program: syz_mount_image$bfs(&(0x7f0000000140), &(0x7f0000000100)='./bus\x00', 0x80, &(0x7f0000000180)=ANY=[], 0x1, 0xb0, &(0x7f0000000500)="$eJzs1z9KA0EcBeC3i/in0QN4hz2BIB5FrEQ7K0XIiXKVHCFtqhRp00wIky3CErKkWQLfBzPwm1fMFNO8xXb+nMekzJJym73S+/n9+3r/rnsGmuERV6fNZ+6S3Kf+gTbJ+q1mTeq83Px/9CvJzdRvBgAALtOmy+vqaO5y6APnjaoCLw8no/I06hoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACACe0CAAD//73NIaI=") mknod$loop(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000140)='./bus\x00', 0x105042, 0x1fe) rename(&(0x7f0000000000)='./bus\x00', &(0x7f0000000040)='./file0\x00') r0 = openat$misdntimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x80044940, &(0x7f0000001b00)={0x0, ""/256, 0x0, 0x0, 0x0, 0x0, ""/16, ""/16, ""/16, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$msdos(&(0x7f0000000180), &(0x7f0000000100)='.\x00', 0x1a4243c, &(0x7f0000002f80)=ANY=[@ANYRES16=r2, @ANYRESOCT, @ANYBLOB="12a4095a2aac12f0bfcb206d982e44066381388d27f14002d8d7431d3947f6399c7ff9f5193fc0398653e5a67bbb319f02bf4ac6f6ccd5acbfe1350cc3a6d2d48cf6c089ddf67171ffb3b15988e7b394c5daf3e12ca05e4dbdad7edd45f10cbc296a53a530d4c2d203ee650d5fff3a9b5aae78794fe84327e508172cdd72eeff5af4d6db9379bef20dde8e64b91d31a84ce8a7598bb78cc85108874811fc650f0520a5", @ANYRES32=r1, @ANYBLOB="7b8ae4d950a510a981c78f2246d4825535c37655327112a414ee394162b6e558c36104bc2a1b47a800a92237a6148a222bcace4f74ebf7b4d63ad663b601d02146f21caf496271e9376e3f721e48caaa194f00e137096facebc4e2574ed5d094491b637c93517ded181fdf49e2daceefb5c72f3fef86df384ff03cb9820b35f281ae9b5064199b03e8e689b35f17c7e23647ccaa01c87d80ab00757848", @ANYRES16=r1, @ANYRES16=r2, @ANYBLOB="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", @ANYRES8, @ANYRES16], 0x0, 0x0, &(0x7f0000000000)) rename(&(0x7f0000000400)='./file0\x00', &(0x7f0000000440)='./bus\x00') [ 86.140252][ T5336] loop0: detected capacity change from 0 to 64 [ 86.214168][ T5336] BFS-fs: bfs_fill_super(): loop0 is unclean, continuing [ 86.347533][ T77] [ 86.348642][ T77] ====================================================== [ 86.351805][ T77] WARNING: possible circular locking dependency detected [ 86.355052][ T77] syzkaller #0 Not tainted [ 86.356987][ T77] ------------------------------------------------------ [ 86.360039][ T77] kswapd0/77 is trying to acquire lock: [ 86.362964][ T77] ffff88803eddc6d8 (&info->bfs_lock){+.+.}-{4:4}, at: bfs_evict_inode+0x274/0x510 [ 86.367075][ T77] [ 86.367075][ T77] but task is already holding lock: [ 86.370596][ T77] ffffffff8de44f40 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0x951/0x2800 [ 86.374145][ T77] [ 86.374145][ T77] which lock already depends on the new lock. [ 86.374145][ T77] [ 86.378456][ T77] [ 86.378456][ T77] the existing dependency chain (in reverse order) is: [ 86.382215][ T77] [ 86.382215][ T77] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 86.385322][ T77] lock_acquire+0x120/0x360 [ 