program:
r0 = syz_open_procfs$namespace(0x0, &(0x7f0000001380)='ns/cgroup\x00')
open_by_handle_at(r0, &(0x7f00000003c0)=ANY=[@ANYBLOB="20000000f10002000600000000000000000002"], 0x0)
[ 76.541714][ T1313] ieee802154 phy0 wpan0: encryption failed: -22
[ 76.544742][ T1313] ieee802154 phy1 wpan1: encryption failed: -22
[ 76.548491][ T4670] Bluetooth: hci0: command tx timeout
[ 76.613817][ T5322] ------------[ cut here ]------------
[ 76.616356][ T5322] WARNING: CPU: 0 PID: 5322 at fs/nsfs.c:493 nsfs_fh_to_dentry+0xc56/0xd50
[ 76.620608][ T5322] Modules linked in:
[ 76.622439][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 76.626513][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 76.631570][ T5322] RIP: 0010:nsfs_fh_to_dentry+0xc56/0xd50
[ 76.634123][ T5322] Code: 64 24 40 e9 41 f8 ff ff e8 17 5a 77 ff 90 0f 0b 90 e9 64 f6 ff ff e8 09 5a 77 ff 90 0f 0b 90 e9 ab f6 ff ff e8 fb 59 77 ff 90 <0f> 0b 90 e9 f3 f6 ff ff e8 ed 59 77 ff 45 31 e4 4c 8b 7c 24 08 e9
[ 76.642538][ T5322] RSP: 0018:ffffc9000d40fa40 EFLAGS: 00010283
[ 76.644996][ T5322] RAX: ffffffff8248f995 RBX: 00000000f0000014 RCX: 0000000000100000
[ 76.648288][ T5322] RDX: ffffc9000e2ba000 RSI: 000000000000003c RDI: 000000000000003d
[ 76.651686][ T5322] RBP: ffffc9000d40fb10 R08: ffffffff8f9e3177 R09: 1ffffffff1f3c62e
[ 76.654801][ T5322] R10: dffffc0000000000 R11: fffffbfff1f3c62f R12: ffffffff8248ee7c
[ 76.658219][ T5322] R13: dffffc0000000000 R14: ffff88804259f994 R15: 0000000000000000
[ 76.661929][ T5322] FS: 00007f87dc9d76c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000
[ 76.665892][ T5322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 76.668999][ T5322] CR2: 00007f758f289e9c CR3: 0000000042735000 CR4: 0000000000352ef0
[ 76.672997][ T5322] Call Trace:
[ 76.674746][ T5322]
[ 76.676303][ T5322] ? __pfx_nsfs_fh_to_dentry+0x10/0x10
[ 76.679106][ T5322] exportfs_decode_fh_raw+0x178/0x6e0
[ 76.681615][ T5322] ? __pfx_vfs_dentry_acceptable+0x10/0x10
[ 76.684263][ T5322] ? __pfx_exportfs_decode_fh_raw+0x10/0x10
[ 76.686939][ T5322] do_handle_to_path+0xa4/0x1a0
[ 76.689044][ T5322] do_handle_open+0x6b4/0x8f0
[ 76.691185][ T5322] ? __pfx_do_handle_open+0x10/0x10
[ 76.693474][ T5322] ? rcu_is_watching+0x15/0xb0
[ 76.695642][ T5322] ? do_syscall_64+0xbe/0xfa0
[ 76.697784][ T5322] do_syscall_64+0xfa/0xfa0
[ 76.700015][ T5322] ? lockdep_hardirqs_on+0x9c/0x150
[ 76.702227][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.704829][ T5322] ? clear_bhb_loop+0x60/0xb0
[ 76.706934][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.709470][ T5322] RIP: 0033:0x7f87dbb8eec9
[ 76.711631][ T5322] 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
[ 76.720087][ T5322] RSP: 002b:00007f87dc9d7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 76.723757][ T5322] RAX: ffffffffffffffda RBX: 00007f87dbde5fa0 RCX: 00007f87dbb8eec9
[ 76.727248][ T5322] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003
[ 76.731003][ T5322] RBP: 00007f87dbc11f91 R08: 0000000000000000 R09: 0000000000000000
[ 76.735515][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.738642][ T5322] R13: 00007f87dbde6038 R14: 00007f87dbde5fa0 R15: 00007ffe7e7f83c8
[ 76.741922][ T5322]
[ 76.743480][ T5322] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 76.747571][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 76.752497][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 76.757955][ T5322] Call Trace:
