program: r0 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r0, &(0x7f0000000480)={0x2, 0x4e24, @local}, 0x10) setsockopt$inet_int(r0, 0x0, 0x8, 0x0, 0x0) semctl$IPC_STAT(0x0, 0x0, 0x2, 0x0) syz_mount_image$ocfs2(&(0x7f0000004440), &(0x7f0000000040)='./file1\x00', 0x8c0, &(0x7f0000000080)=ANY=[@ANYBLOB='acl,heartbeat=none,dir_resv_level=00003,coherency=full,coherency=full,localflocks,coherency=full,noacl,\x00'/119], 0x1, 0x4421, &(0x7f0000004500)="$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VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVXYgWMBAAAAAGH+1lH0bQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPArAAD//z8QH1I=") r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x42, 0x0) truncate(&(0x7f0000000040)='./file1\x00', 0x1001bf8) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27ffff7, 0x4012011, r1, 0x4000) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f00000003c0)={[{@minixdf}, {@nobarrier}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@init_itable_val={'init_itable', 0x3d, 0x200}}, {@nombcache}, {@max_batch_time={'max_batch_time', 0x3d, 0x7}}]}, 0x23, 0x44d, &(0x7f0000000480)="$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") ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f00000002c0)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000000, 0x0, @usage=0x80000000000, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0xffffffff]}, {0x10000, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x2]}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.events.local\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000280), 0xfea7) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) ioctl$FS_IOC_FIEMAP(r5, 0xc020660b, &(0x7f00000000c0)) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000000000/0x18000)=nil, &(0x7f0000001800)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) [ 68.520421][ T5339] Bluetooth: hci0: command tx timeout [ 68.855371][ T5360] loop0: detected capacity change from 0 to 32768 [ 68.867278][ T5360] ======================================================= [ 68.867278][ T5360] WARNING: The mand mount option has been deprecated and [ 68.867278][ T5360] and is ignored by this kernel. Remove the mand [ 68.867278][ T5360] option from the mount to silence this warning. [ 68.867278][ T5360] ======================================================= [ 68.940107][ T5360] JBD2: Ignoring recovery information on journal [ 68.994021][ T5360] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 69.140267][ T5361] [ 69.141383][ T5361] ====================================================== [ 69.144430][ T5361] WARNING: possible circular locking dependency detected [ 69.147385][ T5361] syzkaller #0 Not tainted [ 69.149333][ T5361] ------------------------------------------------------ [ 69.152339][ T5361] syz.0.0/5361 is trying to acquire lock: [ 69.154788][ T5361] ffff8880440601e0 (&mm->mmap_lock){++++}-{4:4}, at: __might_fault+0xb0/0x130 [ 69.158654][ T5361] [ 69.158654][ T5361] but task is already holding lock: [ 69.161859][ T5361] ffff88805253cda0 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_fiemap+0x2b0/0xc90 [ 69.165885][ T5361] [ 69.165885][ T5361] which lock already depends on the new lock. [ 69.165885][ T5361] [ 69.170428][ T5361] [ 69.170428][ T5361] the existing dependency chain (in reverse order) is: [ 69.174405][ T5361] [ 69.174405][ T5361] -> #2 (&oi->ip_alloc_sem){++++}-{4:4}: [ 69.177805][ T5361] lock_acquire+0x120/0x360 [ 69.180073][ T5361] down_write+0x96/0x1f0 [ 69.182559][ T5361] ocfs2_page_mkwrite+0x2ff/0xc40 [ 69.185653][ T5361] do_page_mkwrite+0x14a/0x310 [ 69.188254][ T5361] do_wp_page+0x268d/0x5800 [ 69.190653][ T5361] __handle_mm_fault+0x1033/0x5440 [ 69.193219][ T5361] handle_mm_fault+0x40a/0x8e0 [ 69.195649][ T5361] do_user_addr_fault+0x764/0x1390 [ 69.198132][ T5361] exc_page_fault+0x76/0xf0 [ 69.200401][ T5361] asm_exc_page_fault+0x26/0x30 [ 69.202853][ T5361] [ 69.202853][ T5361] -> #1 (sb_pagefaults){.+.