runcate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:31 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:31 executing program 0: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:31 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000]}, 0x4}, 0x1c) 17:43:31 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:31 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2T', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:31 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000]}, 0x4}, 0x1c) [ 491.210085][T24155] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 491.297692][T24155] gfs2: fsid=_h: Now mounting FS... [ 491.336000][T24155] gfs2: not a GFS2 filesystem [ 491.366442][T24155] gfs2: fsid=_h: can't read superblock [ 491.402865][T24155] gfs2: fsid=_h: can't read superblock: -22 [ 491.473006][T24161] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 491.513290][T24161] CPU: 0 PID: 24161 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 491.521347][T24161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 491.531507][T24161] Call Trace: [ 491.534823][T24161] dump_stack+0x172/0x1f0 [ 491.539278][T24161] sysfs_warn_dup.cold+0x1c/0x31 [ 491.544248][T24161] sysfs_create_dir_ns+0x242/0x2a0 [ 491.549380][T24161] ? sysfs_create_mount_point+0xa0/0xa0 [ 491.554957][T24161] kobject_add_internal.cold+0xe5/0x5d4 [ 491.560609][T24161] kobject_init_and_add+0x101/0x160 [ 491.565821][T24161] ? kobject_add_internal+0x380/0x380 [ 491.571215][T24161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 491.577687][T24161] ? vsnprintf+0x58b/0x1af0 [ 491.577718][T24161] gfs2_sys_fs_add+0x1aa/0x470 [ 491.577736][T24161] ? recover_store+0x160/0x160 [ 491.577756][T24161] ? snprintf+0xbb/0xf0 [ 491.577772][T24161] ? vscnprintf+0x60/0x80 [ 491.577792][T24161] ? set_blocksize+0x2bf/0x340 [ 491.577814][T24161] ? memcpy+0x46/0x50 [ 491.587195][T24161] fill_super+0x12f5/0x25c0 [ 491.587223][T24161] ? gfs2_online_uevent+0x1f0/0x1f0 [ 491.587240][T24161] ? snprintf+0xbb/0xf0 17:43:31 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000]}, 0x4}, 0x1c) [ 491.587255][T24161] ? vsprintf+0x40/0x40 [ 491.587277][T24161] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 491.587293][T24161] ? set_blocksize+0x2bf/0x340 [ 491.587310][T24161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 491.587342][T24161] gfs2_mount+0x504/0x5de [ 491.587362][T24161] ? fill_super+0x25c0/0x25c0 [ 491.587397][T24161] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 491.596291][T24161] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 491.596326][T24161] ? fill_super+0x25c0/0x25c0 [ 491.596345][T24161] legacy_get_tree+0xf2/0x200 [ 491.596365][T24161] vfs_get_tree+0x123/0x450 [ 491.596382][T24161] do_mount+0x1436/0x2c40 [ 491.596404][T24161] ? copy_mount_string+0x40/0x40 [ 491.596430][T24161] ? copy_mount_options+0x1f8/0x3a0 [ 491.596454][T24161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 491.605622][T24161] ? copy_mount_options+0x280/0x3a0 [ 491.605640][T24161] ksys_mount+0xdb/0x150 [ 491.605658][T24161] __x64_sys_mount+0xbe/0x150 [ 491.605679][T24161] do_syscall_64+0x103/0x610 [ 491.605698][T24161] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 491.605711][T24161] RIP: 0033:0x45ac7a [ 491.605727][T24161] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 491.605735][T24161] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 491.605751][T24161] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 491.605768][T24161] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 491.614432][T24161] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 491.614440][T24161] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 491.614450][T24161] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 491.650421][T24161] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 491.663254][T24161] gfs2: fsid=_h: error -17 adding sysfs files [ 491.837963][T24172] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 491.852383][T24172] CPU: 0 PID: 24172 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 491.860423][T24172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 491.870495][T24172] Call Trace: [ 491.870523][T24172] dump_stack+0x172/0x1f0 [ 491.870543][T24172] sysfs_warn_dup.cold+0x1c/0x31 [ 491.870560][T24172] sysfs_create_dir_ns+0x242/0x2a0 [ 491.870575][T24172] ? sysfs_create_mount_point+0xa0/0xa0 [ 491.870605][T24172] kobject_add_internal.cold+0xe5/0x5d4 [ 491.870627][T24172] kobject_init_and_add+0x101/0x160 [ 491.870641][T24172] ? kobject_add_internal+0x380/0x380 [ 491.870663][T24172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 491.870679][T24172] ? vsnprintf+0x58b/0x1af0 [ 491.870708][T24172] gfs2_sys_fs_add+0x1aa/0x470 [ 491.870735][T24172] ? recover_store+0x160/0x160 [ 491.890678][T24174] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:43:32 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000]}, 0x4}, 0x1c) [ 491.893926][T24172] ? snprintf+0xbb/0xf0 [ 491.893942][T24172] ? vscnprintf+0x60/0x80 [ 491.893960][T24172] ? set_blocksize+0x2bf/0x340 [ 491.893980][T24172] ? memcpy+0x46/0x50 [ 491.894003][T24172] fill_super+0x12f5/0x25c0 [ 491.894034][T24172] ? gfs2_online_uevent+0x1f0/0x1f0 [ 491.894050][T24172] ? snprintf+0xbb/0xf0 [ 491.894066][T24172] ? vsprintf+0x40/0x40 [ 491.894093][T24172] ? wait_for_completion+0x440/0x440 [ 491.900210][T24174] gfs2: fsid=_h: Now mounting FS... [ 491.904869][T24172] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 491.904884][T24172] ? set_blocksize+0x2bf/0x340 [ 491.904900][T24172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 491.904921][T24172] gfs2_mount+0x504/0x5de [ 491.904940][T24172] ? fill_super+0x25c0/0x25c0 [ 491.904988][T24172] ? fill_super+0x25c0/0x25c0 [ 491.905006][T24172] legacy_get_tree+0xf2/0x200 [ 491.905025][T24172] vfs_get_tree+0x123/0x450 [ 491.905045][T24172] do_mount+0x1436/0x2c40 [ 491.926247][T24172] ? copy_mount_string+0x40/0x40 [ 491.938400][T24172] ? copy_mount_options+0x208/0x3a0 [ 491.938415][T24172] ? copy_mount_options+0x193/0x3a0 [ 491.938438][T24172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 491.938450][T24172] ? copy_mount_options+0x280/0x3a0 [ 491.938467][T24172] ksys_mount+0xdb/0x150 [ 491.938484][T24172] __x64_sys_mount+0xbe/0x150 [ 491.938504][T24172] do_syscall_64+0x103/0x610 [ 491.938525][T24172] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 491.938544][T24172] RIP: 0033:0x45ac7a [ 491.950841][T24174] gfs2: not a GFS2 filesystem [ 491.951776][T24172] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 491.951785][T24172] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 491.951801][T24172] RAX: ffffffffffffffda RBX: 00007f2b9368bb40 RCX: 000000000045ac7a [ 491.951811][T24172] RDX: 00007f2b9368bae0 RSI: 0000000020000380 RDI: 00007f2b9368bb00 [ 491.951820][T24172] RBP: 0000000000000000 R08: 00007f2b9368bb40 R09: 00007f2b9368bae0 [ 491.951829][T24172] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 491.951838][T24172] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 491.975902][T24174] gfs2: fsid=_h: can't read superblock [ 491.976010][T24174] gfs2: fsid=_h: can't read superblock: -22 [ 492.183166][T24172] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 492.199847][T24172] gfs2: fsid=_h: error -17 adding sysfs files 17:43:32 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:32 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2U', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:32 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:32 executing program 4 (fault-call:4 fault-nth:0): r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 17:43:32 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000]}, 0x4}, 0x1c) 17:43:32 executing program 0 (fault-call:0 fault-nth:0): syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:33 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000]}, 0x4}, 0x1c) [ 492.867293][T24216] FAULT_INJECTION: forcing a failure. [ 492.867293][T24216] name failslab, interval 1, probability 0, space 0, times 0 [ 492.892305][T24219] FAULT_INJECTION: forcing a failure. [ 492.892305][T24219] name failslab, interval 1, probability 0, space 0, times 0 [ 492.904208][T24216] CPU: 1 PID: 24216 Comm: syz-executor.4 Not tainted 5.1.0-rc1+ #32 [ 492.913267][T24216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 492.923595][T24216] Call Trace: [ 492.926910][T24216] dump_stack+0x172/0x1f0 [ 492.931275][T24216] should_fail.cold+0xa/0x15 [ 492.935888][T24216] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 492.935912][T24216] ? ___might_sleep+0x163/0x280 [ 492.946574][T24216] __should_failslab+0x121/0x190 [ 492.946596][T24216] should_failslab+0x9/0x14 [ 492.946613][T24216] __kmalloc+0x2dc/0x740 [ 492.946630][T24216] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 492.946644][T24216] ? _kstrtoull+0x14c/0x200 [ 492.946658][T24216] ? _parse_integer+0x190/0x190 [ 492.946685][T24216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 492.982604][T24216] ? rw_copy_check_uvector+0x28c/0x330 [ 492.988178][T24216] rw_copy_check_uvector+0x28c/0x330 [ 492.993492][T24216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 492.999754][T24216] ? debug_smp_processor_id+0x3c/0x280 [ 493.005235][T24216] import_iovec+0xbf/0x200 [ 493.009671][T24216] ? dup_iter+0x260/0x260 [ 493.014040][T24216] ? __fget+0x35a/0x550 [ 493.018218][T24216] vfs_readv+0xc6/0x160 [ 493.022381][T24216] ? lock_downgrade+0x880/0x880 [ 493.027247][T24216] ? compat_rw_copy_check_uvector+0x3f0/0x3f0 [ 493.033347][T24216] ? kasan_check_read+0x11/0x20 [ 493.038217][T24216] ? __fget+0x381/0x550 [ 493.042390][T24216] ? ksys_dup3+0x3e0/0x3e0 [ 493.046822][T24216] ? wait_for_completion+0x440/0x440 [ 493.052147][T24216] ? __fget_light+0x1a9/0x230 [ 493.056847][T24216] do_preadv+0x1c4/0x280 [ 493.061133][T24216] ? do_readv+0x290/0x290 [ 493.065491][T24216] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 493.070976][T24216] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 493.076449][T24216] ? do_syscall_64+0x26/0x610 [ 493.081133][T24216] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 493.087301][T24216] ? do_syscall_64+0x26/0x610 [ 493.092007][T24216] __x64_sys_preadv+0x9a/0xf0 [ 493.096704][T24216] do_syscall_64+0x103/0x610 [ 493.101323][T24216] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 493.107225][T24216] RIP: 0033:0x458209 [ 493.111222][T24216] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 493.130935][T24216] RSP: 002b:00007efd7a0e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 493.139368][T24216] RAX: ffffffffffffffda RBX: 00007efd7a0e3c90 RCX: 0000000000458209 [ 493.147357][T24216] RDX: 00000000000001fe RSI: 00000000200017c0 RDI: 0000000000000003 [ 493.155345][T24216] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 493.163336][T24216] R10: 0000400000000000 R11: 0000000000000246 R12: 00007efd7a0e46d4 [ 493.171407][T24216] R13: 00000000004c4c8e R14: 00000000004d85a8 R15: 0000000000000005 [ 493.190702][T24219] CPU: 0 PID: 24219 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 493.198731][T24219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 493.209379][T24219] Call Trace: [ 493.212689][T24219] dump_stack+0x172/0x1f0 [ 493.217038][T24219] should_fail.cold+0xa/0x15 [ 493.221637][T24219] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 493.221660][T24219] ? ___might_sleep+0x163/0x280 [ 493.221683][T24219] __should_failslab+0x121/0x190 [ 493.232348][T24219] should_failslab+0x9/0x14 [ 493.232365][T24219] __kmalloc+0x2dc/0x740 [ 493.232381][T24219] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 493.232394][T24219] ? fput_many+0x12c/0x1a0 [ 493.232411][T24219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 493.232433][T24219] ? strnlen_user+0x1f0/0x280 17:43:33 executing program 4 (fault-call:4 fault-nth:1): r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 493.232453][T24219] ? __x64_sys_memfd_create+0x13c/0x470 [ 493.246121][T24219] __x64_sys_memfd_create+0x13c/0x470 [ 493.246142][T24219] ? memfd_fcntl+0x1550/0x1550 [ 493.263245][T24219] ? do_syscall_64+0x26/0x610 [ 493.263265][T24219] ? lockdep_hardirqs_on+0x418/0x5d0 [ 493.263298][T24219] ? trace_hardirqs_on+0x67/0x230 [ 493.273614][T24219] do_syscall_64+0x103/0x610 [ 493.273636][T24219] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 493.273648][T24219] RIP: 0033:0x458209 [ 493.273663][T24219] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 493.273671][T24219] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 493.273687][T24219] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 493.273695][T24219] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 493.273704][T24219] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 17:43:33 executing program 0 (fault-call:0 fault-nth:1): syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 493.273712][T24219] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b9368c6d4 [ 493.273721][T24219] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 493.422032][T24231] FAULT_INJECTION: forcing a failure. [ 493.422032][T24231] name failslab, interval 1, probability 0, space 0, times 0 [ 493.453174][T24231] CPU: 0 PID: 24231 Comm: syz-executor.4 Not tainted 5.1.0-rc1+ #32 [ 493.461307][T24231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 17:43:33 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000]}, 0x4}, 0x1c) [ 493.471385][T24231] Call Trace: [ 493.474702][T24231] dump_stack+0x172/0x1f0 [ 493.475086][T24204] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 493.479050][T24231] should_fail.cold+0xa/0x15 [ 493.479074][T24231] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 493.479098][T24231] ? ___might_sleep+0x163/0x280 [ 493.479121][T24231] __should_failslab+0x121/0x190 [ 493.479144][T24231] should_failslab+0x9/0x14 [ 493.479165][T24231] kmem_cache_alloc_node_trace+0x270/0x720 [ 493.479182][T24231] ? perf_trace_lock+0xeb/0x510 [ 493.479197][T24231] ? __lockdep_free_key_range+0x120/0x120 [ 493.479221][T24231] __kmalloc_node+0x3d/0x70 [ 493.479243][T24231] kvmalloc_node+0x68/0x100 [ 493.479262][T24231] traverse+0x401/0x760 [ 493.479282][T24231] ? seq_dentry+0x2d0/0x2d0 [ 493.479302][T24231] seq_read+0x8f8/0x1130 [ 493.479347][T24231] ? seq_dentry+0x2d0/0x2d0 [ 493.479394][T24231] proc_reg_read+0x1fe/0x2c0 [ 493.479416][T24231] ? proc_reg_compat_ioctl+0x2a0/0x2a0 [ 493.479447][T24231] ? rw_verify_area+0x118/0x360 [ 493.479469][T24231] do_iter_read+0x4a9/0x660 [ 493.479487][T24231] ? dup_iter+0x260/0x260 [ 493.479513][T24231] vfs_readv+0xf0/0x160 [ 493.491382][T24231] ? lock_downgrade+0x880/0x880 [ 493.491405][T24231] ? compat_rw_copy_check_uvector+0x3f0/0x3f0 [ 493.491423][T24231] ? kasan_check_read+0x11/0x20 [ 493.491458][T24231] ? ksys_dup3+0x3e0/0x3e0 [ 493.498169][T24204] gfs2: fsid=_h: Now mounting FS... [ 493.502150][T24231] ? wait_for_completion+0x440/0x440 [ 493.502174][T24231] ? __fget_light+0x1a9/0x230 [ 493.502196][T24231] do_preadv+0x1c4/0x280 [ 493.502214][T24231] ? do_readv+0x290/0x290 [ 493.502230][T24231] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 493.502245][T24231] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 493.502261][T24231] ? do_syscall_64+0x26/0x610 [ 493.502275][T24231] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 493.502297][T24231] ? do_syscall_64+0x26/0x610 [ 493.511879][T24231] __x64_sys_preadv+0x9a/0xf0 [ 493.511901][T24231] do_syscall_64+0x103/0x610 [ 493.511922][T24231] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 493.511935][T24231] RIP: 0033:0x458209 [ 493.511951][T24231] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 493.511959][T24231] RSP: 002b:00007efd7a0e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 493.511973][T24231] RAX: ffffffffffffffda RBX: 00007efd7a0e3c90 RCX: 0000000000458209 [ 493.511981][T24231] RDX: 00000000000001fe RSI: 00000000200017c0 RDI: 0000000000000003 17:43:33 executing program 4 (fault-call:4 fault-nth:2): r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 493.511989][T24231] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 493.511999][T24231] R10: 0000400000000000 R11: 0000000000000246 R12: 00007efd7a0e46d4 [ 493.512008][T24231] R13: 00000000004c4c8e R14: 00000000004d85a8 R15: 0000000000000005 [ 493.548848][T24217] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 493.557877][T24204] gfs2: not a GFS2 filesystem [ 493.565249][T24236] FAULT_INJECTION: forcing a failure. [ 493.565249][T24236] name failslab, interval 1, probability 0, space 0, times 0 [ 493.579903][T24204] gfs2: fsid=_h: can't read superblock [ 493.580796][T24236] CPU: 0 PID: 24236 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 493.591253][T24204] gfs2: fsid=_h: can't read superblock: -22 [ 493.595513][T24236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 493.595520][T24236] Call Trace: [ 493.595547][T24236] dump_stack+0x172/0x1f0 [ 493.595570][T24236] should_fail.cold+0xa/0x15 [ 493.595589][T24236] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 493.595609][T24236] ? ___might_sleep+0x163/0x280 [ 493.595628][T24236] __should_failslab+0x121/0x190 [ 493.595645][T24236] ? shmem_destroy_callback+0xc0/0xc0 [ 493.595661][T24236] should_failslab+0x9/0x14 [ 493.595677][T24236] kmem_cache_alloc+0x2b2/0x6f0 [ 493.595694][T24236] ? __alloc_fd+0x430/0x530 [ 493.595715][T24236] ? shmem_destroy_callback+0xc0/0xc0 [ 493.670133][T24236] shmem_alloc_inode+0x1c/0x50 [ 493.670150][T24236] alloc_inode+0x66/0x190 [ 493.670168][T24236] new_inode_pseudo+0x19/0xf0 [ 493.670184][T24236] new_inode+0x1f/0x40 [ 493.670199][T24236] shmem_get_inode+0x84/0x780 [ 493.670223][T24236] __shmem_file_setup.part.0+0x7e/0x2b0 [ 493.670245][T24236] shmem_file_setup+0x66/0x90 [ 493.670266][T24236] __x64_sys_memfd_create+0x2a2/0x470 [ 493.693887][T24236] ? memfd_fcntl+0x1550/0x1550 [ 493.693904][T24236] ? do_syscall_64+0x26/0x610 [ 493.693920][T24236] ? lockdep_hardirqs_on+0x418/0x5d0 [ 493.693936][T24236] ? trace_hardirqs_on+0x67/0x230 [ 493.693956][T24236] do_syscall_64+0x103/0x610 [ 493.693976][T24236] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 493.693987][T24236] RIP: 0033:0x458209 [ 493.694004][T24236] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 493.694012][T24236] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 493.694025][T24236] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 493.694033][T24236] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 493.694043][T24236] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 493.694052][T24236] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b9368c6d4 [ 493.694060][T24236] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 493.740399][T24217] CPU: 1 PID: 24217 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 493.767325][T24217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 493.767332][T24217] Call Trace: [ 493.767357][T24217] dump_stack+0x172/0x1f0 [ 493.767378][T24217] sysfs_warn_dup.cold+0x1c/0x31 [ 493.767395][T24217] sysfs_create_dir_ns+0x242/0x2a0 [ 493.767415][T24217] ? sysfs_create_mount_point+0xa0/0xa0 [ 493.780970][T24217] kobject_add_internal.cold+0xe5/0x5d4 [ 493.780992][T24217] kobject_init_and_add+0x101/0x160 [ 493.781007][T24217] ? kobject_add_internal+0x380/0x380 [ 493.781031][T24217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 493.797959][T24217] ? vsnprintf+0x58b/0x1af0 [ 493.797988][T24217] gfs2_sys_fs_add+0x1aa/0x470 [ 493.798005][T24217] ? recover_store+0x160/0x160 [ 493.798023][T24217] ? snprintf+0xbb/0xf0 [ 493.798038][T24217] ? vscnprintf+0x60/0x80 [ 493.798061][T24217] ? memcpy+0x46/0x50 [ 493.798084][T24217] fill_super+0x12f5/0x25c0 [ 493.798104][T24217] ? retint_kernel+0x2d/0x2d [ 493.805717][T24217] ? trace_hardirqs_on_caller+0x6a/0x220 [ 493.805744][T24217] ? gfs2_online_uevent+0x1f0/0x1f0 [ 493.805761][T24217] ? retint_kernel+0x2d/0x2d [ 493.805784][T24217] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 493.805798][T24217] ? set_blocksize+0x2bf/0x340 [ 493.805816][T24217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 493.805835][T24217] gfs2_mount+0x504/0x5de [ 493.805860][T24217] ? fill_super+0x25c0/0x25c0 [ 493.816273][T24217] ? fill_super+0x25c0/0x25c0 [ 493.816292][T24217] legacy_get_tree+0xf2/0x200 [ 493.816312][T24217] vfs_get_tree+0x123/0x450 [ 493.816339][T24217] do_mount+0x1436/0x2c40 [ 493.816371][T24217] ? copy_mount_string+0x40/0x40 [ 493.831507][T24217] ? copy_mount_options+0x1ea/0x3a0 [ 493.831525][T24217] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 493.831542][T24217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 493.831556][T24217] ? copy_mount_options+0x280/0x3a0 [ 493.831576][T24217] ksys_mount+0xdb/0x150 [ 493.840926][T24217] __x64_sys_mount+0xbe/0x150 [ 493.840951][T24217] ? do_syscall_64+0x5b/0x610 [ 493.840967][T24217] do_syscall_64+0x103/0x610 [ 493.840989][T24217] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 493.841008][T24217] RIP: 0033:0x45ac7a [ 494.205337][T24217] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 494.225205][T24217] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 494.233608][T24217] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 494.241595][T24217] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 494.249576][T24217] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 494.257827][T24217] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 494.265785][T24217] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:43:34 executing program 0 (fault-call:0 fault-nth:2): syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 494.275166][T24217] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 494.288111][T24217] gfs2: fsid=_h: error -17 adding sysfs files [ 494.429264][T24248] FAULT_INJECTION: forcing a failure. [ 494.429264][T24248] name failslab, interval 1, probability 0, space 0, times 0 [ 494.478164][T24251] FAULT_INJECTION: forcing a failure. [ 494.478164][T24251] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 494.491421][T24251] CPU: 0 PID: 24251 Comm: syz-executor.4 Not tainted 5.1.0-rc1+ #32 [ 494.499461][T24251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 494.509653][T24251] Call Trace: [ 494.512956][T24251] dump_stack+0x172/0x1f0 [ 494.517298][T24251] should_fail.cold+0xa/0x15 [ 494.521909][T24251] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 494.527865][T24251] ? perf_trace_lock+0xeb/0x510 [ 494.532726][T24251] ? __lockdep_free_key_range+0x120/0x120 [ 494.538471][T24251] should_fail_alloc_page+0x50/0x60 [ 494.543679][T24251] __alloc_pages_nodemask+0x1a1/0x7e0 [ 494.549066][T24251] ? find_held_lock+0x35/0x130 [ 494.553843][T24251] ? __alloc_pages_slowpath+0x28b0/0x28b0 [ 494.559615][T24251] cache_grow_begin+0x9c/0x860 [ 494.564388][T24251] ? __kmalloc_node+0x3d/0x70 [ 494.569073][T24251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 494.575339][T24251] kmem_cache_alloc_node_trace+0x658/0x720 [ 494.581156][T24251] ? __lockdep_free_key_range+0x120/0x120 [ 494.586886][T24251] __kmalloc_node+0x3d/0x70 [ 494.591397][T24251] kvmalloc_node+0x68/0x100 [ 494.595912][T24251] traverse+0x401/0x760 [ 494.600073][T24251] ? seq_dentry+0x2d0/0x2d0 [ 494.604576][T24251] seq_read+0x8f8/0x1130 [ 494.608833][T24251] ? seq_dentry+0x2d0/0x2d0 [ 494.613346][T24251] proc_reg_read+0x1fe/0x2c0 [ 494.618033][T24251] ? proc_reg_compat_ioctl+0x2a0/0x2a0 [ 494.623504][T24251] ? rw_verify_area+0x118/0x360 [ 494.628366][T24251] do_iter_read+0x4a9/0x660 [ 494.632871][T24251] ? dup_iter+0x260/0x260 [ 494.637216][T24251] vfs_readv+0xf0/0x160 [ 494.641395][T24251] ? lock_downgrade+0x880/0x880 [ 494.646286][T24251] ? compat_rw_copy_check_uvector+0x3f0/0x3f0 [ 494.652369][T24251] ? kasan_check_read+0x11/0x20 [ 494.657239][T24251] ? ksys_dup3+0x3e0/0x3e0 [ 494.661664][T24251] ? wait_for_completion+0x440/0x440 [ 494.666960][T24251] ? __fget_light+0x1a9/0x230 [ 494.672089][T24251] do_preadv+0x1c4/0x280 [ 494.676351][T24251] ? do_readv+0x290/0x290 [ 494.680684][T24251] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 494.686148][T24251] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 494.691619][T24251] ? do_syscall_64+0x26/0x610 [ 494.696337][T24251] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 494.702409][T24251] ? do_syscall_64+0x26/0x610 [ 494.707109][T24251] __x64_sys_preadv+0x9a/0xf0 [ 494.711791][T24251] do_syscall_64+0x103/0x610 [ 494.716390][T24251] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 494.722280][T24251] RIP: 0033:0x458209 [ 494.726184][T24251] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 494.745794][T24251] RSP: 002b:00007efd7a0e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 494.754562][T24251] RAX: ffffffffffffffda RBX: 00007efd7a0e3c90 RCX: 0000000000458209 [ 494.762541][T24251] RDX: 00000000000001fe RSI: 00000000200017c0 RDI: 0000000000000003 [ 494.770684][T24251] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 494.778655][T24251] R10: 0000400000000000 R11: 0000000000000246 R12: 00007efd7a0e46d4 [ 494.786627][T24251] R13: 00000000004c4c8e R14: 00000000004d85a8 R15: 0000000000000005 [ 494.794631][T24248] CPU: 1 PID: 24248 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 494.802624][T24248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 494.812771][T24248] Call Trace: [ 494.816074][T24248] dump_stack+0x172/0x1f0 [ 494.820430][T24248] should_fail.cold+0xa/0x15 [ 494.825028][T24248] ? find_held_lock+0x35/0x130 17:43:35 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:35 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2V', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:35 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:35 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x900000000000000]}, 0x4}, 0x1c) [ 494.829805][T24248] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 494.835626][T24248] ? ___might_sleep+0x163/0x280 [ 494.840490][T24248] __should_failslab+0x121/0x190 [ 494.845440][T24248] should_failslab+0x9/0x14 [ 494.851620][T24248] kmem_cache_alloc+0x2b2/0x6f0 [ 494.856482][T24248] ? __put_user_ns+0x70/0x70 [ 494.861084][T24248] ? shmem_alloc_inode+0x1c/0x50 [ 494.866035][T24248] ? rcu_read_lock_sched_held+0x110/0x130 [ 494.871763][T24248] security_inode_alloc+0x39/0x160 [ 494.876861][T24248] inode_init_always+0x56e/0xb50 [ 494.881782][T24248] alloc_inode+0x83/0x190 [ 494.886106][T24248] new_inode_pseudo+0x19/0xf0 [ 494.890768][T24248] new_inode+0x1f/0x40 [ 494.894824][T24248] shmem_get_inode+0x84/0x780 [ 494.899525][T24248] __shmem_file_setup.part.0+0x7e/0x2b0 [ 494.905152][T24248] shmem_file_setup+0x66/0x90 [ 494.909904][T24248] __x64_sys_memfd_create+0x2a2/0x470 [ 494.915269][T24248] ? memfd_fcntl+0x1550/0x1550 [ 494.920016][T24248] ? do_syscall_64+0x26/0x610 [ 494.924681][T24248] ? lockdep_hardirqs_on+0x418/0x5d0 [ 494.929961][T24248] ? trace_hardirqs_on+0x67/0x230 [ 494.934988][T24248] do_syscall_64+0x103/0x610 [ 494.939574][T24248] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 494.945452][T24248] RIP: 0033:0x458209 [ 494.949347][T24248] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 494.968941][T24248] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f 17:43:35 executing program 4 (fault-call:4 fault-nth:3): r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 17:43:35 executing program 0 (fault-call:0 fault-nth:3): syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 494.977366][T24248] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 494.985355][T24248] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 494.993327][T24248] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 495.001305][T24248] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b9368c6d4 [ 495.009342][T24248] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 495.179111][T24265] FAULT_INJECTION: forcing a failure. [ 495.179111][T24265] name failslab, interval 1, probability 0, space 0, times 0 [ 495.292988][T24257] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 495.307482][T24265] CPU: 1 PID: 24265 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 495.315592][T24265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 495.325741][T24265] Call Trace: [ 495.325773][T24265] dump_stack+0x172/0x1f0 [ 495.325798][T24265] should_fail.cold+0xa/0x15 [ 495.333504][T24265] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 495.333524][T24265] ? ___might_sleep+0x163/0x280 [ 495.333541][T24265] __should_failslab+0x121/0x190 [ 495.333558][T24265] should_failslab+0x9/0x14 [ 495.333573][T24265] kmem_cache_alloc+0x2b2/0x6f0 [ 495.333586][T24265] ? current_time+0x6b/0x140 [ 495.333656][T24265] ? ktime_get_coarse_real_ts64+0xf0/0x2b0 [ 495.333678][T24265] ? lockdep_hardirqs_on+0x418/0x5d0 [ 495.344069][T24257] gfs2: fsid=_h: Now mounting FS... [ 495.344162][T24265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 17:43:35 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 495.365302][T24257] gfs2: not a GFS2 filesystem [ 495.368036][T24265] ? timespec64_trunc+0xf0/0x180 [ 495.368054][T24265] __d_alloc+0x2e/0x8c0 [ 495.368073][T24265] d_alloc_pseudo+0x1e/0x30 [ 495.368089][T24265] alloc_file_pseudo+0xe2/0x280 [ 495.368104][T24265] ? alloc_file+0x4d0/0x4d0 [ 495.368123][T24265] ? lockdep_annotate_inode_mutex_key+0x5b/0x70 [ 495.368150][T24265] __shmem_file_setup.part.0+0x108/0x2b0 [ 495.368185][T24265] shmem_file_setup+0x66/0x90 [ 495.395537][T24257] gfs2: fsid=_h: can't read superblock 17:43:35 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa00000000000000]}, 0x4}, 0x1c) [ 495.400399][T24265] __x64_sys_memfd_create+0x2a2/0x470 [ 495.400417][T24265] ? memfd_fcntl+0x1550/0x1550 [ 495.400433][T24265] ? do_syscall_64+0x26/0x610 [ 495.400451][T24265] ? lockdep_hardirqs_on+0x418/0x5d0 [ 495.400470][T24265] ? trace_hardirqs_on+0x67/0x230 [ 495.400490][T24265] do_syscall_64+0x103/0x610 [ 495.400510][T24265] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 495.400534][T24265] RIP: 0033:0x458209 [ 495.408384][T24257] gfs2: fsid=_h: can't read superblock: -22 17:43:35 executing program 0 (fault-call:0 fault-nth:4): syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 495.411727][T24265] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 495.411736][T24265] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 495.411750][T24265] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 495.411759][T24265] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 495.411768][T24265] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 495.411777][T24265] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b9368c6d4 [ 495.411786][T24265] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 17:43:35 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2W', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:35 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x2, 0x400000000000) [ 495.890839][T24268] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 495.900971][T24268] gfs2: fsid=_h: Now mounting FS... [ 495.915362][T24268] gfs2: not a GFS2 filesystem [ 495.920571][T24268] gfs2: fsid=_h: can't read superblock [ 495.983500][T24268] gfs2: fsid=_h: can't read superblock: -22 17:43:36 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 496.037077][T24300] FAULT_INJECTION: forcing a failure. [ 496.037077][T24300] name failslab, interval 1, probability 0, space 0, times 0 [ 496.114855][T24300] CPU: 1 PID: 24300 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 496.123086][T24300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 496.133161][T24300] Call Trace: [ 496.136502][T24300] dump_stack+0x172/0x1f0 [ 496.140951][T24300] should_fail.cold+0xa/0x15 [ 496.145558][T24300] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 496.151391][T24300] ? ___might_sleep+0x163/0x280 [ 496.156258][T24300] __should_failslab+0x121/0x190 [ 496.161242][T24300] should_failslab+0x9/0x14 [ 496.161264][T24300] kmem_cache_alloc+0x2b2/0x6f0 [ 496.170635][T24300] __alloc_file+0x27/0x300 [ 496.170653][T24300] alloc_empty_file+0x72/0x170 [ 496.170670][T24300] alloc_file+0x5e/0x4d0 [ 496.170691][T24300] alloc_file_pseudo+0x189/0x280 [ 496.184189][T24300] ? alloc_file+0x4d0/0x4d0 [ 496.184209][T24300] ? lockdep_annotate_inode_mutex_key+0x5b/0x70 [ 496.184235][T24300] __shmem_file_setup.part.0+0x108/0x2b0 [ 496.184255][T24300] shmem_file_setup+0x66/0x90 [ 496.184272][T24300] __x64_sys_memfd_create+0x2a2/0x470 [ 496.184287][T24300] ? memfd_fcntl+0x1550/0x1550 [ 496.184303][T24300] ? do_syscall_64+0x26/0x610 [ 496.184330][T24300] ? lockdep_hardirqs_on+0x418/0x5d0 [ 496.184349][T24300] ? trace_hardirqs_on+0x67/0x230 [ 496.184369][T24300] do_syscall_64+0x103/0x610 [ 496.193825][T24300] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 496.193838][T24300] RIP: 0033:0x458209 [ 496.193853][T24300] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 496.193861][T24300] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 496.193875][T24300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 496.193883][T24300] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 496.193891][T24300] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 