Warning: Permanently added '[localhost]:43194' (ED25519) to the list of known hosts. executing program [ 85.578303][ T5090] loop0: detected capacity change from 0 to 32768 [ 85.597725][ T5090] ======================================================= [ 85.597725][ T5090] WARNING: The mand mount option has been deprecated and [ 85.597725][ T5090] and is ignored by this kernel. Remove the mand [ 85.597725][ T5090] option from the mount to silence this warning. [ 85.597725][ T5090] ======================================================= [ 85.648078][ T5090] XFS (loop0): DAX unsupported by block device. Turning off DAX. [ 85.662460][ T5090] XFS (loop0): Mounting V5 filesystem 9f91832a-3b79-45c3-9d6d-ed0bc7357fe4 in no-recovery mode. Filesystem will be inconsistent. [ 85.698188][ T5090] XFS (loop0): Quotacheck needed: Please wait. [ 85.732169][ T5090] XFS (loop0): Quotacheck: Done. [ 85.744905][ T80] [ 85.745935][ T80] ====================================================== [ 85.748672][ T80] WARNING: possible circular locking dependency detected [ 85.751250][ T80] 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Not tainted [ 85.754885][ T80] ------------------------------------------------------ [ 85.757498][ T80] kswapd0/80 is trying to acquire lock: [ 85.759648][ T80] ffff88803af3e7d8 (&xfs_nondir_ilock_class#3){++++}-{3:3}, at: xfs_icwalk_ag+0x120e/0x1ad0 [ 85.763682][ T80] [ 85.763682][ T80] but task is already holding lock: [ 85.766448][ T80] ffffffff8ea2fce0 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0xbb4/0x35a0 [ 85.769534][ T80] [ 85.769534][ T80] which lock already depends on the new lock. [ 85.769534][ T80] [ 85.773515][ T80] [ 85.773515][ T80] the existing dependency chain (in reverse order) is: [ 85.777094][ T80] [ 85.777094][ T80] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 85.779811][ T80] lock_acquire+0x1ed/0x550 [ 85.781763][ T80] fs_reclaim_acquire+0x88/0x140 [ 85.783886][ T80] __kmalloc_noprof+0xa9/0x400 [ 85.785958][ T80] xfs_attr_shortform_list+0x753/0x1900 [ 85.788305][ T80] xfs_attr_list+0x1d0/0x270 [ 85.790283][ T80] xfs_vn_listxattr+0x1d2/0x2c0 [ 85.792403][ T80] listxattr+0x107/0x290 [ 85.794274][ T80] __x64_sys_llistxattr+0x170/0x230 [ 85.796496][ T80] do_syscall_64+0xf3/0x230 [ 85.799250][ T80] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.801742][ T80] [ 85.801742][ T80] -> #0 (&xfs_nondir_ilock_class#3){++++}-{3:3}: [ 85.804772][ T80] validate_chain+0x18e0/0x5900 [ 85.806651][ T80] __lock_acquire+0x137a/0x2040 [ 85.808542][ T80] lock_acquire+0x1ed/0x550 [ 85.810285][ T80] down_write_nested+0xa2/0x220 [ 85.812166][ T80] xfs_icwalk_ag+0x120e/0x1ad0 [ 85.814012][ T80] xfs_reclaim_inodes_nr+0x2d4/0x3e0 [ 85.816324][ T80] super_cache_scan+0x40f/0x4b0 [ 85.818434][ T80] do_shrink_slab+0x701/0x1160 [ 85.820483][ T80] shrink_slab+0x1093/0x14d0 [ 85.822483][ T80] shrink_one+0x43b/0x850 [ 85.824394][ T80] shrink_node+0x3799/0x3de0 [ 85.826375][ T80] kswapd+0x1bcd/0x35a0 [ 85.828196][ T80] kthread+0x2f0/0x390 [ 85.829984][ T80] ret_from_fork+0x4b/0x80 [ 85.831919][ T80] ret_from_fork_asm+0x1a/0x30 [ 85.833985][ T80] [ 85.833985][ T80] other info that might help us debug this: [ 85.833985][ T80] [ 85.837865][ T80] Possible unsafe locking scenario: [ 85.837865][ T80] [ 85.840522][ T80] CPU0 CPU1 [ 85.842479][ T80] ---- ---- [ 85.844599][ T80] lock(fs_reclaim); [ 85.846194][ T80] lock(&xfs_nondir_ilock_class#3); [ 85.849228][ T80] lock(fs_reclaim); [ 85.851718][ T80] lock(&xfs_nondir_ilock_class#3); [ 85.853808][ T80] [ 85.853808][ T80] *** DEADLOCK *** [ 85.853808][ T80] [ 85.856911][ T80] 2 locks held by kswapd0/80: [ 85.858690][ T80] #0: ffffffff8ea2fce0 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0xbb4/0x35a0 [ 85.861728][ T80] #1: ffff888012a100e0 (&type->s_umount_key#44){.+.+}-{3:3}, at: super_cache_scan+0x94/0x4b0 [ 85.865598][ T80] [ 85.865598][ T80] stack backtrace: [ 85.867907][ T80] CPU: 0 UID: 0 PID: 80 Comm: kswapd0 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 [ 85.871824][ T80] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.876041][ T80] Call Trace: [ 85.877344][ T80] [ 85.878500][ T80] dump_stack_lvl+0x241/0x360 [ 85.880354][ T80] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.882309][ T80] ? print_circular_bug+0x130/0x1a0 [ 85.884275][ T80] check_noncircular+0x36a/0x4a0 [ 85.886165][ T80] ? __pfx_check_noncircular+0x10/0x10 [ 85.888286][ T80] validate_chain+0x18e0/0x5900 [ 85.890265][ T80] ? __pfx_validate_chain+0x10/0x10 [ 85.892329][ T80] ? __pfx_validate_chain+0x10/0x10 [ 85.894360][ T80] ? register_lock_class+0x102/0x980 [ 85.896251][ T80] ? __pfx_register_lock_class+0x10/0x10 [ 85.898208][ T80] ? stack_depot_save_flags+0x6e4/0x830 [ 85.900345][ T80] ? mark_lock+0x9a/0x350 [ 85.902042][ T80] __lock_acquire+0x137a/0x2040 [ 85.903982][ T80] lock_acquire+0x1ed/0x550 [ 85.905745][ T80] ? xfs_icwalk_ag+0x120e/0x1ad0 [ 85.907737][ T80] ? __pfx_lock_acquire+0x10/0x10 [ 85.909631][ T80] ? __pfx___might_resched+0x10/0x10 [ 85.911502][ T80] ? xfs_icwalk_ag+0x11fc/0x1ad0 [ 85.913244][ T80] ? __pfx_lock_release+0x10/0x10 [ 85.915034][ T80] down_write_nested+0xa2/0x220 [ 85.916773][ T80] ? xfs_icwalk_ag+0x120e/0x1ad0 [ 85.918457][ T80] ? __pfx_down_write_nested+0x10/0x10 [ 85.920243][ T80] ? xfs_icwalk_ag+0x120e/0x1ad0 [ 85.921987][ T80] ? xfs_icwalk_ag+0x120e/0x1ad0 [ 85.923802][ T80] ? xfs_ilock+0x219/0x3d0 [ 85.925566][ T80] xfs_icwalk_ag+0x120e/0x1ad0 [ 85.927437][ T80] ? __pfx_xfs_icwalk_ag+0x10/0x10 [ 85.929394][ T80] ? xfs_perag_grab_tag+0xad/0x6a0 [ 85.931343][ T80] ? __pfx_xfs_perag_grab_tag+0x10/0x10 [ 85.933438][ T80] ? xfs_reclaim_work_queue+0x1a/0x220 [ 85.935509][ T80] xfs_reclaim_inodes_nr+0x2d4/0x3e0 [ 85.937576][ T80] ? __pfx_xfs_reclaim_inodes_nr+0x10/0x10 [ 85.939652][ T80] ? list_lru_count_one+0x29/0x2e0 [ 85.941528][ T80] ? list_lru_count_one+0x283/0x2e0 [ 85.943495][ T80] ? list_lru_count_one+0x29/0x2e0 [ 85.945475][ T80] super_cache_scan+0x40f/0x4b0 [ 85.947342][ T80] do_shrink_slab+0x701/0x1160 [ 85.949200][ T80] ? shrink_slab+0x12b/0x14d0 [ 85.951035][ T80] shrink_slab+0x1093/0x14d0 [ 85.952816][ T80] ? shrink_slab+0x12b/0x14d0 [ 85.954624][ T80] ? __pfx_shrink_slab+0x10/0x10 [ 85.956523][ T80] ? shrink_node+0x3547/0x3de0 [ 85.958321][ T80] ? __pfx_lock_release+0x10/0x10 [ 85.960234][ T80] shrink_one+0x43b/0x850 [ 85.961883][ T80] ? shrink_node+0x3547/0x3de0 [ 85.963682][ T80] shrink_node+0x3799/0x3de0 [ 85.965334][ T80] ? shrink_node+0x3547/0x3de0 [ 85.966993][ T80] ? __pfx_lock_acquire+0x10/0x10 [ 85.968775][ T80] ? mem_cgroup_iter+0x3a/0x560 [ 85.970486][ T80] ? __pfx_lock_release+0x10/0x10 [ 85.972268][ T80] ? __pfx_shrink_node+0x10/0x10 [ 85.974007][ T80] ? mem_cgroup_iter+0x3a/0x560 [ 85.975724][ T80] ? mem_cgroup_iter+0x3e9/0x560 [ 85.977445][ T80] ? mem_cgroup_iter+0x3a/0x560 [ 85.979208][ T80] kswapd+0x1bcd/0x35a0 [ 85.980828][ T80] ? kswapd+0xbb4/0x35a0 [ 85.982478][ T80] ? __pfx_kswapd+0x10/0x10 [ 85.984274][ T80] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 85.986555][ T80] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 85.988908][ T80] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 85.991308][ T80] ? __pfx_autoremove_wake_function+0x10/0x10 [ 85.993634][ T80] ? __kthread_parkme+0x169/0x1d0 [ 85.995578][ T80] ? __pfx_kswapd+0x10/0x10 [ 85.997303][ T80] kthread+0x2f0/0x390 [ 85.998890][ T80] ? __pfx_kswapd+0x10/0x10 [ 86.000661][ T80] ? __pfx_kthread+0x10/0x10 [ 86.002452][ T80] ret_from_fork+0x4b/0x80 [ 86.004209][ T80] ? __pfx_kthread+0x10/0x10 [ 86.006016][ T80] ret_from_fork_asm+0x1a/0x30 [ 86.007822][ T80] executing program executing program [ 86.626516][ T53] cfg80211: failed to load regulatory.db executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program VM DIAGNOSIS: 05:11:41 Registers: info registers vcpu 0 CPU#0 RAX=000000000000006c RBX=ffffffff95254f80 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90000e561d0 R8 =ffffffff853f0bbb R9 =1ffff1100318b046 R10=dffffc0000000000 R11=ffffffff853f0b70 R12=dffffc0000000000 R13=000000000000006c R14=000000000000006c R15=00000000000003f8 RIP=ffffffff853f0bee 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 0000000000000000 ffffffff 00c00000 GS =0000 ffff888020800000 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=00007ff6353f3130 CR3=00000000123d4000 CR4=00350ef0 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=0000000000006001 Opmask01=0000000000000080 Opmask02=00000000ffffffff Opmask03=0000000000000000 Opmask04=00000000ffffffef Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000e417f38a 000000003f70cc6f ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0e35d4c0e6168879 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00ff0000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 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