Warning: Permanently added '[localhost]:14470' (ED25519) to the list of known hosts.
syzkaller login: [ 86.377743][ T9] cfg80211: failed to load regulatory.db
executing program
[ 86.848161][ T5101] loop0: detected capacity change from 0 to 32768
[ 86.888889][ T5101] XFS (loop0): Mounting V5 Filesystem 9f91832a-3b79-45c3-9d6d-ed0bc7357fe4
[ 86.939056][ T5101] XFS (loop0): Ending clean mount
[ 86.945158][ T5101] XFS (loop0): Quotacheck needed: Please wait.
[ 86.982374][ T5101] XFS (loop0): Quotacheck: Done.
executing program
[ 87.057262][ T80]
[ 87.058337][ T80] ======================================================
[ 87.061211][ T80] WARNING: possible circular locking dependency detected
[ 87.063809][ T80] 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Not tainted
[ 87.066739][ T80] ------------------------------------------------------
[ 87.069246][ T80] kswapd0/80 is trying to acquire lock:
[ 87.071214][ T80] ffff88803b61af98 (&xfs_nondir_ilock_class#3){++++}-{3:3}, at: xfs_icwalk_ag+0x120e/0x1ad0
[ 87.074882][ T80]
[ 87.074882][ T80] but task is already holding lock:
[ 87.077523][ T80] ffffffff8ea2fce0 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0xbb4/0x35a0
[ 87.080371][ T80]
[ 87.080371][ T80] which lock already depends on the new lock.
[ 87.080371][ T80]
[ 87.084022][ T80]
[ 87.084022][ T80] the existing dependency chain (in reverse order) is:
[ 87.088191][ T80]
[ 87.088191][ T80] -> #1 (fs_reclaim){+.+.}-{0:0}:
[ 87.091085][ T80] lock_acquire+0x1ed/0x550
[ 87.093102][ T80] fs_reclaim_acquire+0x88/0x140
[ 87.095257][ T80] __kmalloc_noprof+0xa9/0x400
[ 87.097336][ T80] xfs_attr_shortform_list+0x753/0x1900
[ 87.099730][ T80] xfs_attr_list+0x1d0/0x270
[ 87.101826][ T80] xfs_vn_listxattr+0x1d2/0x2c0
[ 87.103875][ T80] listxattr+0x107/0x290
[ 87.105772][ T80] __x64_sys_listxattr+0x173/0x230
[ 87.107938][ T80] do_syscall_64+0xf3/0x230
[ 87.110697][ T80] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.113164][ T80]
[ 87.113164][ T80] -> #0 (&xfs_nondir_ilock_class#3){++++}-{3:3}:
[ 87.116407][ T80] validate_chain+0x18e0/0x5900
[ 87.118486][ T80] __lock_acquire+0x137a/0x2040
[ 87.120529][ T80] lock_acquire+0x1ed/0x550
[ 87.122478][ T80] down_write_nested+0xa2/0x220
[ 87.124494][ T80] xfs_icwalk_ag+0x120e/0x1ad0
[ 87.126559][ T80] xfs_reclaim_inodes_nr+0x2d4/0x3e0
[ 87.128695][ T80] super_cache_scan+0x40f/0x4b0
[ 87.130634][ T80] do_shrink_slab+0x701/0x1160
[ 87.132598][ T80] shrink_slab+0x1093/0x14d0
[ 87.134557][ T80] shrink_one+0x43b/0x850
[ 87.136451][ T80] shrink_node+0x3799/0x3de0
[ 87.138453][ T80] kswapd+0x1bcd/0x35a0
[ 87.140287][ T80] kthread+0x2f0/0x390
[ 87.142084][ T80] ret_from_fork+0x4b/0x80
[ 87.143985][ T80] ret_from_fork_asm+0x1a/0x30
[ 87.146015][ T80]
[ 87.146015][ T80] other info that might help us debug this:
[ 87.146015][ T80]