496.193900][T24300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b9368c6d4 [ 496.193908][T24300] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 17:43:36 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:36 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000]}, 0x4}, 0x1c) 17:43:36 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x3, 0x400000000000) 17:43:36 executing program 0 (fault-call:0 fault-nth:5): syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:36 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2X', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 496.532458][T24319] FAULT_INJECTION: forcing a failure. [ 496.532458][T24319] name failslab, interval 1, probability 0, space 0, times 0 [ 496.641511][T24319] CPU: 1 PID: 24319 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 496.647335][T24306] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 496.650164][T24319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 496.650171][T24319] Call Trace: [ 496.650202][T24319] dump_stack+0x172/0x1f0 [ 496.650228][T24319] should_fail.cold+0xa/0x15 [ 496.650258][T24319] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 496.685951][T24319] ? ___might_sleep+0x163/0x280 [ 496.690822][T24319] __should_failslab+0x121/0x190 [ 496.695792][T24319] should_failslab+0x9/0x14 [ 496.700298][T24319] kmem_cache_alloc+0x2b2/0x6f0 [ 496.705167][T24319] __alloc_file+0x27/0x300 [ 496.709592][T24319] alloc_empty_file+0x72/0x170 [ 496.714379][T24306] gfs2: fsid=_h: Now mounting FS... [ 496.714473][T24319] alloc_file+0x5e/0x4d0 [ 496.714495][T24319] alloc_file_pseudo+0x189/0x280 [ 496.714512][T24319] ? alloc_file+0x4d0/0x4d0 [ 496.714531][T24319] ? lockdep_annotate_inode_mutex_key+0x5b/0x70 [ 496.714557][T24319] __shmem_file_setup.part.0+0x108/0x2b0 [ 496.745335][T24319] shmem_file_setup+0x66/0x90 [ 496.746500][T24306] gfs2: not a GFS2 filesystem [ 496.750023][T24319] __x64_sys_memfd_create+0x2a2/0x470 [ 496.750040][T24319] ? memfd_fcntl+0x1550/0x1550 [ 496.750057][T24319] ? do_syscall_64+0x26/0x610 [ 496.750075][T24319] ? lockdep_hardirqs_on+0x418/0x5d0 [ 496.750093][T24319] ? trace_hardirqs_on+0x67/0x230 [ 496.750114][T24319] do_syscall_64+0x103/0x610 [ 496.750145][T24319] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 496.791133][T24319] RIP: 0033:0x458209 [ 496.795047][T24319] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 496.814836][T24319] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 496.815704][T24306] gfs2: fsid=_h: can't read superblock [ 496.823253][T24319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 17:43:37 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00000000000000]}, 0x4}, 0x1c) 17:43:37 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x4, 0x400000000000) [ 496.823262][T24319] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 496.823271][T24319] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 496.823279][T24319] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b9368c6d4 [ 496.823286][T24319] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 496.898745][T24325] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 496.952677][T24325] CPU: 0 PID: 24325 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 496.962813][T24325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 496.973781][T24325] Call Trace: [ 496.977277][T24325] dump_stack+0x172/0x1f0 [ 496.982897][T24325] sysfs_warn_dup.cold+0x1c/0x31 [ 496.987875][T24325] sysfs_create_dir_ns+0x242/0x2a0 [ 496.993001][T24325] ? sysfs_create_mount_point+0xa0/0xa0 17:43:37 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000000]}, 0x4}, 0x1c) [ 496.998593][T24325] kobject_add_internal.cold+0xe5/0x5d4 [ 497.004164][T24325] kobject_init_and_add+0x101/0x160 [ 497.009370][T24325] ? kobject_add_internal+0x380/0x380 [ 497.014789][T24325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 497.021048][T24325] ? vsnprintf+0x58b/0x1af0 [ 497.025750][T24325] gfs2_sys_fs_add+0x1aa/0x470 [ 497.030528][T24325] ? recover_store+0x160/0x160 [ 497.035303][T24325] ? snprintf+0xbb/0xf0 [ 497.039481][T24325] ? vscnprintf+0x60/0x80 [ 497.043825][T24325] ? set_blocksize+0x2bf/0x340 [ 497.048608][T24325] ? memcpy+0x46/0x50 17:43:37 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x5, 0x400000000000) [ 497.052619][T24325] fill_super+0x12f5/0x25c0 [ 497.057135][T24325] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 497.062746][T24325] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 497.068229][T24325] ? gfs2_online_uevent+0x1f0/0x1f0 [ 497.073469][T24325] ? retint_kernel+0x2d/0x2d [ 497.078073][T24325] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 497.083800][T24325] ? set_blocksize+0x2bf/0x340 [ 497.088577][T24325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 497.094841][T24325] gfs2_mount+0x504/0x5de [ 497.099193][T24325] ? fill_super+0x25c0/0x25c0 [ 497.103919][T24325] ? retint_kernel+0x2d/0x2d [ 497.108523][T24325] ? fill_super+0x25c0/0x25c0 [ 497.113214][T24325] legacy_get_tree+0xf2/0x200 [ 497.117906][T24325] vfs_get_tree+0x123/0x450 [ 497.122423][T24325] do_mount+0x1436/0x2c40 [ 497.126777][T24325] ? copy_mount_string+0x40/0x40 [ 497.131851][T24325] ? copy_mount_options+0x1ea/0x3a0 [ 497.137057][T24325] ? copy_mount_options+0x1f3/0x3a0 [ 497.142289][T24325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 497.148544][T24325] ? copy_mount_options+0x280/0x3a0 [ 497.153763][T24325] ksys_mount+0xdb/0x150 [ 497.158028][T24325] __x64_sys_mount+0xbe/0x150 [ 497.162731][T24325] do_syscall_64+0x103/0x610 [ 497.167354][T24325] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 497.173256][T24325] RIP: 0033:0x45ac7a [ 497.177179][T24325] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 497.196887][T24325] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 497.205571][T24325] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 497.213637][T24325] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 497.221713][T24325] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 497.229695][T24325] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 497.237678][T24325] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:43:37 executing program 0 (fault-call:0 fault-nth:6): syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 497.255455][T24306] gfs2: fsid=_h: can't read superblock: -22 [ 497.266051][T24325] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. 17:43:37 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000000000000]}, 0x4}, 0x1c) [ 497.390869][T24325] gfs2: fsid=_h: error -17 adding sysfs files [ 497.409534][T24350] FAULT_INJECTION: forcing a failure. [ 497.409534][T24350] name failslab, interval 1, probability 0, space 0, times 0 [ 497.478915][T24350] CPU: 0 PID: 24350 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 497.486951][T24350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 497.497045][T24350] Call Trace: [ 497.500376][T24350] dump_stack+0x172/0x1f0 [ 497.504731][T24350] should_fail.cold+0xa/0x15 [ 497.509360][T24350] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 497.509385][T24350] ? ___might_sleep+0x163/0x280 [ 497.509408][T24350] __should_failslab+0x121/0x190 [ 497.509438][T24350] should_failslab+0x9/0x14 [ 497.509458][T24350] kmem_cache_alloc+0x2b2/0x6f0 [ 497.509481][T24350] ? notify_change+0x6d5/0xfb0 [ 497.539596][T24350] ? do_sys_ftruncate+0x41e/0x550 [ 497.544653][T24350] getname_flags+0xd6/0x5b0 [ 497.544675][T24350] getname+0x1a/0x20 [ 497.544690][T24350] do_sys_open+0x2c9/0x5d0 [ 497.544709][T24350] ? filp_open+0x80/0x80 [ 497.544725][T24350] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 497.544748][T24350] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 497.568052][T24350] ? do_syscall_64+0x26/0x610 [ 497.568070][T24350] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 497.568100][T24350] ? do_syscall_64+0x26/0x610 [ 497.568122][T24350] __x64_sys_open+0x7e/0xc0 [ 497.568141][T24350] do_syscall_64+0x103/0x610 [ 497.568160][T24350] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 497.568179][T24350] RIP: 0033:0x4121a1 [ 497.598127][T24350] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 2a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 73 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 497.627499][T24350] RSP: 002b:00007f2b9368ba80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 497.635944][T24350] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00000000004121a1 [ 497.635953][T24350] RDX: 00007f2b9368bb0a RSI: 0000000000000002 RDI: 00007f2b9368bb00 [ 497.635961][T24350] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a [ 497.635968][T24350] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000004 [ 497.635976][T24350] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 17:43:38 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x6, 0x400000000000) 17:43:38 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2Y', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:38 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000]}, 0x4}, 0x1c) 17:43:38 executing program 0 (fault-call:0 fault-nth:7): syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe80000000000000]}, 0x4}, 0x1c) [ 497.943799][T24373] FAULT_INJECTION: forcing a failure. [ 497.943799][T24373] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 497.957064][T24373] CPU: 0 PID: 24373 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 497.965053][T24373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 497.975128][T24373] Call Trace: [ 497.978460][T24373] dump_stack+0x172/0x1f0 [ 497.982826][T24373] should_fail.cold+0xa/0x15 [ 497.987442][T24373] ? fault_create_debugfs_attr+0x1e0/0x1e0 17:43:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x7, 0x400000000000) [ 497.993358][T24373] ? debug_smp_processor_id+0x3c/0x280 [ 497.998835][T24373] ? perf_trace_lock+0xeb/0x510 [ 498.003709][T24373] should_fail_alloc_page+0x50/0x60 [ 498.008925][T24373] __alloc_pages_nodemask+0x1a1/0x7e0 [ 498.014334][T24373] ? __alloc_pages_slowpath+0x28b0/0x28b0 [ 498.020041][T24373] ? find_held_lock+0x35/0x130 [ 498.024801][T24373] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 498.030621][T24373] cache_grow_begin+0x9c/0x860 [ 498.035394][T24373] ? getname_flags+0xd6/0x5b0 [ 498.040079][T24373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 498.046340][T24373] kmem_cache_alloc+0x62d/0x6f0 [ 498.051207][T24373] ? notify_change+0x6d5/0xfb0 [ 498.055992][T24373] ? do_sys_ftruncate+0x41e/0x550 [ 498.061170][T24373] getname_flags+0xd6/0x5b0 [ 498.065688][T24373] getname+0x1a/0x20 [ 498.069585][T24373] do_sys_open+0x2c9/0x5d0 [ 498.074006][T24373] ? filp_open+0x80/0x80 [ 498.078251][T24373] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 498.084491][T24373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 498.089938][T24373] ? do_syscall_64+0x26/0x610 [ 498.094604][T24373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 498.100682][T24373] ? do_syscall_64+0x26/0x610 [ 498.105375][T24373] __x64_sys_open+0x7e/0xc0 [ 498.109896][T24373] do_syscall_64+0x103/0x610 [ 498.114511][T24373] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 498.120390][T24373] RIP: 0033:0x4121a1 [ 498.124268][T24373] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 2a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 73 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 498.143952][T24373] RSP: 002b:00007f2b9368ba80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 498.152377][T24373] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00000000004121a1 [ 498.160355][T24373] RDX: 00007f2b9368bb0a RSI: 0000000000000002 RDI: 00007f2b9368bb00 [ 498.168339][T24373] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a [ 498.176330][T24373] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000004 [ 498.184388][T24373] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 17:43:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x8, 0x400000000000) 17:43:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000]}, 0x4}, 0x1c) [ 498.384302][T24373] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 498.434605][T24378] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 498.453254][T24373] CPU: 0 PID: 24373 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 498.461288][T24373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 498.471372][T24373] Call Trace: [ 498.474690][T24373] dump_stack+0x172/0x1f0 [ 498.479139][T24373] sysfs_warn_dup.cold+0x1c/0x31 [ 498.484096][T24373] sysfs_create_dir_ns+0x242/0x2a0 [ 498.490612][T24373] ? sysfs_create_mount_point+0xa0/0xa0 [ 498.496278][T24373] kobject_add_internal.cold+0xe5/0x5d4 [ 498.501857][T24373] kobject_init_and_add+0x101/0x160 [ 498.507074][T24373] ? kobject_add_internal+0x380/0x380 [ 498.512482][T24373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 498.518747][T24373] ? vsnprintf+0x58b/0x1af0 [ 498.523276][T24373] gfs2_sys_fs_add+0x1aa/0x470 [ 498.528066][T24373] ? recover_store+0x160/0x160 17:43:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x9, 0x400000000000) [ 498.532857][T24373] ? snprintf+0xbb/0xf0 [ 498.538047][T24373] ? vscnprintf+0x60/0x80 [ 498.542388][T24373] ? set_blocksize+0x2bf/0x340 [ 498.547200][T24373] ? memcpy+0x46/0x50 [ 498.551326][T24373] fill_super+0x12f5/0x25c0 [ 498.555862][T24373] ? gfs2_online_uevent+0x1f0/0x1f0 [ 498.561087][T24373] ? snprintf+0xbb/0xf0 [ 498.565256][T24373] ? vsprintf+0x40/0x40 [ 498.569423][T24373] ? wait_for_completion+0x440/0x440 [ 498.574704][T24373] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 498.580410][T24373] ? set_blocksize+0x2bf/0x340 17:43:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x4}, 0x1c) [ 498.583493][T24378] gfs2: fsid=_h: Now mounting FS... [ 498.585178][T24373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 498.585202][T24373] gfs2_mount+0x504/0x5de [ 498.585223][T24373] ? fill_super+0x25c0/0x25c0 [ 498.585262][T24373] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 498.585281][T24373] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 498.585306][T24373] ? fill_super+0x25c0/0x25c0 [ 498.585334][T24373] legacy_get_tree+0xf2/0x200 [ 498.585355][T24373] vfs_get_tree+0x123/0x450 [ 498.585375][T24373] do_mount+0x1436/0x2c40 [ 498.585398][T24373] ? copy_mount_string+0x40/0x40 [ 498.585419][T24373] ? copy_mount_options+0x1f8/0x3a0 [ 498.585441][T24373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 498.585455][T24373] ? copy_mount_options+0x280/0x3a0 [ 498.585481][T24373] ksys_mount+0xdb/0x150 [ 498.617164][T24378] gfs2: not a GFS2 filesystem [ 498.618097][T24373] __x64_sys_mount+0xbe/0x150 [ 498.618120][T24373] do_syscall_64+0x103/0x610 [ 498.618143][T24373] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 498.618155][T24373] RIP: 0033:0x45ac7a [ 498.618171][T24373] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 498.618180][T24373] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 498.625001][T24378] gfs2: fsid=_h: can't read superblock [ 498.627730][T24373] RAX: ffffffffffffffda RBX: 00007f2b9368bb40 RCX: 000000000045ac7a [ 498.627740][T24373] RDX: 00007f2b9368bae0 RSI: 0000000020000380 RDI: 00007f2b9368bb00 [ 498.627749][T24373] RBP: 0000000000000000 R08: 00007f2b9368bb40 R09: 00007f2b9368bae0 [ 498.627758][T24373] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 498.627767][T24373] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 498.644831][T24373] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 498.661271][T24378] gfs2: fsid=_h: can't read superblock: -22 [ 498.674761][T24373] gfs2: fsid=_h: error -17 adding sysfs files [ 498.849456][T24386] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 498.880458][T24386] CPU: 1 PID: 24386 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 498.888495][T24386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 498.898580][T24386] Call Trace: [ 498.901900][T24386] dump_stack+0x172/0x1f0 [ 498.906259][T24386] sysfs_warn_dup.cold+0x1c/0x31 [ 498.911301][T24386] sysfs_create_dir_ns+0x242/0x2a0 [ 498.916437][T24386] ? sysfs_create_mount_point+0xa0/0xa0 [ 498.922011][T24386] kobject_add_internal.cold+0xe5/0x5d4 [ 498.927552][T24386] kobject_init_and_add+0x101/0x160 [ 498.932754][T24386] ? kobject_add_internal+0x380/0x380 [ 498.938742][T24386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 498.945000][T24386] ? vsnprintf+0x58b/0x1af0 [ 498.949508][T24386] gfs2_sys_fs_add+0x1aa/0x470 [ 498.954290][T24386] ? recover_store+0x160/0x160 [ 498.959338][T24386] ? snprintf+0xbb/0xf0 [ 498.963592][T24386] ? vscnprintf+0x60/0x80 [ 498.967984][T24386] ? set_blocksize+0x2bf/0x340 [ 498.972758][T24386] ? memcpy+0x46/0x50 [ 498.976763][T24386] fill_super+0x12f5/0x25c0 [ 498.981301][T24386] ? gfs2_online_uevent+0x1f0/0x1f0 [ 498.986509][T24386] ? snprintf+0xbb/0xf0 [ 498.990674][T24386] ? vsprintf+0x40/0x40 [ 498.995006][T24386] ? retint_kernel+0x2d/0x2d [ 498.999598][T24386] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 499.005311][T24386] ? set_blocksize+0x2bf/0x340 [ 499.010076][T24386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.016330][T24386] gfs2_mount+0x504/0x5de [ 499.020666][T24386] ? fill_super+0x25c0/0x25c0 [ 499.025354][T24386] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 499.031012][T24386] ? fill_super+0x25c0/0x25c0 [ 499.035693][T24386] legacy_get_tree+0xf2/0x200 [ 499.040395][T24386] vfs_get_tree+0x123/0x450 [ 499.044888][T24386] do_mount+0x1436/0x2c40 [ 499.049207][T24386] ? copy_mount_string+0x40/0x40 [ 499.054142][T24386] ? copy_mount_options+0x208/0x3a0 [ 499.059353][T24386] ? copy_mount_options+0x208/0x3a0 [ 499.064554][T24386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.070814][T24386] ? copy_mount_options+0x280/0x3a0 [ 499.076032][T24386] ksys_mount+0xdb/0x150 [ 499.080280][T24386] __x64_sys_mount+0xbe/0x150 [ 499.084974][T24386] do_syscall_64+0x103/0x610 [ 499.089581][T24386] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 499.095482][T24386] RIP: 0033:0x45ac7a [ 499.099388][T24386] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 499.119101][T24386] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 499.127534][T24386] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 499.135515][T24386] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 499.143496][T24386] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 499.151479][T24386] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 499.159474][T24386] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 499.178213][T24386] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 499.192603][T24386] gfs2: fsid=_h: error -17 adding sysfs files 17:43:39 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:39 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2Z', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:39 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa, 0x400000000000) 17:43:39 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:39 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, 0x4}, 0x1c) 17:43:39 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:39 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb, 0x400000000000) 17:43:39 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4]}, 0x4}, 0x1c) [ 499.529843][T24429] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 499.610777][T24429] gfs2: fsid=_h: Now mounting FS... [ 499.661689][T24429] gfs2: not a GFS2 filesystem [ 499.679946][T24429] gfs2: fsid=_h: can't read superblock [ 499.709849][T24440] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 499.721956][T24429] gfs2: fsid=_h: can't read superblock: -22 [ 499.749638][T24440] CPU: 0 PID: 24440 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 17:43:39 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc, 0x400000000000) [ 499.758242][T24440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 499.768310][T24440] Call Trace: [ 499.772272][T24440] dump_stack+0x172/0x1f0 [ 499.776624][T24440] sysfs_warn_dup.cold+0x1c/0x31 [ 499.781582][T24440] sysfs_create_dir_ns+0x242/0x2a0 [ 499.786707][T24440] ? sysfs_create_mount_point+0xa0/0xa0 [ 499.792284][T24440] kobject_add_internal.cold+0xe5/0x5d4 [ 499.797958][T24440] kobject_init_and_add+0x101/0x160 [ 499.803170][T24440] ? kobject_add_internal+0x380/0x380 [ 499.808561][T24440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 499.814853][T24440] ? vsnprintf+0x58b/0x1af0 [ 499.819413][T24440] gfs2_sys_fs_add+0x1aa/0x470 [ 499.824207][T24440] ? recover_store+0x160/0x160 [ 499.828990][T24440] ? snprintf+0xbb/0xf0 [ 499.829007][T24440] ? vscnprintf+0x60/0x80 [ 499.829028][T24440] ? set_blocksize+0x2bf/0x340 [ 499.829049][T24440] ? memcpy+0x46/0x50 [ 499.829073][T24440] fill_super+0x12f5/0x25c0 [ 499.829101][T24440] ? gfs2_online_uevent+0x1f0/0x1f0 [ 499.837668][T24440] ? snprintf+0xbb/0xf0 [ 499.837685][T24440] ? vsprintf+0x40/0x40 [ 499.837706][T24440] ? wait_for_completion+0x440/0x440 [ 499.837722][T24440] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 499.837738][T24440] ? set_blocksize+0x2bf/0x340 [ 499.837757][T24440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.837788][T24440] gfs2_mount+0x504/0x5de [ 499.846520][T24440] ? fill_super+0x25c0/0x25c0 [ 499.846556][T24440] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 499.846575][T24440] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 17:43:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x4}, 0x1c) 17:43:40 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2[', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 499.846600][T24440] ? fill_super+0x25c0/0x25c0 [ 499.846618][T24440] legacy_get_tree+0xf2/0x200 [ 499.846638][T24440] vfs_get_tree+0x123/0x450 [ 499.846656][T24440] do_mount+0x1436/0x2c40 [ 499.846676][T24440] ? retint_kernel+0x2d/0x2d [ 499.860533][T24440] ? copy_mount_string+0x40/0x40 [ 499.860547][T24440] ? copy_mount_options+0x208/0x3a0 [ 499.860566][T24440] ? write_comp_data+0x1e/0x70 [ 499.860584][T24440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.860598][T24440] ? copy_mount_options+0x280/0x3a0 [ 499.860618][T24440] ksys_mount+0xdb/0x150 [ 499.860637][T24440] __x64_sys_mount+0xbe/0x150 [ 499.870856][T24440] ? do_syscall_64+0xfe/0x610 [ 499.870875][T24440] do_syscall_64+0x103/0x610 [ 499.870897][T24440] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 499.870910][T24440] RIP: 0033:0x45ac7a [ 499.870925][T24440] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 499.870934][T24440] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 499.870948][T24440] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 499.870958][T24440] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 499.870967][T24440] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 499.870985][T24440] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 499.881463][T24440] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 499.912298][T24440] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 499.956808][T24440] gfs2: fsid=_h: error -17 adding sysfs files 17:43:40 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd, 0x400000000000) [ 500.213354][T24444] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 500.221230][T24444] gfs2: fsid=_h: Now mounting FS... [ 500.230678][T24444] gfs2: not a GFS2 filesystem [ 500.236311][T24444] gfs2: fsid=_h: can't read superblock [ 500.242299][T24444] gfs2: fsid=_h: can't read superblock: -22 17:43:40 executing program 2: bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:40 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='\nfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:40 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe, 0x400000000000) [ 500.781009][T24478] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 500.789436][T24478] gfs2: fsid=_h: Now mounting FS... [ 500.798183][T24478] gfs2: not a GFS2 filesystem [ 500.807481][T24478] gfs2: fsid=_h: can't read superblock [ 500.815039][T24478] gfs2: fsid=_h: can't read superblock: -22 17:43:41 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, 0x4}, 0x1c) 17:43:41 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\\', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:41 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf, 0x400000000000) 17:43:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, 0x4}, 0x1c) 17:43:41 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x10, 0x400000000000) 17:43:41 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='%fs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:41 executing program 2: bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, 0x4}, 0x1c) [ 501.406518][T24507] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:43:41 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x11, 0x400000000000) [ 501.452443][T24507] gfs2: fsid=_h: Now mounting FS... [ 501.514712][T24507] gfs2: not a GFS2 filesystem [ 501.536638][T24507] gfs2: fsid=_h: can't read superblock [ 501.549273][T24507] gfs2: fsid=_h: can't read superblock: -22 17:43:41 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2]', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:41 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x12, 0x400000000000) 17:43:42 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:42 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9]}, 0x4}, 0x1c) 17:43:42 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='.fs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 502.154861][T24536] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 502.195433][T24536] gfs2: fsid=_h: Now mounting FS... 17:43:42 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa]}, 0x4}, 0x1c) 17:43:42 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x13, 0x400000000000) [ 502.238305][T24536] gfs2: not a GFS2 filesystem [ 502.250380][T24536] gfs2: fsid=_h: can't read superblock [ 502.259361][T24536] gfs2: fsid=_h: can't read superblock: -22 17:43:42 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x14, 0x400000000000) 17:43:42 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10]}, 0x4}, 0x1c) 17:43:42 executing program 2: bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:42 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2^', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:42 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x15, 0x400000000000) 17:43:42 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300]}, 0x4}, 0x1c) [ 502.708581][T24569] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 502.719023][T24569] gfs2: fsid=_h: Now mounting FS... [ 502.730714][T24569] gfs2: not a GFS2 filesystem [ 502.760840][T24569] gfs2: fsid=_h: can't read superblock 17:43:43 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x16, 0x400000000000) [ 502.801318][T24569] gfs2: fsid=_h: can't read superblock: -22 [ 503.169875][T24615] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 503.209186][T24615] gfs2: fsid=_h: Now mounting FS... 17:43:43 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:43 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='/fs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:43 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500]}, 0x4}, 0x1c) 17:43:43 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x17, 0x400000000000) [ 503.238845][T24615] gfs2: not a GFS2 filesystem [ 503.244224][T24615] gfs2: fsid=_h: can't read superblock [ 503.249966][T24615] gfs2: fsid=_h: can't read superblock: -22 17:43:43 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2_', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:43 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600]}, 0x4}, 0x1c) 17:43:43 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x18, 0x400000000000) 17:43:43 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 503.834423][T24645] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 503.851981][T24645] gfs2: fsid=_h: Now mounting FS... [ 503.870314][T24645] gfs2: not a GFS2 filesystem [ 503.875496][T24645] gfs2: fsid=_h: can't read superblock 17:43:44 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700]}, 0x4}, 0x1c) 17:43:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x19, 0x400000000000) [ 503.889822][T24645] gfs2: fsid=_h: can't read superblock: -22 17:43:44 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Bfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:44 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1a, 0x400000000000) 17:43:44 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x900]}, 0x4}, 0x1c) 17:43:44 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2`', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 504.470970][T24683] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 504.520104][T24683] gfs2: fsid=_h: Now mounting FS... [ 504.561890][T24683] gfs2: not a GFS2 filesystem [ 504.596955][T24683] gfs2: fsid=_h: can't read superblock 17:43:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1b, 0x400000000000) 17:43:44 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa00]}, 0x4}, 0x1c) 17:43:44 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Cfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 504.639501][T24683] gfs2: fsid=_h: can't read superblock: -22 17:43:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1c, 0x400000000000) [ 504.829350][T24707] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 504.850102][T24707] gfs2: fsid=_h: Now mounting FS... 17:43:45 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:45 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00]}, 0x4}, 0x1c) 17:43:45 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2a', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 504.964904][T24707] gfs2: not a GFS2 filesystem [ 504.983262][T24707] gfs2: fsid=_h: can't read superblock [ 504.999150][T24707] gfs2: fsid=_h: can't read superblock: -22 17:43:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1d, 0x400000000000) [ 505.408112][T24736] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 505.448702][T24736] gfs2: fsid=_h: Now mounting FS... [ 505.475743][T24736] gfs2: not a GFS2 filesystem [ 505.494191][T24736] gfs2: fsid=_h: can't read superblock 17:43:45 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:45 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000]}, 0x4}, 0x1c) 17:43:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x1e, 0x400000000000) [ 505.518971][T24736] gfs2: fsid=_h: can't read superblock: -22 17:43:45 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80fe]}, 0x4}, 0x1c) 17:43:45 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Dfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:46 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x21, 0x400000000000) 17:43:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe80]}, 0x4}, 0x1c) [ 505.822424][T24763] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 505.857867][T24763] gfs2: fsid=_h: Now mounting FS... [ 505.952412][T24763] gfs2: not a GFS2 filesystem 17:43:46 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2b', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 505.973808][T24763] gfs2: fsid=_h: can't read superblock [ 505.980750][T24763] gfs2: fsid=_h: can't read superblock: -22 [ 506.021981][T24783] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 506.095010][T24783] CPU: 1 PID: 24783 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 506.104219][T24783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 506.116665][T24783] Call Trace: [ 506.120195][T24783] dump_stack+0x172/0x1f0 [ 506.124851][T24783] sysfs_warn_dup.cold+0x1c/0x31 [ 506.130360][T24783] sysfs_create_dir_ns+0x242/0x2a0 [ 506.135643][T24783] ? sysfs_create_mount_point+0xa0/0xa0 [ 506.141590][T24783] kobject_add_internal.cold+0xe5/0x5d4 [ 506.147378][T24783] kobject_init_and_add+0x101/0x160 [ 506.153048][T24783] ? kobject_add_internal+0x380/0x380 [ 506.159468][T24783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 506.165900][T24783] ? vsnprintf+0x58b/0x1af0 [ 506.171739][T24783] gfs2_sys_fs_add+0x1aa/0x470 [ 506.177910][T24783] ? recover_store+0x160/0x160 [ 506.183936][T24783] ? snprintf+0xbb/0xf0 [ 506.188490][T24783] ? vscnprintf+0x60/0x80 [ 506.193687][T24783] ? set_blocksize+0x2bf/0x340 [ 506.199283][T24783] ? memcpy+0x46/0x50 [ 506.203680][T24783] fill_super+0x12f5/0x25c0 [ 506.208650][T24783] ? gfs2_online_uevent+0x1f0/0x1f0 [ 506.215544][T24783] ? snprintf+0xbb/0xf0 [ 506.219733][T24783] ? vsprintf+0x40/0x40 [ 506.224095][T24783] ? wait_for_completion+0x440/0x440 [ 506.229508][T24783] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 506.235431][T24783] ? set_blocksize+0x2bf/0x340 [ 506.240618][T24783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.247323][T24783] gfs2_mount+0x504/0x5de [ 506.251726][T24783] ? fill_super+0x25c0/0x25c0 [ 506.256811][T24783] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 506.263264][T24783] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 506.269170][T24783] ? fill_super+0x25c0/0x25c0 [ 506.274762][T24783] legacy_get_tree+0xf2/0x200 [ 506.279700][T24783] vfs_get_tree+0x123/0x450 [ 506.284661][T24783] do_mount+0x1436/0x2c40 [ 506.289979][T24783] ? copy_mount_string+0x40/0x40 [ 506.295633][T24783] ? _copy_from_user+0xdd/0x150 [ 506.300858][T24783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.307508][T24783] ? copy_mount_options+0x280/0x3a0 [ 506.313711][T24783] ksys_mount+0xdb/0x150 [ 506.317990][T24783] __x64_sys_mount+0xbe/0x150 [ 506.322885][T24783] do_syscall_64+0x103/0x610 [ 506.328140][T24783] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 506.328154][T24783] RIP: 0033:0x45ac7a 17:43:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x22, 0x400000000000) 17:43:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000]}, 0x4}, 0x1c) [ 506.328176][T24783] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 506.358820][T24783] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 506.358836][T24783] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 506.358844][T24783] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 506.358851][T24783] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 506.358860][T24783] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 506.358867][T24783] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 506.457115][T24783] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 506.486452][T24783] gfs2: fsid=_h: error -17 adding sysfs files 17:43:46 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:46 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000]}, 0x4}, 0x1c) 17:43:46 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Efs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x23, 0x400000000000) 17:43:47 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000]}, 0x4}, 0x1c) 17:43:47 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2c', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:47 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x24, 0x400000000000) [ 507.139521][T24840] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 507.157567][T24840] gfs2: fsid=_h: Now mounting FS... [ 507.185112][T24840] gfs2: not a GFS2 filesystem 17:43:47 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000]}, 0x4}, 0x1c) [ 507.216489][T24840] gfs2: fsid=_h: can't read superblock [ 507.232915][T24840] gfs2: fsid=_h: can't read superblock: -22 17:43:47 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x25, 0x400000000000) [ 507.276908][T24839] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 507.297083][T24839] CPU: 0 PID: 24839 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 507.306562][T24839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 507.316966][T24839] Call Trace: [ 507.316997][T24839] dump_stack+0x172/0x1f0 [ 507.317022][T24839] sysfs_warn_dup.cold+0x1c/0x31 [ 507.317040][T24839] sysfs_create_dir_ns+0x242/0x2a0 [ 507.317056][T24839] ? sysfs_create_mount_point+0xa0/0xa0 [ 507.317081][T24839] ? vprintk_func+0x86/0x189 [ 507.317100][T24839] ? printk+0xe5/0xed [ 507.317124][T24839] kobject_add_internal.cold+0xe5/0x5d4 [ 507.317147][T24839] kobject_init_and_add+0x101/0x160 [ 507.325170][T24839] ? kobject_add_internal+0x380/0x380 [ 507.325191][T24839] ? mark_held_locks+0xa4/0xf0 17:43:47 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Ffs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 507.325206][T24839] ? vsnprintf+0x58b/0x1af0 [ 507.325224][T24839] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 507.325239][T24839] ? lockdep_hardirqs_on+0x418/0x5d0 [ 507.325261][T24839] gfs2_sys_fs_add+0x1aa/0x470 [ 507.325276][T24839] ? recover_store+0x160/0x160 [ 507.325296][T24839] ? retint_kernel+0x2d/0x2d [ 507.325323][T24839] ? gfs2_sys_fs_add+0x1f/0x470 [ 507.325378][T24839] fill_super+0x12f5/0x25c0 [ 507.336383][T24839] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 507.336400][T24839] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 507.336429][T24839] ? gfs2_online_uevent+0x1f0/0x1f0 [ 507.336456][T24839] ? retint_kernel+0x2d/0x2d [ 507.336475][T24839] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 507.336490][T24839] ? set_blocksize+0x2bf/0x340 [ 507.336509][T24839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 507.336532][T24839] gfs2_mount+0x504/0x5de [ 507.347275][T24839] ? fill_super+0x25c0/0x25c0 [ 507.347317][T24839] ? security_sb_eat_lsm_opts+0x7d/0xb0 [ 507.347366][T24839] ? security_sb_eat_lsm_opts+0x7d/0xb0 [ 507.347383][T24839] ? fill_super+0x25c0/0x25c0 [ 507.347402][T24839] legacy_get_tree+0xf2/0x200 [ 507.347430][T24839] vfs_get_tree+0x123/0x450 [ 507.358275][T24839] do_mount+0x1436/0x2c40 [ 507.358297][T24839] ? copy_mount_string+0x40/0x40 [ 507.358313][T24839] ? copy_mount_options+0x1ea/0x3a0 [ 507.358360][T24839] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 507.358378][T24839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 507.358391][T24839] ? copy_mount_options+0x280/0x3a0 [ 507.358410][T24839] ksys_mount+0xdb/0x150 [ 507.358428][T24839] __x64_sys_mount+0xbe/0x150 [ 507.358457][T24839] ? do_syscall_64+0x5b/0x610 [ 507.370751][T24839] do_syscall_64+0x103/0x610 [ 507.370773][T24839] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 507.370786][T24839] RIP: 0033:0x45ac7a [ 507.370803][T24839] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 507.370810][T24839] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 507.370824][T24839] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 507.370834][T24839] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 507.370843][T24839] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 507.370852][T24839] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 507.370868][T24839] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 507.411532][T24839] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 507.655898][T24839] gfs2: fsid=_h: error -17 adding sysfs files 17:43:47 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x26, 0x400000000000) 17:43:48 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000]}, 0x4}, 0x1c) 17:43:48 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x27, 0x400000000000) 17:43:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000]}, 0x4}, 0x1c) 17:43:48 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2d', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000]}, 0x4}, 0x1c) 17:43:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x28, 0x400000000000) [ 508.241879][T24903] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 508.300561][T24903] gfs2: fsid=_h: Now mounting FS... [ 508.311178][T24903] gfs2: not a GFS2 filesystem 17:43:48 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 508.427316][T24903] gfs2: fsid=_h: can't read superblock [ 508.459312][T24901] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 508.466912][T24903] gfs2: fsid=_h: can't read superblock: -22 [ 508.490754][T24901] CPU: 1 PID: 24901 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 508.499223][T24901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 508.510088][T24901] Call Trace: [ 508.513421][T24901] dump_stack+0x172/0x1f0 [ 508.518134][T24901] sysfs_warn_dup.cold+0x1c/0x31 [ 508.523454][T24901] sysfs_create_dir_ns+0x242/0x2a0 [ 508.528690][T24901] ? sysfs_create_mount_point+0xa0/0xa0 [ 508.534812][T24901] kobject_add_internal.cold+0xe5/0x5d4 [ 508.542220][T24901] kobject_init_and_add+0x101/0x160 [ 508.542237][T24901] ? kobject_add_internal+0x380/0x380 [ 508.542258][T24901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 508.542282][T24901] ? vsnprintf+0x58b/0x1af0 [ 508.553737][T24901] gfs2_sys_fs_add+0x1aa/0x470 [ 508.553757][T24901] ? recover_store+0x160/0x160 [ 508.553778][T24901] ? snprintf+0xbb/0xf0 [ 508.553793][T24901] ? vscnprintf+0x60/0x80 17:43:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000]}, 0x4}, 0x1c) [ 508.553812][T24901] ? set_blocksize+0x2bf/0x340 [ 508.553833][T24901] ? memcpy+0x46/0x50 [ 508.553856][T24901] fill_super+0x12f5/0x25c0 [ 508.553873][T24901] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 508.553889][T24901] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 508.553914][T24901] ? gfs2_online_uevent+0x1f0/0x1f0 [ 508.572509][T24901] ? retint_kernel+0x2d/0x2d [ 508.572531][T24901] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 508.572547][T24901] ? set_blocksize+0x2bf/0x340 17:43:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x29, 0x400000000000) [ 508.572564][T24901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.572585][T24901] gfs2_mount+0x504/0x5de [ 508.572606][T24901] ? fill_super+0x25c0/0x25c0 [ 508.582750][T24901] ? retint_kernel+0x2d/0x2d [ 508.582772][T24901] ? fill_super+0x25c0/0x25c0 [ 508.582791][T24901] legacy_get_tree+0xf2/0x200 [ 508.582818][T24901] vfs_get_tree+0x123/0x450 [ 508.597038][T24901] do_mount+0x1436/0x2c40 [ 508.597063][T24901] ? copy_mount_string+0x40/0x40 [ 508.597085][T24901] ? __sanitizer_cov_trace_const_cmp4+0x20/0x20 [ 508.597110][T24901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.607533][T24901] ? copy_mount_options+0x280/0x3a0 [ 508.607553][T24901] ksys_mount+0xdb/0x150 [ 508.607570][T24901] __x64_sys_mount+0xbe/0x150 [ 508.607589][T24901] do_syscall_64+0x103/0x610 [ 508.607610][T24901] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 508.607622][T24901] RIP: 0033:0x45ac7a [ 508.607638][T24901] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 508.607645][T24901] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 508.607659][T24901] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 508.607668][T24901] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 508.607677][T24901] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 508.607686][T24901] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 508.607695][T24901] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 508.615537][T24901] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 508.666009][T24901] gfs2: fsid=_h: error -17 adding sysfs files 17:43:49 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2e', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:49 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000]}, 0x4}, 0x1c) 17:43:49 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9000000]}, 0x4}, 0x1c) 17:43:49 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x2a, 0x400000000000) 17:43:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa000000]}, 0x4}, 0x1c) 17:43:49 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x2b, 0x400000000000) 17:43:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000]}, 0x4}, 0x1c) [ 509.595011][T24971] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 509.640413][T24971] gfs2: fsid=_h: Now mounting FS... 17:43:49 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Ifs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:49 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2f', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 509.693455][T24971] gfs2: not a GFS2 filesystem [ 509.714650][T24973] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 509.744463][T24971] gfs2: fsid=_h: can't read superblock [ 509.773465][T24973] CPU: 1 PID: 24973 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 509.781820][T24973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 509.792122][T24973] Call Trace: [ 509.795480][T24973] dump_stack+0x172/0x1f0 [ 509.799873][T24973] sysfs_warn_dup.cold+0x1c/0x31 [ 509.804849][T24973] sysfs_create_dir_ns+0x242/0x2a0 [ 509.804868][T24973] ? sysfs_create_mount_point+0xa0/0xa0 [ 509.804916][T24973] kobject_add_internal.cold+0xe5/0x5d4 17:43:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000]}, 0x4}, 0x1c) [ 509.815912][T24973] kobject_init_and_add+0x101/0x160 [ 509.815929][T24973] ? kobject_add_internal+0x380/0x380 [ 509.815957][T24973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 509.815972][T24973] ? vsnprintf+0x58b/0x1af0 [ 509.815999][T24973] gfs2_sys_fs_add+0x1aa/0x470 [ 509.816014][T24973] ? recover_store+0x160/0x160 [ 509.816033][T24973] ? snprintf+0xbb/0xf0 [ 509.816048][T24973] ? vscnprintf+0x60/0x80 [ 509.816067][T24973] ? set_blocksize+0x2bf/0x340 [ 509.816089][T24973] ? memcpy+0x46/0x50 [ 509.833104][T24973] fill_super+0x12f5/0x25c0 [ 509.833124][T24973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 509.833146][T24973] ? retint_user+0x2/0x18 [ 509.833165][T24973] ? gfs2_online_uevent+0x1f0/0x1f0 [ 509.833190][T24973] ? set_blocksize+0x53/0x340 [ 509.844883][T24973] ? set_blocksize+0x61/0x340 [ 509.844900][T24973] ? __sanitizer_cov_trace_pc+0x8/0x50 [ 509.844915][T24973] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 509.844928][T24973] ? set_blocksize+0x2bf/0x340 17:43:50 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x2c, 0x400000000000) [ 509.844952][T24973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 509.844975][T24973] gfs2_mount+0x504/0x5de [ 509.871785][T24971] gfs2: fsid=_h: can't read superblock: -22 [ 509.873447][T24973] ? fill_super+0x25c0/0x25c0 [ 509.873491][T24973] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 509.873510][T24973] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 509.873534][T24973] ? fill_super+0x25c0/0x25c0 [ 509.873552][T24973] legacy_get_tree+0xf2/0x200 [ 509.873571][T24973] vfs_get_tree+0x123/0x450 [ 509.873587][T24973] do_mount+0x1436/0x2c40 [ 509.873608][T24973] ? copy_mount_string+0x40/0x40 [ 509.979574][T24973] ? __sanitizer_cov_trace_const_cmp4+0xa/0x20 [ 509.985759][T24973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 509.992024][T24973] ? copy_mount_options+0x280/0x3a0 [ 509.997266][T24973] ksys_mount+0xdb/0x150 [ 510.001808][T24973] __x64_sys_mount+0xbe/0x150 [ 510.006780][T24973] do_syscall_64+0x103/0x610 [ 510.011493][T24973] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 510.011508][T24973] RIP: 0033:0x45ac7a [ 510.011524][T24973] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 510.011533][T24973] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 510.011548][T24973] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 510.011558][T24973] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 510.011568][T24973] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 510.011576][T24973] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 510.011584][T24973] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 510.076795][T24973] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 510.146311][T24973] gfs2: fsid=_h: error -17 adding sysfs files 17:43:50 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000]}, 0x4}, 0x1c) 17:43:50 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:50 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x2d, 0x400000000000) 17:43:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff]}, 0x4}, 0x1c) 17:43:50 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2g', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:50 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Kfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:50 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x2e, 0x400000000000) 17:43:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe800000]}, 0x4}, 0x1c) 17:43:50 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5]}, 0x4}, 0x1c) 17:43:50 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Mfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x2f, 0x400000000000) [ 510.879264][T25043] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 510.921151][T25043] gfs2: fsid=_h: Now mounting FS... [ 510.934894][T25043] gfs2: not a GFS2 filesystem [ 510.940208][T25043] gfs2: fsid=_h: can't read superblock [ 510.952140][T25043] gfs2: fsid=_h: can't read superblock: -22 17:43:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000000000]}, 0x4}, 0x1c) 17:43:51 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x30, 0x400000000000) 17:43:51 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2h', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000]}, 0x4}, 0x1c) 17:43:51 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:51 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Nfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000]}, 0x4}, 0x1c) 17:43:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x31, 0x400000000000) 17:43:52 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2i', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:52 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000]}, 0x4}, 0x1c) [ 512.027779][T25109] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 512.058209][T25109] gfs2: fsid=_h: Now mounting FS... 17:43:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x32, 0x400000000000) [ 512.071798][T25109] gfs2: not a GFS2 filesystem [ 512.080328][T25109] gfs2: fsid=_h: can't read superblock [ 512.101592][T25109] gfs2: fsid=_h: can't read superblock: -22 17:43:52 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000]}, 0x4}, 0x1c) 17:43:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x33, 0x400000000000) 17:43:52 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x34, 0x400000000000) 17:43:53 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Ofs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000]}, 0x4}, 0x1c) 17:43:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000]}, 0x4}, 0x1c) 17:43:53 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2j', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:53 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x35, 0x400000000000) 17:43:53 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000]}, 0x4}, 0x1c) [ 513.249836][T25181] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 513.317533][T25181] gfs2: fsid=_h: Now mounting FS... [ 513.339671][T25181] gfs2: not a GFS2 filesystem [ 513.350266][T25181] gfs2: fsid=_h: can't read superblock [ 513.359842][T25181] gfs2: fsid=_h: can't read superblock: -22 17:43:54 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x36, 0x400000000000) 17:43:54 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000]}, 0x4}, 0x1c) 17:43:54 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2k', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:54 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Rfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:54 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) 17:43:54 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x900000000000000]}, 0x4}, 0x1c) 17:43:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x37, 0x400000000000) [ 514.274269][T25245] gfs2: not a GFS2 filesystem 17:43:54 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2l', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x38, 0x400000000000) 17:43:54 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) 17:43:54 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa00000000000000]}, 0x4}, 0x1c) [ 514.644063][T25263] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 514.670290][T25263] gfs2: fsid=_h: Now mounting FS... [ 514.757049][T25263] gfs2: not a GFS2 filesystem [ 514.762052][T25281] gfs2: not a GFS2 filesystem [ 514.799705][T25263] gfs2: fsid=_h: can't read superblock [ 514.809847][T25263] gfs2: fsid=_h: can't read superblock: -22 17:43:55 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:55 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Sfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:55 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x39, 0x400000000000) 17:43:55 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000]}, 0x4}, 0x1c) 17:43:55 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) 17:43:55 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2m', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:55 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x3a, 0x400000000000) 17:43:55 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00000000000000]}, 0x4}, 0x1c) [ 515.443147][T25311] gfs2: not a GFS2 filesystem 17:43:55 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}]}) 17:43:55 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000000]}, 0x4}, 0x1c) 17:43:55 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Ufs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:55 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x3b, 0x400000000000) [ 515.815540][T25339] gfs2: not a GFS2 filesystem [ 515.884177][T25332] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 515.932255][T25332] gfs2: fsid=_h: Now mounting FS... [ 515.986729][T25332] gfs2: not a GFS2 filesystem [ 516.021159][T25332] gfs2: fsid=_h: can't read superblock [ 516.041462][T25332] gfs2: fsid=_h: can't read superblock: -22 17:43:56 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:56 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2n', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:56 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}]}) 17:43:56 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x3c, 0x400000000000) 17:43:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000000000000]}, 0x4}, 0x1c) 17:43:56 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='Vfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000]}, 0x4}, 0x1c) 17:43:56 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x3d, 0x400000000000) [ 516.635217][T25377] gfs2: not a GFS2 filesystem 17:43:56 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}]}) 17:43:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x3e, 0x400000000000) 17:43:57 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe80000000000000]}, 0x4}, 0x1c) 17:43:57 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='afs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 516.921908][T25399] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 516.941019][T25399] gfs2: fsid=_h: Now mounting FS... [ 516.951879][T25399] gfs2: not a GFS2 filesystem [ 516.960228][T25399] gfs2: fsid=_h: can't read superblock [ 516.968711][T25399] gfs2: fsid=_h: can't read superblock: -22 [ 517.503833][T25414] gfs2: not a GFS2 filesystem 17:43:57 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:57 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2o', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:57 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000]}, 0x4}, 0x1c) 17:43:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x41, 0x400000000000) 17:43:57 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x42, 0x400000000000) 17:43:57 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x4}, 0x1c) 17:43:57 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='bfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 517.861621][T25452] gfs2: not a GFS2 filesystem 17:43:58 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2p', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 517.968026][T25453] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 517.992803][T25453] gfs2: fsid=_h: Now mounting FS... [ 518.009419][T25453] gfs2: not a GFS2 filesystem 17:43:58 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x43, 0x400000000000) 17:43:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, 0x4}, 0x1c) 17:43:58 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 518.111024][T25453] gfs2: fsid=_h: can't read superblock [ 518.159115][T25453] gfs2: fsid=_h: can't read superblock: -22 [ 518.590776][T25491] gfs2: not a GFS2 filesystem 17:43:58 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4]}, 0x4}, 0x1c) 17:43:58 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x44, 0x400000000000) 17:43:58 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='dfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:58 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2q', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x4}, 0x1c) 17:43:58 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x45, 0x400000000000) 17:43:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, 0x4}, 0x1c) 17:43:59 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:43:59 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x46, 0x400000000000) 17:43:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, 0x4}, 0x1c) 17:43:59 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x47, 0x400000000000) [ 519.284678][T25540] gfs2: not a GFS2 filesystem [ 519.302857][T25525] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 519.346571][T25525] gfs2: fsid=_h: Now mounting FS... [ 519.380226][T25525] gfs2: not a GFS2 filesystem [ 519.403723][T25525] gfs2: fsid=_h: can't read superblock [ 519.447753][T25525] gfs2: fsid=_h: can't read superblock: -22 17:44:00 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:00 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='ffs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:00 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2r', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:00 executing program 2: syz_execute_func(&(0x7f0000000100)="3666440f50f564ff0941c366470f3832c4c4e2c9975842c4c27d794e0066420fe2e38f6978e2717ad3196f") clone(0x200, 0x0, 0x0, 0x0, 0x0) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000000340)='./file0\x00', 0x0, 0x0) mknod(&(0x7f00000000c0)='./file1\x00', 0xc009, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/ptmx\x00', 0x0, 0x0) read(r0, &(0x7f0000001ac0)=""/11, 0x58) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000200)) r1 = creat(&(0x7f0000000080)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x109) r2 = dup2(r0, r1) execve(&(0x7f00000000c0)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x0, 0x0) open$dir(&(0x7f0000000240)='./file0\x00', 0x841, 0x0) clone(0x20003102001ff8, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000040)='./file1\x00', 0x0, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, 0x0) 17:44:00 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x48, 0x400000000000) 17:44:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, 0x4}, 0x1c) 17:44:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9]}, 0x4}, 0x1c) 17:44:00 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x49, 0x400000000000) 17:44:00 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:00 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='hfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa]}, 0x4}, 0x1c) [ 520.283947][T25591] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 520.308420][T25617] sysfs: cannot create duplicate filename '/fs/gfs2/_h' 17:44:00 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x4a, 0x400000000000) [ 520.340637][T25591] gfs2: fsid=_h: Now mounting FS... [ 520.375989][T25617] CPU: 0 PID: 25617 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 520.392108][T25617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 520.402252][T25617] Call Trace: [ 520.406085][T25617] dump_stack+0x172/0x1f0 [ 520.410524][T25617] sysfs_warn_dup.cold+0x1c/0x31 [ 520.415508][T25617] sysfs_create_dir_ns+0x242/0x2a0 [ 520.420632][T25617] ? sysfs_create_mount_point+0xa0/0xa0 [ 520.426210][T25617] kobject_add_internal.cold+0xe5/0x5d4 [ 520.433128][T25617] kobject_init_and_add+0x101/0x160 [ 520.441983][T25617] ? kobject_add_internal+0x380/0x380 [ 520.447461][T25617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 520.453987][T25617] ? vsnprintf+0x58b/0x1af0 [ 520.458518][T25617] gfs2_sys_fs_add+0x1aa/0x470 [ 520.463295][T25617] ? recover_store+0x160/0x160 [ 520.468075][T25617] ? snprintf+0xbb/0xf0 [ 520.472243][T25617] ? vscnprintf+0x60/0x80 [ 520.476583][T25617] ? set_blocksize+0x2bf/0x340 [ 520.481411][T25617] ? memcpy+0x46/0x50 [ 520.485422][T25617] fill_super+0x12f5/0x25c0 [ 520.487450][T25591] gfs2: not a GFS2 filesystem [ 520.489954][T25617] ? gfs2_online_uevent+0x1f0/0x1f0 [ 520.489973][T25617] ? snprintf+0xbb/0xf0 [ 520.489990][T25617] ? vsprintf+0x40/0x40 [ 520.490011][T25617] ? wait_for_completion+0x440/0x440 [ 520.490028][T25617] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 520.490045][T25617] ? set_blocksize+0x2bf/0x340 [ 520.490064][T25617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 520.490084][T25617] gfs2_mount+0x504/0x5de [ 520.490105][T25617] ? fill_super+0x25c0/0x25c0 [ 520.490144][T25617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 520.490163][T25617] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 520.490188][T25617] ? fill_super+0x25c0/0x25c0 [ 520.490207][T25617] legacy_get_tree+0xf2/0x200 [ 520.490227][T25617] vfs_get_tree+0x123/0x450 [ 520.490245][T25617] do_mount+0x1436/0x2c40 [ 520.490266][T25617] ? copy_mount_string+0x40/0x40 [ 520.495560][T25591] gfs2: fsid=_h: can't read superblock [ 520.500132][T25617] ? _copy_from_user+0xdd/0x150 [ 520.500153][T25617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 520.500167][T25617] ? copy_mount_options+0x280/0x3a0 [ 520.500187][T25617] ksys_mount+0xdb/0x150 [ 520.500206][T25617] __x64_sys_mount+0xbe/0x150 [ 520.500227][T25617] do_syscall_64+0x103/0x610 [ 520.500249][T25617] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 520.500267][T25617] RIP: 0033:0x45ac7a [ 520.505200][T25591] gfs2: fsid=_h: can't read superblock: -22 [ 520.508658][T25617] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 520.508668][T25617] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 520.508683][T25617] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 520.508692][T25617] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 520.508702][T25617] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 520.508711][T25617] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 520.508721][T25617] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 520.540282][T25617] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 520.561488][T25617] gfs2: fsid=_h: error -17 adding sysfs files [ 520.965317][T25644] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 520.990683][T25644] gfs2: fsid=_h: Now mounting FS... [ 521.020331][T25644] gfs2: not a GFS2 filesystem [ 521.037680][T25644] gfs2: fsid=_h: can't read superblock [ 521.043348][T25644] gfs2: fsid=_h: can't read superblock: -22 17:44:01 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:01 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x4b, 0x400000000000) 17:44:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10]}, 0x4}, 0x1c) 17:44:01 executing program 2: 17:44:01 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='ifs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:01 executing program 2: 17:44:01 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x4c, 0x400000000000) 17:44:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300]}, 0x4}, 0x1c) 17:44:01 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:01 executing program 2: [ 521.421252][T25675] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500]}, 0x4}, 0x1c) 17:44:01 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x4d, 0x400000000000) [ 521.519547][T25675] gfs2: fsid=_h: Now mounting FS... [ 521.535845][T25673] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 521.563919][T25675] gfs2: not a GFS2 filesystem [ 521.571932][T25673] CPU: 1 PID: 25673 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 521.579944][T25673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 521.590391][T25673] Call Trace: [ 521.593230][T25675] gfs2: fsid=_h: can't read superblock [ 521.593697][T25673] dump_stack+0x172/0x1f0 [ 521.593722][T25673] sysfs_warn_dup.cold+0x1c/0x31 [ 521.608545][T25673] sysfs_create_dir_ns+0x242/0x2a0 [ 521.613677][T25673] ? sysfs_create_mount_point+0xa0/0xa0 [ 521.613885][T25675] gfs2: fsid=_h: can't read superblock: -22 [ 521.619301][T25673] kobject_add_internal.cold+0xe5/0x5d4 [ 521.619324][T25673] kobject_init_and_add+0x101/0x160 [ 521.619349][T25673] ? kobject_add_internal+0x380/0x380 [ 521.619370][T25673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 521.619386][T25673] ? vsnprintf+0x58b/0x1af0 [ 521.619413][T25673] gfs2_sys_fs_add+0x1aa/0x470 [ 521.656920][T25673] ? recover_store+0x160/0x160 [ 521.661711][T25673] ? snprintf+0xbb/0xf0 [ 521.665878][T25673] ? vscnprintf+0x60/0x80 [ 521.670229][T25673] ? check_memory_region+0xbb/0x190 [ 521.675444][T25673] ? memcpy+0x46/0x50 [ 521.679438][T25673] fill_super+0x12f5/0x25c0 [ 521.683953][T25673] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 521.689614][T25673] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 521.695095][T25673] ? gfs2_online_uevent+0x1f0/0x1f0 [ 521.700305][T25673] ? retint_kernel+0x2d/0x2d [ 521.704909][T25673] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 521.710654][T25673] ? set_blocksize+0x2bf/0x340 [ 521.715429][T25673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 521.721685][T25673] gfs2_mount+0x504/0x5de [ 521.726028][T25673] ? fill_super+0x25c0/0x25c0 [ 521.730740][T25673] ? retint_kernel+0x2d/0x2d [ 521.735354][T25673] ? fill_super+0x25c0/0x25c0 [ 521.740042][T25673] legacy_get_tree+0xf2/0x200 [ 521.744725][T25673] ? vfs_get_tree+0xd9/0x450 [ 521.749326][T25673] vfs_get_tree+0x123/0x450 [ 521.753846][T25673] do_mount+0x1436/0x2c40 [ 521.758182][T25673] ? retint_kernel+0x2d/0x2d [ 521.762791][T25673] ? copy_mount_string+0x40/0x40 [ 521.767735][T25673] ? copy_mount_options+0x208/0x3a0 [ 521.772949][T25673] ? write_comp_data+0x1e/0x70 [ 521.777728][T25673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 521.777745][T25673] ? copy_mount_options+0x280/0x3a0 [ 521.777768][T25673] ksys_mount+0xdb/0x150 [ 521.793432][T25673] __x64_sys_mount+0xbe/0x150 [ 521.793445][T25673] ? __x64_sys_mount+0x1/0x150 [ 521.793464][T25673] do_syscall_64+0x103/0x610 [ 521.793486][T25673] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 521.793498][T25673] RIP: 0033:0x45ac7a [ 521.793513][T25673] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 521.793522][T25673] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 521.813451][T25673] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 521.813460][T25673] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 521.813469][T25673] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 521.813478][T25673] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 521.813487][T25673] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 521.821391][T25673] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 521.868531][T25673] gfs2: fsid=_h: error -17 adding sysfs files 17:44:02 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:02 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x4e, 0x400000000000) 17:44:02 executing program 2: 17:44:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600]}, 0x4}, 0x1c) 17:44:02 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='mfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:02 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:02 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x4f, 0x400000000000) 17:44:02 executing program 2: 17:44:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700]}, 0x4}, 0x1c) [ 522.332529][T25715] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 522.352223][T25722] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 522.385825][T25715] gfs2: fsid=_h: Now mounting FS... [ 522.430545][T25715] gfs2: not a GFS2 filesystem [ 522.436835][T25722] CPU: 0 PID: 25722 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 522.444843][T25722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 522.454917][T25722] Call Trace: [ 522.458231][T25722] dump_stack+0x172/0x1f0 [ 522.462587][T25722] sysfs_warn_dup.cold+0x1c/0x31 [ 522.467556][T25722] sysfs_create_dir_ns+0x242/0x2a0 [ 522.472772][T25722] ? sysfs_create_mount_point+0xa0/0xa0 [ 522.478249][T25715] gfs2: fsid=_h: can't read superblock [ 522.478353][T25722] kobject_add_internal.cold+0xe5/0x5d4 [ 522.484108][T25715] gfs2: fsid=_h: can't read superblock: -22 [ 522.489362][T25722] kobject_init_and_add+0x101/0x160 [ 522.489378][T25722] ? kobject_add_internal+0x380/0x380 [ 522.489400][T25722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 522.489416][T25722] ? vsnprintf+0x58b/0x1af0 [ 522.489445][T25722] gfs2_sys_fs_add+0x1aa/0x470 [ 522.489470][T25722] ? recover_store+0x160/0x160 [ 522.526161][T25722] ? snprintf+0xbb/0xf0 [ 522.530333][T25722] ? vscnprintf+0x60/0x80 [ 522.534687][T25722] ? set_blocksize+0x2bf/0x340 [ 522.540357][T25722] ? memcpy+0x46/0x50 [ 522.544366][T25722] fill_super+0x12f5/0x25c0 [ 522.548894][T25722] ? gfs2_online_uevent+0x1f0/0x1f0 [ 522.554158][T25722] ? snprintf+0xbb/0xf0 [ 522.558328][T25722] ? vsprintf+0x40/0x40 [ 522.563409][T25722] ? wait_for_completion+0x440/0x440 [ 522.568723][T25722] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 522.574721][T25722] ? set_blocksize+0x2bf/0x340 [ 522.579518][T25722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 522.585792][T25722] gfs2_mount+0x504/0x5de [ 522.590229][T25722] ? fill_super+0x25c0/0x25c0 [ 522.594943][T25722] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 522.601201][T25722] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 522.606867][T25722] ? fill_super+0x25c0/0x25c0 [ 522.612288][T25722] legacy_get_tree+0xf2/0x200 [ 522.616998][T25722] vfs_get_tree+0x123/0x450 [ 522.621516][T25722] do_mount+0x1436/0x2c40 [ 522.625883][T25722] ? copy_mount_string+0x40/0x40 [ 522.630836][T25722] ? _copy_from_user+0xdd/0x150 [ 522.635701][T25722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 522.641952][T25722] ? copy_mount_options+0x280/0x3a0 [ 522.647268][T25722] ksys_mount+0xdb/0x150 [ 522.651523][T25722] __x64_sys_mount+0xbe/0x150 [ 522.656235][T25722] do_syscall_64+0x103/0x610 [ 522.661190][T25722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 522.667322][T25722] RIP: 0033:0x45ac7a [ 522.671256][T25722] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 522.691009][T25722] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 522.699432][T25722] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 522.707413][T25722] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 522.715578][T25722] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 522.723554][T25722] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 17:44:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x900]}, 0x4}, 0x1c) 17:44:02 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x50, 0x400000000000) 17:44:02 executing program 2: [ 522.731531][T25722] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 522.884331][T25722] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 522.924683][T25722] gfs2: fsid=_h: error -17 adding sysfs files [ 523.012144][T25753] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 523.027779][T25753] gfs2: fsid=_h: Now mounting FS... 17:44:03 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:03 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x51, 0x400000000000) 17:44:03 executing program 2: 17:44:03 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='rfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:03 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa00]}, 0x4}, 0x1c) [ 523.054452][T25753] gfs2: not a GFS2 filesystem [ 523.067608][T25753] gfs2: fsid=_h: can't read superblock [ 523.080321][T25753] gfs2: fsid=_h: can't read superblock: -22 [ 523.240947][T25768] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 523.277060][T25768] CPU: 0 PID: 25768 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 523.285096][T25768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 523.285103][T25768] Call Trace: [ 523.285130][T25768] dump_stack+0x172/0x1f0 [ 523.285156][T25768] sysfs_warn_dup.cold+0x1c/0x31 [ 523.285175][T25768] sysfs_create_dir_ns+0x242/0x2a0 [ 523.285193][T25768] ? sysfs_create_mount_point+0xa0/0xa0 [ 523.285227][T25768] kobject_add_internal.cold+0xe5/0x5d4 [ 523.312948][T25768] kobject_init_and_add+0x101/0x160 [ 523.312964][T25768] ? kobject_add_internal+0x380/0x380 [ 523.312986][T25768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 523.313001][T25768] ? vsnprintf+0x58b/0x1af0 [ 523.313029][T25768] gfs2_sys_fs_add+0x1aa/0x470 [ 523.313045][T25768] ? recover_store+0x160/0x160 [ 523.313064][T25768] ? snprintf+0xbb/0xf0 [ 523.313080][T25768] ? vscnprintf+0x60/0x80 [ 523.313100][T25768] ? memcpy_erms+0x8/0x10 [ 523.313123][T25768] ? memcpy+0x46/0x50 [ 523.324225][T25768] fill_super+0x12f5/0x25c0 [ 523.324243][T25768] ? retint_kernel+0x2d/0x2d [ 523.324260][T25768] ? trace_hardirqs_on_caller+0x6a/0x220 [ 523.324285][T25768] ? gfs2_online_uevent+0x1f0/0x1f0 [ 523.324300][T25768] ? retint_kernel+0x2d/0x2d [ 523.324325][T25768] ? sb_set_blocksize+0xa4/0x110 [ 523.324357][T25768] ? sb_set_blocksize+0xac/0x110 [ 523.334920][T25768] gfs2_mount+0x504/0x5de [ 523.334941][T25768] ? fill_super+0x25c0/0x25c0 [ 523.334990][T25768] ? fill_super+0x25c0/0x25c0 [ 523.335009][T25768] legacy_get_tree+0xf2/0x200 [ 523.335029][T25768] vfs_get_tree+0x123/0x450 [ 523.345773][T25768] do_mount+0x1436/0x2c40 [ 523.345796][T25768] ? copy_mount_string+0x40/0x40 [ 523.345814][T25768] ? copy_mount_options+0x198/0x3a0 [ 523.345831][T25768] ? __sanitizer_cov_trace_pc+0x8/0x50 [ 523.345852][T25768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 523.355388][T25768] ? copy_mount_options+0x280/0x3a0 [ 523.355406][T25768] ksys_mount+0xdb/0x150 [ 523.355423][T25768] __x64_sys_mount+0xbe/0x150 [ 523.355444][T25768] do_syscall_64+0x103/0x610 [ 523.355470][T25768] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 523.355484][T25768] RIP: 0033:0x45ac7a [ 523.355501][T25768] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 523.355517][T25768] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 523.363975][T25768] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 523.363985][T25768] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 523.363994][T25768] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 523.364003][T25768] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 523.364012][T25768] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 523.365657][T25768] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 523.569384][T25768] gfs2: fsid=_h: error -17 adding sysfs files 17:44:03 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xff', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:03 executing program 2: 17:44:03 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00]}, 0x4}, 0x1c) 17:44:03 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='sfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:03 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x52, 0x400000000000) 17:44:03 executing program 2: 17:44:03 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000]}, 0x4}, 0x1c) 17:44:04 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:04 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x53, 0x400000000000) 17:44:04 executing program 2: 17:44:04 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80fe]}, 0x4}, 0x1c) 17:44:04 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='tfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:04 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x54, 0x400000000000) 17:44:04 executing program 2: 17:44:04 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe80]}, 0x4}, 0x1c) [ 524.213814][T25813] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 524.221261][T25813] gfs2: fsid=_h: Now mounting FS... 17:44:04 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:04 executing program 2: [ 524.264128][T25813] gfs2: not a GFS2 filesystem [ 524.283509][T25813] gfs2: fsid=_h: can't read superblock [ 524.291846][T25813] gfs2: fsid=_h: can't read superblock: -22 17:44:04 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000]}, 0x4}, 0x1c) 17:44:04 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x55, 0x400000000000) 17:44:04 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:04 executing program 2: 17:44:04 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000]}, 0x4}, 0x1c) 17:44:04 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x56, 0x400000000000) 17:44:04 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='xfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:05 executing program 2: [ 524.855453][T25855] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 524.862847][T25855] gfs2: fsid=_h: Now mounting FS... [ 524.942564][T25855] gfs2: not a GFS2 filesystem 17:44:05 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000]}, 0x4}, 0x1c) 17:44:05 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x57, 0x400000000000) [ 524.974671][T25855] gfs2: fsid=_h: can't read superblock [ 524.993318][T25855] gfs2: fsid=_h: can't read superblock: -22 [ 525.019044][T25869] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 525.062329][T25869] CPU: 0 PID: 25869 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 525.070380][T25869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 525.080440][T25869] Call Trace: [ 525.080476][T25869] dump_stack+0x172/0x1f0 [ 525.080502][T25869] sysfs_warn_dup.cold+0x1c/0x31 [ 525.080521][T25869] sysfs_create_dir_ns+0x242/0x2a0 [ 525.080538][T25869] ? sysfs_create_mount_point+0xa0/0xa0 [ 525.080568][T25869] kobject_add_internal.cold+0xe5/0x5d4 [ 525.109324][T25869] kobject_init_and_add+0x101/0x160 [ 525.109341][T25869] ? kobject_add_internal+0x380/0x380 [ 525.109373][T25869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.109390][T25869] ? vsnprintf+0x58b/0x1af0 [ 525.109417][T25869] gfs2_sys_fs_add+0x1aa/0x470 [ 525.135437][T25869] ? recover_store+0x160/0x160 [ 525.140245][T25869] ? snprintf+0xbb/0xf0 [ 525.144438][T25869] ? vscnprintf+0x60/0x80 [ 525.148795][T25869] ? memcpy+0x46/0x50 [ 525.152793][T25869] fill_super+0x12f5/0x25c0 [ 525.157325][T25869] ? gfs2_online_uevent+0x1f0/0x1f0 [ 525.162550][T25869] ? snprintf+0xbb/0xf0 [ 525.166718][T25869] ? vsprintf+0x40/0x40 [ 525.170918][T25869] ? wait_for_completion+0x440/0x440 [ 525.176217][T25869] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 525.181947][T25869] ? set_blocksize+0x2bf/0x340 [ 525.186725][T25869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.192991][T25869] gfs2_mount+0x504/0x5de [ 525.197339][T25869] ? fill_super+0x25c0/0x25c0 [ 525.202072][T25869] ? retint_kernel+0x2d/0x2d [ 525.206667][T25869] ? fill_super+0x25c0/0x25c0 [ 525.206688][T25869] legacy_get_tree+0xf2/0x200 [ 525.206707][T25869] vfs_get_tree+0x123/0x450 [ 525.216165][T25869] do_mount+0x1436/0x2c40 [ 525.216188][T25869] ? copy_mount_string+0x40/0x40 [ 525.216203][T25869] ? copy_mount_options+0x208/0x3a0 [ 525.216219][T25869] ? copy_mount_options+0x208/0x3a0 [ 525.216234][T25869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.216247][T25869] ? copy_mount_options+0x280/0x3a0 [ 525.216267][T25869] ksys_mount+0xdb/0x150 [ 525.216284][T25869] __x64_sys_mount+0xbe/0x150 [ 525.216306][T25869] do_syscall_64+0x103/0x610 [ 525.225123][T25869] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 525.225136][T25869] RIP: 0033:0x45ac7a [ 525.225152][T25869] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 525.225159][T25869] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 525.225174][T25869] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 525.225184][T25869] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 525.225193][T25869] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 525.225202][T25869] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 525.225218][T25869] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 525.244748][T25869] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 525.267379][T25869] gfs2: fsid=_h: error -17 adding sysfs files [ 525.465171][T25894] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 525.472557][T25894] gfs2: fsid=_h: Now mounting FS... [ 525.517301][T25894] gfs2: not a GFS2 filesystem [ 525.522281][T25894] gfs2: fsid=_h: can't read superblock [ 525.533147][T25894] gfs2: fsid=_h: can't read superblock: -22 17:44:05 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:05 executing program 2: 17:44:05 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000]}, 0x4}, 0x1c) 17:44:05 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x58, 0x400000000000) 17:44:05 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='g\ns2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:05 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:05 executing program 2: 17:44:05 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x59, 0x400000000000) [ 525.744370][T25921] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 525.779751][T25907] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 525.799416][T25907] CPU: 0 PID: 25907 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 525.807451][T25907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 525.817525][T25907] Call Trace: [ 525.820832][T25907] dump_stack+0x172/0x1f0 [ 525.824158][T25921] gfs2: fsid=_h: Now mounting FS... [ 525.825186][T25907] sysfs_warn_dup.cold+0x1c/0x31 [ 525.825207][T25907] sysfs_create_dir_ns+0x242/0x2a0 [ 525.825227][T25907] ? sysfs_create_mount_point+0xa0/0xa0 [ 525.825259][T25907] kobject_add_internal.cold+0xe5/0x5d4 [ 525.835300][T25921] gfs2: not a GFS2 filesystem [ 525.835477][T25907] kobject_init_and_add+0x101/0x160 [ 525.845273][T25921] gfs2: fsid=_h: can't read superblock [ 525.846284][T25907] ? kobject_add_internal+0x380/0x380 [ 525.846307][T25907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.846322][T25907] ? vsnprintf+0x58b/0x1af0 [ 525.846361][T25907] gfs2_sys_fs_add+0x1aa/0x470 [ 525.854429][T25921] gfs2: fsid=_h: can't read superblock: -22 [ 525.856724][T25907] ? recover_store+0x160/0x160 17:44:05 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000]}, 0x4}, 0x1c) 17:44:05 executing program 2: 17:44:06 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x5a, 0x400000000000) [ 525.856746][T25907] ? snprintf+0xbb/0xf0 [ 525.856763][T25907] ? vscnprintf+0x60/0x80 [ 525.856782][T25907] ? set_blocksize+0x2bf/0x340 [ 525.856803][T25907] ? memcpy+0x46/0x50 [ 525.899081][T25907] fill_super+0x12f5/0x25c0 [ 525.899104][T25907] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 525.899129][T25907] ? gfs2_online_uevent+0x1f0/0x1f0 [ 525.907606][T25907] ? set_blocksize+0x80/0x340 [ 525.907624][T25907] ? audit_add_tree_rule.cold+0x37/0x37 [ 525.907639][T25907] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 525.907653][T25907] ? set_blocksize+0x2bf/0x340 [ 525.907672][T25907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.907694][T25907] gfs2_mount+0x504/0x5de [ 525.907714][T25907] ? fill_super+0x25c0/0x25c0 [ 525.916467][T25907] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 525.916486][T25907] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 525.916511][T25907] ? fill_super+0x25c0/0x25c0 [ 525.916530][T25907] legacy_get_tree+0xf2/0x200 [ 525.916552][T25907] vfs_get_tree+0x123/0x450 [ 525.926509][T25907] do_mount+0x1436/0x2c40 [ 525.926532][T25907] ? copy_mount_string+0x40/0x40 [ 525.926548][T25907] ? copy_mount_options+0x198/0x3a0 [ 525.926564][T25907] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 525.926581][T25907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.926594][T25907] ? copy_mount_options+0x280/0x3a0 [ 525.926614][T25907] ksys_mount+0xdb/0x150 [ 525.926633][T25907] __x64_sys_mount+0xbe/0x150 [ 525.937211][T25907] ? do_syscall_64+0x5b/0x610 [ 525.937228][T25907] do_syscall_64+0x103/0x610 [ 525.937250][T25907] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 525.937262][T25907] RIP: 0033:0x45ac7a [ 525.937278][T25907] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 525.937287][T25907] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 525.937302][T25907] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 525.937318][T25907] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 525.948595][T25907] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 525.948604][T25907] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 525.948612][T25907] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 525.953889][T25907] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 525.976591][T25907] gfs2: fsid=_h: error -17 adding sysfs files 17:44:06 executing program 2: 17:44:06 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:06 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000]}, 0x4}, 0x1c) 17:44:06 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x5b, 0x400000000000) 17:44:06 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='g%s2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:06 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:06 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000]}, 0x4}, 0x1c) 17:44:06 executing program 2: add_key(&(0x7f0000000000)='ceph\x00', 0x0, &(0x7f0000000080)='R', 0x1, 0xfffffffffffffffc) 17:44:06 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x5c, 0x400000000000) [ 526.498891][T25955] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 526.507199][T25954] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 526.540325][T25954] gfs2: fsid=_h: Now mounting FS... [ 526.548447][T25955] CPU: 1 PID: 25955 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 526.556445][T25955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 526.556453][T25955] Call Trace: [ 526.556478][T25955] dump_stack+0x172/0x1f0 [ 526.556504][T25955] sysfs_warn_dup.cold+0x1c/0x31 [ 526.556524][T25955] sysfs_create_dir_ns+0x242/0x2a0 [ 526.556548][T25955] ? sysfs_create_mount_point+0xa0/0xa0 [ 526.589813][T25955] kobject_add_internal.cold+0xe5/0x5d4 [ 526.595388][T25955] kobject_init_and_add+0x101/0x160 [ 526.600600][T25955] ? kobject_add_internal+0x380/0x380 [ 526.600623][T25955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 526.600640][T25955] ? vsnprintf+0x58b/0x1af0 [ 526.600668][T25955] gfs2_sys_fs_add+0x1aa/0x470 [ 526.600689][T25955] ? recover_store+0x160/0x160 [ 526.626308][T25955] ? snprintf+0xbb/0xf0 [ 526.630516][T25955] ? vscnprintf+0x60/0x80 [ 526.634889][T25955] fill_super+0x12f5/0x25c0 17:44:06 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x5d, 0x400000000000) [ 526.639417][T25955] ? gfs2_online_uevent+0x1f0/0x1f0 [ 526.644629][T25955] ? snprintf+0xbb/0xf0 [ 526.648798][T25955] ? vsprintf+0x40/0x40 [ 526.653179][T25955] ? wait_for_completion+0x440/0x440 [ 526.658525][T25955] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 526.664261][T25955] ? set_blocksize+0x2bf/0x340 [ 526.669040][T25955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 526.675300][T25955] gfs2_mount+0x504/0x5de [ 526.675321][T25955] ? fill_super+0x25c0/0x25c0 [ 526.675370][T25955] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 526.675387][T25955] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 526.675408][T25955] ? fill_super+0x25c0/0x25c0 [ 526.675427][T25955] legacy_get_tree+0xf2/0x200 [ 526.675446][T25955] vfs_get_tree+0x123/0x450 [ 526.675461][T25955] do_mount+0x1436/0x2c40 [ 526.675481][T25955] ? copy_mount_string+0x40/0x40 [ 526.675498][T25955] ? __sanitizer_cov_trace_pc+0x1/0x50 [ 526.675515][T25955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 526.675528][T25955] ? copy_mount_options+0x280/0x3a0 [ 526.675545][T25955] ksys_mount+0xdb/0x150 [ 526.675562][T25955] __x64_sys_mount+0xbe/0x150 [ 526.675575][T25955] ? __x64_sys_mount+0x1/0x150 [ 526.675598][T25955] do_syscall_64+0x103/0x610 [ 526.719559][T25955] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 526.744020][T25954] gfs2: not a GFS2 filesystem [ 526.745716][T25955] RIP: 0033:0x45ac7a [ 526.745733][T25955] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 526.745742][T25955] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 526.745757][T25955] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 526.745766][T25955] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 526.745783][T25955] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 526.771739][T25954] gfs2: fsid=_h: can't read superblock [ 526.789180][T25955] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 17:44:07 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000]}, 0x4}, 0x1c) [ 526.789190][T25955] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:44:07 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x5, &(0x7f0000000080), 0x4) 17:44:07 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000]}, 0x4}, 0x1c) [ 526.938755][T25955] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 526.953047][T25955] gfs2: fsid=_h: error -17 adding sysfs files [ 526.956854][T25954] gfs2: fsid=_h: can't read superblock: -22 17:44:07 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:07 executing program 2: syz_execute_func(&(0x7f0000000140)="3666440f50f564ff0941c39442c27d794e0066420fe2e33e0f1110c442019dccd3196f") clone(0x1000000200, 0x0, 0x0, 0x0, 0x0) symlink(&(0x7f0000000400)='./file1\x00', &(0x7f0000000440)='./file1\x00') mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000000400)='./file0\x00', 0x0, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) read(r0, &(0x7f0000000540)=""/11, 0x485) execve(&(0x7f0000000180)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000200)) r1 = creat(&(0x7f0000000080)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x38) dup2(r0, r1) open$dir(&(0x7f00000001c0)='./file0\x00', 0x841, 0x0) clone(0x3302001ff6, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000000)='./file1\x00', 0x0, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(r1, 0x40106614, &(0x7f00000000c0)={0x0, @speck128}) 17:44:07 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:07 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x5e, 0x400000000000) 17:44:07 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='g.s2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:07 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9000000]}, 0x4}, 0x1c) 17:44:07 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x5f, 0x400000000000) 17:44:07 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa000000]}, 0x4}, 0x1c) [ 527.458966][T26001] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 527.482454][T26020] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 527.487380][T26001] CPU: 0 PID: 26001 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 527.490546][T26020] gfs2: fsid=_h: Now mounting FS... [ 527.497862][T26001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 527.497869][T26001] Call Trace: [ 527.497898][T26001] dump_stack+0x172/0x1f0 [ 527.497922][T26001] sysfs_warn_dup.cold+0x1c/0x31 [ 527.497943][T26001] sysfs_create_dir_ns+0x242/0x2a0 [ 527.497961][T26001] ? sysfs_create_mount_point+0xa0/0xa0 [ 527.498005][T26001] kobject_add_internal.cold+0xe5/0x5d4 [ 527.504008][T26020] gfs2: not a GFS2 filesystem [ 527.513256][T26001] kobject_init_and_add+0x101/0x160 [ 527.513273][T26001] ? kobject_add_internal+0x380/0x380 [ 527.513294][T26001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 527.513309][T26001] ? vsnprintf+0x58b/0x1af0 [ 527.513337][T26001] gfs2_sys_fs_add+0x1aa/0x470 [ 527.513363][T26001] ? recover_store+0x160/0x160 [ 527.513383][T26001] ? snprintf+0xbb/0xf0 [ 527.513405][T26001] ? vscnprintf+0x60/0x80 [ 527.516869][T26020] gfs2: fsid=_h: can't read superblock [ 527.521026][T26001] ? set_blocksize+0x2bf/0x340 [ 527.521049][T26001] ? memcpy+0x46/0x50 [ 527.521073][T26001] fill_super+0x12f5/0x25c0 [ 527.521104][T26001] ? gfs2_online_uevent+0x1f0/0x1f0 [ 527.521125][T26001] ? snprintf+0xbb/0xf0 [ 527.526243][T26020] gfs2: fsid=_h: can't read superblock: -22 [ 527.531171][T26001] ? vsprintf+0x40/0x40 [ 527.531193][T26001] ? wait_for_completion+0x440/0x440 [ 527.531209][T26001] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 527.531223][T26001] ? set_blocksize+0x2bf/0x340 [ 527.531243][T26001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 527.531272][T26001] gfs2_mount+0x504/0x5de [ 527.578823][T26001] ? fill_super+0x25c0/0x25c0 17:44:07 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x60, 0x400000000000) [ 527.578871][T26001] ? security_sb_eat_lsm_opts+0x35/0xb0 [ 527.578889][T26001] ? audit_add_tree_rule.cold+0x37/0x37 [ 527.578907][T26001] ? fill_super+0x25c0/0x25c0 [ 527.578930][T26001] legacy_get_tree+0xf2/0x200 [ 527.587395][T26001] vfs_get_tree+0x123/0x450 [ 527.587414][T26001] do_mount+0x1436/0x2c40 [ 527.587438][T26001] ? copy_mount_string+0x40/0x40 [ 527.587457][T26001] ? copy_mount_options+0x1fb/0x3a0 [ 527.587480][T26001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 527.587499][T26001] ? copy_mount_options+0x280/0x3a0 [ 527.597721][T26001] ksys_mount+0xdb/0x150 [ 527.597741][T26001] __x64_sys_mount+0xbe/0x150 [ 527.597762][T26001] do_syscall_64+0x103/0x610 [ 527.597784][T26001] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 527.597796][T26001] RIP: 0033:0x45ac7a [ 527.597819][T26001] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 527.606289][T26001] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 527.606303][T26001] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 527.606313][T26001] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 527.606322][T26001] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 527.606331][T26001] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 527.606340][T26001] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:44:08 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ptmx\x00', 0x0, 0x0) read(r0, &(0x7f0000000300)=""/11, 0x292) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) clone(0x3102001ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socket$inet6(0xa, 0x1, 0xfffffffffffffffe) ioctl$TUNGETFILTER(r0, 0x801054db, 0x0) [ 527.678780][T26001] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 527.768858][T26001] gfs2: fsid=_h: error -17 adding sysfs files 17:44:08 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000]}, 0x4}, 0x1c) 17:44:08 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x61, 0x400000000000) [ 527.991909][T26049] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 528.023443][T26049] gfs2: fsid=_h: Now mounting FS... [ 528.031170][T26049] gfs2: not a GFS2 filesystem [ 528.077204][T26049] gfs2: fsid=_h: can't read superblock [ 528.082927][T26049] gfs2: fsid=_h: can't read superblock: -22 17:44:08 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:08 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='g/s2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:08 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:08 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000]}, 0x4}, 0x1c) 17:44:08 executing program 2: pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff}, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) clone(0x7fd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) close(r0) pread64(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r1 = inotify_init() mount$9p_fd(0x0, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000180)='9p\x00', 0x0, &(0x7f0000000340)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 17:44:08 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x62, 0x400000000000) 17:44:08 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:08 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000]}, 0x4}, 0x1c) 17:44:08 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x63, 0x400000000000) [ 528.444884][T26082] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 528.461013][T26074] sysfs: cannot create duplicate filename '/fs/gfs2/_h' 17:44:08 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x64, 0x400000000000) 17:44:08 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff]}, 0x4}, 0x1c) [ 528.523188][T26082] gfs2: fsid=_h: Now mounting FS... [ 528.528940][T26074] CPU: 1 PID: 26074 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 528.537901][T26074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 528.547972][T26074] Call Trace: [ 528.551281][T26074] dump_stack+0x172/0x1f0 [ 528.555628][T26074] sysfs_warn_dup.cold+0x1c/0x31 [ 528.560587][T26074] sysfs_create_dir_ns+0x242/0x2a0 [ 528.565714][T26074] ? sysfs_create_mount_point+0xa0/0xa0 [ 528.570621][T26082] gfs2: not a GFS2 filesystem [ 528.571292][T26074] kobject_add_internal.cold+0xe5/0x5d4 [ 528.571314][T26074] kobject_init_and_add+0x101/0x160 [ 528.576258][T26082] gfs2: fsid=_h: can't read superblock [ 528.581558][T26074] ? kobject_add_internal+0x380/0x380 [ 528.581581][T26074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 528.581597][T26074] ? vsnprintf+0x58b/0x1af0 [ 528.581624][T26074] gfs2_sys_fs_add+0x1aa/0x470 [ 528.581641][T26074] ? recover_store+0x160/0x160 [ 528.581662][T26074] ? snprintf+0xbb/0xf0 [ 528.587072][T26082] gfs2: fsid=_h: can't read superblock: -22 [ 528.592311][T26074] ? vscnprintf+0x60/0x80 [ 528.592332][T26074] ? set_blocksize+0x2bf/0x340 [ 528.592363][T26074] ? memcpy+0x46/0x50 [ 528.592388][T26074] fill_super+0x12f5/0x25c0 [ 528.592416][T26074] ? gfs2_online_uevent+0x1f0/0x1f0 [ 528.632339][T26074] ? snprintf+0xbb/0xf0 [ 528.632367][T26074] ? vsprintf+0x40/0x40 [ 528.632389][T26074] ? wait_for_completion+0x440/0x440 [ 528.632412][T26074] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 528.641138][T26074] ? set_blocksize+0x2bf/0x340 [ 528.641159][T26074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.641182][T26074] gfs2_mount+0x504/0x5de [ 528.641203][T26074] ? fill_super+0x25c0/0x25c0 [ 528.641250][T26074] ? fill_super+0x25c0/0x25c0 [ 528.650921][T26074] legacy_get_tree+0xf2/0x200 [ 528.650942][T26074] vfs_get_tree+0x123/0x450 [ 528.650966][T26074] do_mount+0x1436/0x2c40 [ 528.650990][T26074] ? copy_mount_string+0x40/0x40 [ 528.651008][T26074] ? copy_mount_options+0x229/0x3a0 17:44:08 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf\n2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 528.659291][T26074] ? __sanitizer_cov_trace_pc+0x44/0x50 [ 528.659309][T26074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.659324][T26074] ? copy_mount_options+0x280/0x3a0 [ 528.659342][T26074] ksys_mount+0xdb/0x150 [ 528.659369][T26074] __x64_sys_mount+0xbe/0x150 [ 528.659394][T26074] do_syscall_64+0x103/0x610 [ 528.671090][T26074] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 528.671104][T26074] RIP: 0033:0x45ac7a [ 528.671120][T26074] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 528.671128][T26074] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 528.671142][T26074] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 528.671151][T26074] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 