[ 76.759625][ T5322]
[ 76.760921][ T5322] dump_stack_lvl+0x99/0x250
[ 76.762822][ T5322] ? __asan_memcpy+0x40/0x70
[ 76.764669][ T5322] ? __pfx_dump_stack_lvl+0x10/0x10
[ 76.766539][ T5322] ? __pfx__printk+0x10/0x10
[ 76.768454][ T5322] vpanic+0x237/0x6d0
[ 76.770395][ T5322] ? __pfx_vpanic+0x10/0x10
[ 76.772456][ T5322] panic+0xb9/0xc0
[ 76.774058][ T5322] ? __pfx_panic+0x10/0x10
[ 76.775966][ T5322] __warn+0x31b/0x4b0
[ 76.777699][ T5322] ? nsfs_fh_to_dentry+0xc56/0xd50
[ 76.779942][ T5322] ? nsfs_fh_to_dentry+0xc56/0xd50
[ 76.782194][ T5322] report_bug+0x2be/0x4f0
[ 76.784051][ T5322] ? nsfs_fh_to_dentry+0xc56/0xd50
[ 76.786018][ T5322] ? nsfs_fh_to_dentry+0xc56/0xd50
[ 76.788056][ T5322] ? nsfs_fh_to_dentry+0xc58/0xd50
[ 76.790126][ T5322] handle_bug+0x84/0x160
[ 76.792027][ T5322] exc_invalid_op+0x1a/0x50
[ 76.794010][ T5322] asm_exc_invalid_op+0x1a/0x20
[ 76.796172][ T5322] RIP: 0010:nsfs_fh_to_dentry+0xc56/0xd50
[ 76.798646][ T5322] Code: 64 24 40 e9 41 f8 ff ff e8 17 5a 77 ff 90 0f 0b 90 e9 64 f6 ff ff e8 09 5a 77 ff 90 0f 0b 90 e9 ab f6 ff ff e8 fb 59 77 ff 90 <0f> 0b 90 e9 f3 f6 ff ff e8 ed 59 77 ff 45 31 e4 4c 8b 7c 24 08 e9
[ 76.806970][ T5322] RSP: 0018:ffffc9000d40fa40 EFLAGS: 00010283
[ 76.809414][ T5322] RAX: ffffffff8248f995 RBX: 00000000f0000014 RCX: 0000000000100000
[ 76.812520][ T5322] RDX: ffffc9000e2ba000 RSI: 000000000000003c RDI: 000000000000003d
[ 76.815589][ T5322] RBP: ffffc9000d40fb10 R08: ffffffff8f9e3177 R09: 1ffffffff1f3c62e
[ 76.818814][ T5322] R10: dffffc0000000000 R11: fffffbfff1f3c62f R12: ffffffff8248ee7c
[ 76.822268][ T5322] R13: dffffc0000000000 R14: ffff88804259f994 R15: 0000000000000000
[ 76.825733][ T5322] ? nsfs_fh_to_dentry+0x13c/0xd50
[ 76.828023][ T5322] ? nsfs_fh_to_dentry+0xc55/0xd50
[ 76.830301][ T5322] ? __pfx_nsfs_fh_to_dentry+0x10/0x10
[ 76.832755][ T5322] exportfs_decode_fh_raw+0x178/0x6e0
[ 76.835168][ T5322] ? __pfx_vfs_dentry_acceptable+0x10/0x10
[ 76.837714][ T5322] ? __pfx_exportfs_decode_fh_raw+0x10/0x10
[ 76.840263][ T5322] do_handle_to_path+0xa4/0x1a0
[ 76.842356][ T5322] do_handle_open+0x6b4/0x8f0
[ 76.844505][ T5322] ? __pfx_do_handle_open+0x10/0x10
[ 76.846765][ T5322] ? rcu_is_watching+0x15/0xb0
[ 76.848960][ T5322] ? do_syscall_64+0xbe/0xfa0
[ 76.851116][ T5322] do_syscall_64+0xfa/0xfa0
[ 76.853079][ T5322] ? lockdep_hardirqs_on+0x9c/0x150
[ 76.855425][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.858065][ T5322] ? clear_bhb_loop+0x60/0xb0
[ 76.860180][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.862726][ T5322] RIP: 0033:0x7f87dbb8eec9
[ 76.864746][ T5322] 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
[ 76.873303][ T5322] RSP: 002b:00007f87dc9d7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 76.876975][ T5322] RAX: ffffffffffffffda RBX: 00007f87dbde5fa0 RCX: 00007f87dbb8eec9
[ 76.880460][ T5322] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003
[ 76.883849][ T5322] RBP: 00007f87dbc11f91 R08: 0000000000000000 R09: 0000000000000000
[ 76.887304][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.890733][ T5322] R13: 00007f87dbde6038 R14: 00007f87dbde5fa0 R15: 00007ffe7e7f83c8
[ 76.894468][ T5322]
[ 76.896282][ T5322] Kernel Offset: disabled
[ 76.898237][ T5322] Rebooting in 86400 seconds..