program: capset(&(0x7f0000000100)={0x20080522}, &(0x7f0000000140)) bpf$PROG_LOAD(0x5, &(0x7f00000017c0)={0x1, 0xe, &(0x7f0000000c00)=ANY=[@ANYBLOB="b7000000ff020000bfa300000000000007030000f0ffffff620af0fff8ffffff71a4f0ff000000002d040200000000001d400200000000004604000001ed000062030000000000001d440000000000007a0a00fe00ffffffc3030000f1000000b5000000000000009500000000000000023bc065b58111c6dfa041b63af4a3912435f1a864a710e4d58db6a693002e7f3be361917adef6ee1c8a2a4f8ef1e50becb19bc461e91a7168c50000000190f32050e436fe275daf51efd601b6bf01c8e8b1b526375ec4dd6fcd82e4fee5bef7af9aa0d7d600c095199fe3ff3128e599b0eaebbdbd732c9cc00eec363e4a8f6456e2cc21557c0afc646cb7798b3e6440c2fbdb00c37dfca3e35208b0bb0d2cd829e654400e2438ec649dc74a28610643a98d9ec21ead2ed51b104d4d91af25b845d8a7925c3109b151b8b9f75dd08d123deda88c658d42ecbf28bf7076c15b463bebba2c598b4fc72f526d8e8afcb913466aaa7f6df70252e79166d858fcd0e06dd31af9612f2460d0b11008e59a5923906f88b53987ad1714e72ba7a54f0c33d39000d06a59ff616236fd9aa58f2477184b6a89adaf17b0a6041bdef728d236619074d6ebdfd1f5089048ddff6da40f9411fe722631cb467600ade70063e5291569b33d21dae356e1c51f03a801be8189679a16da18ec0ae564162a27afea62d84f3a10746443d6438e959532e0617d419c6bc6ea9f2bca4464f56e24e6d2105bd901204a1deeed4155617572652d950ad31928b0b0c3dc2869f478341d02d0f5ad94b081fcd507acb4b9c65fee9d5a17f48a7382f13d000000225d85ae49cee383dc5049076b989b40000000000000da60d2ae20cfb91d6a49964757cdf538f9ce2bdb1ab062cd54e67011d355d84ce97bb0c6b4a595e487efbb2d71cde2c140952f9a0f0bc6980fe78683ac5c0c31032599ddd71063be9261b2e1aab1675b34a22048ef8c126aeef5f510a8f1aded94a129e4aec6f8d9ab06faffc3a15d96c2ea3e2e04cfe031b2875353193f82ade69d0540059fe6c7fe7cd8697502c7596566d674e425da5e87e59602a9f6590521d31d3804b3e0a1053abdc31282dfb15eb6841bb64a1b304502dda787343ce3c953992e4a982f3c48153baae244e7bf37548c7f1a4cad2422ee965a38f7defbd2160242b104e20dc2d9b0c35608d402ccdd9069bd50b994fda7a9de44028d6112a0c2d21b2dc98816106dec28eaeb883418f562ae00003ea96d10f172c0374d6eed826416050000000bfe9b4a9c5a90ff59d54d1f92ecc4e95dd2d18383117c039862198899b212c55318294270a1ad10c80fef7c24d47afce829ba0f85da6d888f18ea40ab959f6074ab2a40d85d15017ab513cdc6c0e57fb1c1ca571380d7b4ead35a385e0b4a26b702396df7e0465f2f994114f244a9bf93f04bf072f0861f7580e69db384ac7eeedcf2ba1a9508f9d6aba582a896a9f1ffa968eacea75caf822a7a63ba34015ea5aacb1188883ad2a3b1832371fe5bc621426d1ed0a4a99702cc1b6912a1e717d29135753208165b9cdbae2ed9dc7358f0ebadde0b727f27feeb744ddcc536cbae315c7d1fe1399562ba6824840b08000000f6f2f9a6a8346962a350845ffa0d829e4f79adc287906943408e6df3c3bfd03aac93df8866fb010aec0e92bed1fe39af169d2a466f0db6f3d9436a7d55fc30511d00000000c95265b2bd83d64a532869d701723fedcbada1ee7baa5b6a686b50f0937f778af083e055f6138a757ebd0ed93517a6b244f9acf41ac5d73a008364e0606a594817031fc2f52c8785fe0721719b3d654026c6ea08b83b123145ab5703dad844ceb201ddeb6dc5f6a903792283c42efc54fa84323afc4c10eff462c8843187f1dd48ef3fa293774d582956ff0f40b10ca94f6feeb2893c17888e1cdba94a6ea80c33ead5722c3293a493f1479531dd88261458f40d31fe8df15efaaeea831555877f9538d6ee6ba65893ff1f908ba7554ba583fef3ec7932f5954f31a878e2fae6691d1aee1da02ba516467df3e7d1daac43738012e4fee18a22da19fcdb4c2890cda1f96b952511e3a69d694d625e0b2f808890205