528.671168][T26074] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 528.682323][T26074] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 528.682332][T26074] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 528.735053][T26074] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 528.742672][T26074] gfs2: fsid=_h: error -17 adding sysfs files [ 529.042204][T26118] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 529.063370][T26091] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 529.083786][T26118] CPU: 1 PID: 26118 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 529.091826][T26118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 529.101916][T26118] Call Trace: [ 529.105239][T26118] dump_stack+0x172/0x1f0 [ 529.109597][T26118] sysfs_warn_dup.cold+0x1c/0x31 [ 529.114560][T26118] sysfs_create_dir_ns+0x242/0x2a0 [ 529.119782][T26118] ? sysfs_create_mount_point+0xa0/0xa0 [ 529.125371][T26118] kobject_add_internal.cold+0xe5/0x5d4 [ 529.130986][T26118] kobject_init_and_add+0x101/0x160 [ 529.136402][T26118] ? kobject_add_internal+0x380/0x380 [ 529.141794][T26118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 529.148054][T26118] ? vsnprintf+0x58b/0x1af0 [ 529.152584][T26118] gfs2_sys_fs_add+0x1aa/0x470 [ 529.153118][T26091] gfs2: fsid=_h: Now mounting FS... [ 529.157371][T26118] ? recover_store+0x160/0x160 [ 529.157393][T26118] ? snprintf+0xbb/0xf0 [ 529.157410][T26118] ? vscnprintf+0x60/0x80 [ 529.157430][T26118] ? set_blocksize+0x2bf/0x340 [ 529.157452][T26118] ? memcpy+0x46/0x50 [ 529.157474][T26118] fill_super+0x12f5/0x25c0 [ 529.157506][T26118] ? gfs2_online_uevent+0x1f0/0x1f0 [ 529.167150][T26091] gfs2: not a GFS2 filesystem [ 529.167467][T26118] ? snprintf+0xbb/0xf0 [ 529.167484][T26118] ? vsprintf+0x40/0x40 [ 529.167506][T26118] ? wait_for_completion+0x440/0x440 [ 529.167523][T26118] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 529.167544][T26118] ? set_blocksize+0x2bf/0x340 [ 529.172076][T26091] gfs2: fsid=_h: can't read superblock [ 529.176006][T26118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.176028][T26118] gfs2_mount+0x504/0x5de [ 529.176047][T26118] ? fill_super+0x25c0/0x25c0 [ 529.176088][T26118] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 529.176105][T26118] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 529.176131][T26118] ? fill_super+0x25c0/0x25c0 [ 529.176150][T26118] legacy_get_tree+0xf2/0x200 [ 529.176170][T26118] vfs_get_tree+0x123/0x450 [ 529.176189][T26118] do_mount+0x1436/0x2c40 [ 529.176212][T26118] ? copy_mount_string+0x40/0x40 [ 529.176237][T26118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.176251][T26118] ? copy_mount_options+0x280/0x3a0 [ 529.176277][T26118] ksys_mount+0xdb/0x150 [ 529.181426][T26091] gfs2: fsid=_h: can't read superblock: -22 [ 529.185005][T26118] __x64_sys_mount+0xbe/0x150 [ 529.185027][T26118] do_syscall_64+0x103/0x610 [ 529.185048][T26118] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 529.185061][T26118] RIP: 0033:0x45ac7a [ 529.185077][T26118] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 529.185086][T26118] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 529.185100][T26118] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 529.185110][T26118] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 529.185119][T26118] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 529.185129][T26118] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 529.185138][T26118] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 529.217083][T26118] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 529.279326][T26118] gfs2: fsid=_h: error -17 adding sysfs files 17:44:09 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:09 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:09 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x65, 0x400000000000) 17:44:09 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe800000]}, 0x4}, 0x1c) 17:44:09 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:09 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf#2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:09 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5]}, 0x4}, 0x1c) 17:44:09 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x66, 0x400000000000) [ 529.789500][T26133] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 529.825274][T26133] gfs2: fsid=_h: Now mounting FS... [ 529.841149][T26133] gfs2: not a GFS2 filesystem 17:44:10 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x67, 0x400000000000) [ 529.873017][T26133] gfs2: fsid=_h: can't read superblock [ 529.891092][T26133] gfs2: fsid=_h: can't read superblock: -22 [ 529.903796][T26156] sysfs: cannot create duplicate filename '/fs/gfs2/_h' 17:44:10 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000000000]}, 0x4}, 0x1c) [ 529.929730][T26146] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 529.989306][T26156] CPU: 0 PID: 26156 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 529.997441][T26156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.007611][T26156] Call Trace: [ 530.010926][T26156] dump_stack+0x172/0x1f0 [ 530.015276][T26156] sysfs_warn_dup.cold+0x1c/0x31 [ 530.020230][T26156] sysfs_create_dir_ns+0x242/0x2a0 [ 530.025406][T26156] ? sysfs_create_mount_point+0xa0/0xa0 [ 530.031241][T26156] kobject_add_internal.cold+0xe5/0x5d4 [ 530.036808][T26156] kobject_init_and_add+0x101/0x160 [ 530.042016][T26156] ? kobject_add_internal+0x380/0x380 [ 530.047425][T26156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 530.053694][T26156] ? vsnprintf+0x58b/0x1af0 [ 530.058499][T26156] gfs2_sys_fs_add+0x1aa/0x470 [ 530.063277][T26156] ? recover_store+0x160/0x160 [ 530.068187][T26156] ? snprintf+0xbb/0xf0 [ 530.072360][T26156] ? vscnprintf+0x60/0x80 [ 530.076826][T26156] ? set_blocksize+0x2bf/0x340 [ 530.081604][T26156] ? memcpy+0x46/0x50 [ 530.085608][T26156] fill_super+0x12f5/0x25c0 [ 530.090230][T26156] ? gfs2_online_uevent+0x1f0/0x1f0 [ 530.095455][T26156] ? snprintf+0xbb/0xf0 [ 530.099630][T26156] ? vsprintf+0x40/0x40 [ 530.103800][T26156] ? wait_for_completion+0x440/0x440 [ 530.109191][T26156] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 530.114932][T26156] ? set_blocksize+0x2bf/0x340 [ 530.119713][T26156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.125973][T26156] gfs2_mount+0x504/0x5de [ 530.130318][T26156] ? fill_super+0x25c0/0x25c0 [ 530.135070][T26156] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 530.141324][T26156] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 530.146982][T26156] ? fill_super+0x25c0/0x25c0 [ 530.151671][T26156] legacy_get_tree+0xf2/0x200 [ 530.156369][T26156] vfs_get_tree+0x123/0x450 [ 530.160882][T26156] do_mount+0x1436/0x2c40 [ 530.165229][T26156] ? copy_mount_string+0x40/0x40 [ 530.170182][T26156] ? _copy_from_user+0xdd/0x150 [ 530.175052][T26156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.181320][T26156] ? copy_mount_options+0x280/0x3a0 [ 530.186537][T26156] ksys_mount+0xdb/0x150 [ 530.190791][T26156] __x64_sys_mount+0xbe/0x150 [ 530.195516][T26156] do_syscall_64+0x103/0x610 [ 530.200144][T26156] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 530.206409][T26156] RIP: 0033:0x45ac7a [ 530.210313][T26156] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 530.230028][T26156] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 17:44:10 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x68, 0x400000000000) [ 530.238455][T26156] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 530.246444][T26156] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 530.254428][T26156] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 530.262416][T26156] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 530.270579][T26156] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 530.278595][T26146] CPU: 1 PID: 26146 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 530.282750][T26156] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 530.286592][T26146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.286598][T26146] Call Trace: [ 530.286622][T26146] dump_stack+0x172/0x1f0 [ 530.286643][T26146] sysfs_warn_dup.cold+0x1c/0x31 [ 530.286660][T26146] sysfs_create_dir_ns+0x242/0x2a0 [ 530.286674][T26146] ? sysfs_create_mount_point+0xa0/0xa0 [ 530.286704][T26146] kobject_add_internal.cold+0xe5/0x5d4 [ 530.286724][T26146] kobject_init_and_add+0x101/0x160 [ 530.299827][T26156] gfs2: fsid=_h: error -17 adding sysfs files [ 530.309669][T26146] ? kobject_add_internal+0x380/0x380 [ 530.309689][T26146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 530.309704][T26146] ? vsnprintf+0x58b/0x1af0 [ 530.309731][T26146] gfs2_sys_fs_add+0x1aa/0x470 [ 530.309746][T26146] ? recover_store+0x160/0x160 [ 530.309764][T26146] ? snprintf+0xbb/0xf0 [ 530.309779][T26146] ? vscnprintf+0x60/0x80 [ 530.309803][T26146] ? __sanitizer_cov_trace_const_cmp2+0x20/0x20 [ 530.396539][T26146] ? memcpy+0x46/0x50 [ 530.400556][T26146] fill_super+0x12f5/0x25c0 [ 530.405116][T26146] ? gfs2_online_uevent+0x1f0/0x1f0 [ 530.410493][T26146] ? snprintf+0xbb/0xf0 [ 530.414666][T26146] ? vsprintf+0x40/0x40 [ 530.418844][T26146] ? wait_for_completion+0x440/0x440 [ 530.424153][T26146] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 530.431929][T26146] ? set_blocksize+0x2bf/0x340 [ 530.437785][T26146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.444049][T26146] gfs2_mount+0x504/0x5de [ 530.448401][T26146] ? fill_super+0x25c0/0x25c0 [ 530.453116][T26146] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 530.459383][T26146] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 530.465224][T26146] ? fill_super+0x25c0/0x25c0 [ 530.469919][T26146] legacy_get_tree+0xf2/0x200 [ 530.474633][T26146] vfs_get_tree+0x123/0x450 [ 530.479152][T26146] do_mount+0x1436/0x2c40 [ 530.483508][T26146] ? copy_mount_string+0x40/0x40 [ 530.488461][T26146] ? copy_mount_options+0x198/0x3a0 [ 530.493676][T26146] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 530.499232][T26146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.499248][T26146] ? copy_mount_options+0x280/0x3a0 [ 530.499268][T26146] ksys_mount+0xdb/0x150 [ 530.499287][T26146] __x64_sys_mount+0xbe/0x150 [ 530.499299][T26146] ? __x64_sys_mount+0x1/0x150 [ 530.499320][T26146] do_syscall_64+0x103/0x610 [ 530.499341][T26146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 530.499364][T26146] RIP: 0033:0x45ac7a [ 530.499380][T26146] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 530.499389][T26146] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 530.499404][T26146] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 530.499414][T26146] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 17:44:10 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf%2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 530.499423][T26146] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 530.499432][T26146] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 530.499442][T26146] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 530.601736][T26146] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 530.642414][T26146] gfs2: fsid=_h: error -17 adding sysfs files 17:44:11 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:11 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:11 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000]}, 0x4}, 0x1c) 17:44:11 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x69, 0x400000000000) 17:44:11 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 531.025238][T26191] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 531.046724][T26191] gfs2: fsid=_h: Now mounting FS... 17:44:11 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000]}, 0x4}, 0x1c) [ 531.077806][T26191] gfs2: not a GFS2 filesystem [ 531.133244][T26191] gfs2: fsid=_h: can't read superblock 17:44:11 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x6a, 0x400000000000) [ 531.189117][T26191] gfs2: fsid=_h: can't read superblock: -22 [ 531.197446][T26200] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 531.231287][T26200] CPU: 0 PID: 26200 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 531.239364][T26200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 531.249523][T26200] Call Trace: [ 531.252838][T26200] dump_stack+0x172/0x1f0 [ 531.257192][T26200] sysfs_warn_dup.cold+0x1c/0x31 [ 531.262238][T26200] sysfs_create_dir_ns+0x242/0x2a0 [ 531.267365][T26200] ? sysfs_create_mount_point+0xa0/0xa0 [ 531.272939][T26200] kobject_add_internal.cold+0xe5/0x5d4 17:44:11 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf*2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:11 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x6b, 0x400000000000) [ 531.278508][T26200] kobject_init_and_add+0x101/0x160 [ 531.284190][T26200] ? kobject_add_internal+0x380/0x380 [ 531.289576][T26200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 531.295830][T26200] ? vsnprintf+0x58b/0x1af0 [ 531.300396][T26200] gfs2_sys_fs_add+0x1aa/0x470 [ 531.305179][T26200] ? recover_store+0x160/0x160 [ 531.309962][T26200] ? snprintf+0xbb/0xf0 [ 531.314125][T26200] ? vscnprintf+0x60/0x80 [ 531.318473][T26200] ? set_blocksize+0x2bf/0x340 [ 531.323250][T26200] ? memcpy+0x46/0x50 [ 531.327332][T26200] fill_super+0x12f5/0x25c0 [ 531.331896][T26200] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 531.337393][T26200] ? gfs2_online_uevent+0x1f0/0x1f0 [ 531.342609][T26200] ? set_blocksize+0xe4/0x340 [ 531.347319][T26200] ? set_blocksize+0x100/0x340 [ 531.352107][T26200] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 531.357828][T26200] ? set_blocksize+0x2bf/0x340 [ 531.357849][T26200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 531.357871][T26200] gfs2_mount+0x504/0x5de [ 531.357892][T26200] ? fill_super+0x25c0/0x25c0 [ 531.373507][T26200] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 531.373525][T26200] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 531.373550][T26200] ? fill_super+0x25c0/0x25c0 [ 531.373567][T26200] legacy_get_tree+0xf2/0x200 [ 531.373586][T26200] vfs_get_tree+0x123/0x450 [ 531.373604][T26200] do_mount+0x1436/0x2c40 [ 531.373626][T26200] ? copy_mount_string+0x40/0x40 [ 531.373644][T26200] ? copy_mount_options+0x1ea/0x3a0 [ 531.373658][T26200] ? copy_mount_options+0x1f0/0x3a0 [ 531.373679][T26200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 17:44:11 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000]}, 0x4}, 0x1c) [ 531.395085][T26200] ? copy_mount_options+0x280/0x3a0 [ 531.395106][T26200] ksys_mount+0xdb/0x150 [ 531.395123][T26200] __x64_sys_mount+0xbe/0x150 [ 531.395140][T26200] ? do_syscall_64+0xfe/0x610 [ 531.395155][T26200] do_syscall_64+0x103/0x610 [ 531.395174][T26200] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 531.395186][T26200] RIP: 0033:0x45ac7a [ 531.395202][T26200] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 531.395209][T26200] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 531.395224][T26200] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 531.395234][T26200] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 531.395243][T26200] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 531.395251][T26200] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 531.395267][T26200] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 531.425883][T26200] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 531.463712][T26200] gfs2: fsid=_h: error -17 adding sysfs files [ 531.771055][T26225] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 531.784484][T26209] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 531.825700][T26209] gfs2: fsid=_h: Now mounting FS... [ 531.831443][T26225] CPU: 1 PID: 26225 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 531.839435][T26225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 531.849500][T26225] Call Trace: [ 531.852820][T26225] dump_stack+0x172/0x1f0 [ 531.857588][T26225] sysfs_warn_dup.cold+0x1c/0x31 [ 531.862541][T26225] sysfs_create_dir_ns+0x242/0x2a0 [ 531.867663][T26225] ? sysfs_create_mount_point+0xa0/0xa0 [ 531.873263][T26225] kobject_add_internal.cold+0xe5/0x5d4 [ 531.878820][T26225] kobject_init_and_add+0x101/0x160 [ 531.885177][T26225] ? kobject_add_internal+0x380/0x380 [ 531.890574][T26225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 531.892562][T26209] gfs2: not a GFS2 filesystem [ 531.896932][T26225] ? vsnprintf+0x58b/0x1af0 [ 531.896960][T26225] gfs2_sys_fs_add+0x1aa/0x470 [ 531.896983][T26225] ? recover_store+0x160/0x160 [ 531.897003][T26225] ? snprintf+0xbb/0xf0 [ 531.897019][T26225] ? vscnprintf+0x60/0x80 [ 531.897039][T26225] ? set_blocksize+0x2bf/0x340 [ 531.897060][T26225] ? memcpy+0x46/0x50 [ 531.897085][T26225] fill_super+0x12f5/0x25c0 [ 531.897114][T26225] ? gfs2_online_uevent+0x1f0/0x1f0 [ 531.897140][T26225] ? snprintf+0xbb/0xf0 [ 531.907673][T26209] gfs2: fsid=_h: can't read superblock [ 531.911484][T26225] ? vsprintf+0x40/0x40 [ 531.911506][T26225] ? wait_for_completion+0x440/0x440 [ 531.911523][T26225] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 531.911540][T26225] ? set_blocksize+0x2bf/0x340 17:44:12 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000]}, 0x4}, 0x1c) 17:44:12 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x6c, 0x400000000000) [ 531.911559][T26225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 531.911580][T26225] gfs2_mount+0x504/0x5de [ 531.911610][T26225] ? fill_super+0x25c0/0x25c0 [ 531.917345][T26209] gfs2: fsid=_h: can't read superblock: -22 [ 531.920630][T26225] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 531.920650][T26225] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 531.920676][T26225] ? fill_super+0x25c0/0x25c0 [ 531.920696][T26225] legacy_get_tree+0xf2/0x200 [ 531.920717][T26225] vfs_get_tree+0x123/0x450 [ 531.920734][T26225] do_mount+0x1436/0x2c40 [ 531.920758][T26225] ? copy_mount_string+0x40/0x40 [ 531.996527][T26225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 531.996543][T26225] ? copy_mount_options+0x280/0x3a0 [ 531.996561][T26225] ksys_mount+0xdb/0x150 [ 531.996579][T26225] __x64_sys_mount+0xbe/0x150 [ 531.996599][T26225] do_syscall_64+0x103/0x610 [ 531.996621][T26225] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 531.996640][T26225] RIP: 0033:0x45ac7a [ 532.008797][T26225] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 532.008806][T26225] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 532.008819][T26225] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 532.008829][T26225] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 532.008838][T26225] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 532.008846][T26225] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 532.008855][T26225] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 532.068745][T26225] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 532.090257][T26225] gfs2: fsid=_h: error -17 adding sysfs files 17:44:12 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:12 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:12 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:12 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000]}, 0x4}, 0x1c) 17:44:12 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x6d, 0x400000000000) 17:44:12 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf+2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:12 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000]}, 0x4}, 0x1c) [ 532.446839][T26253] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 532.481614][T26253] gfs2: fsid=_h: Now mounting FS... [ 532.494589][T26257] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 532.515276][T26257] CPU: 0 PID: 26257 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 532.520529][T26253] gfs2: not a GFS2 filesystem [ 532.523325][T26257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 532.523334][T26257] Call Trace: [ 532.523374][T26257] dump_stack+0x172/0x1f0 [ 532.523399][T26257] sysfs_warn_dup.cold+0x1c/0x31 [ 532.523419][T26257] sysfs_create_dir_ns+0x242/0x2a0 [ 532.523435][T26257] ? sysfs_create_mount_point+0xa0/0xa0 [ 532.523474][T26257] kobject_add_internal.cold+0xe5/0x5d4 [ 532.523499][T26257] kobject_init_and_add+0x101/0x160 [ 532.523514][T26257] ? kobject_add_internal+0x380/0x380 [ 532.523540][T26257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 532.523566][T26257] ? vsnprintf+0x58b/0x1af0 [ 532.539525][T26257] gfs2_sys_fs_add+0x1aa/0x470 17:44:12 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x6e, 0x400000000000) [ 532.539543][T26257] ? recover_store+0x160/0x160 [ 532.539563][T26257] ? snprintf+0xbb/0xf0 [ 532.539578][T26257] ? vscnprintf+0x60/0x80 [ 532.539595][T26257] ? set_blocksize+0x2bf/0x340 [ 532.539613][T26257] ? memcpy+0x46/0x50 [ 532.539637][T26257] fill_super+0x12f5/0x25c0 [ 532.539667][T26257] ? gfs2_online_uevent+0x1f0/0x1f0 [ 532.539684][T26257] ? snprintf+0xbb/0xf0 [ 532.539698][T26257] ? vsprintf+0x40/0x40 [ 532.539717][T26257] ? wait_for_completion+0x440/0x440 [ 532.539734][T26257] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 532.539749][T26257] ? set_blocksize+0x2bf/0x340 [ 532.539767][T26257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 532.539786][T26257] gfs2_mount+0x504/0x5de [ 532.539808][T26257] ? fill_super+0x25c0/0x25c0 [ 532.543961][T26253] gfs2: fsid=_h: can't read superblock [ 532.547471][T26257] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 532.547491][T26257] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 532.547518][T26257] ? fill_super+0x25c0/0x25c0 [ 532.547537][T26257] legacy_get_tree+0xf2/0x200 [ 532.547558][T26257] vfs_get_tree+0x123/0x450 [ 532.547577][T26257] do_mount+0x1436/0x2c40 [ 532.547601][T26257] ? copy_mount_string+0x40/0x40 [ 532.547625][T26257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 532.547639][T26257] ? copy_mount_options+0x280/0x3a0 [ 532.547659][T26257] ksys_mount+0xdb/0x150 [ 532.547677][T26257] __x64_sys_mount+0xbe/0x150 [ 532.547699][T26257] do_syscall_64+0x103/0x610 [ 532.547720][T26257] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 532.547739][T26257] RIP: 0033:0x45ac7a [ 532.556040][T26253] gfs2: fsid=_h: can't read superblock: -22 [ 532.557806][T26257] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 532.557815][T26257] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 532.557830][T26257] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 532.557840][T26257] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 532.557850][T26257] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 532.557860][T26257] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 532.557869][T26257] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 532.601177][T26257] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 532.627194][T26257] gfs2: fsid=_h: error -17 adding sysfs files 17:44:13 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000]}, 0x4}, 0x1c) [ 533.105017][T26264] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 533.134257][T26287] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 533.139307][T26264] gfs2: fsid=_h: Now mounting FS... [ 533.141499][T26287] CPU: 0 PID: 26287 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 533.141511][T26287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 533.141517][T26287] Call Trace: [ 533.141546][T26287] dump_stack+0x172/0x1f0 [ 533.141572][T26287] sysfs_warn_dup.cold+0x1c/0x31 [ 533.141593][T26287] sysfs_create_dir_ns+0x242/0x2a0 [ 533.141611][T26287] ? sysfs_create_mount_point+0xa0/0xa0 [ 533.141645][T26287] kobject_add_internal.cold+0xe5/0x5d4 [ 533.141669][T26287] kobject_init_and_add+0x101/0x160 [ 533.141687][T26287] ? kobject_add_internal+0x380/0x380 17:44:13 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000]}, 0x4}, 0x1c) 17:44:13 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x6f, 0x400000000000) [ 533.141710][T26287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 533.141737][T26287] ? vsnprintf+0x58b/0x1af0 [ 533.173014][T26264] gfs2: not a GFS2 filesystem [ 533.177605][T26287] gfs2_sys_fs_add+0x1aa/0x470 [ 533.177622][T26287] ? recover_store+0x160/0x160 [ 533.177642][T26287] ? snprintf+0xbb/0xf0 [ 533.177657][T26287] ? vscnprintf+0x60/0x80 [ 533.177675][T26287] ? set_blocksize+0x2bf/0x340 [ 533.177696][T26287] ? memcpy+0x46/0x50 [ 533.177721][T26287] fill_super+0x12f5/0x25c0 [ 533.177751][T26287] ? gfs2_online_uevent+0x1f0/0x1f0 [ 533.177768][T26287] ? snprintf+0xbb/0xf0 [ 533.177785][T26287] ? vsprintf+0x40/0x40 [ 533.177806][T26287] ? wait_for_completion+0x440/0x440 [ 533.177822][T26287] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 533.177836][T26287] ? set_blocksize+0x2bf/0x340 [ 533.177856][T26287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 533.177876][T26287] gfs2_mount+0x504/0x5de [ 533.177897][T26287] ? fill_super+0x25c0/0x25c0 [ 533.177936][T26287] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 533.177955][T26287] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 533.177980][T26287] ? fill_super+0x25c0/0x25c0 [ 533.177999][T26287] legacy_get_tree+0xf2/0x200 [ 533.178018][T26287] vfs_get_tree+0x123/0x450 [ 533.178037][T26287] do_mount+0x1436/0x2c40 [ 533.195176][T26264] gfs2: fsid=_h: can't read superblock [ 533.199460][T26287] ? copy_mount_string+0x40/0x40 [ 533.199489][T26287] ? _copy_from_user+0xdd/0x150 [ 533.199511][T26287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 533.199525][T26287] ? copy_mount_options+0x280/0x3a0 [ 533.199545][T26287] ksys_mount+0xdb/0x150 [ 533.199563][T26287] __x64_sys_mount+0xbe/0x150 [ 533.199585][T26287] do_syscall_64+0x103/0x610 [ 533.199608][T26287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 533.207327][T26264] gfs2: fsid=_h: can't read superblock: -22 [ 533.211585][T26287] RIP: 0033:0x45ac7a 17:44:13 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:13 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x70, 0x400000000000) [ 533.211601][T26287] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 533.211610][T26287] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 533.211626][T26287] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 533.211636][T26287] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 533.211646][T26287] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 533.211655][T26287] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 533.211665][T26287] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 533.300971][T26287] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 533.472241][T26287] gfs2: fsid=_h: error -17 adding sysfs files 17:44:13 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xff', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:13 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:13 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x900000000000000]}, 0x4}, 0x1c) 17:44:13 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf-2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:13 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x71, 0x400000000000) 17:44:13 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa00000000000000]}, 0x4}, 0x1c) [ 533.695515][T26307] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 533.724031][T26307] gfs2: fsid=_h: Now mounting FS... [ 533.734998][T26307] gfs2: not a GFS2 filesystem [ 533.743852][T26307] gfs2: fsid=_h: can't read superblock [ 533.749910][T26307] gfs2: fsid=_h: can't read superblock: -22 17:44:14 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000]}, 0x4}, 0x1c) 17:44:14 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x72, 0x400000000000) [ 534.126756][T26331] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 534.164209][T26331] gfs2: fsid=_h: Now mounting FS... [ 534.211233][T26331] gfs2: not a GFS2 filesystem 17:44:14 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00000000000000]}, 0x4}, 0x1c) 17:44:14 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 534.235652][T26331] gfs2: fsid=_h: can't read superblock [ 534.250605][T26331] gfs2: fsid=_h: can't read superblock: -22 17:44:14 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x73, 0x400000000000) 17:44:14 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf.2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:14 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 534.560334][T26366] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 534.586190][T26359] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 534.611904][T26366] gfs2: fsid=_h: Now mounting FS... [ 534.620518][T26359] CPU: 1 PID: 26359 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 534.628541][T26359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.628548][T26359] Call Trace: [ 534.628576][T26359] dump_stack+0x172/0x1f0 [ 534.628600][T26359] sysfs_warn_dup.cold+0x1c/0x31 [ 534.628619][T26359] sysfs_create_dir_ns+0x242/0x2a0 [ 534.628636][T26359] ? sysfs_create_mount_point+0xa0/0xa0 [ 534.628668][T26359] kobject_add_internal.cold+0xe5/0x5d4 [ 534.628691][T26359] kobject_init_and_add+0x101/0x160 [ 534.628709][T26359] ? kobject_add_internal+0x380/0x380 [ 534.628732][T26359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 534.628749][T26359] ? vsnprintf+0x58b/0x1af0 [ 534.628782][T26359] gfs2_sys_fs_add+0x1aa/0x470 [ 534.628801][T26359] ? recover_store+0x160/0x160 [ 534.628823][T26359] ? snprintf+0xbb/0xf0 [ 534.628842][T26359] ? vscnprintf+0x60/0x80 [ 534.628864][T26359] ? strlen+0x67/0xa0 [ 534.628885][T26359] ? memcpy+0x46/0x50 [ 534.628911][T26359] fill_super+0x12f5/0x25c0 [ 534.628946][T26359] ? gfs2_online_uevent+0x1f0/0x1f0 [ 534.628964][T26359] ? snprintf+0xbb/0xf0 [ 534.628990][T26359] ? vsprintf+0x40/0x40 [ 534.629012][T26359] ? wait_for_completion+0x440/0x440 [ 534.629028][T26359] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 534.629045][T26359] ? set_blocksize+0x2bf/0x340 [ 534.629066][T26359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 534.629087][T26359] gfs2_mount+0x504/0x5de [ 534.629109][T26359] ? fill_super+0x25c0/0x25c0 [ 534.629153][T26359] ? retint_kernel+0x2d/0x2d [ 534.629181][T26359] ? fill_super+0x25c0/0x25c0 [ 534.629201][T26359] legacy_get_tree+0xf2/0x200 [ 534.629218][T26359] ? legacy_get_tree+0x1/0x200 [ 534.629236][T26359] vfs_get_tree+0x123/0x450 [ 534.629255][T26359] do_mount+0x1436/0x2c40 [ 534.629280][T26359] ? copy_mount_string+0x40/0x40 [ 534.629298][T26359] ? copy_mount_options+0x198/0x3a0 [ 534.629314][T26359] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 534.629332][T26359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 534.629345][T26359] ? copy_mount_options+0x280/0x3a0 [ 534.629377][T26359] ksys_mount+0xdb/0x150 [ 534.629397][T26359] __x64_sys_mount+0xbe/0x150 [ 534.629422][T26359] do_syscall_64+0x103/0x610 [ 534.629445][T26359] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 534.629459][T26359] RIP: 0033:0x45ac7a [ 534.629477][T26359] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 534.629487][T26359] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 534.629503][T26359] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 534.629524][T26359] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 534.646829][T26366] gfs2: not a GFS2 filesystem [ 534.647203][T26359] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 534.647212][T26359] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 534.647222][T26359] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 534.649293][T26359] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 534.652865][T26366] gfs2: fsid=_h: can't read superblock [ 534.660087][T26359] gfs2: fsid=_h: error -17 adding sysfs files [ 534.716593][T26366] gfs2: fsid=_h: can't read superblock: -22 [ 534.810190][T26375] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 534.827198][T26375] CPU: 1 PID: 26375 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 534.835730][T26375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.835736][T26375] Call Trace: [ 534.835760][T26375] dump_stack+0x172/0x1f0 [ 534.835783][T26375] sysfs_warn_dup.cold+0x1c/0x31 [ 534.835800][T26375] sysfs_create_dir_ns+0x242/0x2a0 [ 534.835816][T26375] ? sysfs_create_mount_point+0xa0/0xa0 [ 534.835846][T26375] kobject_add_internal.cold+0xe5/0x5d4 [ 534.835867][T26375] kobject_init_and_add+0x101/0x160 [ 534.835881][T26375] ? kobject_add_internal+0x380/0x380 [ 534.835902][T26375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 534.835918][T26375] ? vsnprintf+0x58b/0x1af0 [ 534.835946][T26375] gfs2_sys_fs_add+0x1aa/0x470 [ 534.835962][T26375] ? recover_store+0x160/0x160 [ 534.835989][T26375] ? snprintf+0xbb/0xf0 [ 534.836004][T26375] ? vscnprintf+0x60/0x80 [ 534.836030][T26375] ? memcpy+0x46/0x50 [ 534.846493][T26375] fill_super+0x12f5/0x25c0 [ 534.846510][T26375] ? retint_kernel+0x2d/0x2d [ 534.846527][T26375] ? trace_hardirqs_on_caller+0x6a/0x220 [ 534.846555][T26375] ? gfs2_online_uevent+0x1f0/0x1f0 [ 534.846570][T26375] ? retint_kernel+0x2d/0x2d [ 534.846594][T26375] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 534.846609][T26375] ? set_blocksize+0x2bf/0x340 [ 534.846627][T26375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 534.846649][T26375] gfs2_mount+0x504/0x5de [ 534.870243][T26375] ? fill_super+0x25c0/0x25c0 [ 534.870296][T26375] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 534.870322][T26375] ? fill_super+0x25c0/0x25c0 [ 534.870340][T26375] legacy_get_tree+0xf2/0x200 [ 534.870368][T26375] vfs_get_tree+0x123/0x450 [ 534.870384][T26375] do_mount+0x1436/0x2c40 [ 534.870405][T26375] ? copy_mount_string+0x40/0x40 [ 534.870420][T26375] ? copy_mount_options+0x198/0x3a0 [ 534.870434][T26375] ? copy_mount_options+0x1b1/0x3a0 [ 534.870462][T26375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 534.886854][T26375] ? copy_mount_options+0x280/0x3a0 [ 534.886875][T26375] ksys_mount+0xdb/0x150 [ 534.886893][T26375] __x64_sys_mount+0xbe/0x150 [ 534.886915][T26375] do_syscall_64+0x103/0x610 [ 534.886937][T26375] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 534.886949][T26375] RIP: 0033:0x45ac7a [ 534.886964][T26375] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 534.886979][T26375] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 534.886995][T26375] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 534.887011][T26375] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 534.900017][T26375] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 534.900026][T26375] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 534.900035][T26375] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 534.953624][T26375] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 534.971838][T26375] gfs2: fsid=_h: error -17 adding sysfs files 17:44:15 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:15 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000000]}, 0x4}, 0x1c) 17:44:15 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x74, 0x400000000000) 17:44:15 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x75, 0x400000000000) 17:44:15 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:15 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000000000000]}, 0x4}, 0x1c) 17:44:15 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:15 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf/2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 535.678501][T26395] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 535.716015][T26395] gfs2: fsid=_h: Now mounting FS... [ 535.729322][T26395] gfs2: not a GFS2 filesystem [ 535.740369][T26400] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 535.764421][T26398] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 535.773351][T26395] gfs2: fsid=_h: can't read superblock 17:44:15 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000]}, 0x4}, 0x1c) 17:44:16 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x76, 0x400000000000) [ 535.790872][T26395] gfs2: fsid=_h: can't read superblock: -22 [ 535.798868][T26398] CPU: 0 PID: 26398 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 535.806865][T26398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 535.816923][T26398] Call Trace: [ 535.820240][T26398] dump_stack+0x172/0x1f0 [ 535.824597][T26398] sysfs_warn_dup.cold+0x1c/0x31 [ 535.829558][T26398] sysfs_create_dir_ns+0x242/0x2a0 [ 535.834678][T26398] ? sysfs_create_mount_point+0xa0/0xa0 [ 535.840252][T26398] kobject_add_internal.cold+0xe5/0x5d4 [ 535.845823][T26398] kobject_init_and_add+0x101/0x160 [ 535.851033][T26398] ? kobject_add_internal+0x380/0x380 [ 535.856422][T26398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 535.862684][T26398] ? vsnprintf+0x58b/0x1af0 [ 535.867224][T26398] gfs2_sys_fs_add+0x1aa/0x470 [ 535.871998][T26398] ? recover_store+0x160/0x160 [ 535.876779][T26398] ? snprintf+0xbb/0xf0 [ 535.881201][T26398] ? vscnprintf+0x60/0x80 [ 535.885545][T26398] ? set_blocksize+0x2bf/0x340 [ 535.890323][T26398] ? memcpy+0x46/0x50 [ 535.894331][T26398] fill_super+0x12f5/0x25c0 [ 535.898869][T26398] ? gfs2_online_uevent+0x1f0/0x1f0 [ 535.904164][T26398] ? snprintf+0xbb/0xf0 [ 535.908328][T26398] ? vsprintf+0x40/0x40 [ 535.912507][T26398] ? wait_for_completion+0x440/0x440 [ 535.917797][T26398] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 535.923521][T26398] ? set_blocksize+0x2bf/0x340 [ 535.928300][T26398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 535.934551][T26398] gfs2_mount+0x504/0x5de [ 535.938888][T26398] ? fill_super+0x25c0/0x25c0 [ 535.943695][T26398] ? fill_super+0x25c0/0x25c0 [ 535.948395][T26398] legacy_get_tree+0xf2/0x200 [ 535.953078][T26398] vfs_get_tree+0x123/0x450 [ 535.957679][T26398] do_mount+0x1436/0x2c40 [ 535.962023][T26398] ? copy_mount_string+0x40/0x40 [ 535.966966][T26398] ? copy_mount_options+0x198/0x3a0 [ 535.972168][T26398] ? __sanitizer_cov_trace_pc+0x8/0x50 [ 535.977635][T26398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 535.983881][T26398] ? copy_mount_options+0x280/0x3a0 [ 535.989092][T26398] ksys_mount+0xdb/0x150 [ 535.993345][T26398] __x64_sys_mount+0xbe/0x150 [ 535.998044][T26398] do_syscall_64+0x103/0x610 [ 535.998067][T26398] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 535.998080][T26398] RIP: 0033:0x45ac7a [ 535.998099][T26398] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 536.008549][T26398] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 536.008564][T26398] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 536.008572][T26398] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 536.008580][T26398] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 536.008588][T26398] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 536.008595][T26398] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 536.013079][T26400] CPU: 0 PID: 26400 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 536.048584][T26400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 536.048591][T26400] Call Trace: [ 536.048616][T26400] dump_stack+0x172/0x1f0 [ 536.048638][T26400] sysfs_warn_dup.cold+0x1c/0x31 [ 536.048655][T26400] sysfs_create_dir_ns+0x242/0x2a0 [ 536.048670][T26400] ? sysfs_create_mount_point+0xa0/0xa0 [ 536.048701][T26400] kobject_add_internal.cold+0xe5/0x5d4 [ 536.048729][T26400] kobject_init_and_add+0x101/0x160 [ 536.063231][T26398] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 536.064748][T26400] ? kobject_add_internal+0x380/0x380 [ 536.064771][T26400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 536.064788][T26400] ? vsnprintf+0x58b/0x1af0 [ 536.064817][T26400] gfs2_sys_fs_add+0x1aa/0x470 [ 536.064835][T26400] ? recover_store+0x160/0x160 [ 536.064856][T26400] ? snprintf+0xbb/0xf0 [ 536.064881][T26400] ? vscnprintf+0x60/0x80 [ 536.088779][T26400] ? set_blocksize+0x2bf/0x340 [ 536.088802][T26400] ? memcpy+0x46/0x50 [ 536.088827][T26400] fill_super+0x12f5/0x25c0 [ 536.088857][T26400] ? gfs2_online_uevent+0x1f0/0x1f0 [ 536.088876][T26400] ? snprintf+0xbb/0xf0 [ 536.088891][T26400] ? vsprintf+0x40/0x40 [ 536.088911][T26400] ? wait_for_completion+0x440/0x440 [ 536.088927][T26400] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 536.088942][T26400] ? set_blocksize+0x2bf/0x340 [ 536.088965][T26400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 536.108754][T26398] gfs2: fsid=_h: error -17 adding sysfs files [ 536.111583][T26400] gfs2_mount+0x504/0x5de 17:44:16 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x77, 0x400000000000) 17:44:16 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe80000000000000]}, 0x4}, 0x1c) [ 536.111606][T26400] ? fill_super+0x25c0/0x25c0 [ 536.111648][T26400] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 536.111667][T26400] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 536.111692][T26400] ? fill_super+0x25c0/0x25c0 [ 536.111711][T26400] legacy_get_tree+0xf2/0x200 [ 536.111740][T26400] vfs_get_tree+0x123/0x450 [ 536.184512][T26400] do_mount+0x1436/0x2c40 [ 536.184537][T26400] ? copy_mount_string+0x40/0x40 [ 536.184554][T26400] ? copy_mount_options+0x1ea/0x3a0 [ 536.184572][T26400] ? __sanitizer_cov_trace_pc+0x26/0x50 [ 536.184590][T26400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 536.184604][T26400] ? copy_mount_options+0x280/0x3a0 [ 536.184623][T26400] ksys_mount+0xdb/0x150 [ 536.184640][T26400] __x64_sys_mount+0xbe/0x150 [ 536.184657][T26400] ? do_syscall_64+0x5b/0x610 [ 536.184675][T26400] do_syscall_64+0x103/0x610 [ 536.184696][T26400] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 536.184708][T26400] RIP: 0033:0x45ac7a [ 536.184725][T26400] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 536.184734][T26400] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 536.184748][T26400] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 536.184764][T26400] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 536.202547][T26400] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 536.217653][T26400] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 536.217663][T26400] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 536.264077][T26400] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 536.286078][T26400] gfs2: fsid=_h: error -17 adding sysfs files 17:44:16 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:16 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:16 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gf02\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:16 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xff', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:16 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x78, 0x400000000000) 17:44:16 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000]}, 0x4}, 0x1c) 17:44:16 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0x10}, 0x4}, 0x1c) 17:44:16 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x79, 0x400000000000) [ 536.821572][T26462] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 536.848854][T26448] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 536.853288][T26462] gfs2: fsid=_h: Now mounting FS... [ 536.856489][T26448] CPU: 0 PID: 26448 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 536.862069][T26462] gfs2: not a GFS2 filesystem [ 536.869106][T26448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 536.869113][T26448] Call Trace: [ 536.869136][T26448] dump_stack+0x172/0x1f0 [ 536.869159][T26448] sysfs_warn_dup.cold+0x1c/0x31 [ 536.869176][T26448] sysfs_create_dir_ns+0x242/0x2a0 [ 536.869190][T26448] ? sysfs_create_mount_point+0xa0/0xa0 [ 536.869218][T26448] kobject_add_internal.cold+0xe5/0x5d4 [ 536.869239][T26448] kobject_init_and_add+0x101/0x160 [ 536.869255][T26448] ? kobject_add_internal+0x380/0x380 [ 536.869275][T26448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 536.869291][T26448] ? vsnprintf+0x58b/0x1af0 [ 536.869320][T26448] gfs2_sys_fs_add+0x1aa/0x470 [ 536.869336][T26448] ? recover_store+0x160/0x160 [ 536.869366][T26448] ? snprintf+0xbb/0xf0 [ 536.869382][T26448] ? vscnprintf+0x60/0x80 [ 536.869403][T26448] ? set_blocksize+0x2bf/0x340 [ 536.939843][T26462] gfs2: fsid=_h: can't read superblock [ 536.943661][T26448] ? memcpy+0x46/0x50 [ 536.943688][T26448] fill_super+0x12f5/0x25c0 [ 536.943719][T26448] ? gfs2_online_uevent+0x1f0/0x1f0 [ 536.943738][T26448] ? snprintf+0xbb/0xf0 [ 536.943753][T26448] ? vsprintf+0x40/0x40 [ 536.943774][T26448] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 536.943788][T26448] ? set_blocksize+0x2bf/0x340 [ 536.943806][T26448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 536.943825][T26448] gfs2_mount+0x504/0x5de [ 536.943844][T26448] ? fill_super+0x25c0/0x25c0 [ 536.943883][T26448] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 536.943902][T26448] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 17:44:17 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xa8aaaafffeaaaa10}, 0x4}, 0x1c) [ 536.943924][T26448] ? fill_super+0x25c0/0x25c0 [ 536.963953][T26462] gfs2: fsid=_h: can't read superblock: -22 [ 536.966571][T26448] legacy_get_tree+0xf2/0x200 [ 536.966593][T26448] vfs_get_tree+0x123/0x450 [ 536.966611][T26448] do_mount+0x1436/0x2c40 [ 536.966635][T26448] ? copy_mount_string+0x40/0x40 [ 536.966651][T26448] ? copy_mount_options+0x198/0x3a0 [ 536.966668][T26448] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 536.966688][T26448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 17:44:17 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x7a, 0x400000000000) [ 537.068411][T26448] ? copy_mount_options+0x280/0x3a0 [ 537.073627][T26448] ksys_mount+0xdb/0x150 [ 537.077880][T26448] __x64_sys_mount+0xbe/0x150 [ 537.082574][T26448] do_syscall_64+0x103/0x610 [ 537.087179][T26448] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 537.093082][T26448] RIP: 0033:0x45ac7a [ 537.096990][T26448] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 537.116629][T26448] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 537.125174][T26448] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 537.133419][T26448] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 537.141511][T26448] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 537.149491][T26448] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 537.149501][T26448] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 537.156936][T26448] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 537.178984][T26448] gfs2: fsid=_h: error -17 adding sysfs files 17:44:17 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfX2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:17 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) [ 537.462623][T26491] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 537.494852][T26491] gfs2: fsid=_h: Now mounting FS... [ 537.556091][T26491] gfs2: not a GFS2 filesystem [ 537.562001][T26491] gfs2: fsid=_h: can't read superblock [ 537.592477][T26491] gfs2: fsid=_h: can't read superblock: -22 17:44:17 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:17 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x7b, 0x400000000000) 17:44:17 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:17 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x3}, 0x1c) 17:44:17 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xff', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:17 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfc2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:18 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x5}, 0x1c) 17:44:18 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x7c, 0x400000000000) [ 537.884066][T26529] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 537.925732][T26529] gfs2: fsid=_h: Now mounting FS... [ 537.931995][T26529] gfs2: not a GFS2 filesystem [ 537.937150][T26529] gfs2: fsid=_h: can't read superblock [ 537.942839][T26529] gfs2: fsid=_h: can't read superblock: -22 [ 537.977951][T26514] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 538.030873][T26514] CPU: 1 PID: 26514 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 538.039025][T26514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 538.049124][T26514] Call Trace: [ 538.052442][T26514] dump_stack+0x172/0x1f0 [ 538.056791][T26514] sysfs_warn_dup.cold+0x1c/0x31 [ 538.061759][T26514] sysfs_create_dir_ns+0x242/0x2a0 [ 538.066887][T26514] ? sysfs_create_mount_point+0xa0/0xa0 [ 538.072732][T26514] kobject_add_internal.cold+0xe5/0x5d4 17:44:18 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x6}, 0x1c) 17:44:18 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xf9', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 538.078331][T26514] kobject_init_and_add+0x101/0x160 [ 538.083550][T26514] ? kobject_add_internal+0x380/0x380 [ 538.088944][T26514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 538.095236][T26514] ? vsnprintf+0x58b/0x1af0 [ 538.099766][T26514] gfs2_sys_fs_add+0x1aa/0x470 [ 538.104550][T26514] ? recover_store+0x160/0x160 [ 538.109341][T26514] ? snprintf+0xbb/0xf0 [ 538.113516][T26514] ? vscnprintf+0x60/0x80 [ 538.118030][T26514] ? set_blocksize+0x2bf/0x340 [ 538.118053][T26514] ? memcpy+0x46/0x50 [ 538.118086][T26514] fill_super+0x12f5/0x25c0 [ 538.126848][T26514] ? retint_kernel+0x2d/0x2d [ 538.126865][T26514] ? trace_hardirqs_on_caller+0x6a/0x220 [ 538.126891][T26514] ? gfs2_online_uevent+0x1f0/0x1f0 [ 538.126906][T26514] ? retint_kernel+0x2d/0x2d [ 538.126931][T26514] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 538.126946][T26514] ? set_blocksize+0x2bf/0x340 [ 538.126978][T26514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 538.141696][T26514] gfs2_mount+0x504/0x5de [ 538.141717][T26514] ? fill_super+0x25c0/0x25c0 [ 538.141764][T26514] ? retint_kernel+0x2d/0x2d [ 538.151571][T26514] ? fill_super+0x25c0/0x25c0 [ 538.151591][T26514] legacy_get_tree+0xf2/0x200 [ 538.151611][T26514] vfs_get_tree+0x123/0x450 [ 538.151637][T26514] do_mount+0x1436/0x2c40 [ 538.162116][T26514] ? retint_kernel+0x2d/0x2d [ 538.162141][T26514] ? copy_mount_string+0x40/0x40 [ 538.162153][T26514] ? copy_mount_options+0x208/0x3a0 [ 538.162175][T26514] ? write_comp_data+0x1e/0x70 [ 538.172732][T26514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 538.172748][T26514] ? copy_mount_options+0x280/0x3a0 [ 538.172767][T26514] ksys_mount+0xdb/0x150 [ 538.172785][T26514] __x64_sys_mount+0xbe/0x150 [ 538.172808][T26514] do_syscall_64+0x103/0x610 [ 538.182056][T26514] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 538.182070][T26514] RIP: 0033:0x45ac7a [ 538.182086][T26514] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 538.182094][T26514] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 538.182109][T26514] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 538.182125][T26514] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 538.298435][T26514] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 538.306417][T26514] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 538.314400][T26514] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 538.325302][T26514] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 538.354685][T26514] gfs2: fsid=_h: error -17 adding sysfs files 17:44:18 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x7d, 0x400000000000) 17:44:18 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x7}, 0x1c) [ 538.555426][T26554] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 538.588448][T26554] gfs2: fsid=_h: Now mounting FS... [ 538.659077][T26554] gfs2: not a GFS2 filesystem [ 538.689400][T26554] gfs2: fsid=_h: can't read superblock [ 538.719263][T26554] gfs2: fsid=_h: can't read superblock: -22 17:44:19 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:19 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfd2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:19 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x7e, 0x400000000000) 17:44:19 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x8}, 0x1c) 17:44:19 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x7f', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:19 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:19 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x9}, 0x1c) 17:44:19 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x82, 0x400000000000) 17:44:19 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0xa}, 0x1c) [ 539.079942][T26583] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 539.123901][T26606] sysfs: cannot create duplicate filename '/fs/gfs2/_h' 17:44:19 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfi2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 539.164261][T26583] gfs2: fsid=_h: Now mounting FS... [ 539.172379][T26606] CPU: 1 PID: 26606 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 539.180378][T26606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 539.190443][T26606] Call Trace: [ 539.193754][T26606] dump_stack+0x172/0x1f0 [ 539.198106][T26606] sysfs_warn_dup.cold+0x1c/0x31 [ 539.203143][T26606] sysfs_create_dir_ns+0x242/0x2a0 [ 539.208267][T26606] ? sysfs_create_mount_point+0xa0/0xa0 [ 539.213860][T26606] kobject_add_internal.cold+0xe5/0x5d4 [ 539.219425][T26606] kobject_init_and_add+0x101/0x160 [ 539.224659][T26606] ? kobject_add_internal+0x380/0x380 [ 539.230045][T26606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 539.236299][T26606] ? vsnprintf+0x58b/0x1af0 [ 539.240845][T26606] gfs2_sys_fs_add+0x1aa/0x470 [ 539.245620][T26606] ? recover_store+0x160/0x160 [ 539.250403][T26606] ? snprintf+0xbb/0xf0 [ 539.254569][T26606] ? vscnprintf+0x60/0x80 [ 539.258910][T26606] ? set_blocksize+0x2bf/0x340 17:44:19 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0xb}, 0x1c) [ 539.263784][T26606] ? memcpy+0x46/0x50 [ 539.267779][T26606] fill_super+0x12f5/0x25c0 [ 539.267815][T26606] ? gfs2_online_uevent+0x1f0/0x1f0 [ 539.277511][T26606] ? snprintf+0xbb/0xf0 [ 539.277528][T26606] ? vsprintf+0x40/0x40 [ 539.277551][T26606] ? wait_for_completion+0x440/0x440 [ 539.291121][T26606] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 539.296848][T26606] ? set_blocksize+0x2bf/0x340 [ 539.301623][T26606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 539.307876][T26606] gfs2_mount+0x504/0x5de 17:44:19 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0xc}, 0x1c) [ 539.312220][T26606] ? fill_super+0x25c0/0x25c0 [ 539.316934][T26606] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 539.323198][T26606] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 539.328852][T26606] ? fill_super+0x25c0/0x25c0 [ 539.333547][T26606] legacy_get_tree+0xf2/0x200 [ 539.338239][T26606] vfs_get_tree+0x123/0x450 [ 539.342752][T26606] do_mount+0x1436/0x2c40 [ 539.347093][T26606] ? copy_mount_string+0x40/0x40 [ 539.352038][T26606] ? copy_mount_options+0x1ea/0x3a0 [ 539.357247][T26606] ? copy_mount_options+0x1f0/0x3a0 [ 539.362459][T26606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 539.368711][T26606] ? copy_mount_options+0x280/0x3a0 [ 539.373926][T26606] ksys_mount+0xdb/0x150 [ 539.378192][T26606] __x64_sys_mount+0xbe/0x150 [ 539.382907][T26606] do_syscall_64+0x103/0x610 [ 539.387514][T26606] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 539.389767][T26583] gfs2: not a GFS2 filesystem [ 539.393409][T26606] RIP: 0033:0x45ac7a [ 539.393426][T26606] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 539.393434][T26606] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 539.393450][T26606] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 539.393459][T26606] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 539.393467][T26606] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 539.393476][T26606] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 539.393485][T26606] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 539.394951][T26606] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 539.398994][T26583] gfs2: fsid=_h: can't read superblock [ 539.402533][T26606] gfs2: fsid=_h: error -17 adding sysfs files [ 539.437116][T26583] gfs2: fsid=_h: can't read superblock: -22 17:44:19 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:19 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x8c', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:19 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x83, 0x400000000000) 17:44:19 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0xd}, 0x1c) 17:44:19 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfl2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:20 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:20 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x84, 0x400000000000) 17:44:20 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0xf}, 0x1c) [ 540.017101][T26645] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:20 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x10}, 0x1c) [ 540.062674][T26645] gfs2: fsid=_h: Now mounting FS... [ 540.082113][T26645] gfs2: not a GFS2 filesystem [ 540.090720][T26645] gfs2: fsid=_h: can't read superblock 17:44:20 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x85, 0x400000000000) [ 540.137575][T26645] gfs2: fsid=_h: can't read superblock: -22 17:44:20 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xf6', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 540.200071][T26660] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 540.221545][T26660] CPU: 1 PID: 26660 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 540.229571][T26660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 540.239633][T26660] Call Trace: [ 540.242942][T26660] dump_stack+0x172/0x1f0 [ 540.247291][T26660] sysfs_warn_dup.cold+0x1c/0x31 [ 540.252238][T26660] sysfs_create_dir_ns+0x242/0x2a0 [ 540.257354][T26660] ? sysfs_create_mount_point+0xa0/0xa0 [ 540.262930][T26660] kobject_add_internal.cold+0xe5/0x5d4 [ 540.268502][T26660] kobject_init_and_add+0x101/0x160 [ 540.273704][T26660] ? kobject_add_internal+0x380/0x380 [ 540.273726][T26660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 540.273743][T26660] ? vsnprintf+0x58b/0x1af0 [ 540.273769][T26660] gfs2_sys_fs_add+0x1aa/0x470 [ 540.285387][T26660] ? recover_store+0x160/0x160 [ 540.285410][T26660] ? snprintf+0xbb/0xf0 [ 540.285427][T26660] ? vscnprintf+0x60/0x80 [ 540.285452][T26660] ? memcpy+0x46/0x50 [ 540.285474][T26660] fill_super+0x12f5/0x25c0 [ 540.285493][T26660] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 540.285519][T26660] ? gfs2_online_uevent+0x1f0/0x1f0 [ 540.294766][T26660] ? set_blocksize+0x72/0x340 [ 540.294785][T26660] ? set_blocksize+0x7b/0x340 [ 540.294802][T26660] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 540.294816][T26660] ? set_blocksize+0x2bf/0x340 17:44:20 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x11}, 0x1c) [ 540.294835][T26660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 540.294855][T26660] gfs2_mount+0x504/0x5de [ 540.294875][T26660] ? fill_super+0x25c0/0x25c0 [ 540.294915][T26660] ? security_sb_eat_lsm_opts+0x35/0xb0 [ 540.303816][T26660] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 540.303838][T26660] ? fill_super+0x25c0/0x25c0 [ 540.303856][T26660] legacy_get_tree+0xf2/0x200 [ 540.303876][T26660] vfs_get_tree+0x123/0x450 [ 540.303893][T26660] do_mount+0x1436/0x2c40 [ 540.303916][T26660] ? copy_mount_string+0x40/0x40 [ 540.303935][T26660] ? copy_mount_options+0x198/0x3a0 [ 540.312323][T26660] ? __sanitizer_cov_trace_pc+0x3f/0x50 [ 540.322260][T26660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 540.322276][T26660] ? copy_mount_options+0x280/0x3a0 [ 540.322297][T26660] ksys_mount+0xdb/0x150 [ 540.322315][T26660] __x64_sys_mount+0xbe/0x150 [ 540.322336][T26660] do_syscall_64+0x103/0x610 [ 540.322368][T26660] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 540.332219][T26660] RIP: 0033:0x45ac7a [ 540.332235][T26660] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 540.332244][T26660] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 540.332259][T26660] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 540.332269][T26660] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 540.332278][T26660] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 540.332287][T26660] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 540.332296][T26660] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 540.341241][T26660] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 540.359759][T26660] gfs2: fsid=_h: error -17 adding sysfs files [ 540.715491][T26688] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 540.723549][T26688] gfs2: fsid=_h: Now mounting FS... [ 540.754195][T26688] gfs2: not a GFS2 filesystem [ 540.758985][T26688] gfs2: fsid=_h: can't read superblock [ 540.785373][T26688] gfs2: fsid=_h: can't read superblock: -22 17:44:21 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:21 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x86, 0x400000000000) 17:44:21 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x12}, 0x1c) 17:44:21 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:21 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfo2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:21 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xff', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:21 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x87, 0x400000000000) 17:44:21 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x14}, 0x1c) [ 541.139174][T26713] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 541.186929][T26704] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 541.214180][T26713] gfs2: fsid=_h: Now mounting FS... [ 541.219272][T26704] CPU: 1 PID: 26704 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 17:44:21 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x17}, 0x1c) [ 541.227410][T26704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 541.227419][T26704] Call Trace: [ 541.227448][T26704] dump_stack+0x172/0x1f0 [ 541.227474][T26704] sysfs_warn_dup.cold+0x1c/0x31 [ 541.227500][T26704] sysfs_create_dir_ns+0x242/0x2a0 [ 541.250514][T26713] gfs2: not a GFS2 filesystem [ 541.255227][T26704] ? sysfs_create_mount_point+0xa0/0xa0 [ 541.255259][T26704] kobject_add_internal.cold+0xe5/0x5d4 [ 541.255279][T26704] kobject_init_and_add+0x101/0x160 [ 541.255294][T26704] ? kobject_add_internal+0x380/0x380 17:44:21 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x88, 0x400000000000) [ 541.255313][T26704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 541.255328][T26704] ? vsnprintf+0x58b/0x1af0 [ 541.255367][T26704] gfs2_sys_fs_add+0x1aa/0x470 [ 541.271408][T26704] ? recover_store+0x160/0x160 [ 541.271432][T26704] ? snprintf+0xbb/0xf0 [ 541.271453][T26704] ? vscnprintf+0x60/0x80 [ 541.281532][T26713] gfs2: fsid=_h: can't read superblock [ 541.282029][T26704] ? set_blocksize+0x2bf/0x340 [ 541.282051][T26704] ? memcpy+0x46/0x50 [ 541.294133][T26713] gfs2: fsid=_h: can't read superblock: -22 [ 541.297578][T26704] fill_super+0x12f5/0x25c0 [ 541.297598][T26704] ? trace_hardirqs_on_caller+0x6a/0x220 [ 541.297625][T26704] ? gfs2_online_uevent+0x1f0/0x1f0 [ 541.297641][T26704] ? retint_kernel+0x2d/0x2d [ 541.297665][T26704] ? sb_set_blocksize+0xb1/0x110 [ 541.335408][T26704] ? __sanitizer_cov_trace_pc+0x4b/0x50 [ 541.335428][T26704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.335457][T26704] gfs2_mount+0x504/0x5de [ 541.346291][T26704] ? fill_super+0x25c0/0x25c0 [ 541.346333][T26704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 541.346350][T26704] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 541.346383][T26704] ? fill_super+0x25c0/0x25c0 [ 541.346402][T26704] legacy_get_tree+0xf2/0x200 [ 541.346425][T26704] vfs_get_tree+0x123/0x450 [ 541.355939][T26704] do_mount+0x1436/0x2c40 [ 541.355964][T26704] ? copy_mount_string+0x40/0x40 [ 541.355993][T26704] ? __sanitizer_cov_trace_const_cmp4+0xa/0x20 [ 541.356010][T26704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.356022][T26704] ? copy_mount_options+0x280/0x3a0 [ 541.356041][T26704] ksys_mount+0xdb/0x150 [ 541.356061][T26704] __x64_sys_mount+0xbe/0x150 [ 541.367928][T26704] do_syscall_64+0x103/0x610 [ 541.367950][T26704] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 541.367963][T26704] RIP: 0033:0x45ac7a [ 541.367986][T26704] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 541.367995][T26704] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 541.368010][T26704] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 541.368019][T26704] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 541.368027][T26704] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 541.368036][T26704] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 541.368045][T26704] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 541.400219][T26704] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 541.459530][T26704] gfs2: fsid=_h: error -17 adding sysfs files 17:44:21 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfp2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:21 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:22 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:22 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x89, 0x400000000000) 17:44:22 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x18}, 0x1c) 17:44:22 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 541.930830][T26756] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 541.968900][T26756] gfs2: fsid=_h: Now mounting FS... 17:44:22 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x19}, 0x1c) 17:44:22 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x8a, 0x400000000000) [ 542.021460][T26771] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 542.039458][T26756] gfs2: not a GFS2 filesystem [ 542.074916][T26771] CPU: 0 PID: 26771 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 542.082959][T26771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 542.093024][T26771] Call Trace: [ 542.096338][T26771] dump_stack+0x172/0x1f0 [ 542.100701][T26771] sysfs_warn_dup.cold+0x1c/0x31 [ 542.105657][T26771] sysfs_create_dir_ns+0x242/0x2a0 [ 542.110782][T26771] ? sysfs_create_mount_point+0xa0/0xa0 [ 542.111166][T26756] gfs2: fsid=_h: can't read superblock [ 542.116357][T26771] kobject_add_internal.cold+0xe5/0x5d4 [ 542.116388][T26771] kobject_init_and_add+0x101/0x160 [ 