+}-{0:0}: [ 69.206058][ T5361] lock_acquire+0x120/0x360 [ 69.208237][ T5361] ocfs2_page_mkwrite+0x1da/0xc40 [ 69.211018][ T5361] do_page_mkwrite+0x14a/0x310 [ 69.213331][ T5361] do_wp_page+0x268d/0x5800 [ 69.215650][ T5361] __handle_mm_fault+0x1033/0x5440 [ 69.218149][ T5361] handle_mm_fault+0x40a/0x8e0 [ 69.220487][ T5361] do_user_addr_fault+0x764/0x1390 [ 69.223057][ T5361] exc_page_fault+0x76/0xf0 [ 69.225357][ T5361] asm_exc_page_fault+0x26/0x30 [ 69.227552][ T5361] [ 69.227552][ T5361] -> #0 (&mm->mmap_lock){++++}-{4:4}: [ 69.230710][ T5361] validate_chain+0xb9b/0x2140 [ 69.232821][ T5361] __lock_acquire+0xab9/0xd20 [ 69.234986][ T5361] lock_acquire+0x120/0x360 [ 69.237143][ T5361] __might_fault+0xcc/0x130 [ 69.239261][ T5361] _copy_to_user+0x2c/0xb0 [ 69.241461][ T5361] fiemap_fill_next_extent+0x1c0/0x390 [ 69.244105][ T5361] ocfs2_fiemap+0x888/0xc90 [ 69.246323][ T5361] do_vfs_ioctl+0x1170/0x1430 [ 69.248667][ T5361] __se_sys_ioctl+0x82/0x170 [ 69.251099][ T5361] do_syscall_64+0xfa/0x3b0 [ 69.253369][ T5361] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.256430][ T5361] [ 69.256430][ T5361] other info that might help us debug this: [ 69.256430][ T5361] [ 69.260821][ T5361] Chain exists of: [ 69.260821][ T5361] &mm->mmap_lock --> sb_pagefaults --> &oi->ip_alloc_sem [ 69.260821][ T5361] [ 69.266201][ T5361] Possible unsafe locking scenario: [ 69.266201][ T5361] [ 69.269432][ T5361] CPU0 CPU1 [ 69.271716][ T5361] ---- ---- [ 69.274004][ T5361] rlock(&oi->ip_alloc_sem); [ 69.276082][ T5361] lock(sb_pagefaults); [ 69.278991][ T5361] lock(&oi->ip_alloc_sem); [ 69.282040][ T5361] rlock(&mm->mmap_lock); [ 69.284106][ T5361] [ 69.284106][ T5361] *** DEADLOCK *** [ 69.284106][ T5361] [ 69.287757][ T5361] 1 lock held by syz.0.0/5361: [ 69.289843][ T5361] #0: ffff88805253cda0 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_fiemap+0x2b0/0xc90 [ 69.294918][ T5361] [ 69.294918][ T5361] stack backtrace: [ 69.297848][ T5361] CPU: 0 UID: 0 PID: 5361 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 69.297866][ T5361] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.297875][ T5361] Call Trace: [ 69.297883][ T5361] [ 69.297889][ T5361] dump_stack_lvl+0x189/0x250 [ 69.297909][ T5361] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.297921][ T5361] ? __pfx__printk+0x10/0x10 [ 69.297935][ T5361] ? print_lock_name+0xde/0x100 [ 69.297949][ T5361] print_circular_bug+0x2ee/0x310 [ 69.297961][ T5361] check_noncircular+0x134/0x160 [ 69.297974][ T5361] validate_chain+0xb9b/0x2140 [ 69.297989][ T5361] __lock_acquire+0xab9/0xd20 [ 69.298004][ T5361] ? __might_fault+0xb0/0x130 [ 69.298024][ T5361] lock_acquire+0x120/0x360 [ 69.298039][ T5361] ? __might_fault+0xb0/0x130 [ 69.298052][ T5361] ? __might_fault+0xb0/0x130 [ 69.298064][ T5361] __might_fault+0xcc/0x130 [ 69.298075][ T5361] ? __might_fault+0xb0/0x130 [ 69.298090][ T5361] _copy_to_user+0x2c/0xb0 [ 69.298102][ T5361] fiemap_fill_next_extent+0x1c0/0x390 [ 69.298117][ T5361] ? __pfx_fiemap_fill_next_extent+0x10/0x10 [ 69.298130][ T5361] ? down_read+0x1ad/0x2e0 [ 69.298142][ T5361] ocfs2_fiemap+0x888/0xc90 [ 69.298159][ T5361] ? __pfx_ocfs2_fiemap+0x10/0x10 [ 69.298176][ T5361] ? rep_movs_alternative+0x30/0x90 [ 69.298192][ T5361] do_vfs_ioctl+0x1170/0x1430 [ 69.298203][ T5361] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 69.298217][ T5361] ? __lock_acquire+0xab9/0xd20 [ 69.298236][ T5361] ? __fget_files+0x2a/0x420 [ 69.298250][ T5361] ? __fget_files+0x2a/0x420 [ 69.298263][ T5361] ? __fget_files+0x3a0/0x420 [ 69.298276][ T5361] ? __fget_files+0x2a/0x420 [ 69.298290][ T5361] ? bpf_lsm_file_ioctl+0x9/0x20 [ 69.298303][ T5361] __se_sys_ioctl+0x82/0x170 [ 69.298315][ T5361] do_syscall_64+0xfa/0x3b0 [ 69.298326][ T5361] ? lockdep_hardirqs_on+0x9c/0x150 [ 69.298343][ T5361] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.298354][ T5361] ? clear_bhb_loop+0x60/0xb0 [ 69.298367][ T5361] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.298378][ T5361] RIP: 0033:0x7f668258eba9 [ 69.298392][ T5361] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 69.298402][ T5361] RSP: 002b:00007f66833b8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.298415][ T5361] RAX: ffffffffffffffda RBX: 00007f66827d6090 RCX: 00007f668258eba9 [ 69.298425][ T5361] RDX: 00002000000000c0 RSI: 00000000c020660b RDI: 0000000000000009 [ 69.298433][ T5361] RBP: 00007f6682611e19 R08: 0000000000000000 R09: 0000000000000000 [ 69.298440][ T5361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.298447][ T5361] R13: 00007f66827d6128 R14: 00007f66827d6090 R15: 00007fff02ee0a48 [ 69.298495][ T5361]