program: getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x24, &(0x7f0000000200)={@multicast1, @loopback}, &(0x7f0000000240)=0xc) syz_usb_connect$uac1(0x0, 0x71, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000000000106b1d01014000010203010902"], 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4001, 0x0, @dev={0xfe, 0x80, '\x00', 0x1b}, 0xd}, 0x1c) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) syz_mount_image$squashfs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x0, &(0x7f0000000780)=ANY=[@ANYRES16=0x0, @ANYRESHEX, @ANYRESHEX, @ANYRES32=0x0, @ANYRESDEC=0x0, @ANYRES64, @ANYBLOB="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", @ANYRES8=0x0, @ANYRES32], 0x1, 0x1d2, &(0x7f0000000580)="$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") openat$sndtimer(0xffffffffffffff9c, &(0x7f00000001c0), 0x18000) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000080)='.\x00', 0x0, 0x0) r3 = inotify_init() inotify_add_watch(r3, &(0x7f0000000240)='./file0\x00', 0x4000842) r4 = add_key$keyring(&(0x7f0000000100), &(0x7f0000000000)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) keyctl$restrict_keyring(0x1d, r4, 0x0, &(0x7f0000001a00)='\x00') syz_mount_image$nilfs2(&(0x7f0000000dc0), &(0x7f0000000e00)='./file0\x00', 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="0040ce91bae94d6591ac6d0100000000000000b5384050da"], 0x1, 0xd99, &(0x7f0000000e80)="$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") r5 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$IOCTL_VMCI_VERSION2(r5, 0x7a7, &(0x7f0000000080)=0xa0000) ioctl$IOCTL_VMCI_INIT_CONTEXT(r5, 0x7a0, &(0x7f00000002c0)={@host, 0x1}) r6 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file0/file0\x00', 0x105042, 0x1fe) mmap$IORING_OFF_SQ_RING(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x4, 0x11, r6, 0x0) ioctl$IOCTL_VMCI_QUEUEPAIR_SETPF(r5, 0x7a9, &(0x7f0000000100)={{@hyper, 0xf}, 0x54c, 0x0, 0xfffffffffffffffe, 0x9, 0xff, 0xc90, 0x9, 0x3}) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) write$binfmt_script(r1, &(0x7f0000000200), 0xfffffd9d) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000500)='hybla\x00', 0x6) sendfile(r0, r1, 0x0, 0x8000002b) add_key$user(&(0x7f00000000c0), &(0x7f0000000180)={'syz', 0x2}, &(0x7f0000000300)="22efa8d95ece5309aa1e3caab09055de5255bd2923a74c926d1dd29eb2617b04eb52cac53153fabd923258d00bd2c45910e82a8633466669419319d51c50f528d2ed8f3c0177f1e09cf4a17a1dfc374a", 0x50, 0xfffffffffffffffd) [ 79.755557][ T5093] Bluetooth: hci0: command tx timeout [ 80.932950][ T5101] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 81.112761][ T5101] usb 5-1: Using ep0 maxpacket: 16 [ 81.117856][ T5101] usb 5-1: config 0 has no interfaces? [ 81.123282][ T5101] usb 5-1: New USB device found, idVendor=1d6b, idProduct=0101, bcdDevice= 0.40 [ 81.126749][ T5101] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 81.129845][ T5101] usb 5-1: Product: syz [ 81.132950][ T5101] usb 5-1: Manufacturer: syz [ 81.134767][ T5101] usb 5-1: SerialNumber: syz [ 81.157319][ T5101] usb 5-1: config 0 descriptor?? [ 81.417060][ T5108] loop0: detected capacity change from 0 to 8 [ 81.565438][ T5108] Context (ID=0x10) not attached to queue pair (handle=0x0:0xf) [ 81.569175][ T76] [ 81.570067][ T76] ====================================================== [ 81.572511][ T76] WARNING: possible circular locking dependency detected [ 81.574976][ T76] 6.11.0-rc7-syzkaller-00021-g7c6a3a65ace7 #0 Not tainted [ 81.577615][ T76] ------------------------------------------------------ [ 81.580074][ T76] kswapd0/76 is trying to acquire lock: [ 81.582190][ T76] ffff888012323930 (&group->mark_mutex){+.