542.116402][T26771] ? kobject_add_internal+0x380/0x380 [ 542.116423][T26771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 542.116439][T26771] ? vsnprintf+0x58b/0x1af0 [ 542.116468][T26771] gfs2_sys_fs_add+0x1aa/0x470 [ 542.116491][T26771] ? recover_store+0x160/0x160 [ 542.116510][T26771] ? snprintf+0xbb/0xf0 [ 542.116525][T26771] ? vscnprintf+0x60/0x80 [ 542.116544][T26771] ? set_blocksize+0x2bf/0x340 17:44:22 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x8b, 0x400000000000) 17:44:22 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfu2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 542.116566][T26771] ? memcpy+0x46/0x50 [ 542.116590][T26771] fill_super+0x12f5/0x25c0 [ 542.116621][T26771] ? gfs2_online_uevent+0x1f0/0x1f0 [ 542.116638][T26771] ? snprintf+0xbb/0xf0 [ 542.116654][T26771] ? vsprintf+0x40/0x40 [ 542.116675][T26771] ? wait_for_completion+0x440/0x440 [ 542.116690][T26771] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 542.116704][T26771] ? set_blocksize+0x2bf/0x340 [ 542.116722][T26771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 542.116743][T26771] gfs2_mount+0x504/0x5de [ 542.116762][T26771] ? fill_super+0x25c0/0x25c0 [ 542.116801][T26771] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 542.116818][T26771] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 542.116841][T26771] ? fill_super+0x25c0/0x25c0 [ 542.116859][T26771] legacy_get_tree+0xf2/0x200 [ 542.116878][T26771] vfs_get_tree+0x123/0x450 [ 542.116896][T26771] do_mount+0x1436/0x2c40 [ 542.116919][T26771] ? copy_mount_string+0x40/0x40 [ 542.116943][T26771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 542.116957][T26771] ? copy_mount_options+0x280/0x3a0 [ 542.116975][T26771] ksys_mount+0xdb/0x150 [ 542.116994][T26771] __x64_sys_mount+0xbe/0x150 [ 542.117015][T26771] do_syscall_64+0x103/0x610 [ 542.117035][T26771] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 542.117048][T26771] RIP: 0033:0x45ac7a [ 542.117063][T26771] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 542.117072][T26771] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 542.117087][T26771] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 542.117097][T26771] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 542.117106][T26771] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 542.117115][T26771] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 542.117125][T26771] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:44:22 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x1a}, 0x1c) [ 542.180676][T26771] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 542.199107][T26756] gfs2: fsid=_h: can't read superblock: -22 [ 542.219595][T26771] gfs2: fsid=_h: error -17 adding sysfs files [ 542.648774][T26772] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:22 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:22 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x1c}, 0x1c) 17:44:22 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:22 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x8c, 0x400000000000) [ 542.721232][T26772] gfs2: fsid=_h: Now mounting FS... [ 542.753422][T26772] gfs2: not a GFS2 filesystem [ 542.758446][T26772] gfs2: fsid=_h: can't read superblock [ 542.765554][T26772] gfs2: fsid=_h: can't read superblock: -22 17:44:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x1e}, 0x1c) 17:44:23 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x8d, 0x400000000000) 17:44:23 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:23 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfx2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 542.950724][T26811] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 543.000114][T26811] gfs2: fsid=_h: Now mounting FS... [ 543.027780][T26811] gfs2: not a GFS2 filesystem 17:44:23 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x8e, 0x400000000000) 17:44:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x22}, 0x1c) [ 543.056155][T26811] gfs2: fsid=_h: can't read superblock [ 543.078070][T26811] gfs2: fsid=_h: can't read superblock: -22 [ 543.135574][T26816] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 543.185440][T26827] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 543.187549][T26816] CPU: 0 PID: 26816 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 543.200536][T26816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 543.210591][T26816] Call Trace: [ 543.213891][T26816] dump_stack+0x172/0x1f0 [ 543.218233][T26816] sysfs_warn_dup.cold+0x1c/0x31 [ 543.223175][T26816] sysfs_create_dir_ns+0x242/0x2a0 [ 543.228293][T26816] ? sysfs_create_mount_point+0xa0/0xa0 [ 543.233860][T26816] kobject_add_internal.cold+0xe5/0x5d4 [ 543.239506][T26816] kobject_init_and_add+0x101/0x160 [ 543.244721][T26816] ? kobject_add_internal+0x380/0x380 [ 543.250101][T26816] ? retint_kernel+0x2d/0x2d [ 543.254727][T26816] gfs2_sys_fs_add+0x1aa/0x470 [ 543.259502][T26816] ? recover_store+0x160/0x160 [ 543.264376][T26816] ? snprintf+0xbb/0xf0 [ 543.268645][T26816] ? vscnprintf+0x60/0x80 [ 543.273081][T26816] ? set_blocksize+0x2bf/0x340 [ 543.277971][T26816] ? memcpy+0x46/0x50 17:44:23 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x8f, 0x400000000000) [ 543.281972][T26816] fill_super+0x12f5/0x25c0 [ 543.286501][T26816] ? gfs2_online_uevent+0x1f0/0x1f0 [ 543.291708][T26816] ? snprintf+0xbb/0xf0 [ 543.295959][T26816] ? vsprintf+0x40/0x40 [ 543.300128][T26816] ? wait_for_completion+0x440/0x440 [ 543.305424][T26816] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 543.311152][T26816] ? set_blocksize+0x2bf/0x340 [ 543.315932][T26816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 543.322190][T26816] gfs2_mount+0x504/0x5de [ 543.326532][T26816] ? fill_super+0x25c0/0x25c0 [ 543.331269][T26816] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 543.337522][T26816] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 543.343171][T26816] ? fill_super+0x25c0/0x25c0 [ 543.347859][T26816] legacy_get_tree+0xf2/0x200 [ 543.352543][T26816] vfs_get_tree+0x123/0x450 [ 543.352562][T26816] do_mount+0x1436/0x2c40 [ 543.352585][T26816] ? copy_mount_string+0x40/0x40 [ 543.352607][T26816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 543.352625][T26816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 543.352645][T26816] ? copy_mount_options+0x280/0x3a0 [ 543.384148][T26816] ksys_mount+0xdb/0x150 [ 543.388409][T26816] __x64_sys_mount+0xbe/0x150 [ 543.393395][T26816] do_syscall_64+0x103/0x610 [ 543.398005][T26816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 543.403902][T26816] RIP: 0033:0x45ac7a [ 543.409298][T26816] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 543.409308][T26816] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 543.409323][T26816] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 543.409333][T26816] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 543.409343][T26816] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 543.409351][T26816] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 543.409369][T26816] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 543.459483][T26816] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 543.462214][T26827] CPU: 1 PID: 26827 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 543.471172][T26816] gfs2: fsid=_h: error -17 adding sysfs files [ 543.477885][T26827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 543.477892][T26827] Call Trace: [ 543.477916][T26827] dump_stack+0x172/0x1f0 [ 543.477938][T26827] sysfs_warn_dup.cold+0x1c/0x31 [ 543.477955][T26827] sysfs_create_dir_ns+0x242/0x2a0 17:44:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x24}, 0x1c) [ 543.477971][T26827] ? sysfs_create_mount_point+0xa0/0xa0 [ 543.478008][T26827] kobject_add_internal.cold+0xe5/0x5d4 [ 543.478030][T26827] kobject_init_and_add+0x101/0x160 [ 543.478046][T26827] ? kobject_add_internal+0x380/0x380 [ 543.478068][T26827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 543.478084][T26827] ? vsnprintf+0x58b/0x1af0 [ 543.478114][T26827] gfs2_sys_fs_add+0x1aa/0x470 [ 543.478131][T26827] ? recover_store+0x160/0x160 [ 543.478152][T26827] ? snprintf+0xbb/0xf0 [ 543.478168][T26827] ? vscnprintf+0x60/0x80 [ 543.478188][T26827] ? set_blocksize+0x2bf/0x340 [ 543.478209][T26827] ? memcpy+0x46/0x50 [ 543.478233][T26827] fill_super+0x12f5/0x25c0 [ 543.478264][T26827] ? gfs2_online_uevent+0x1f0/0x1f0 [ 543.478281][T26827] ? snprintf+0xbb/0xf0 [ 543.478302][T26827] ? vsprintf+0x40/0x40 [ 543.515057][T26827] ? wait_for_completion+0x440/0x440 [ 543.515076][T26827] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 543.515091][T26827] ? set_blocksize+0x2bf/0x340 [ 543.515109][T26827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 543.515130][T26827] gfs2_mount+0x504/0x5de [ 543.515149][T26827] ? fill_super+0x25c0/0x25c0 [ 543.515182][T26827] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 543.523407][T26827] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 543.523433][T26827] ? fill_super+0x25c0/0x25c0 [ 543.523452][T26827] legacy_get_tree+0xf2/0x200 [ 543.523471][T26827] vfs_get_tree+0x123/0x450 [ 543.523488][T26827] do_mount+0x1436/0x2c40 [ 543.523516][T26827] ? copy_mount_string+0x40/0x40 [ 543.534272][T26827] ? copy_mount_options+0x198/0x3a0 [ 543.534289][T26827] ? __sanitizer_cov_trace_pc+0x26/0x50 [ 543.534306][T26827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 543.534319][T26827] ? copy_mount_options+0x280/0x3a0 [ 543.534338][T26827] ksys_mount+0xdb/0x150 [ 543.534372][T26827] __x64_sys_mount+0xbe/0x150 [ 543.545533][T26827] do_syscall_64+0x103/0x610 [ 543.545555][T26827] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 543.545568][T26827] RIP: 0033:0x45ac7a [ 543.545584][T26827] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 543.545592][T26827] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 543.545607][T26827] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 543.545617][T26827] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 543.545632][T26827] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 543.556455][T26827] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 543.556465][T26827] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 543.569870][T26827] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 543.578316][T26827] gfs2: fsid=_h: error -17 adding sysfs files 17:44:24 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:24 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x90, 0x400000000000) 17:44:24 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x26}, 0x1c) 17:44:24 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:24 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:24 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs\n\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:24 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x28}, 0x1c) 17:44:24 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x91, 0x400000000000) [ 544.368078][T26866] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 544.391954][T26885] sysfs: cannot create duplicate filename '/fs/gfs2/_h' 17:44:24 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x2a}, 0x1c) [ 544.423337][T26866] gfs2: fsid=_h: Now mounting FS... [ 544.433108][T26885] CPU: 0 PID: 26885 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 544.441128][T26885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 544.451199][T26885] Call Trace: [ 544.454519][T26885] dump_stack+0x172/0x1f0 [ 544.458900][T26885] sysfs_warn_dup.cold+0x1c/0x31 [ 544.464130][T26885] sysfs_create_dir_ns+0x242/0x2a0 17:44:24 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x92, 0x400000000000) [ 544.469493][T26885] ? sysfs_create_mount_point+0xa0/0xa0 [ 544.475076][T26885] kobject_add_internal.cold+0xe5/0x5d4 [ 544.480664][T26885] kobject_init_and_add+0x101/0x160 [ 544.486260][T26885] ? kobject_add_internal+0x380/0x380 [ 544.491654][T26885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 544.497173][T26866] gfs2: not a GFS2 filesystem [ 544.497912][T26885] ? vsnprintf+0x58b/0x1af0 [ 544.497941][T26885] gfs2_sys_fs_add+0x1aa/0x470 [ 544.504870][T26866] gfs2: fsid=_h: can't read superblock [ 544.507124][T26885] ? recover_store+0x160/0x160 [ 544.507148][T26885] ? snprintf+0xbb/0xf0 [ 544.507165][T26885] ? vscnprintf+0x60/0x80 [ 544.507186][T26885] ? set_blocksize+0x2bf/0x340 [ 544.507208][T26885] ? memcpy+0x46/0x50 [ 544.507233][T26885] fill_super+0x12f5/0x25c0 [ 544.507264][T26885] ? gfs2_online_uevent+0x1f0/0x1f0 [ 544.507281][T26885] ? snprintf+0xbb/0xf0 [ 544.507298][T26885] ? vsprintf+0x40/0x40 [ 544.507320][T26885] ? wait_for_completion+0x440/0x440 [ 544.520722][T26866] gfs2: fsid=_h: can't read superblock: -22 [ 544.522502][T26885] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 544.522520][T26885] ? set_blocksize+0x2bf/0x340 [ 544.522540][T26885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 544.522563][T26885] gfs2_mount+0x504/0x5de [ 544.522583][T26885] ? fill_super+0x25c0/0x25c0 [ 544.522623][T26885] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 544.522643][T26885] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 544.522668][T26885] ? fill_super+0x25c0/0x25c0 [ 544.615518][T26885] legacy_get_tree+0xf2/0x200 [ 544.620305][T26885] vfs_get_tree+0x123/0x450 [ 544.624828][T26885] do_mount+0x1436/0x2c40 [ 544.629263][T26885] ? copy_mount_string+0x40/0x40 [ 544.634224][T26885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 544.640559][T26885] ? copy_mount_options+0x280/0x3a0 [ 544.646413][T26885] ksys_mount+0xdb/0x150 [ 544.650673][T26885] __x64_sys_mount+0xbe/0x150 [ 544.655399][T26885] do_syscall_64+0x103/0x610 [ 544.660047][T26885] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 544.666752][T26885] RIP: 0033:0x45ac7a [ 544.670673][T26885] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 544.691351][T26885] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 544.699802][T26885] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 544.707905][T26885] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 544.715910][T26885] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 544.723895][T26885] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 544.732243][T26885] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 544.783699][T26885] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 544.824061][T26881] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 544.832084][T26881] CPU: 0 PID: 26881 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 544.840075][T26881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 544.850499][T26881] Call Trace: [ 544.853816][T26881] dump_stack+0x172/0x1f0 [ 544.858174][T26881] sysfs_warn_dup.cold+0x1c/0x31 [ 544.863153][T26881] sysfs_create_dir_ns+0x242/0x2a0 [ 544.868306][T26881] ? sysfs_create_mount_point+0xa0/0xa0 17:44:25 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x4) [ 544.873865][T26881] ? do_raw_spin_unlock+0x57/0x270 [ 544.879001][T26881] ? do_raw_spin_unlock+0x121/0x270 [ 544.884322][T26881] kobject_add_internal.cold+0xe5/0x5d4 [ 544.890068][T26881] kobject_init_and_add+0x101/0x160 [ 544.895278][T26881] ? kobject_add_internal+0x380/0x380 [ 544.900716][T26881] ? mark_held_locks+0xa4/0xf0 [ 544.905674][T26881] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 544.911148][T26881] gfs2_sys_fs_add+0x1aa/0x470 [ 544.915921][T26881] ? recover_store+0x160/0x160 [ 544.920702][T26881] ? retint_kernel+0x2d/0x2d [ 544.925323][T26881] fill_super+0x12f5/0x25c0 [ 544.929856][T26881] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 544.935427][T26881] ? gfs2_online_uevent+0x1f0/0x1f0 [ 544.940644][T26881] ? set_blocksize+0x80/0x340 [ 544.945348][T26881] ? set_blocksize+0xc7/0x340 [ 544.950131][T26881] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 544.955857][T26881] ? set_blocksize+0x2bf/0x340 [ 544.960634][T26881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 544.966918][T26881] gfs2_mount+0x504/0x5de 17:44:25 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x93, 0x400000000000) [ 544.971289][T26881] ? fill_super+0x25c0/0x25c0 [ 544.976001][T26881] ? retint_kernel+0x2d/0x2d [ 544.980614][T26881] ? fill_super+0x25c0/0x25c0 [ 544.985401][T26881] legacy_get_tree+0xf2/0x200 [ 544.990090][T26881] ? __sanitizer_cov_trace_pc+0x3f/0x50 [ 544.995643][T26881] vfs_get_tree+0x123/0x450 [ 545.000247][T26881] do_mount+0x1436/0x2c40 [ 545.000272][T26881] ? copy_mount_string+0x40/0x40 [ 545.000291][T26881] ? copy_mount_options+0x1f8/0x3a0 [ 545.014746][T26881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 545.014763][T26881] ? copy_mount_options+0x280/0x3a0 [ 545.014783][T26881] ksys_mount+0xdb/0x150 [ 545.014802][T26881] __x64_sys_mount+0xbe/0x150 [ 545.014822][T26881] do_syscall_64+0x103/0x610 [ 545.014842][T26881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 545.014854][T26881] RIP: 0033:0x45ac7a [ 545.014869][T26881] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 545.014878][T26881] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 545.014893][T26881] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 545.014902][T26881] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 545.014918][T26881] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 545.070301][T26881] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 545.070311][T26881] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 545.088464][T26885] gfs2: fsid=_h: error -17 adding sysfs files [ 545.135943][T26881] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 545.156495][T26881] gfs2: fsid=_h: error -17 adding sysfs files 17:44:25 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:25 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs%\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:25 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x17) 17:44:25 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x94, 0x400000000000) 17:44:25 executing program 2: bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:25 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1b) 17:44:25 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:25 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x95, 0x400000000000) 17:44:25 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x2000011c) 17:44:25 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x96, 0x400000000000) [ 545.615819][T26932] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 545.630517][T26932] gfs2: fsid=_h: Now mounting FS... [ 545.647730][T26932] gfs2: not a GFS2 filesystem [ 545.679438][T26934] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 545.683705][T26932] gfs2: fsid=_h: can't read superblock [ 545.707059][T26932] gfs2: fsid=_h: can't read superblock: -22 [ 545.723435][T26934] CPU: 0 PID: 26934 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 545.731466][T26934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 545.741542][T26934] Call Trace: [ 545.744952][T26934] dump_stack+0x172/0x1f0 [ 545.749324][T26934] sysfs_warn_dup.cold+0x1c/0x31 [ 545.754453][T26934] sysfs_create_dir_ns+0x242/0x2a0 [ 545.759576][T26934] ? sysfs_create_mount_point+0xa0/0xa0 [ 545.765148][T26934] kobject_add_internal.cold+0xe5/0x5d4 [ 545.770812][T26934] kobject_init_and_add+0x101/0x160 [ 545.776042][T26934] ? kobject_add_internal+0x380/0x380 [ 545.781455][T26934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 545.787705][T26934] ? vsnprintf+0x58b/0x1af0 [ 545.792281][T26934] gfs2_sys_fs_add+0x1aa/0x470 [ 545.797227][T26934] ? recover_store+0x160/0x160 [ 545.802004][T26934] ? snprintf+0xbb/0xf0 [ 545.806170][T26934] ? vscnprintf+0x60/0x80 [ 545.810523][T26934] ? set_blocksize+0x2bf/0x340 [ 545.815298][T26934] ? memcpy+0x46/0x50 [ 545.819315][T26934] fill_super+0x12f5/0x25c0 [ 545.823842][T26934] ? gfs2_online_uevent+0x1f0/0x1f0 [ 545.829049][T26934] ? snprintf+0xbb/0xf0 [ 545.833683][T26934] ? vsprintf+0x40/0x40 [ 545.837847][T26934] ? wait_for_completion+0x440/0x440 [ 545.837864][T26934] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 545.837881][T26934] ? set_blocksize+0x2bf/0x340 [ 545.837900][T26934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 545.837921][T26934] gfs2_mount+0x504/0x5de [ 545.848912][T26934] ? fill_super+0x25c0/0x25c0 [ 545.848960][T26934] ? retint_kernel+0x2d/0x2d [ 545.848979][T26934] ? fill_super+0x25c0/0x25c0 17:44:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000040)={0xa, 0xfffffffffffffffc, 0x0, @dev={0xfe, 0x80, [], 0x13}}, 0x1c) [ 545.848998][T26934] legacy_get_tree+0xf2/0x200 [ 545.849023][T26934] vfs_get_tree+0x123/0x450 [ 545.860033][T26934] do_mount+0x1436/0x2c40 [ 545.860058][T26934] ? copy_mount_string+0x40/0x40 [ 545.860076][T26934] ? copy_mount_options+0x198/0x3a0 [ 545.860091][T26934] ? copy_mount_options+0x1c3/0x3a0 [ 545.860108][T26934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 545.860130][T26934] ? copy_mount_options+0x280/0x3a0 [ 545.869140][T26934] ksys_mount+0xdb/0x150 [ 545.869164][T26934] __x64_sys_mount+0xbe/0x150 [ 545.883299][T26934] do_syscall_64+0x103/0x610 [ 545.883323][T26934] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 545.883336][T26934] RIP: 0033:0x45ac7a [ 545.883351][T26934] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 545.883359][T26934] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 17:44:26 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs3\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 545.883384][T26934] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 545.883393][T26934] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 545.883401][T26934] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 545.883409][T26934] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 545.883418][T26934] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 546.022712][T26941] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 546.042242][T26941] gfs2: fsid=_h: Now mounting FS... [ 546.048833][T26934] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 546.052864][T26941] gfs2: not a GFS2 filesystem [ 546.070863][T26934] gfs2: fsid=_h: error -17 adding sysfs files [ 546.076819][T26941] gfs2: fsid=_h: can't read superblock [ 546.102027][T26941] gfs2: fsid=_h: can't read superblock: -22 17:44:26 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:26 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x97, 0x400000000000) 17:44:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) setsockopt$nfc_llcp_NFC_LLCP_RW(r1, 0x118, 0x0, &(0x7f0000000080)=0xd25, 0x4) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000140)={0x7f, {{0xa, 0x4e22, 0x4, @empty, 0x8}}, 0x1, 0x7, [{{0xa, 0x4e24, 0x80000001, @local, 0x101}}, {{0xa, 0x4e24, 0x4, @dev={0xfe, 0x80, [], 0x13}, 0x7}}, {{0xa, 0x4e22, 0xfffffffffffffffa, @remote, 0x17}}, {{0xa, 0x4e23, 0xb01c, @remote, 0x4}}, {{0xa, 0x4e24, 0x2, @mcast2, 0x4}}, {{0xa, 0x4e22, 0x1ac, @mcast2, 0x7}}, {{0xa, 0x4e21, 0xb7, @rand_addr="9a0ccbf4f3da73b6bbb6dd84ed2ef0cc", 0xffff}}]}, 0x410) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_RWSTAT(r2, &(0x7f0000000040)={0x7, 0x7f, 0x1}, 0x7) ioctl$KVM_GET_EMULATED_CPUID(r2, 0xc008ae09, &(0x7f0000000580)=""/154) 17:44:26 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x98, 0x400000000000) 17:44:26 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0, 0x6}, &(0x7f0000000040)=0x8) openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hwrng\x00', 0x410000, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000080)={r1, 0x78}, 0x8) 17:44:26 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 546.679180][T26986] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 546.734157][T26986] gfs2: fsid=_h: Now mounting FS... 17:44:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x20000000004}, 0xfc93) r1 = syz_open_dev$vcsn(&(0x7f0000000200)='/dev/vcs#\x00', 0x0, 0x4000) ioctl$KVM_GET_REGS(r1, 0x8090ae81, &(0x7f0000000140)) r2 = openat$vfio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vfio/vfio\x00', 0x4100, 0x0) msync(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x7) connect$netlink(r2, &(0x7f0000000040)=@unspec, 0xc) setsockopt$bt_hci_HCI_FILTER(r2, 0x0, 0x2, &(0x7f0000000080)={0xcc2, 0x800, 0x1ff, 0x1}, 0x10) setsockopt$inet6_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f00000000c0)='tls\x00', 0x4) [ 546.774122][T26986] gfs2: not a GFS2 filesystem 17:44:27 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs9\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 546.803170][T26986] gfs2: fsid=_h: can't read superblock 17:44:27 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x99, 0x400000000000) [ 546.852101][T26986] gfs2: fsid=_h: can't read superblock: -22 [ 546.878316][T26992] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 546.896297][T27006] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 546.942837][T27006] CPU: 0 PID: 27006 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 546.950863][T27006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 546.961443][T27006] Call Trace: [ 546.964759][T27006] dump_stack+0x172/0x1f0 [ 546.969099][T27006] sysfs_warn_dup.cold+0x1c/0x31 [ 546.974067][T27006] sysfs_create_dir_ns+0x242/0x2a0 [ 546.979187][T27006] ? sysfs_create_mount_point+0xa0/0xa0 [ 546.984758][T27006] kobject_add_internal.cold+0xe5/0x5d4 [ 546.990499][T27006] kobject_init_and_add+0x101/0x160 [ 546.995701][T27006] ? kobject_add_internal+0x380/0x380 [ 547.001085][T27006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 547.007328][T27006] ? vsnprintf+0x58b/0x1af0 [ 547.011854][T27006] gfs2_sys_fs_add+0x1aa/0x470 [ 547.016624][T27006] ? recover_store+0x160/0x160 [ 547.021427][T27006] ? snprintf+0xbb/0xf0 [ 547.025590][T27006] ? vscnprintf+0x60/0x80 [ 547.029934][T27006] ? memcpy+0x46/0x50 [ 547.033929][T27006] fill_super+0x12f5/0x25c0 [ 547.038435][T27006] ? retint_kernel+0x2d/0x2d [ 547.043056][T27006] ? trace_hardirqs_on_caller+0x6a/0x220 [ 547.049059][T27006] ? gfs2_online_uevent+0x1f0/0x1f0 [ 547.054264][T27006] ? retint_kernel+0x2d/0x2d [ 547.058945][T27006] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 547.064879][T27006] ? set_blocksize+0x2bf/0x340 [ 547.069654][T27006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 547.075905][T27006] gfs2_mount+0x504/0x5de [ 547.080252][T27006] ? fill_super+0x25c0/0x25c0 [ 547.084974][T27006] ? fill_super+0x25c0/0x25c0 [ 547.089655][T27006] legacy_get_tree+0xf2/0x200 [ 547.089676][T27006] vfs_get_tree+0x123/0x450 [ 547.089694][T27006] do_mount+0x1436/0x2c40 [ 547.089713][T27006] ? calibrate_delay.cold+0x44f/0x4a7 [ 547.089739][T27006] ? copy_mount_string+0x40/0x40 [ 547.113683][T27006] ? retint_kernel+0x2d/0x2d [ 547.118298][T27006] ksys_mount+0xdb/0x150 [ 547.122724][T27006] __x64_sys_mount+0xbe/0x150 [ 547.127410][T27006] ? do_syscall_64+0x5b/0x610 [ 547.132097][T27006] do_syscall_64+0x103/0x610 [ 547.136698][T27006] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 547.142846][T27006] RIP: 0033:0x45ac7a [ 547.142863][T27006] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 547.142871][T27006] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 547.142886][T27006] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 547.142894][T27006] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 17:44:27 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x9a, 0x400000000000) [ 547.142904][T27006] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 547.142913][T27006] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 547.142922][T27006] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 547.186314][T27006] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 547.195154][T26992] CPU: 1 PID: 26992 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 547.215830][T26992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 547.215837][T26992] Call Trace: [ 547.215861][T26992] dump_stack+0x172/0x1f0 [ 547.215883][T26992] sysfs_warn_dup.cold+0x1c/0x31 [ 547.215899][T26992] sysfs_create_dir_ns+0x242/0x2a0 [ 547.215914][T26992] ? sysfs_create_mount_point+0xa0/0xa0 [ 547.215945][T26992] kobject_add_internal.cold+0xe5/0x5d4 [ 547.242791][T27006] gfs2: fsid=_h: error -17 adding sysfs files [ 547.246884][T26992] kobject_init_and_add+0x101/0x160 [ 547.246899][T26992] ? kobject_add_internal+0x380/0x380 [ 547.246920][T26992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 547.246937][T26992] ? vsnprintf+0x58b/0x1af0 [ 547.246967][T26992] gfs2_sys_fs_add+0x1aa/0x470 [ 547.246991][T26992] ? recover_store+0x160/0x160 [ 547.247012][T26992] ? snprintf+0xbb/0xf0 [ 547.247029][T26992] ? vscnprintf+0x60/0x80 [ 547.247054][T26992] ? memcpy+0x46/0x50 [ 547.259713][T26992] fill_super+0x12f5/0x25c0 [ 547.259747][T26992] ? gfs2_online_uevent+0x1f0/0x1f0 [ 547.259765][T26992] ? snprintf+0xbb/0xf0 [ 547.259782][T26992] ? vsprintf+0x40/0x40 17:44:27 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = accept(r0, &(0x7f0000000000)=@sco, &(0x7f0000000080)=0x80) setsockopt$TIPC_SRC_DROPPABLE(r1, 0x10f, 0x80, &(0x7f00000000c0)=0x4, 0x4) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000140)={0x4, 0x9, 0x1, 0x2, 0x209, 0x2, 0x4, 0x324b3140, 0x0}, &(0x7f0000000180)=0x20) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000001c0)=@assoc_id=r2, &(0x7f0000000200)=0x4) [ 547.259802][T26992] ? wait_for_completion+0x440/0x440 [ 547.259818][T26992] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 547.259840][T26992] ? set_blocksize+0x2bf/0x340 [ 547.312912][T26992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 547.312936][T26992] gfs2_mount+0x504/0x5de [ 547.312956][T26992] ? fill_super+0x25c0/0x25c0 [ 547.313003][T26992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 547.325454][T26992] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 547.325480][T26992] ? fill_super+0x25c0/0x25c0 [ 547.325499][T26992] legacy_get_tree+0xf2/0x200 [ 547.325519][T26992] vfs_get_tree+0x123/0x450 [ 547.325538][T26992] do_mount+0x1436/0x2c40 [ 547.325561][T26992] ? copy_mount_string+0x40/0x40 [ 547.325576][T26992] ? copy_mount_options+0x198/0x3a0 [ 547.325594][T26992] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 547.325614][T26992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 547.335299][T26992] ? copy_mount_options+0x280/0x3a0 [ 547.335320][T26992] ksys_mount+0xdb/0x150 [ 547.335338][T26992] __x64_sys_mount+0xbe/0x150 [ 547.335360][T26992] do_syscall_64+0x103/0x610 [ 547.335390][T26992] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 547.335403][T26992] RIP: 0033:0x45ac7a [ 547.335419][T26992] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 547.335427][T26992] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 547.344012][T26992] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 547.344021][T26992] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 547.344029][T26992] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 547.344038][T26992] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 547.344047][T26992] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 547.353256][T26992] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 547.391128][T26992] gfs2: fsid=_h: error -17 adding sysfs files 17:44:27 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:27 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:27 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = syz_open_dev$media(&(0x7f0000000000)='/dev/media#\x00', 0x1, 0x8000) ioctl$VIDIOC_QUERYCTRL(r1, 0xc0445624, &(0x7f0000000040)={0x1, 0x102, "bec4adb08dcf0eb64ec11c4c8d1ba21c9f81360d5b7b6a9e4511a1891ff6e09a", 0xfffffffffffffd53, 0x3, 0x947, 0x79, 0x40}) times(&(0x7f00000000c0)) ioctl$DRM_IOCTL_IRQ_BUSID(r1, 0xc0106403, &(0x7f0000000140)={0x8, 0x5, 0x80000000, 0x4}) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000380)={&(0x7f0000000200)={0x178, r2, 0x210, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x11}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x4}]}, @IPVS_CMD_ATTR_DAEMON={0x60, 0x3, [@IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @empty}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0xe8}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @local}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth0_to_bond\x00'}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_DEST={0x40, 0x2, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x5}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xfffffffffffffffe}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@rand_addr="a51353559b025eab2723e418f7b036f6"}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e22}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x30217878}]}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e24}]}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@initdev={0xac, 0x1e, 0x1, 0x0}}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x3}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x200}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x10001}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xa5}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x1}]}, @IPVS_CMD_ATTR_DEST={0x3c, 