program: 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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") r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000080)='.\x00', 0x0, 0x0) r1 = inotify_init() inotify_add_watch(r1, &(0x7f0000000240)='./file0\x00', 0x4000842) getdents64(r0, &(0x7f0000000f80)=""/4096, 0x1000) r2 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) dup(r2) ioctl$FS_IOC_FSSETXATTR(r2, 0x401c5820, &(0x7f0000000100)={0x8a, 0x79c, 0x0, 0x2e6e, 0x3}) syz_mount_image$nilfs2(&(0x7f00000001c0), &(0x7f0000000a80)='./file0\x00', 0x1, &(0x7f0000000000)=ANY=[], 0x1, 0xa34, &(0x7f0000001540)="$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") r3 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0) write(r3, &(0x7f0000000540)="953820a61a166fd5dd4b4b", 0xfdef) ioctl$LOOP_GET_STATUS64(r2, 0x4c05, &(0x7f0000000200)) ioctl$USBDEVFS_DROP_PRIVILEGES(r3, 0x4004551e, &(0x7f00000000c0)=0x6) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r4, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)={{0x14}, [@NFT_MSG_NEWCHAIN={0x40, 0x3, 0xa, 0x201, 0x0, 0x0, {0x5, 0x0, 0x2}, [@NFTA_CHAIN_NAME={0x9, 0x3, 'syz1\x00'}, @NFTA_CHAIN_HANDLE={0xc, 0x2, 0x1, 0x0, 0x4}, @NFTA_CHAIN_FLAGS={0x8}, @NFTA_CHAIN_HANDLE={0xc, 0x2, 0x1, 0x0, 0x2}]}, @NFT_MSG_DELOBJ={0x14, 0x14, 0xa, 0x101, 0x0, 0x0, {0x3, 0x0, 0x6}}], {0x14, 0x10}}, 0x7c}}, 0x80) mount(&(0x7f0000000180)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./file0\x00', &(0x7f0000000080)='nilfs2\x00', 0x1000000, 0x0) [ 72.399845][ T5100] Bluetooth: hci0: command tx timeout [ 73.455751][ T5114] loop0: detected capacity change from 0 to 8 [ 73.553060][ T5114] SQUASHFS error: Unable to read directory block [631:72] [ 73.646628][ T79] [ 73.647597][ T79] ====================================================== [ 73.650281][ T79] WARNING: possible circular locking dependency detected [ 73.652842][ T79] 6.11.0-rc5-syzkaller-00148-g3b9dfd9e5936 #0 Not tainted [ 73.655385][ T79] ------------------------------------------------------ [ 73.658181][ T79] kswapd0/79 is trying to acquire lock: [ 73.660487][ T79] ffff888012a76130 (&group->mark_mutex){+.+.}-{3:3}, at: fsnotify_destroy_mark+0x38/0x3c0 [ 73.664995][ T79] [ 73.664995][ T79] but task is already holding lock: [ 73.667570][ T79] ffffffff8ea2fd60 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0xbf1/0x3720 [ 73.670301][ T79] [ 73.670301][ T79] which lock already depends on the new lock. [ 73.670301][ T79] [ 73.674041][ T79] [ 73.674041][ T79] the existing dependency chain (in reverse order) is: [ 73.677485][ T79] [ 73.677485][ T79] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 73.680280][ T79] lock_acquire+0x1ed/0x550 [ 73.682714][ T79] fs_reclaim_acquire+0x88/0x140 [ 73.685602][ T79] kmem_cache_alloc_noprof+0x3d/0x2a0 [ 73.688113][ T79] __se_sys_inotify_add_watch+0x72e/0x1070 [ 73.690600][ T79] do_syscall_64+0xf3/0x230 [ 73.692622][ T79] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.695081][ T79] [ 73.695081][ T79] -> #0 (&group->mark_mutex){+.