86.387506][ T77] fs_reclaim_acquire+0x72/0x100 [ 86.389767][ T77] kmem_cache_alloc_lru_noprof+0x4a/0x6d0 [ 86.392402][ T77] bfs_alloc_inode+0x28/0x40 [ 86.394516][ T77] alloc_inode+0x67/0x1b0 [ 86.396611][ T77] iget_locked+0x106/0x580 [ 86.398839][ T77] bfs_iget+0x28/0xaa0 [ 86.400816][ T77] bfs_lookup+0x150/0x1d0 [ 86.402789][ T77] lookup_one_qstr_excl+0x131/0x360 [ 86.405095][ T77] do_renameat2+0x3dd/0xa50 [ 86.407218][ T77] __x64_sys_rename+0x82/0x90 [ 86.409446][ T77] do_syscall_64+0xfa/0x3b0 [ 86.411689][ T77] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.414605][ T77] [ 86.414605][ T77] -> #0 (&info->bfs_lock){+.+.}-{4:4}: [ 86.417950][ T77] validate_chain+0xb9b/0x2140 [ 86.420367][ T77] __lock_acquire+0xab9/0xd20 [ 86.422812][ T77] lock_acquire+0x120/0x360 [ 86.424951][ T77] __mutex_lock+0x187/0x1350 [ 86.427135][ T77] bfs_evict_inode+0x274/0x510 [ 86.429519][ T77] evict+0x501/0x9c0 [ 86.431560][ T77] __dentry_kill+0x209/0x660 [ 86.433922][ T77] shrink_kill+0xa9/0x2c0 [ 86.436044][ T77] shrink_dentry_list+0x2e0/0x5e0 [ 86.438338][ T77] prune_dcache_sb+0x10e/0x180 [ 86.440449][ T77] super_cache_scan+0x369/0x4b0 [ 86.442664][ T77] do_shrink_slab+0x6ef/0x1110 [ 86.444840][ T77] shrink_slab+0x7ef/0x10d0 [ 86.446876][ T77] shrink_one+0x28a/0x7c0 [ 86.448806][ T77] shrink_node+0x315d/0x3780 [ 86.450994][ T77] kswapd+0x147c/0x2800 [ 86.452914][ T77] kthread+0x70e/0x8a0 [ 86.454763][ T77] ret_from_fork+0x436/0x7d0 [ 86.456894][ T77] ret_from_fork_asm+0x1a/0x30 [ 86.459273][ T77] [ 86.459273][ T77] other info that might help us debug this: [ 86.459273][ T77] [ 86.463756][ T77] Possible unsafe locking scenario: [ 86.463756][ T77] [ 86.466741][ T77] CPU0 CPU1 [ 86.468812][ T77] ---- ---- [ 86.470970][ T77] lock(fs_reclaim); [ 86.472563][ T77] lock(&info->bfs_lock); [ 86.475372][ T77] lock(fs_reclaim); [ 86.478216][ T77] lock(&info->bfs_lock); [ 86.480364][ T77] [ 86.480364][ T77] *** DEADLOCK *** [ 86.480364][ T77] [ 86.483921][ T77] 2 locks held by kswapd0/77: [ 86.485960][ T77] #0: ffffffff8de44f40 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0x951/0x2800 [ 86.489640][ T77] #1: ffff888032e600e0 (&type->s_umount_key#50){++++}-{4:4}, at: super_cache_scan+0x91/0x4b0 [ 86.494040][ T77] [ 86.494040][ T77] stack backtrace: [ 86.496576][ T77] CPU: 0 UID: 0 PID: 77 Comm: kswapd0 Not tainted syzkaller #0 PREEMPT(full) [ 86.496590][ T77] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.496597][ T77] Call Trace: [ 86.496605][ T77] [ 86.496611][ T77] dump_stack_lvl+0x189/0x250 [ 86.496627][ T77] ? __pfx_dump_stack_lvl+0x10/0x10 [ 86.496640][ T77] ? __pfx__printk+0x10/0x10 [ 86.496656][ T77] ? print_lock_name+0xde/0x100 [ 86.496670][ T77] print_circular_bug+0x2ee/0x310 [ 86.496684][ T77] check_noncircular+0x134/0x160 [ 86.496697][ T77] validate_chain+0xb9b/0x2140 [ 86.496713][ T77] __lock_acquire+0xab9/0xd20 [ 86.496725][ T77] ? bfs_evict_inode+0x274/0x510 [ 86.496737][ T77] lock_acquire+0x120/0x360 [ 86.496747][ T77] ? bfs_evict_inode+0x274/0x510 [ 86.496761][ T77] __mutex_lock+0x187/0x1350 [ 86.496773][ T77] ? bfs_evict_inode+0x274/0x510 [ 86.496785][ T77] ? __pfx___might_resched+0x10/0x10 [ 86.496796][ T77] ? do_raw_spin_lock+0x121/0x290 [ 86.496811][ T77] ? bfs_evict_inode+0x274/0x510 [ 86.496824][ T77] ? __pfx___mutex_lock+0x10/0x10 [ 86.496835][ T77] ? _raw_spin_unlock_irq+0x23/0x50 [ 86.496850][ T77] ? __bread_gfp+0xc3/0x3c0 [ 86.496860][ T77] bfs_evict_inode+0x274/0x510 [ 86.496873][ T77] ? __pfx_bfs_evict_inode+0x10/0x10 [ 86.496884][ T77] evict+0x501/0x9c0 [ 86.496898][ T77] ? __pfx_evict+0x10/0x10 [ 86.496908][ T77] ? _raw_spin_unlock+0x28/0x50 [ 86.496922][ T77] ? iput+0x946/0xc50 [ 86.496936][ T77] __dentry_kill+0x209/0x660 [ 86.496950][ T77] ? shrink_kill+0x8d/0x2c0 [ 86.496963][ T77] shrink_kill+0xa9/0x2c0 [ 86.496977][ T77] shrink_dentry_list+0x2e0/0x5e0 [ 86.496992][ T77] prune_dcache_sb+0x10e/0x180 [ 86.497006][ T77] ? __pfx_prune_dcache_sb+0x10/0x10 [ 86.497020][ T77] ? list_lru_count_one+0x27/0x2c0 [ 86.497036][ T77] ? list_lru_count_one+0x264/0x2c0 [ 86.497050][ T77] super_cache_scan+0x369/0x4b0 [ 86.497065][ T77] do_shrink_slab+0x6ef/0x1110 [ 86.497084][ T77] shrink_slab+0x7ef/0x10d0 [ 86.497099][ T77] ? shrink_slab+0x1e8/0x10d0 [ 86.497115][ T77] ? __pfx_shrink_slab+0x10/0x10 [ 86.497135][ T77] shrink_one+0x28a/0x7c0 [ 86.497150][ T77] ? shrink_node+0x2f1f/0x3780 [ 86.497164][ T77] shrink_node+0x315d/0x3780 [ 86.497180][ T77] ? shrink_node+0x2f1f/0x3780 [ 86.497195][ T77] ? __lock_acquire+0xab9/0xd20 [ 86.497207][ T77] ? percpu_ref_put+0x19/0x180 [ 86.497222][ T77] ? __pfx_shrink_node+0x10/0x10 [ 86.497235][ T77] ? percpu_ref_put+0x19/0x180 [ 86.497250][ T77] ? mem_cgroup_iter+0x420/0x460 [ 86.497259][ T77] ? mem_cgroup_iter+0x3b/0x460 [ 86.497269][ T77] kswapd+0x147c/0x2800 [ 86.497283][ T77] ? kswapd+0x951/0x2800 [ 86.497296][ T77] ? __pfx_kswapd+0x10/0x10 [ 86.497306][ T77] ? __lock_acquire+0xab9/0xd20 [ 86.497321][ T77] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 86.497336][ T77] ? _raw_spin_unlock+0x20/0x50 [ 86.497350][ T77] ? __pfx_autoremove_wake_function+0x10/0x10 [ 86.497365][ T77] ? __pfx_set_cpus_allowed_ptr+0x10/0x10 [ 86.497379][ T77] ? __kthread_parkme+0x7b/0x200 [ 86.497390][ T77] ? __kthread_parkme+0x1a1/0x200 [ 86.497403][ T77] kthread+0x70e/0x8a0 [ 86.497417][ T77] ? __pfx_kswapd+0x10/0x10 [ 86.497427][ T77] ? __pfx_kthread+0x10/0x10 [ 86.497440][ T77] ? _raw_spin_unlock_irq+0x23/0x50 [ 86.497454][ T77] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.497464][ T77] ? __pfx_kthread+0x10/0x10 [ 86.497476][ T77] ret_from_fork+0x436/0x7d0 [ 86.497497][ T77] ? __pfx_ret_from_fork+0x10/0x10 [ 86.497508][ T77] ? __pfx_kthread+0x10/0x10 [ 86.497522][ T77] ret_from_fork_asm+0x1a/0x30 [ 86.497539][ T77]