[ 87.149709][ T80] Possible unsafe locking scenario:
[ 87.149709][ T80]
[ 87.152491][ T80] CPU0 CPU1
[ 87.154522][ T80] ---- ----
[ 87.156540][ T80] lock(fs_reclaim);
[ 87.158113][ T80] lock(&xfs_nondir_ilock_class#3);
[ 87.161111][ T80] lock(fs_reclaim);
[ 87.163597][ T80] lock(&xfs_nondir_ilock_class#3);
[ 87.165642][ T80]
[ 87.165642][ T80] *** DEADLOCK ***
[ 87.165642][ T80]
[ 87.168731][ T80] 2 locks held by kswapd0/80:
[ 87.170546][ T80] #0: ffffffff8ea2fce0 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0xbb4/0x35a0
[ 87.173759][ T80] #1: ffff88801b3fa0e0 (&type->s_umount_key#44){.+.+}-{3:3}, at: super_cache_scan+0x94/0x4b0
[ 87.177648][ T80]
[ 87.177648][ T80] stack backtrace:
[ 87.179964][ T80] CPU: 0 UID: 0 PID: 80 Comm: kswapd0 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0
[ 87.183876][ T80] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 87.187967][ T80] Call Trace:
[ 87.189275][ T80] <TASK>
[ 87.190422][ T80] dump_stack_lvl+0x241/0x360
[ 87.192200][ T80] ? __pfx_dump_stack_lvl+0x10/0x10
[ 87.194175][ T80] ? print_circular_bug+0x130/0x1a0
[ 87.196060][ T80] check_noncircular+0x36a/0x4a0
[ 87.198034][ T80] ? __pfx_check_noncircular+0x10/0x10
[ 87.200084][ T80] validate_chain+0x18e0/0x5900
[ 87.201992][ T80] ? __pfx_validate_chain+0x10/0x10
[ 87.204001][ T80] ? __pfx_validate_chain+0x10/0x10
[ 87.206011][ T80] ? stack_trace_save+0x118/0x1d0
[ 87.207929][ T80] ? stack_depot_save_flags+0x6e4/0x830
[ 87.210044][ T80] ? mark_lock+0x9a/0x350
[ 87.211730][ T80] __lock_acquire+0x137a/0x2040
[ 87.213557][ T80] lock_acquire+0x1ed/0x550
[ 87.215073][ T80] ? xfs_icwalk_ag+0x120e/0x1ad0
[ 87.216802][ T80] ? __pfx_lock_acquire+0x10/0x10
[ 87.218563][ T80] ? __pfx___might_resched+0x10/0x10
[ 87.220392][ T80] ? xfs_icwalk_ag+0x11fc/0x1ad0
[ 87.222152][ T80] ? __pfx_lock_release+0x10/0x10
[ 87.223877][ T80] down_write_nested+0xa2/0x220
[ 87.225565][ T80] ? xfs_icwalk_ag+0x120e/0x1ad0
[ 87.227323][ T80] ? __pfx_down_write_nested+0x10/0x10
[ 87.229475][ T80] ? xfs_icwalk_ag+0x120e/0x1ad0
[ 87.231402][ T80] ? xfs_icwalk_ag+0x120e/0x1ad0
[ 87.233315][ T80] ? xfs_ilock+0x219/0x3d0
[ 87.235061][ T80] xfs_icwalk_ag+0x120e/0x1ad0
[ 87.236950][ T80] ? __pfx_xfs_icwalk_ag+0x10/0x10
[ 87.238936][ T80] ? xfs_perag_grab_tag+0xad/0x6a0
[ 87.240956][ T80] ? __pfx_xfs_perag_grab_tag+0x10/0x10
[ 87.243082][ T80] ? xfs_reclaim_work_queue+0x1a/0x220
[ 87.245194][ T80] xfs_reclaim_inodes_nr+0x2d4/0x3e0
[ 87.247221][ T80] ? __pfx_xfs_reclaim_inodes_nr+0x10/0x10
[ 87.249395][ T80] ? list_lru_count_one+0x29/0x2e0
[ 87.251337][ T80] ? list_lru_count_one+0x283/0x2e0
[ 87.253273][ T80] ? list_lru_count_one+0x29/0x2e0
[ 87.255228][ T80] super_cache_scan+0x40f/0x4b0
[ 87.257110][ T80] do_shrink_slab+0x701/0x1160
[ 87.258964][ T80] ? shrink_slab+0x12b/0x14d0
[ 87.260797][ T80] shrink_slab+0x1093/0x14d0
