x210 [ 84.080388][ T5309] ? clear_bhb_loop+0x60/0xb0 [ 84.082441][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.084995][ T5309] RIP: 0033:0x7fa5bb1d6387 [ 84.087054][ T5309] Code: 0a 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 84.095398][ T5309] RSP: 002b:00007ffc77281348 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 84.099083][ T5309] RAX: 0000000000000000 RBX: 000000000001437c RCX: 00007fa5bb1d6387 [ 84.102578][ T5309] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc77281400 [ 84.105863][ T5309] RBP: 00007ffc77281400 R08: 0000000000000000 R09: 0000000000000000 [ 84.109228][ T5309] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc77282470 [ 84.112468][ T5309] R13: 0000555593d0b6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 84.115944][ T5309] </TASK> [ 84.117618][ T5309] Kernel Offset: disabled [ 84.119535][ T5309] Rebooting in 86400 seconds.. VM DIAGNOSIS: 16:42:06 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff336ab60 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=0000000000000020 RBP=ffffffff99b55ed0 RSP=ffffc9000d0d6e90 R8 =ffff888000910237 R9 =1ffff11000122046 R10=dffffc0000000000 R11=ffffffff853e1740 R12=dffffc0000000000 R13=0000000000000000 R14=ffffffff99b55c40 R15=0000000000000000 RIP=ffffffff853e17b7 RFL=00000002 [-------] 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 0000555593d0a380 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=00007ffc77280b98 CR3=00000000421e0000 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=000000000534c002 Opmask01=0000000000040000 Opmask02=00000000ffffffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000bac2fd7b 000000006b749fb2 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 002dcfbcde5e088c ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000464833b1 84bf2b0340ed0000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000004b050000 4405000002000400 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000038ad1f31 49a5770dd43d93fe ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000001db710640 b4e5b025f7011641 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 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f6c737973007325 2e73250064252e73 2500656c6f736e6f 632f7665642f000a ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4a49565c56005600 0b56000041000b56 000040494a564b4a 460a5340410a000a ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3d64697366203a32 736667205d303133 3554205b5d393337 3035372e33382020 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2e656e6f6e203a65 646f6d2061746f75 51202e65646f6d20 6174616420646572 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6564726f20687469 77206f7220316662 3163303261333865 372d386231392d34 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6262342d37393934 2d62643663313966 34206d6574737973 656c696620646574 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6e756f6d203a2931 616473282073662d 34545845205d3154 202020205b5d3030 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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