program: r0 = socket(0x400000000010, 0x3, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) (async) r1 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ptrace(0x4206, r1) (async) ptrace(0x4206, r1) tkill(r1, 0x12) (async) tkill(r1, 0x12) openat$fuse(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) syz_mount_image$ocfs2(&(0x7f0000004440), &(0x7f0000000040)='./file1\x00', 0x8c0, &(0x7f0000000100)={[{@acl}, {@heartbeat_none}, {@dir_resv_level={'dir_resv_level', 0x3d, 0x3}}, {@coherency_full}, {@coherency_full}, {@localflocks}, {@coherency_full}, {@inode64}]}, 0x1, 0x4421, 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openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) (async) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='blkio.bfq.io_service_time_recursive\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) ioctl$FS_IOC_RESVSP(r2, 0x40186f02, &(0x7f00000000c0)={0x0, 0x700, 0xfb, 0x8}) (async) ioctl$FS_IOC_RESVSP(r2, 0x40186f02, &(0x7f00000000c0)={0x0, 0x700, 0xfb, 0x8}) ptrace$cont(0x1f, r1, 0x0, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2}) (async) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2}) r5 = socket$unix(0x1, 0x1, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r6, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x0, 0x0, {0x0, 0x0, 0x0, r7, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8}}]}, 0x38}}, 0x0) r8 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x0, 0x0, {0x0, 0x0, 0x0, r9, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8}}]}, 0x38}}, 0x0) [ 58.326377][ T5320] loop0: detected capacity change from 0 to 32768 [ 58.330110][ T5320] ======================================================= [ 58.330110][ T5320] WARNING: The mand mount option has been deprecated and [ 58.330110][ T5320] and is ignored by this kernel. Remove the mand [ 58.330110][ T5320] option from the mount to silence this warning. [ 58.330110][ T5320] ======================================================= [ 58.350892][ T4671] Bluetooth: hci0: command tx timeout [ 58.397592][ T5320] JBD2: Ignoring recovery information on journal [ 58.427825][ T5320] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 58.441408][ T25] audit: type=1804 audit(1731160543.390:2): pid=5320 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz.0.0" name="/newroot/0/file1/blkio.bfq.io_service_time_recursive" dev="loop0" ino=17058 res=1 errno=0 [ 58.453663][ T5320] (syz.0.0,5320,0):ocfs2_verify_group_and_input:428 ERROR: add a group which is in the current volume. [ 58.458077][ T25] audit: type=1804 audit(1731160543.410:3): pid=5321 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz.0.0" name="/newroot/0/file1/blkio.bfq.io_service_time_recursive" dev="loop0" ino=17058 res=1 errno=0 [ 58.468031][ T5320] (syz.0.0,5320,0):ocfs2_group_add:511 ERROR: status = -22 [ 58.472283][ T5321] ------------[ cut here ]------------ [ 58.474360][ T5321] kernel BUG at fs/ocfs2/uptodate.c:509! [ 58.477370][ T25] audit: type=1804 audit(1731160543.410:4): pid=5321 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz.0.0" name="/newroot/0/file1/blkio.bfq.io_service_time_recursive" dev="loop0" ino=17058 res=1 errno=0 [ 58.486691][ T5321] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 58.490258][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00272-gda4373fbcf00 #0 [ 58.494128][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 58.497954][ T5321] RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 58.500599][ T5321] Code: 03 42 80 3c 20 00 74 08 48 89 df e8 85 82 61 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 6c bc f7 fd 90 <0f> 0b e8 64 bc f7 fd 90 0f 0b e8 5c bc f7 fd 90 0f 0b e8 54 bc f7 [ 58.507537][ T5321] RSP: 0018:ffffc9000d2b7a50 EFLAGS: 00010293 [ 58.509934][ T5321] RAX: ffffffff839d1df4 RBX: 0000000000000001 RCX: ffff88801f9b4880 [ 58.512841][ T5321] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 58.515801][ T5321] RBP: ffffc9000d2b7cf0 R08: ffffffff839d1cde R09: 1ffffffff203a13d [ 58.518765][ T5321] R10: dffffc0000000000 R11: fffffbfff203a13e R12: dffffc0000000000 [ 58.521703][ T5321] R13: 1ffff92001a56f68 R14: ffff888043e4b828 R15: ffff888043eb0830 [ 58.524564][ T5321] FS: 