program: socket$igmp6(0xa, 0x3, 0x2) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) ioctl$SNAPSHOT_UNFREEZE(0xffffffffffffffff, 0x3302) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mprotect(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xc) r1 = socket$rds(0x15, 0x5, 0x0) setsockopt$RDS_FREE_MR(r1, 0x114, 0x3, &(0x7f0000000000)={{0x0, 0x9}}, 0x10) r2 = socket$pptp(0x18, 0x1, 0x2) bind$pptp(r2, &(0x7f0000000000)={0x18, 0x2, {0x0, @dev={0xac, 0x14, 0x14, 0x2c}}}, 0x1e) connect$pptp(r2, &(0x7f0000000040)={0x18, 0x2, {0x0, @multicast2}}, 0x1e) syz_mount_image$ocfs2(&(0x7f0000004440), &(0x7f0000004480)='./file0\x00', 0x88c2, &(0x7f0000000180)=ANY=[@ANYRESHEX=r0, @ANYRES16=r2], 0x0, 0x4462, 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mount$afs(0x0, &(0x7f00000001c0)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='dyn']) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000540)=ANY=[@ANYBLOB="1800"/16, @ANYBLOB="0000000000000000b7"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000440), 0x0, 0x0) r4 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) shutdown(r4, 0x0) r5 = dup3(r4, r3, 0x0) recvmmsg(r5, &(0x7f00000004c0)=[{{0x0, 0x0, 0x0}}], 0xf00, 0x0, 0x0) poll(&(0x7f0000000080)=[{r5, 0x8010}], 0x1, 0x8) umount2(&(0x7f00000002c0)='./file0\x00', 0x0) [ 89.273298][ T4652] Bluetooth: hci0: command tx timeout [ 89.760234][ T5325] loop0: detected capacity change from 0 to 32768 [ 89.772282][ T5325] ======================================================= [ 89.772282][ T5325] WARNING: The mand mount option has been deprecated and [ 89.772282][ T5325] and is ignored by this kernel. Remove the mand [ 89.772282][ T5325] option from the mount to silence this warning. [ 89.772282][ T5325] ======================================================= [ 89.822543][ T5325] (syz.0.0,5325,0):ocfs2_read_locked_inode:648 ERROR: bug expression: !!(fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) != !!(args->fi_flags & OCFS2_FI_FLAG_SYSFILE) [ 89.839049][ T5325] (syz.0.0,5325,0):ocfs2_read_locked_inode:648 ERROR: Inode 66: system file state is ambiguous [ 89.848819][ T5325] ------------[ cut here ]------------ [ 89.851413][ T5325] kernel BUG at fs/ocfs2/inode.c:648! [ 89.860315][ T5325] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 89.863038][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 89.866781][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 89.870719][ T5325] RIP: 0010:ocfs2_iget+0x1aa4/0x1b30 [ 89.873273][ T5325] Code: 00 4c 8b 84 24 80 01 00 00 4c 89 f7 48 c7 c6 dd ac 4b 8e ba 88 02 00 00 48 c7 c1 20 9e 34 8c e8 92 9a 16 00 41 c6 45 24 f8 90 <0f> 0b e8 c5 bd e0 fd 90 0f 0b e8 bd bd e0 fd 48 c7 c7 00 aa bb 8e [ 89.880839][ T5325] RSP: 0018:ffffc9000e5cedc0 EFLAGS: 00010246 [ 89.883352][ T5325] RAX: bed15ca6e47eb500 RBX: ffffc9000e5ceee0 RCX: bed15ca6e47eb500 [ 89.886531][ T5325] RDX: ffffc90020001000 RSI: 0000000000005170 RDI: 0000000000005171 [ 89.889776][ T5325] RBP: ffffc9000e5cf010 R08: ffffc9000e5ce9e7 R09: 1ffff92001cb9d3c [ 89.892970][ T5325] R10: dffffc0000000000 R11: fffff52001cb9d3d R12: ffff88804358142c [ 89.896115][ T5325] R13: fffff52001cb9dbc R14: ffffc9000e5cef00 R15: 1000000000000000 [ 89.899240][ T5325] FS: 00007fe3f091f6c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 89.902816][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.905407][ T5325] CR2: 0000559f6d3f1650 CR3: 0000000037cae000 CR4: 0000000000352ef0 [ 89.908673][ T5325] Call Trace: [ 89.910097][ T5325] [ 89.911332][ T5325] ? __pfx_ocfs2_iget+0x10/0x10 [ 89.913263][ T5325] ? __kasan_kmalloc+0x93/0xb0 [ 89.915259][ T5325] ? __kmalloc_cache_noprof+0x32d/0x660 [ 89.917463][ T5325] ? ocfs2_new_dlm_debug+0x96/0x1f0 [ 89.919584][ T5325] ? ocfs2_fill_super+0x44e4/0x6840 [ 89.921874][ T5325] ? get_tree_bdev_flags+0x430/0x4f0 [ 89.924128][ T5325] ? vfs_get_tree+0x92/0x2a0 [ 89.925939][ T5325] ? do_new_mount+0x319/0xdc0 [ 89.927824][ T5325] ? __se_sys_mount+0x31d/0x420 [ 89.929752][ T5325] ? do_syscall_64+0x174/0x580 [ 89.931915][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.934314][ T5325] ocfs2_init_global_system_inodes+0x16d/0x6e0 [ 89.936579][ T5325] ? __kasan_kmalloc+0x93/0xb0 [ 89.938490][ T5325] ? __kmalloc_cache_noprof+0x32d/0x660 [ 89.940637][ T5325] ? rcu_is_watching+0x15/0xb0 [ 89.942563][ T5325] ? __pfx_ocfs2_init_global_system_inodes+0x10/0x10 [ 89.945166][ T5325] ? ocfs2_new_dlm_debug+0x96/0x1f0 [ 89.947295][ T5325] ? ocfs2_new_dlm_debug+0xb4/0x1f0 [ 89.949314][ T5325] ? __pfx_ocfs2_new_dlm_debug+0x10/0x10 [ 89.951549][ T5325] ? rcu_is_watching+0x15/0xb0 [ 89.953546][ T5325] ? trace_ocfs2_initialize_super+0x8b/0x200 [ 89.955996][ T5325] ocfs2_fill_super+0x456e/0x6840 [ 89.958122][ T5325] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 89.960346][ T5325] ? rcu_is_watching+0x15/0xb0 [ 89.962360][ T5325] ? unwind_next_frame+0x8f/0x2550 [ 89.964474][ T5325] ? rcu_is_watching+0x15/0xb0 [ 89.966449][ T5325] ? __kasan_check_byte+0x12/0x40 [ 89.968431][ T5325] ? is_bpf_text_address+0x26/0x2b0 [ 89.970516][ T5325] ? rcu_is_watching+0x15/0xb0 [ 89.972467][ T5325] ? __kasan_check_byte+0x12/0x40 [ 89.974551][ T5325] ? rcu_is_watching+0x15/0xb0 [ 89.976728][ T5325] ? lock_release+0x4b/0x3c0 [ 89.978992][ T5325] ? lock_release+0x4b/0x3c0 [ 89.981189][ T5325] ? is_bpf_text_address+0x292/0x2b0 [ 89.983336][ T5325] ? is_bpf_text_address+0x26/0x2b0 [ 89.985577][ T5325] ? unwind_next_frame+0x8f/0x2550 [ 89.987670][ T5325] ? rcu_is_watching+0x15/0xb0 [ 89.989681][ T5325] ? __kasan_check_byte+0x12/0x40 [ 89.991858][ T5325] ? is_bpf_text_address+0x26/0x2b0 [ 89.994136][ T5325] ? rcu_is_watching+0x15/0xb0 [ 89.996217][ T5325] ? __kasan_check_byte+0x12/0x40 [ 89.998335][ T5325] ? rcu_is_watching+0x15/0xb0 [ 90.000391][ T5325] ? lock_release+0x4b/0x3c0 [ 90.002321][ T5325] ? lock_release+0x4b/0x3c0 [ 90.004085][ T5325] ? is_bpf_text_address+0x292/0x2b0 [ 90.006212][ T5325] ? is_bpf_text_address+0x26/0x2b0 [ 90.008453][ T5325] ? kernel_text_address+0xa5/0xe0 [ 90.010697][ T5325] ? __kernel_text_address+0xd/0x30 [ 90.012928][ T5325] ? unwind_get_return_address+0x4d/0x90 [ 90.015311][ T5325] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 90.017839][ T5325] ? arch_stack_walk+0xfb/0x150 [ 90.019865][ T5325] ? __bfs+0x153/0x290 [ 90.021600][ T5325] ? __pfx_hlock_conflict+0x10/0x10 [ 90.023853][ T5325] ? __bfs+0x153/0x290 [ 90.025492][ T5325] ? __pfx_hlock_conflict+0x10/0x10 [ 90.027616][ T5325] ? check_path+0x21/0x40 [ 90.029397][ T5325] ? check_noncircular+0xda/0x150 [ 90.031667][ T5325] ? lockdep_unlock+0x5d/0xd0 [ 90.033697][ T5325] ? __lock_acquire+0x13e8/0x2cf0 [ 90.035921][ T5325] ? __mutex_trylock_common+0x15f/0x270 [ 90.038158][ T5325] ? string+0x28a/0x2d0 [ 90.039814][ T5325] ? widen_string+0x3b/0x2a0 [ 90.041676][ T5325] ? string+0x28a/0x2d0 [ 90.043379][ T5325] ? bdev_name+0x2f0/0x450 [ 90.045283][ T5325] ? pointer+0x6f2/0x1120 [ 90.047165][ T5325] ? __pfx_pointer+0x10/0x10 [ 90.049224][ T5325] ? snprintf+0xe8/0x140 [ 90.051076][ T5325] ? __pfx_snprintf+0x10/0x10 [ 90.053085][ T5325] ? set_blocksize+0x1c9/0x440 [ 90.055129][ T5325] ? sb_set_blocksize+0x155/0x240 [ 90.057338][ T5325] ? setup_bdev_super+0x4c1/0x5b0 [ 90.059458][ T5325] get_tree_bdev_flags+0x430/0x4f0 [ 90.061426][ T5325] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 90.063599][ T5325] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 90.066026][ T5325] vfs_get_tree+0x92/0x2a0 [ 90.067864][ T5325] do_new_mount+0x319/0xdc0 [ 90.069447][ T5325] ? __pfx__printk+0x10/0x10 [ 90.071096][ T5325] ? __pfx_do_new_mount+0x10/0x10 [ 90.072911][ T5325] ? path_mount+0x647/0x1040 [ 90.074525][ T5325] ? user_path_at+0xd4/0x160 [ 90.076044][ T5325] __se_sys_mount+0x31d/0x420 [ 90.077670][ T5325] ? __pfx___se_sys_mount+0x10/0x10 [ 90.079609][ T5325] ? __x64_sys_mount+0x20/0xc0 [ 90.081429][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.083782][ T5325] do_syscall_64+0x174/0x580 [ 90.085571][ T5325] ? trace_irq_disable+0x3b/0x140 [ 90.087641][ T5325] ? clear_bhb_loop+0x40/0x90 [ 90.089513][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.092006][ T5325] RIP: 0033:0x7fe3ef99f10a [ 90.093937][ T5325] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 90.101931][ T5325] RSP: 002b:00007fe3f091ee18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.105530][ T5325] RAX: ffffffffffffffda RBX: 00007fe3f091eea0 RCX: 00007fe3ef99f10a [ 90.108831][ T5325] RDX: 0000200000004440 RSI: 0000200000004480 RDI: 00007fe3f091ee60 [ 90.112141][ T5325] RBP: 0000200000004440 R08: 00007fe3f091eea0 R09: 00000000000088c2 [ 90.115212][ T5325] R10: 00000000000088c2 R11: 0000000000000246 R12: 0000200000004480 [ 90.118305][ T5325] R13: 00007fe3f091ee60 R14: 0000000000004462 R15: 0000200000000180 [ 90.121395][ T5325] [ 90.122683][ T5325] Modules linked in: [ 90.125263][ T5325] ---[ end trace 0000000000000000 ]--- [ 90.142369][ T5325] RIP: 0010:ocfs2_iget+0x1aa4/0x1b30 [ 90.144358][ T5325] Code: 00 4c 8b 84 24 80 01 00 00 4c 89 f7 48 c7 c6 dd ac 4b 8e ba 88 02 00 00 48 c7 c1 20 9e 34 8c e8 92 9a 16 00 41 c6 45 24 f8 90 <0f> 0b e8 c5 bd e0 fd 90 0f 0b e8 bd bd e0 fd 48 c7 c7 00 aa bb 8e [ 90.151823][ T5325] RSP: 0018:ffffc9000e5cedc0 EFLAGS: 00010246 [ 90.154397][ T5325] RAX: bed15ca6e47eb500 RBX: ffffc9000e5ceee0 RCX: bed15ca6e47eb500 [ 90.158527][ T5325] RDX: ffffc90020001000 RSI: 0000000000005170 RDI: 0000000000005171 [ 90.161935][ T5325] RBP: ffffc9000e5cf010 R08: ffffc9000e5ce9e7 R09: 1ffff92001cb9d3c [ 90.165392][ T5325] R10: dffffc0000000000 R11: fffff52001cb9d3d R12: ffff88804358142c [ 90.168998][ T5325] R13: fffff52001cb9dbc R14: ffffc9000e5cef00 R15: 1000000000000000 [ 90.172347][ T5325] FS: 00007fe3f091f6c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 90.176275][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.179438][ T5325] CR2: 00007f3e3ef909c0 CR3: 0000000037cae000 CR4: 0000000000352ef0 [ 90.182761][ T5325] Kernel panic - not syncing: Fatal exception [ 90.185761][ T5325] Kernel Offset: disabled [ 90.187545][ T5325] Rebooting in 86400 seconds..