f3a6da2819d2f9e77c7c64affa54fec0136cbafa5f62e96753b639a924599c1f69219927ea5301fff0a6063d427f0688430754c02180d61542c25000000000000000005a7b57f03ca91a01ba2e30ca99e8ebc15ecb4d91675767999d146aef7799738b292fd640dfef6b04d086f737a159d7e0c6e4d81ad64a8bbca48568325b2969e2b15f36b788bce5ccdbaf75c94cb93499f6947a967a7bce14c6de4e7c0660d80010f5c653d22d49030a8c2a4ab595bf4238f18ca428dafc7ac96d404607a0000000051a2104f22e6db5a62b5089c1b45282d38864daa3ae81d6b0968d1d2867b91b7d120617d12d91db2633d6864da40b54783a17aaeb6737c323f9f98e354cc98dcfe23ad01bd1c61563e69ffe1c2c73e1661261173f359e93d2c5e424c17998809ec8f0232b3955e052a4cecd89008f70314a0bdd491ec86a4555d89fe0120f64c62e8e3ed8bcb45202c3d4bbec8d722824c0ebca8db1ea4a003d2fbdc1f9be78537756ab5bbe4fe9af5d785d0128171c90d9900ce2532b0f9d01c4b45294fbba468df3e1b393cb4e62e754598e47df6bd06431c94bc5d047899fd219f448bf9189c65c9d91eda6b52a373803a9efe44f86909bc90addb7b9aee813df534aac4b3093c91b8068cd849904568916694d461b76a58d88cf0f520310a1e9fdc18cde98d662eee077515d0a8811922929e085392ab3d1311b8243266d87047f601fa88a0da36b9f302e82623951743283070744f143fdec90ba5a82668d5fac114c13955ad6dca5db2231d8ba14c54c47ed04a4b4ace17e357e1d6432399f87a7a14245bbd796a09313b247b95d37ff40a404bdad74bd20000000000000000000099fef7cd7af3ce64a92f95d89d125b1e641240d7e5e27a3d1f7684448c3e3822d617e205061298b939a191be4b48e169bde2cae3accc5bd40a2968b59c93d35f8e42366fdef9a2abae1cf01ce68abff28861aac8302d268569dd42e194e330c7aaa54ebbcefd23f21ce8153b9926e12e925cb56119df72c7533a48d028ad0c74e2a9478fa3be18a1a2b65079cc1c7bc46dd12305a1ae9dd19e8d525206c0a728cfd42193abe8130b51d6c9b94c5513df2d85e8c01a2d69841f3d7799ac04bdc590bb1c89b9c695f163e57343c9bfb59909433c9001c5f8b23e38534a538fc933cac6c2a92d038df638a0f226df9fb857bd414c2cd69985e8053e3dfa41614d7c74d04d8c2471041d17c730fad28395f8d4688898cd58b9d600c851626529bb58aa364b55e73f053450665e7b94ad1012fd7a8139166fd5e59c84f4ab279b1b99c028db4cb9680c8035f967db18de738844da7e260a830c1ffa49f5af3c15423a0e315acb82a3e89218cb314e68fda4d94aa1d815babc13b9fd336d205c5913ef670000000000000000ba470bfe62fe2933082149d42e8a00a5b4f7e9ad0500000000000000"], &(0x7f00000001c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xfffffffffffffd64, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x4c831, 0xffffffffffffffff, 0x0) r0 = io_uring_setup(0x1694, &(0x7f0000000080)) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=@newqdisc={0x24, 0x24, 0x3fe3aa0262d8c583, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0x2}, {0xffff, 0xffff}}}, 0x24}}, 0x0) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000002700)={0x1000000000000212, 0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000480)=""/264, 0xf9}, {&(0x7f00000015c0)=""/4096, 0x400400}, {&(0x7f0000002a00)=""/88, 0x8}], 0x0}, 