+.}-{3:3}: [ 73.698154][ T79] validate_chain+0x18e0/0x5900 [ 73.700442][ T79] __lock_acquire+0x137a/0x2040 [ 73.702887][ T79] lock_acquire+0x1ed/0x550 [ 73.705124][ T79] __mutex_lock+0x136/0xd70 [ 73.707164][ T79] fsnotify_destroy_mark+0x38/0x3c0 [ 73.709397][ T79] fsnotify_destroy_marks+0x14a/0x660 [ 73.711780][ T79] dentry_unlink_inode+0x2e0/0x430 [ 73.714183][ T79] __dentry_kill+0x20d/0x630 [ 73.716220][ T79] shrink_kill+0xa9/0x2c0 [ 73.718206][ T79] shrink_dentry_list+0x2c0/0x5b0 [ 73.720326][ T79] prune_dcache_sb+0x10f/0x180 [ 73.722314][ T79] super_cache_scan+0x34f/0x4b0 [ 73.724170][ T79] do_shrink_slab+0x701/0x1160 [ 73.725976][ T79] shrink_slab+0x1093/0x14d0 [ 73.727806][ T79] shrink_one+0x43b/0x850 [ 73.729733][ T79] shrink_node+0x3799/0x3de0 [ 73.731907][ T79] kswapd+0x1cbc/0x3720 [ 73.733734][ T79] kthread+0x2f0/0x390 [ 73.735597][ T79] ret_from_fork+0x4b/0x80 [ 73.737425][ T79] ret_from_fork_asm+0x1a/0x30 [ 73.739138][ T79] [ 73.739138][ T79] other info that might help us debug this: [ 73.739138][ T79] [ 73.742573][ T79] Possible unsafe locking scenario: [ 73.742573][ T79] [ 73.745864][ T79] CPU0 CPU1 [ 73.748572][ T79] ---- ---- [ 73.750639][ T79] lock(fs_reclaim); [ 73.752138][ T79] lock(&group->mark_mutex); [ 73.754571][ T79] lock(fs_reclaim); [ 73.756959][ T79] lock(&group->mark_mutex); [ 73.758626][ T79] [ 73.758626][ T79] *** DEADLOCK *** [ 73.758626][ T79] [ 73.761927][ T79] 2 locks held by kswapd0/79: [ 73.763657][ T79] #0: ffffffff8ea2fd60 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0xbf1/0x3720 [ 73.766726][ T79] #1: ffff88803b4f40e0 (&type->s_umount_key#47){.+.+}-{3:3}, at: super_cache_scan+0x94/0x4b0 [ 73.770604][ T79] [ 73.770604][ T79] stack backtrace: [ 73.773089][ T79] CPU: 0 UID: 0 PID: 79 Comm: kswapd0 Not tainted 6.11.0-rc5-syzkaller-00148-g3b9dfd9e5936 #0 [ 73.778143][ T79] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 73.782348][ T79] Call Trace: [ 73.783619][ T79] [ 73.784750][ T79] dump_stack_lvl+0x241/0x360 [ 73.786552][ T79] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.788532][ T79] ? print_circular_bug+0x130/0x1a0 [ 73.790512][ T79] check_noncircular+0x36a/0x4a0 [ 73.792335][ T79] ? __pfx_check_noncircular+0x10/0x10 [ 73.794435][ T79] validate_chain+0x18e0/0x5900 [ 73.796872][ T79] ? __pfx_validate_chain+0x10/0x10 [ 73.799581][ T79] ? __pfx_validate_chain+0x10/0x10 [ 73.801860][ T79] ? __pfx_validate_chain+0x10/0x10 [ 73.803899][ T79] ? mark_lock+0x9a/0x350 [ 73.805569][ T79] __lock_acquire+0x137a/0x2040 [ 73.807326][ T79] lock_acquire+0x1ed/0x550 [ 73.808846][ T79] ? fsnotify_destroy_mark+0x38/0x3c0 [ 73.810902][ T79] ? __pfx_lock_acquire+0x10/0x10 [ 73.812809][ T79] ? __pfx___might_resched+0x10/0x10 [ 73.814820][ T79] __mutex_lock+0x136/0xd70 [ 73.816702][ T79] ? fsnotify_destroy_mark+0x38/0x3c0 [ 73.819072][ T79] ? fsnotify_destroy_mark+0x38/0x3c0 [ 73.822143][ T79] ? __pfx___mutex_lock+0x10/0x10 [ 73.824056][ T79] ? __pfx_lock_release+0x10/0x10 [ 73.826147][ T79] fsnotify_destroy_mark+0x38/0x3c0 [ 73.828144][ T79] ? fsnotify_grab_connector+0x3e/0x240 [ 73.830133][ T79] fsnotify_destroy_marks+0x14a/0x660 [ 73.832041][ T79] dentry_unlink_inode+0x2e0/0x430 [ 73.833812][ T79] __dentry_kill+0x20d/0x630 [ 73.835553][ T79] ? shrink_kill+0x8d/0x2c0 [ 73.837181][ T79] shrink_kill+0xa9/0x2c0 [ 73.838549][ T79] shrink_dentry_list+0x2c0/0x5b0 [ 73.840426][ T79] prune_dcache_sb+0x10f/0x180 [ 73.842106][ T79] ? __pfx_prune_dcache_sb+0x10/0x10 [ 73.844151][ T79] ? list_lru_count_one+0x29/0x2e0 [ 73.846165][ T79] ? list_lru_count_one+0x283/0x2e0 [ 73.848446][ T79] ? list_lru_count_one+0x29/0x2e0 [ 73.850893][ T79] super_cache_scan+0x34f/0x4b0 [ 73.853056][ T79] do_shrink_slab+0x701/0x1160 [ 73.854890][ T79] ? shrink_slab+0x12b/0x14d0 [ 73.856602][ T79] shrink_slab+0x1093/0x14d0 [ 73.858304][ T79] ? shrink_slab+0x12b/0x14d0 [ 73.860006][ T79] ? __pfx_shrink_slab+0x10/0x10 [ 73.861779][ T79] ? shrink_node+0x3547/0x3de0 [ 73.863626][ T79] ? __pfx_lock_release+0x10/0x10 [ 73.865494][ T79] shrink_one+0x43b/0x850 [ 73.867201][ T79] ? shrink_node+0x3547/0x3de0 [ 73.869314][ T79] shrink_node+0x3799/0x3de0 [ 73.871559][ T79] ? shrink_node+0x3547/0x3de0 [ 73.874046][ T79] ? __pfx_lock_acquire+0x10/0x10 [ 73.876213][ T79] ? mem_cgroup_iter+0x3a/0x560 [ 73.877946][ T79] ? __pfx_lock_release+0x10/0x10 [ 73.879718][ T79] ? __pfx_shrink_node+0x10/0x10 [ 73.881493][ T79] ? mem_cgroup_iter+0x3a/0x560 [ 73.883186][ T79] ? mem_cgroup_iter+0x3e9/0x560 [ 73.884805][ T79] ? mem_cgroup_iter+0x3a/0x560 [ 73.886517][ T79] kswapd+0x1cbc/0x3720 [ 73.887942][ T79] ? kswapd+0xbf1/0x3720 [ 73.889599][ T79] ? __pfx_kswapd+0x10/0x10 [ 73.891630][ T79] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 73.894225][ T79] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.896805][ T79] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 73.899142][ T79] ? __pfx_autoremove_wake_function+0x10/0x10 [ 73.901506][ T79] ? __kthread_parkme+0x169/0x1d0 [ 73.903303][ T79] ? __pfx_kswapd+0x10/0x10 [ 73.905035][ T79] kthread+0x2f0/0x390 [ 73.906578][ T79] ? __pfx_kswapd+0x10/0x10 [ 73.908508][ T79] ? __pfx_kthread+0x10/0x10 [ 73.910661][ T79] ret_from_fork+0x4b/0x80 [ 73.913015][ T79] ? __pfx_kthread+0x10/0x10 [ 73.915450][ T79] ret_from_fork_asm+0x1a/0x30 [ 73.917526][ T79] [ 73.936148][ T5114] /dev/loop0: Can't open blockdev