00007fdf677116c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 58.527930][ T5321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.530399][ T5321] CR2: 00000000200000c0 CR3: 0000000036742000 CR4: 0000000000352ef0 [ 58.533387][ T5321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.536334][ T5321] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.539345][ T5321] Call Trace: [ 58.540646][ T5321] [ 58.541804][ T5321] ? __die_body+0x5f/0xb0 [ 58.543445][ T5321] ? die+0x9e/0xc0 [ 58.544833][ T5321] ? do_trap+0x15a/0x3a0 [ 58.546560][ T5321] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 58.548849][ T5321] ? do_error_trap+0x1dc/0x2c0 [ 58.550703][ T5321] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 58.553012][ T5321] ? __pfx_do_error_trap+0x10/0x10 [ 58.555028][ T5321] ? handle_invalid_op+0x34/0x40 [ 58.556823][ T5321] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 58.559113][ T5321] ? exc_invalid_op+0x38/0x50 [ 58.560901][ T5321] ? asm_exc_invalid_op+0x1a/0x20 [ 58.562785][ T5321] ? ocfs2_set_new_buffer_uptodate+0x2e/0x160 [ 58.565084][ T5321] ? ocfs2_set_new_buffer_uptodate+0x144/0x160 [ 58.567416][ T5321] ? ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 58.569616][ T5321] ocfs2_group_add+0x39f/0x15a0 [ 58.571438][ T5321] ? __pfx_ocfs2_group_add+0x10/0x10 [ 58.573445][ T5321] ? __pfx_lock_acquire+0x10/0x10 [ 58.575408][ T5321] ? mnt_get_write_access+0x68/0x2b0 [ 58.577483][ T5321] ? __pfx_lock_release+0x10/0x10 [ 58.579336][ T5321] ? rcu_read_lock_any_held+0xb7/0x160 [ 58.581336][ T5321] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 58.583630][ T5321] ? mnt_get_write_access+0x68/0x2b0 [ 58.585606][ T5321] ? mnt_get_write_access+0x68/0x2b0 [ 58.587523][ T5321] ? mnt_get_write_access+0x226/0x2b0 [ 58.589515][ T5321] ocfs2_ioctl+0x65e/0x7d0 [ 58.591241][ T5321] ? __pfx_ocfs2_ioctl+0x10/0x10 [ 58.593072][ T5321] ? __fget_files+0x29/0x470 [ 58.594852][ T5321] ? __fget_files+0x3f3/0x470 [ 58.596572][ T5321] ? __pfx_ocfs2_ioctl+0x10/0x10 [ 58.598399][ T5321] __se_sys_ioctl+0xf9/0x170 [ 58.600099][ T5321] do_syscall_64+0xf3/0x230 [ 58.601799][ T5321] ? clear_bhb_loop+0x35/0x90 [ 58.603632][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.605856][ T5321] RIP: 0033:0x7fdf6697e719 [ 58.607563][ T5321] 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 [ 58.614692][ T5321] RSP: 002b:00007fdf67711038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.617846][ T5321] RAX: ffffffffffffffda RBX: 00007fdf66b36058 RCX: 00007fdf6697e719 [ 58.620790][ T5321] RDX: 00000000200000c0 RSI: 0000000040186f02 RDI: 0000000000000006 [ 58.623818][ T5321] RBP: 00007fdf669f139e R08: 0000000000000000 R09: 0000000000000000 [ 58.626756][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.629741][ T5321] R13: 0000000000000000 R14: 00007fdf66b36058 R15: 00007ffed19c94a8 [ 58.632691][ T5321] [ 58.633873][ T5321] Modules linked in: [ 58.635686][ T5321] ---[ end trace 0000000000000000 ]--- [ 58.677013][ T5321] RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 [ 58.689820][ T5321] Code: 03 42 80 3c 20 00 74 08 48 89 df e8 85 82 61 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 6c bc f7 fd 90 <0f> 0b e8 64 bc f7 fd 90 0f 0b e8 5c bc f7 fd 90 0f 0b e8 54 bc f7 [ 58.701553][ T5321] RSP: 0018:ffffc9000d2b7a50 EFLAGS: 00010293 [ 58.703885][ T5321] RAX: ffffffff839d1df4 RBX: 0000000000000001 RCX: ffff88801f9b4880 [ 58.707611][ T5321] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 58.710555][ T5321] RBP: ffffc9000d2b7cf0 R08: ffffffff839d1cde R09: 1ffffffff203a13d [ 58.713598][ T5321] R10: dffffc0000000000 R11: fffffbfff203a13e R12: dffffc0000000000 [ 58.717701][ T5321] R13: 1ffff92001a56f68 R14: ffff888043e4b828 R15: ffff888043eb0830 [ 58.720666][ T5321] FS: 00007fdf677116c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 58.723840][ T5321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.726987][ T5321] CR2: 00005633aaea7098 CR3: 0000000036742000 CR4: 0000000000352ef0 [ 58.730106][ T5321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.733226][ T5321] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.736464][ T5321] Kernel panic - not syncing: Fatal exception [ 58.738746][ T5321] Kernel Offset: disabled [ 58.740164][ T5321] Rebooting in 86400 seconds..