+.}-{3:3}, at: fsnotify_destroy_mark+0x38/0x3c0 [ 81.586045][ T76] [ 81.586045][ T76] but task is already holding lock: [ 81.588797][ T76] ffffffff8ea2fde0 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0xbf1/0x3720 [ 81.591681][ T76] [ 81.591681][ T76] which lock already depends on the new lock. [ 81.591681][ T76] [ 81.595273][ T76] [ 81.595273][ T76] the existing dependency chain (in reverse order) is: [ 81.598606][ T76] [ 81.598606][ T76] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 81.601006][ T76] lock_acquire+0x1ed/0x550 [ 81.602521][ T76] fs_reclaim_acquire+0x88/0x140 [ 81.604122][ T76] kmem_cache_alloc_noprof+0x3d/0x2a0 [ 81.605910][ T76] __se_sys_inotify_add_watch+0x72e/0x1070 [ 81.608540][ T76] do_syscall_64+0xf3/0x230 [ 81.610721][ T76] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.613334][ T76] [ 81.613334][ T76] -> #0 (&group->mark_mutex){+.+.}-{3:3}: [ 81.616728][ T76] validate_chain+0x18e0/0x5900 [ 81.619121][ T76] __lock_acquire+0x137a/0x2040 [ 81.621513][ T76] lock_acquire+0x1ed/0x550 [ 81.623408][ T76] __mutex_lock+0x136/0xd70 [ 81.625379][ T76] fsnotify_destroy_mark+0x38/0x3c0 [ 81.627606][ T76] fsnotify_destroy_marks+0x14a/0x660 [ 81.629989][ T76] dentry_unlink_inode+0x2e0/0x430 [ 81.632193][ T76] __dentry_kill+0x20d/0x630 [ 81.634080][ T76] shrink_kill+0xa9/0x2c0 [ 81.635882][ T76] shrink_dentry_list+0x2c0/0x5b0 [ 81.638062][ T76] prune_dcache_sb+0x10f/0x180 [ 81.640221][ T76] super_cache_scan+0x34f/0x4b0 [ 81.642439][ T76] do_shrink_slab+0x701/0x1160 [ 81.644558][ T76] shrink_slab+0x1093/0x14d0 [ 81.646515][ T76] shrink_one+0x43b/0x850 [ 81.648491][ T76] shrink_node+0x3799/0x3de0 [ 81.650501][ T76] kswapd+0x1cbc/0x3720 [ 81.652108][ T76] kthread+0x2f0/0x390 [ 81.653677][ T76] ret_from_fork+0x4b/0x80 [ 81.655521][ T76] ret_from_fork_asm+0x1a/0x30 [ 81.657559][ T76] [ 81.657559][ T76] other info that might help us debug this: [ 81.657559][ T76] [ 81.661361][ T76] Possible unsafe locking scenario: [ 81.661361][ T76] [ 81.664098][ T76] CPU0 CPU1 [ 81.666045][ T76] ---- ---- [ 81.668007][ T76] lock(fs_reclaim); [ 81.669534][ T76] lock(&group->mark_mutex); [ 81.672200][ T76] lock(fs_reclaim); [ 81.674568][ T76] lock(&group->mark_mutex); [ 81.676478][ T76] [ 81.676478][ T76] *** DEADLOCK *** [ 81.676478][ T76] [ 81.679532][ T76] 2 locks held by kswapd0/76: [ 81.681266][ T76] #0: ffffffff8ea2fde0 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0xbf1/0x3720 [ 81.684390][ T76] #1: ffff888040a120e0 (&type->s_umount_key#47){.+.+}-{3:3}, at: super_cache_scan+0x94/0x4b0 [ 81.688257][ T76] [ 81.688257][ T76] stack backtrace: [ 81.690469][ T76] CPU: 0 UID: 0 PID: 76 Comm: kswapd0 Not tainted 6.11.0-rc7-syzkaller-00021-g7c6a3a65ace7 #0 [ 81.694258][ T76] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 81.698386][ T76] Call Trace: [ 81.699778][ T76] [ 81.700987][ T76] dump_stack_lvl+0x241/0x360 [ 81.702856][ T76] ? __pfx_dump_stack_lvl+0x10/0x10 [ 81.704945][ T76] ? print_circular_bug+0x130/0x1a0 [ 81.706977][ T76] check_noncircular+0x36a/0x4a0 [ 81.708977][ T76] ? __pfx_check_noncircular+0x10/0x10 [ 81.710903][ T76] validate_chain+0x18e0/0x5900 [ 81.712853][ T76] ? __pfx_validate_chain+0x10/0x10 [ 81.714795][ T76] ? __pfx_validate_chain+0x10/0x10 [ 81.716863][ T76] ? __pfx_validate_chain+0x10/0x10 [ 81.718848][ T76] ? mark_lock+0x9a/0x350 [ 81.720686][ T76] __lock_acquire+0x137a/0x2040 [ 81.722695][ T76] lock_acquire+0x1ed/0x550 [ 81.724519][ T76] ? fsnotify_destroy_mark+0x38/0x3c0 [ 81.726622][ T76] ? __pfx_lock_acquire+0x10/0x10 [ 81.728703][ T76] ? __pfx___might_resched+0x10/0x10 [ 81.730961][ T76] __mutex_lock+0x136/0xd70 [ 81.732772][ T76] ? fsnotify_destroy_mark+0x38/0x3c0 [ 81.734852][ T76] ? fsnotify_destroy_mark+0x38/0x3c0 [ 81.737012][ T76] ? __pfx___mutex_lock+0x10/0x10 [ 81.738951][ T76] ? __pfx_lock_release+0x10/0x10 [ 81.740886][ T76] fsnotify_destroy_mark+0x38/0x3c0 [ 81.743129][ T76] ? fsnotify_grab_connector+0x3e/0x240 [ 81.745285][ T76] fsnotify_destroy_marks+0x14a/0x660 [ 81.747352][ T76] dentry_unlink_inode+0x2e0/0x430 [ 81.748994][ T76] __dentry_kill+0x20d/0x630 [ 81.750619][ T76] ? shrink_kill+0x8d/0x2c0 [ 81.752258][ T76] shrink_kill+0xa9/0x2c0 [ 81.753855][ T76] shrink_dentry_list+0x2c0/0x5b0 [ 81.755974][ T76] prune_dcache_sb+0x10f/0x180 [ 81.757815][ T76] ? __pfx_prune_dcache_sb+0x10/0x10 [ 81.759662][ T76] ? list_lru_count_one+0x29/0x2e0 [ 81.761422][ T76] ? list_lru_count_one+0x283/0x2e0 [ 81.763139][ T76] ? list_lru_count_one+0x29/0x2e0 [ 81.765080][ T76] super_cache_scan+0x34f/0x4b0 [ 81.766861][ T76] do_shrink_slab+0x701/0x1160 [ 81.768637][ T76] ? shrink_slab+0x12b/0x14d0 [ 81.770459][ T76] shrink_slab+0x1093/0x14d0 [ 81.771997][ T76] ? shrink_slab+0x12b/0x14d0 [ 81.773564][ T76] ? __pfx_shrink_slab+0x10/0x10 [ 81.775246][ T76] ? shrink_node+0x3547/0x3de0 [ 81.777194][ T76] ? __pfx_lock_release+0x10/0x10 [ 81.778895][ T76] shrink_one+0x43b/0x850 [ 81.780396][ T76] ? shrink_node+0x3547/0x3de0 [ 81.782358][ T76] shrink_node+0x3799/0x3de0 [ 81.784288][ T76] ? shrink_node+0x3547/0x3de0 [ 81.786038][ T76] ? __pfx_lock_acquire+0x10/0x10 [ 81.787972][ T76] ? mem_cgroup_iter+0x3a/0x560 [ 81.789595][ T76] ? __pfx_lock_release+0x10/0x10 [ 81.791494][ T76] ? __pfx_shrink_node+0x10/0x10 [ 81.793605][ T76] ? mem_cgroup_iter+0x3a/0x560 [ 81.795431][ T76] ? mem_cgroup_iter+0x3e9/0x560 [ 81.797365][ T76] ? mem_cgroup_iter+0x3a/0x560 [ 81.799401][ T76] kswapd+0x1cbc/0x3720 [ 81.800981][ T76] ? kswapd+0xbf1/0x3720 [ 81.802552][ T76] ? __pfx_kswapd+0x10/0x10 [ 81.804430][ T76] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 81.806506][ T76] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 81.808725][ T76] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 81.810798][ T76] ? __pfx_autoremove_wake_function+0x10/0x10 [ 81.812817][ T76] ? __kthread_parkme+0x169/0x1d0 [ 81.814705][ T76] ? __pfx_kswapd+0x10/0x10 [ 81.816413][ T76] kthread+0x2f0/0x390 [ 81.817971][ T76] ? __pfx_kswapd+0x10/0x10 [ 81.819693][ T76] ? __pfx_kthread+0x10/0x10 [ 81.821472][ T76] ret_from_fork+0x4b/0x80 [ 81.823281][ T76] ? __pfx_kthread+0x10/0x10 [ 81.825097][ T76] ret_from_fork_asm+0x1a/0x30 [ 81.826850][ T76] [ 81.829066][ T5108] SQUASHFS error: Unable to read directory block [631:72] [ 81.835540][ T5093] Bluetooth: hci0: command tx timeout [ 82.257763][ T5101] usb 5-1: USB disconnect, device number 2