0x20) syz_read_part_table(0x5df, &(0x7f0000000200)="$eJzs3L+LHGUYB/DvzO7s3sbIWVkJHqQwKHhCSj08heRMF0Q7Qf+BA4l/wO4SwcIflY29FkYhiG0KBQlqOkvh0ELE3sIUhlfm166iVidq4PMpZt7ned/3eWaZmXIn3NvKblKqdrTeJqd1ezxMfkzSJOuXn0nm/VwzrGn3vHj94qXLe1eq+SbXZlfD7HxbcDYWzt4wujnNfdeP3njn3UW74Xa97NOrpPl4lmmq1bjvvT9f9J2qq8V/7vxnJdOd7k59k3z15JnjatLd/PZ5+iB5IDtdsJ9kkuGwShbtaHb6/jcObq2fHsaLDE9M00fLPFKeGOaalFJKneW5ceckeeip/at/VbTJH1+H9jUppTk77q23b8Hx3dn4HF748vtl1g9vqncdS+njk0Xy6snzj3e1qr4GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD/P+dfe/Tz2RgcdsdqiD599rkPU2+XrpJfx/Hezj/U/8bBrd1rr19thvCHo5/yc5JJ9o/OJvPNulf60ydvdqfpkH1wcdr+x3fr2Ufvf7GtM5Sukq/PfXunTIb0yWbB9ppyUJ+2PQAAAAAAAAAAAAAAAAAAAHQuXrq8d6XOC0mVl7L9u3/JTlKNnwJog1JK+aX0kgs3p8dvz3LtTD9/+7vhswGl+n31w2T3/qTM33ps/KzAqqs07VpU/9av5O/8FgAA//+GxGPP") syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x8200, &(0x7f0000000000), 0x83, 0x629, &(0x7f0000000600)="$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") syz_init_net_socket$802154_raw(0x24, 0x4, 0x0) mount(&(0x7f00000000c0)=@filename='./file0\x00', &(0x7f0000000000)='./file1\x00', &(0x7f0000000080)='gfs2\x00', 0x200001, 0x0) [ 80.286213][ T4671] Bluetooth: hci0: command tx timeout [ 80.289855][ T1312] ieee802154 phy0 wpan0: encryption failed: -22 [ 80.292340][ T1312] ieee802154 phy1 wpan1: encryption failed: -22 [ 80.481989][ T5326] loop0: detected capacity change from 0 to 2048 [ 80.509244][ T5326] loop0: p1 < > p2 p3 p4 < p5 > [ 80.520897][ T5326] loop0: p2 size 4194304 extends beyond EOD, truncated [ 80.524576][ T5326] loop0: p3 start 4284289 is beyond EOD, truncated [ 80.530074][ T5326] loop0: p5 size 4194304 extends beyond EOD, truncated [ 80.568294][ T5326] [ 80.569289][ T5326] ====================================================== [ 80.571864][ T5326] WARNING: possible circular locking dependency detected [ 80.574411][ T5326] 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 Not tainted [ 80.576965][ T5326] ------------------------------------------------------ [ 80.579745][ T5326] syz.0.0/5326 is trying to acquire lock: [ 80.581784][ T5326] ffff8880404724b8 (kn->active#5){++++}-{0:0}, at: __kernfs_remove+0x336/0x570 [ 80.585211][ T5326] [ 80.585211][ T5326] but task is already holding lock: [ 80.588418][ T5326] ffff8880001cc358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x17e/0x700 [ 80.591531][ T5326] [ 80.591531][ T5326] which lock already depends on the new lock. [ 80.591531][ T5326] [ 80.594958][ T5326] [ 80.594958][ T5326] the existing dependency chain (in reverse order) is: [ 80.597846][ T5326] [ 80.597846][ T5326] -> #2 (&disk->open_mutex){+.+.}-{4:4}: [ 80.600709][ T5326] lock_acquire+0x116/0x2f0 [ 80.602584][ T5326] __mutex_lock+0x1a5/0x10c0 [ 80.604421][ T5326] bdev_open+0xf7/0xcd0 [ 80.605998][ T5326] bdev_file_open_by_dev+0x1b2/0x230 [ 80.608061][ T5326] disk_scan_partitions+0x1be/0x2b0 [ 80.610148][ T5326] add_disk_fwnode+0xd26/0x1020 [ 80.612035][ T5326] pmem_attach_disk+0xd42/0x1020 [ 80.614083][ T5326] nvdimm_bus_probe+0x147/0x4e0 [ 80.616085][ T5326] really_probe+0x2b9/0xad0 [ 80.618052][ T5326] __driver_probe_device+0x1a2/0x390 [ 80.620329][ T5326] driver_probe_device+0x50/0x430 [ 80.622395][ T5326] __driver_attach+0x45f/0x710 [ 80.624273][ T5326] bus_for_each_dev+0x23e/0x2b0 [ 80.626365][ T5326] bus_add_driver+0x346/0x670 [ 80.628358][ T5326] driver_register+0x23a/0x320 [ 80.630305][ T5326] do_one_initcall+0x24a/0x940 [ 80.632493][ T5326] do_initcall_level+0x157/0x210 [ 80.635118][ T5326] do_initcalls+0x71/0xd0 [ 80.637471][ T5326] kernel_init_freeable+0x432/0x5d0 [ 80.640160][ T5326] kernel_init+0x1d/0x2b0 [ 80.642407][ T5326] ret_from_fork+0x4b/0x80 [ 80.644502][ T5326] ret_from_fork_asm+0x1a/0x30 [ 80.646397][ T5326] [ 80.646397][ T5326] -> #1 (&nvdimm_namespace_key){+.