[ 87.262622][ T80] ? shrink_slab+0x12b/0x14d0
[ 87.264424][ T80] ? __pfx_shrink_slab+0x10/0x10
[ 87.266305][ T80] ? shrink_node+0x3547/0x3de0
[ 87.268150][ T80] ? __pfx_lock_release+0x10/0x10
[ 87.270129][ T80] shrink_one+0x43b/0x850
[ 87.271800][ T80] ? shrink_node+0x3547/0x3de0
[ 87.273710][ T80] shrink_node+0x3799/0x3de0
[ 87.275527][ T80] ? shrink_node+0x3547/0x3de0
[ 87.277424][ T80] ? __pfx_lock_acquire+0x10/0x10
[ 87.279396][ T80] ? mem_cgroup_iter+0x3a/0x560
[ 87.281302][ T80] ? __pfx_lock_release+0x10/0x10
[ 87.283146][ T80] ? __pfx_shrink_node+0x10/0x10
[ 87.285039][ T80] ? mem_cgroup_iter+0x3a/0x560
[ 87.286946][ T80] ? mem_cgroup_iter+0x3e9/0x560
[ 87.288867][ T80] ? mem_cgroup_iter+0x3a/0x560
[ 87.290802][ T80] kswapd+0x1bcd/0x35a0
[ 87.292411][ T80] ? kswapd+0xbb4/0x35a0
[ 87.294017][ T80] ? __pfx_kswapd+0x10/0x10
[ 87.295775][ T80] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 87.298095][ T80] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 87.300533][ T80] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 87.303000][ T80] ? __pfx_autoremove_wake_function+0x10/0x10
[ 87.305321][ T80] ? __kthread_parkme+0x169/0x1d0
[ 87.307246][ T80] ? __pfx_kswapd+0x10/0x10
[ 87.309035][ T80] kthread+0x2f0/0x390
[ 87.310612][ T80] ? __pfx_kswapd+0x10/0x10
[ 87.312363][ T80] ? __pfx_kthread+0x10/0x10
[ 87.314136][ T80] ret_from_fork+0x4b/0x80
[ 87.315886][ T80] ? __pfx_kthread+0x10/0x10
[ 87.317721][ T80] ret_from_fork_asm+0x1a/0x30
[ 87.319530][ T80] </TASK>
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
executing program
executing program
VM DIAGNOSIS:
04:18:31 Registers:
info registers vcpu 0
CPU#0
RAX=0000000000000032 RBX=ffffffff95254f80 RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90000e461d0
R8 =ffffffff853f0bbb R9 =1ffff110031c2046 R10=dffffc0000000000 R11=ffffffff853f0b70
R12=dffffc0000000000 R13=0000000000000032 R14=0000000000000032 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=00007ff2b4231000 CR3=000000001e10a000 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=0000000000440401 Opmask01=0000000000000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000e417f38a 000000003f70cc6f
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 037af1dfe772e34e
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ff2bc3ce924 00007ff2bc3e2240
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
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 2525252525252525 2525252525252525 2525252525252525 2525252525252525
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 65723d73726f7272 6500747865003036 36396f7369007265 6c6c616b7a797300
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40571856574a5757 4000515d40001513 131c4a564c005740 4949444e5f5c5600
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
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