+.}-{4:4}: [ 80.649330][ T5326] lock_acquire+0x116/0x2f0 [ 80.651204][ T5326] __mutex_lock+0x1a5/0x10c0 [ 80.653095][ T5326] uevent_show+0x17d/0x340 [ 80.654750][ T5326] dev_attr_show+0x55/0xc0 [ 80.656293][ T5326] sysfs_kf_seq_show+0x32b/0x4a0 [ 80.658092][ T5326] seq_read_iter+0x461/0xda0 [ 80.659887][ T5326] vfs_read+0x9a0/0xb90 [ 80.661555][ T5326] ksys_read+0x19d/0x2d0 [ 80.663384][ T5326] do_syscall_64+0xf3/0x210 [ 80.665217][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.667569][ T5326] [ 80.667569][ T5326] -> #0 (kn->active#5){++++}-{0:0}: [ 80.670164][ T5326] validate_chain+0xa69/0x24e0 [ 80.672110][ T5326] __lock_acquire+0xad5/0xd80 [ 80.674062][ T5326] lock_acquire+0x116/0x2f0 [ 80.675828][ T5326] kernfs_drain+0x275/0x5e0 [ 80.677735][ T5326] __kernfs_remove+0x336/0x570 [ 80.679942][ T5326] kernfs_remove_by_name_ns+0xad/0x130 [ 80.682037][ T5326] device_del+0x56c/0x9b0 [ 80.683832][ T5326] drop_partition+0x11b/0x180 [ 80.685771][ T5326] bdev_disk_changed+0x2ca/0x14e0 [ 80.687838][ T5326] lo_release+0x540/0x850 [ 80.689722][ T5326] bdev_release+0x5dd/0x700 [ 80.691547][ T5326] blkdev_release+0x15/0x20 [ 80.693231][ T5326] __fput+0x3e9/0x9f0 [ 80.694967][ T5326] fput_close_sync+0x1ef/0x270 [ 80.696810][ T5326] __x64_sys_close+0x7f/0x110 [ 80.698719][ T5326] do_syscall_64+0xf3/0x210 [ 80.700581][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.702970][ T5326] [ 80.702970][ T5326] other info that might help us debug this: [ 80.702970][ T5326] [ 80.706513][ T5326] Chain exists of: [ 80.706513][ T5326] kn->active#5 --> &nvdimm_namespace_key --> &disk->open_mutex [ 80.706513][ T5326] [ 80.711423][ T5326] Possible unsafe locking scenario: [ 80.711423][ T5326] [ 80.714221][ T5326] CPU0 CPU1 [ 80.716315][ T5326] ---- ---- [ 80.718389][ T5326] lock(&disk->open_mutex); [ 80.720224][ T5326] lock(&nvdimm_namespace_key); [ 80.723106][ T5326] lock(&disk->open_mutex); [ 80.725597][ T5326] lock(kn->active#5); [ 80.727237][ T5326] [ 80.727237][ T5326] *** DEADLOCK *** [ 80.727237][ T5326] [ 80.730390][ T5326] 1 lock held by syz.0.0/5326: [ 80.732399][ T5326] #0: ffff8880001cc358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x17e/0x700 [ 80.736094][ T5326] [ 80.736094][ T5326] stack backtrace: [ 80.738435][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 PREEMPT(full) [ 80.738452][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 80.738459][ T5326] Call Trace: [ 80.738466][ T5326] [ 80.738473][ T5326] dump_stack_lvl+0x241/0x360 [ 80.738494][ T5326] ? __pfx_dump_stack_lvl+0x10/0x10 [ 80.738509][ T5326] ? __pfx__printk+0x10/0x10 [ 80.738523][ T5326] ? print_lock+0x171/0x1a0 [ 80.738538][ T5326] print_circular_bug+0x2e1/0x300 [ 80.738550][ T5326] check_noncircular+0x142/0x160 [ 80.738562][ T5326] validate_chain+0xa69/0x24e0 [ 80.738574][ T5326] ? check_path+0x21/0x40 [ 80.738583][ T5326] ? check_noncircular+0xee/0x160 [ 80.738595][ T5326] ? lockdep_unlock+0x8d/0x120 [ 80.738607][ T5326] __lock_acquire+0xad5/0xd80 [ 80.738623][ T5326] ? up_write+0x1ab/0x590 [ 80.738633][ T5326] lock_acquire+0x116/0x2f0 [ 80.738647][ T5326] ? __kernfs_remove+0x336/0x570 [ 80.738662][ T5326] kernfs_drain+0x275/0x5e0 [ 80.738672][ T5326] ? __kernfs_remove+0x336/0x570 [ 80.738685][ T5326] ? __pfx_kernfs_drain+0x10/0x10 [ 80.738699][ T5326] __kernfs_remove+0x336/0x570 [ 80.738710][ T5326] kernfs_remove_by_name_ns+0xad/0x130 [ 80.738723][ T5326] device_del+0x56c/0x9b0 [ 80.738736][ T5326] ? __pfx_device_del+0x10/0x10 [ 80.738748][ T5326] ? kobject_put+0x446/0x480 [ 80.738770][ T5326] drop_partition+0x11b/0x180 [ 80.738789][ T5326] bdev_disk_changed+0x2ca/0x14e0 [ 80.738799][ T5326] ? kobject_uevent_env+0x54d/0x8e0 [ 80.738816][ T5326] ? __pfx_bdev_disk_changed+0x10/0x10 [ 80.738826][ T5326] ? kobject_uevent_env+0x54d/0x8e0 [ 80.738840][ T5326] lo_release+0x540/0x850 [ 80.738853][ T5326] ? __pfx_lo_release+0x10/0x10 [ 80.738868][ T5326] ? do_raw_spin_unlock+0x58/0x8b0 [ 80.738882][ T5326] ? __pfx_lo_release+0x10/0x10 [ 80.738892][ T5326] bdev_release+0x5dd/0x700 [ 80.738908][ T5326] blkdev_release+0x15/0x20 [ 80.738921][ T5326] ? __pfx_blkdev_release+0x10/0x10 [ 80.738933][ T5326] __fput+0x3e9/0x9f0 [ 80.738947][ T5326] fput_close_sync+0x1ef/0x270 [ 80.738957][ T5326] ? __pfx_fput_close_sync+0x10/0x10 [ 80.738967][ T5326] ? do_raw_spin_unlock+0x58/0x8b0 [ 80.738979][ T5326] ? filp_flush+0x116/0x190 [ 80.738991][ T5326] __x64_sys_close+0x7f/0x110 [ 80.739002][ T5326] do_syscall_64+0xf3/0x210 [ 80.739013][ T5326] ? clear_bhb_loop+0x45/0xa0 [ 80.739024][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.739035][ T5326] RIP: 0033:0x7f2a37d8cdca [ 80.739047][ T5326] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 43 91 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 a3 91 02 00 8b 44 24 [ 80.739056][ T5326] RSP: 002b:00007f2a38cd3e00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 80.739068][ T5326] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2a37d8cdca [ 80.739075][ T5326] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 [ 80.739081][ T5326] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000623 [ 80.739088][ T5326] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005 [ 80.739093][ T5326] R13: 00007f2a38cd3ef0 R14: 00007f2a38cd4668 R15: 00007f2a2bc00000 [ 80.739101][ T5326] [ 80.892879][ T5329] udevd[5329]: inotify_add_watch(7, /dev/loop0p1, 10) failed: No such file or directory [ 80.898977][ T5330] udevd[5330]: inotify_add_watch(7, /dev/loop0p2, 10) failed: No such file or directory [ 80.905490][ T5331] udevd[5331]: inotify_add_watch(7, /dev/loop0p4, 10) failed: No such file or directory [ 80.911628][ T5332] udevd[5332]: inotify_add_watch(7, /dev/loop0p5, 10) failed: No such file or directory [ 80.929019][ T5332] udevd[5332]: inotify_add_watch(7, /dev/loop0p4, 10) failed: No such file or directory [ 80.934240][ T5331] udevd[5331]: inotify_add_watch(7, /dev/loop0p5, 10) failed: No such file or directory [ 80.941764][ T5330] udevd[5330]: inotify_add_watch(7, /dev/loop0p2, 10) failed: No such file or directory