0x2, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x8}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x1}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x8}, @IPVS_DEST_ATTR_FWD_METHOD={0x8}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xffff}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x8}]}]}, 0x178}, 0x1, 0x0, 0x0, 0x1}, 0x20000001) socket$inet6_udp(0xa, 0x2, 0x0) 17:44:27 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:27 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x9b, 0x400000000000) 17:44:28 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs<\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 547.923863][T27059] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 547.926389][T27046] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 547.957392][T27049] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 547.975590][T27059] CPU: 0 PID: 27059 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 547.983610][T27059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 547.983617][T27059] Call Trace: [ 547.983644][T27059] dump_stack+0x172/0x1f0 [ 547.983671][T27059] sysfs_warn_dup.cold+0x1c/0x31 [ 547.983691][T27059] sysfs_create_dir_ns+0x242/0x2a0 [ 547.983709][T27059] ? sysfs_create_mount_point+0xa0/0xa0 [ 547.983742][T27059] kobject_add_internal.cold+0xe5/0x5d4 [ 547.983765][T27059] kobject_init_and_add+0x101/0x160 [ 548.028326][T27059] ? kobject_add_internal+0x380/0x380 [ 548.033720][T27059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 548.039964][T27059] ? vsnprintf+0x58b/0x1af0 [ 548.039993][T27059] gfs2_sys_fs_add+0x1aa/0x470 [ 548.040012][T27059] ? recover_store+0x160/0x160 [ 548.040033][T27059] ? snprintf+0xbb/0xf0 [ 548.040053][T27059] ? vscnprintf+0x60/0x80 [ 548.047400][T27046] gfs2: fsid=_h: Now mounting FS... [ 548.049312][T27059] ? set_blocksize+0x2bf/0x340 [ 548.049334][T27059] ? memcpy+0x46/0x50 [ 548.049358][T27059] fill_super+0x12f5/0x25c0 [ 548.049400][T27059] ? gfs2_online_uevent+0x1f0/0x1f0 [ 548.049418][T27059] ? snprintf+0xbb/0xf0 [ 548.049435][T27059] ? vsprintf+0x40/0x40 [ 548.049460][T27059] ? wait_for_completion+0x440/0x440 [ 548.063490][T27046] gfs2: not a GFS2 filesystem [ 548.068396][T27059] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 548.068412][T27059] ? set_blocksize+0x2bf/0x340 [ 548.068432][T27059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 17:44:28 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x9c, 0x400000000000) 17:44:28 executing program 3: r0 = socket$inet6(0xa, 0x5, 0x1) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 548.068454][T27059] gfs2_mount+0x504/0x5de [ 548.068474][T27059] ? fill_super+0x25c0/0x25c0 [ 548.068520][T27059] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 548.068539][T27059] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 548.068565][T27059] ? fill_super+0x25c0/0x25c0 [ 548.068584][T27059] legacy_get_tree+0xf2/0x200 [ 548.068604][T27059] vfs_get_tree+0x123/0x450 [ 548.068622][T27059] do_mount+0x1436/0x2c40 [ 548.068646][T27059] ? copy_mount_string+0x40/0x40 [ 548.068666][T27059] ? _copy_from_user+0xdd/0x150 [ 548.068686][T27059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 548.068701][T27059] ? copy_mount_options+0x280/0x3a0 [ 548.068721][T27059] ksys_mount+0xdb/0x150 [ 548.068739][T27059] __x64_sys_mount+0xbe/0x150 [ 548.068766][T27059] do_syscall_64+0x103/0x610 [ 548.083443][T27046] gfs2: fsid=_h: can't read superblock [ 548.087534][T27059] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 548.087548][T27059] RIP: 0033:0x45ac7a [ 548.087564][T27059] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 548.087572][T27059] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 548.087587][T27059] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 548.087597][T27059] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 548.087606][T27059] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 548.087615][T27059] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 548.087637][T27059] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 548.092306][T27046] gfs2: fsid=_h: can't read superblock: -22 [ 548.137928][T27059] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 548.141734][T27049] CPU: 1 PID: 27049 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 548.148379][T27059] gfs2: fsid=_h: error -17 adding sysfs files [ 548.150474][T27049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 548.150480][T27049] Call Trace: [ 548.150506][T27049] dump_stack+0x172/0x1f0 [ 548.150530][T27049] sysfs_warn_dup.cold+0x1c/0x31 [ 548.150547][T27049] sysfs_create_dir_ns+0x242/0x2a0 [ 548.150562][T27049] ? sysfs_create_mount_point+0xa0/0xa0 [ 548.150596][T27049] kobject_add_internal.cold+0xe5/0x5d4 [ 548.354969][T27049] kobject_init_and_add+0x101/0x160 [ 548.360165][T27049] ? kobject_add_internal+0x380/0x380 [ 548.365537][T27049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 548.371771][T27049] ? vsnprintf+0x58b/0x1af0 [ 548.376300][T27049] gfs2_sys_fs_add+0x1aa/0x470 [ 548.381068][T27049] ? recover_store+0x160/0x160 [ 548.393828][T27049] ? snprintf+0xbb/0xf0 [ 548.398269][T27049] ? vscnprintf+0x60/0x80 [ 548.402618][T27049] ? set_blocksize+0x2bf/0x340 [ 548.407397][T27049] ? memcpy+0x46/0x50 [ 548.411377][T27049] fill_super+0x12f5/0x25c0 [ 548.415874][T27049] ? gfs2_online_uevent+0x1f0/0x1f0 [ 548.421057][T27049] ? snprintf+0xbb/0xf0 [ 548.425198][T27049] ? vsprintf+0x40/0x40 [ 548.429350][T27049] ? wait_for_completion+0x440/0x440 [ 548.434833][T27049] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 548.440564][T27049] ? set_blocksize+0x2bf/0x340 [ 548.445323][T27049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 548.451587][T27049] gfs2_mount+0x504/0x5de [ 548.455904][T27049] ? fill_super+0x25c0/0x25c0 [ 548.460575][T27049] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 548.466981][T27049] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 548.472608][T27049] ? fill_super+0x25c0/0x25c0 [ 548.477275][T27049] legacy_get_tree+0xf2/0x200 [ 548.482027][T27049] vfs_get_tree+0x123/0x450 [ 548.486531][T27049] do_mount+0x1436/0x2c40 [ 548.490945][T27049] ? copy_mount_string+0x40/0x40 [ 548.495884][T27049] ? copy_mount_options+0x1ea/0x3a0 [ 548.501072][T27049] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 548.506607][T27049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 548.512948][T27049] ? copy_mount_options+0x280/0x3a0 [ 548.518158][T27049] ksys_mount+0xdb/0x150 [ 548.522412][T27049] __x64_sys_mount+0xbe/0x150 [ 548.527096][T27049] do_syscall_64+0x103/0x610 [ 548.531695][T27049] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 548.539167][T27049] RIP: 0033:0x45ac7a [ 548.543054][T27049] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 548.563034][T27049] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 548.572438][T27049] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 548.580397][T27049] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 548.588619][T27049] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 548.596578][T27049] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 548.604754][T27049] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:44:28 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x9d, 0x400000000000) 17:44:28 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:29 executing program 3: pipe2(&(0x7f0000004380)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000000)='IPVS\x00') sendmsg$IPVS_CMD_FLUSH(r0, &(0x7f00000044c0)={&(0x7f00000043c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000004480)={&(0x7f0000004440)={0x1c, r1, 0x220, 0x70bd2c, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) r2 = socket$inet6(0xa, 0x2, 0xfffffffffffffff8) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x1, 0xffffffff00000001, 0x8, 0x2, 0x14}, 0x2c) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000100)={r3, 0x0, 0x0}, 0x18) openat$apparmor_task_current(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/attr/current\x00', 0x2, 0x0) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, &(0x7f0000000180)={r3, &(0x7f00000000c0)="67eb6d7350be8354e0d8abf815991c81b936b687a3598ac10307ab282342", &(0x7f0000000140)=""/28}, 0x18) 17:44:29 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfsQ\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 548.939875][T27098] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:29 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x9e, 0x400000000000) 17:44:29 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:29 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) clock_gettime(0x0, &(0x7f0000000380)) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000180)={0xffffffffffffffff, 0x0, 0x0}, 0x18) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$ndb(0x0, 0xffffffffffffffff, 0x200) getsockname(0xffffffffffffffff, &(0x7f0000000300)=@xdp, &(0x7f0000000480)=0x80) r1 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x82) ioctl$SCSI_IOCTL_STOP_UNIT(r1, 0x6) fstatfs(r0, &(0x7f00000001c0)=""/242) r2 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) getsockname(r2, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @loopback}}}, &(0x7f0000000080)=0x80) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 548.984170][T27098] gfs2: fsid=_h: Now mounting FS... [ 548.998232][T27049] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 549.013002][T27098] gfs2: not a GFS2 filesystem [ 549.036736][T27098] gfs2: fsid=_h: can't read superblock [ 549.047550][T27049] gfs2: fsid=_h: error -17 adding sysfs files [ 549.055413][T27098] gfs2: fsid=_h: can't read superblock: -22 17:44:29 executing program 2: bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:29 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x9f, 0x400000000000) 17:44:29 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x02', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:29 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa0, 0x400000000000) [ 549.334011][T27129] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 549.341426][T27129] gfs2: fsid=_h: Now mounting FS... [ 549.353424][T27129] gfs2: not a GFS2 filesystem [ 549.358174][T27129] gfs2: fsid=_h: can't read superblock [ 549.358186][T27129] gfs2: fsid=_h: can't read superblock: -22 [ 549.379190][T27118] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 549.397340][T27118] CPU: 0 PID: 27118 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 549.406883][T27118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 549.406891][T27118] Call Trace: [ 549.406919][T27118] dump_stack+0x172/0x1f0 [ 549.406942][T27118] sysfs_warn_dup.cold+0x1c/0x31 [ 549.406961][T27118] sysfs_create_dir_ns+0x242/0x2a0 [ 549.406978][T27118] ? sysfs_create_mount_point+0xa0/0xa0 [ 549.407013][T27118] kobject_add_internal.cold+0xe5/0x5d4 [ 549.407038][T27118] kobject_init_and_add+0x101/0x160 [ 549.407061][T27118] ? kobject_add_internal+0x380/0x380 [ 549.429695][T27118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 549.429714][T27118] ? vsnprintf+0x58b/0x1af0 [ 549.429744][T27118] gfs2_sys_fs_add+0x1aa/0x470 [ 549.429764][T27118] ? recover_store+0x160/0x160 [ 549.446034][T27118] ? snprintf+0xbb/0xf0 [ 549.446050][T27118] ? vscnprintf+0x60/0x80 [ 549.446069][T27118] ? set_blocksize+0x2bf/0x340 [ 549.446090][T27118] ? memcpy+0x46/0x50 [ 549.446116][T27118] fill_super+0x12f5/0x25c0 [ 549.446147][T27118] ? gfs2_online_uevent+0x1f0/0x1f0 [ 549.446164][T27118] ? snprintf+0xbb/0xf0 [ 549.446180][T27118] ? vsprintf+0x40/0x40 [ 549.446201][T27118] ? wait_for_completion+0x440/0x440 [ 549.446222][T27118] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 549.456768][T27118] ? set_blocksize+0x2bf/0x340 [ 549.456788][T27118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 549.456808][T27118] gfs2_mount+0x504/0x5de [ 549.456826][T27118] ? fill_super+0x25c0/0x25c0 [ 549.456863][T27118] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 549.456881][T27118] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 549.456904][T27118] ? fill_super+0x25c0/0x25c0 [ 549.456920][T27118] legacy_get_tree+0xf2/0x200 [ 549.456937][T27118] vfs_get_tree+0x123/0x450 [ 549.456953][T27118] do_mount+0x1436/0x2c40 [ 549.456975][T27118] ? copy_mount_string+0x40/0x40 17:44:29 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa1, 0x400000000000) [ 549.456990][T27118] ? copy_mount_options+0x238/0x3a0 [ 549.457007][T27118] ? copy_mount_options+0x241/0x3a0 [ 549.457030][T27118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 549.472503][T27118] ? copy_mount_options+0x280/0x3a0 [ 549.472523][T27118] ksys_mount+0xdb/0x150 [ 549.472541][T27118] __x64_sys_mount+0xbe/0x150 [ 549.472569][T27118] do_syscall_64+0x103/0x610 [ 549.508579][T27118] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 549.508593][T27118] RIP: 0033:0x45ac7a [ 549.508609][T27118] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 549.508618][T27118] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 549.508633][T27118] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 549.508649][T27118] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 549.528519][T27118] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 549.528529][T27118] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 549.528538][T27118] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 549.580402][T27118] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 549.610063][T27118] gfs2: fsid=_h: error -17 adding sysfs files [ 549.664506][T27132] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 549.689363][T27132] CPU: 0 PID: 27132 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 549.710895][T27132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 549.710901][T27132] Call Trace: [ 549.710926][T27132] dump_stack+0x172/0x1f0 [ 549.710948][T27132] sysfs_warn_dup.cold+0x1c/0x31 [ 549.710964][T27132] sysfs_create_dir_ns+0x242/0x2a0 [ 549.710978][T27132] ? sysfs_create_mount_point+0xa0/0xa0 [ 549.711005][T27132] kobject_add_internal.cold+0xe5/0x5d4 [ 549.711024][T27132] kobject_init_and_add+0x101/0x160 [ 549.711039][T27132] ? kobject_add_internal+0x380/0x380 [ 549.711059][T27132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 549.711075][T27132] ? vsnprintf+0x58b/0x1af0 [ 549.711103][T27132] gfs2_sys_fs_add+0x1aa/0x470 [ 549.711126][T27132] ? recover_store+0x160/0x160 [ 549.732104][T27132] ? snprintf+0xbb/0xf0 [ 549.732122][T27132] ? vscnprintf+0x60/0x80 [ 549.732141][T27132] ? set_blocksize+0x2bf/0x340 [ 549.732163][T27132] ? memcpy+0x46/0x50 [ 549.732188][T27132] fill_super+0x12f5/0x25c0 [ 549.732217][T27132] ? gfs2_online_uevent+0x1f0/0x1f0 [ 549.749856][T27132] ? snprintf+0xbb/0xf0 [ 549.832845][T27132] ? vsprintf+0x40/0x40 [ 549.837023][T27132] ? wait_for_completion+0x440/0x440 [ 549.842326][T27132] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 549.848043][T27132] ? set_blocksize+0x2bf/0x340 [ 549.852823][T27132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 549.859081][T27132] gfs2_mount+0x504/0x5de [ 549.863416][T27132] ? fill_super+0x25c0/0x25c0 [ 549.868130][T27132] ? retint_kernel+0x2d/0x2d [ 549.872720][T27132] ? fill_super+0x25c0/0x25c0 [ 549.877473][T27132] legacy_get_tree+0xf2/0x200 [ 549.882228][T27132] ? legacy_get_tree+0x1/0x200 [ 549.887006][T27132] vfs_get_tree+0x123/0x450 [ 549.891543][T27132] do_mount+0x1436/0x2c40 [ 549.895887][T27132] ? copy_mount_string+0x40/0x40 [ 549.900834][T27132] ? copy_mount_options+0x198/0x3a0 [ 549.906045][T27132] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 549.911600][T27132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 549.917834][T27132] ? copy_mount_options+0x280/0x3a0 [ 549.923023][T27132] ksys_mount+0xdb/0x150 [ 549.927506][T27132] __x64_sys_mount+0xbe/0x150 [ 549.932302][T27132] ? do_syscall_64+0x5b/0x610 [ 549.937080][T27132] do_syscall_64+0x103/0x610 [ 549.942908][T27132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 549.949049][T27132] RIP: 0033:0x45ac7a [ 549.952938][T27132] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 549.972557][T27132] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 549.981007][T27132] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 549.989011][T27132] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 549.996993][T27132] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 550.004994][T27132] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 550.013335][T27132] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 550.023039][T27132] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. 17:44:30 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:30 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uhid\x00', 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) write$apparmor_current(r1, &(0x7f0000000040)=@hat={'changehat ', 0x4, 0x5e, ['/dev/uhid\x00', '\x00']}, 0x28) [ 550.049946][T27132] gfs2: fsid=_h: error -17 adding sysfs files 17:44:30 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa2, 0x400000000000) 17:44:30 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x03', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:30 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:30 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:30 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa3, 0x400000000000) 17:44:30 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) getsockopt$inet6_tcp_buf(r0, 0x6, 0x1f, &(0x7f0000000000)=""/206, &(0x7f0000000140)=0xce) [ 550.408572][T27169] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 550.439254][T27169] gfs2: fsid=_h: Now mounting FS... [ 550.492390][T27169] gfs2: not a GFS2 filesystem [ 550.499845][T27169] gfs2: fsid=_h: can't read superblock [ 550.518815][T27173] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 550.560630][T27173] CPU: 0 PID: 27173 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 550.562271][T27169] gfs2: fsid=_h: can't read superblock: -22 [ 550.568668][T27173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 550.568677][T27173] Call Trace: [ 550.568709][T27173] dump_stack+0x172/0x1f0 [ 550.568732][T27173] sysfs_warn_dup.cold+0x1c/0x31 [ 550.568751][T27173] sysfs_create_dir_ns+0x242/0x2a0 [ 550.568768][T27173] ? sysfs_create_mount_point+0xa0/0xa0 [ 550.568800][T27173] kobject_add_internal.cold+0xe5/0x5d4 [ 550.568823][T27173] kobject_init_and_add+0x101/0x160 [ 550.568841][T27173] ? kobject_add_internal+0x380/0x380 [ 550.568863][T27173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 550.568881][T27173] ? vsnprintf+0x58b/0x1af0 [ 550.568911][T27173] gfs2_sys_fs_add+0x1aa/0x470 [ 550.568927][T27173] ? recover_store+0x160/0x160 [ 550.568950][T27173] ? snprintf+0xbb/0xf0 [ 550.649437][T27173] ? vscnprintf+0x60/0x80 [ 550.653800][T27173] ? memcpy+0x46/0x50 [ 550.657896][T27173] fill_super+0x12f5/0x25c0 [ 550.662430][T27173] ? gfs2_online_uevent+0x1f0/0x1f0 [ 550.667642][T27173] ? snprintf+0xbb/0xf0 [ 550.671828][T27173] ? vsprintf+0x40/0x40 [ 550.676036][T27173] ? wait_for_completion+0x440/0x440 [ 550.681416][T27173] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 550.687150][T27173] ? set_blocksize+0x2bf/0x340 [ 550.691930][T27173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 550.698190][T27173] gfs2_mount+0x504/0x5de [ 550.702791][T27173] ? fill_super+0x25c0/0x25c0 17:44:30 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa4, 0x400000000000) [ 550.707515][T27173] ? fill_super+0x25c0/0x25c0 [ 550.712223][T27173] legacy_get_tree+0xf2/0x200 [ 550.716923][T27173] vfs_get_tree+0x123/0x450 [ 550.721533][T27173] do_mount+0x1436/0x2c40 [ 550.725872][T27173] ? copy_mount_string+0x40/0x40 [ 550.730814][T27173] ? __sanitizer_cov_trace_const_cmp8+0x1/0x20 [ 550.730833][T27173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 550.730847][T27173] ? copy_mount_options+0x280/0x3a0 [ 550.730866][T27173] ksys_mount+0xdb/0x150 [ 550.730885][T27173] __x64_sys_mount+0xbe/0x150 17:44:30 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x4e24, 0x0, @remote, 0x4}, 0x1c) [ 550.730907][T27173] do_syscall_64+0x103/0x610 [ 550.743291][T27173] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.743304][T27173] RIP: 0033:0x45ac7a [ 550.743320][T27173] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 550.743328][T27173] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 550.743344][T27173] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a 17:44:31 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x04', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 550.743353][T27173] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 550.743362][T27173] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 550.743381][T27173] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 550.743390][T27173] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 550.768900][T27173] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 550.802093][T27173] gfs2: fsid=_h: error -17 adding sysfs files 17:44:31 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000080)='TIPCv2\x00') sendmsg$TIPC_NL_UDP_GET_REMOTEIP(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB="14000000101a4ffa00826182154c64af25292e965cc587c5b89c4180bf5c3e17612913c62e352d62127c5efaffdd62858aa9359ccbe03189c003561ebec7c278a4562980b5aa36324bbc7cc72b28a7a581f82cdf76ca905776f42ed9b1c4fe89a1b2815634f5126943f324c7d052905feb3d17365237484c2e5b701c770fad0d9cb51ca938395fa37c833e1f93fef5d693a0e773aa3973b6287d339343cda9c388dd872f9d7603c331f1ab2780384fbd07dffec08724cdccb21601a98569ccfc2ba60b4b28c91c4495e2ed4d1e6b86790663c089c99571940a0aeda127f2a56853324938b8f3dfda30b642c2377f91ae2b2c6d7c0a2e", @ANYRES16=r2, @ANYBLOB="03042abd7000fddbdf25160000005caf33df026cee0c9d91ba81ce04601a37727857ccec726566ce27479b0a3c83b72326a381549dd0ae56c9689ed7a76d3678f72a2912ec0ff23404f244fa67240505887751cd10ced19f52d2eba360883020288029729817259c5e5d22b09ebb84d1510f78e376b3e4456b406cd9"], 0x14}}, 0x10) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f00000000c0)={0x7, [0x81, 0x7, 0x3e98000000000, 0x2, 0x6, 0x6, 0x10000]}, 0x12) ioctl$VIDIOC_G_FMT(r1, 0xc0d05604, &(0x7f0000000340)={0x1, @pix_mp={0x5, 0x6a, 0x7f777f7f, 0x9, 0x4, [{0x4, 0xff}, {0x0, 0x5}, {0x1, 0x6}, {0x7, 0xffffffffffffff24}, {0x8, 0x8000}, {0x0, 0x7}, {0x43, 0x6}, {0x1, 0x2}], 0x101, 0x5, 0x4, 0x1, 0x3}}) [ 551.083364][T27194] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 551.109688][T27211] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 551.127333][T27194] gfs2: fsid=_h: Now mounting FS... [ 551.141787][T27211] CPU: 0 PID: 27211 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 551.150187][T27211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 551.160278][T27211] Call Trace: [ 551.163594][T27211] dump_stack+0x172/0x1f0 [ 551.167941][T27211] sysfs_warn_dup.cold+0x1c/0x31 [ 551.172902][T27211] sysfs_create_dir_ns+0x242/0x2a0 [ 551.178018][T27211] ? sysfs_create_mount_point+0xa0/0xa0 [ 551.183609][T27211] kobject_add_internal.cold+0xe5/0x5d4 [ 551.189279][T27211] kobject_init_and_add+0x101/0x160 [ 551.194489][T27211] ? kobject_add_internal+0x380/0x380 [ 551.199933][T27211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 551.206175][T27211] ? vsnprintf+0x58b/0x1af0 [ 551.210698][T27211] gfs2_sys_fs_add+0x1aa/0x470 [ 551.215488][T27211] ? recover_store+0x160/0x160 [ 551.220259][T27211] ? snprintf+0xbb/0xf0 [ 551.224429][T27211] ? vscnprintf+0x60/0x80 [ 551.228764][T27211] ? set_blocksize+0x2bf/0x340 [ 551.233567][T27211] ? memcpy+0x46/0x50 [ 551.237559][T27211] fill_super+0x12f5/0x25c0 [ 551.242079][T27211] ? gfs2_online_uevent+0x1f0/0x1f0 [ 551.247286][T27211] ? snprintf+0xbb/0xf0 [ 551.251449][T27211] ? vsprintf+0x40/0x40 [ 551.255615][T27211] ? wait_for_completion+0x440/0x440 [ 551.260902][T27211] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 551.266709][T27211] ? set_blocksize+0x2bf/0x340 [ 551.271498][T27211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 551.277745][T27211] gfs2_mount+0x504/0x5de [ 551.282081][T27211] ? fill_super+0x25c0/0x25c0 [ 551.286786][T27211] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 551.293029][T27211] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 551.298765][T27211] ? fill_super+0x25c0/0x25c0 [ 551.303570][T27211] legacy_get_tree+0xf2/0x200 [ 551.308281][T27211] vfs_get_tree+0x123/0x450 [ 551.312789][T27211] do_mount+0x1436/0x2c40 [ 551.317232][T27211] ? copy_mount_string+0x40/0x40 [ 551.322182][T27211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 551.328424][T27211] ? copy_mount_options+0x280/0x3a0 [ 551.333629][T27211] ksys_mount+0xdb/0x150 [ 551.337872][T27211] __x64_sys_mount+0xbe/0x150 [ 551.342555][T27211] do_syscall_64+0x103/0x610 [ 551.347149][T27211] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 551.353053][T27211] RIP: 0033:0x45ac7a [ 551.356971][T27211] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 551.376581][T27211] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 551.385017][T27211] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 551.392991][T27211] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 551.401148][T27211] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 551.410611][T27211] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 551.418600][T27211] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 551.435986][T27194] gfs2: not a GFS2 filesystem [ 551.466442][T27194] gfs2: fsid=_h: can't read superblock [ 551.482500][T27194] gfs2: fsid=_h: can't read superblock: -22 [ 551.521118][T27211] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 551.541980][T27211] gfs2: fsid=_h: error -17 adding sysfs files 17:44:31 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:31 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa5, 0x400000000000) 17:44:31 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:31 executing program 3: connect$inet6(0xffffffffffffffff, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:31 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:31 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x05', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:31 executing program 3: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x20200, 0x0) bind$bt_rfcomm(r0, &(0x7f0000000040)={0x1f, {0x0, 0x2, 0x5, 0x0, 0x1, 0x8}, 0x6}, 0xa) r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:31 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa6, 0x400000000000) 17:44:32 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) prctl$PR_SVE_SET_VL(0x32, 0x293d6) fsetxattr$security_selinux(r0, &(0x7f00000000c0)='security.selinux\x00', &(0x7f0000000140)='system_u:object_r:logrotate_exec_t:s0\x00', 0x26, 0x1) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000000)='/proc/capi/capi20ncci\x00', 0x2, 0x0) getsockopt$TIPC_NODE_RECVQ_DEPTH(r1, 0x10f, 0x83, &(0x7f0000000040), &(0x7f0000000080)=0x4) syz_open_dev$sndseq(&(0x7f0000000180)='/dev/snd/seq\x00', 0x0, 0x80) 17:44:32 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa7, 0x400000000000) [ 551.955685][T27234] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 551.983614][T27251] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 551.996059][T27251] CPU: 0 PID: 27251 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 552.004063][T27251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 552.008159][T27234] gfs2: fsid=_h: Now mounting FS... [ 552.014133][T27251] Call Trace: [ 552.014165][T27251] dump_stack+0x172/0x1f0 [ 552.014189][T27251] sysfs_warn_dup.cold+0x1c/0x31 [ 552.014208][T27251] sysfs_create_dir_ns+0x242/0x2a0 [ 552.014225][T27251] ? sysfs_create_mount_point+0xa0/0xa0 [ 552.014258][T27251] kobject_add_internal.cold+0xe5/0x5d4 [ 552.014283][T27251] kobject_init_and_add+0x101/0x160 [ 552.014300][T27251] ? kobject_add_internal+0x380/0x380 [ 552.014324][T27251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 552.014343][T27251] ? vsnprintf+0x58b/0x1af0 [ 552.014385][T27251] gfs2_sys_fs_add+0x1aa/0x470 [ 552.014406][T27251] ? recover_store+0x160/0x160 [ 552.014430][T27251] ? snprintf+0xbb/0xf0 [ 552.014448][T27251] ? vscnprintf+0x60/0x80 [ 552.014468][T27251] ? set_blocksize+0x2bf/0x340 [ 552.014499][T27251] ? memcpy+0x46/0x50 [ 552.014526][T27251] fill_super+0x12f5/0x25c0 [ 552.014560][T27251] ? gfs2_online_uevent+0x1f0/0x1f0 [ 552.014578][T27251] ? snprintf+0xbb/0xf0 [ 552.014595][T27251] ? vsprintf+0x40/0x40 [ 552.014619][T27251] ? wait_for_completion+0x440/0x440 [ 552.014634][T27251] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 552.014650][T27251] ? set_blocksize+0x2bf/0x340 [ 552.014670][T27251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 552.014692][T27251] gfs2_mount+0x504/0x5de [ 552.014713][T27251] ? fill_super+0x25c0/0x25c0 [ 552.014755][T27251] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 17:44:32 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa8, 0x400000000000) [ 552.014775][T27251] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 552.014800][T27251] ? fill_super+0x25c0/0x25c0 [ 552.014820][T27251] legacy_get_tree+0xf2/0x200 [ 552.014847][T27251] vfs_get_tree+0x123/0x450 [ 552.023512][T27251] do_mount+0x1436/0x2c40 [ 552.023535][T27251] ? copy_mount_string+0x40/0x40 [ 552.023551][T27251] ? copy_mount_options+0x1ea/0x3a0 [ 552.023566][T27251] ? __sanitizer_cov_trace_pc+0x18/0x50 [ 552.023582][T27251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 552.023602][T27251] ? copy_mount_options+0x280/0x3a0 [ 552.054417][T27251] ksys_mount+0xdb/0x150 [ 552.054441][T27251] __x64_sys_mount+0xbe/0x150 [ 552.157858][T27234] gfs2: not a GFS2 filesystem [ 552.159824][T27251] do_syscall_64+0x103/0x610 [ 552.159848][T27251] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 552.159860][T27251] RIP: 0033:0x45ac7a [ 552.159876][T27251] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 552.159884][T27251] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 552.159900][T27251] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 552.159910][T27251] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 552.159920][T27251] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 552.159929][T27251] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 552.159939][T27251] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 552.164231][T27251] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 552.170245][T27234] gfs2: fsid=_h: can't read superblock [ 552.175075][T27251] gfs2: fsid=_h: error -17 adding sysfs files [ 552.193022][T27234] gfs2: fsid=_h: can't read superblock: -22 17:44:32 executing program 3: connect$inet6(0xffffffffffffffff, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) getsockopt$IP_VS_SO_GET_DESTS(0xffffffffffffffff, 0x0, 0x484, &(0x7f0000000000)=""/134, &(0x7f00000000c0)=0x86) [ 552.198859][ T23] audit: type=1400 audit(1553276672.360:116): avc: denied { relabelto } for pid=27260 comm="syz-executor.3" name="UDPv6" dev="sockfs" ino=91632 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:logrotate_exec_t:s0 tclass=udp_socket permissive=1 [ 552.386777][T27250] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 552.405960][T27250] CPU: 0 PID: 27250 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 552.413999][T27250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 552.414007][T27250] Call Trace: [ 552.414035][T27250] dump_stack+0x172/0x1f0 [ 552.414061][T27250] sysfs_warn_dup.cold+0x1c/0x31 [ 552.414079][T27250] sysfs_create_dir_ns+0x242/0x2a0 [ 552.414096][T27250] ? sysfs_create_mount_point+0xa0/0xa0 [ 552.414128][T27250] kobject_add_internal.cold+0xe5/0x5d4 [ 552.414152][T27250] kobject_init_and_add+0x101/0x160 [ 552.414169][T27250] ? kobject_add_internal+0x380/0x380 [ 552.414196][T27250] ? mark_held_locks+0xa4/0xf0 [ 552.468471][T27250] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 552.473979][T27250] gfs2_sys_fs_add+0x1aa/0x470 [ 552.478749][T27250] ? recover_store+0x160/0x160 [ 552.478784][T27250] ? retint_kernel+0x2d/0x2d [ 552.488670][T27250] fill_super+0x12f5/0x25c0 [ 552.493213][T27250] ? gfs2_online_uevent+0x1f0/0x1f0 [ 552.498429][T27250] ? snprintf+0xbb/0xf0 [ 552.502599][T27250] ? vsprintf+0x40/0x40 [ 552.506770][T27250] ? wait_for_completion+0x440/0x440 [ 552.512071][T27250] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 552.518069][T27250] ? set_blocksize+0x2bf/0x340 [ 552.522854][T27250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 552.529110][T27250] gfs2_mount+0x504/0x5de [ 552.533444][T27250] ? fill_super+0x25c0/0x25c0 [ 552.538942][T27250] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 552.545195][T27250] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 552.550869][T27250] ? fill_super+0x25c0/0x25c0 [ 552.555601][T27250] legacy_get_tree+0xf2/0x200 [ 552.560472][T27250] vfs_get_tree+0x123/0x450 [ 552.564994][T27250] do_mount+0x1436/0x2c40 [ 552.569345][T27250] ? copy_mount_string+0x40/0x40 [ 552.574311][T27250] ? audit_add_tree_rule.cold+0x37/0x37 [ 552.579897][T27250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 552.586148][T27250] ? copy_mount_options+0x280/0x3a0 [ 552.591380][T27250] ksys_mount+0xdb/0x150 [ 552.595644][T27250] __x64_sys_mount+0xbe/0x150 [ 552.600340][T27250] ? __x64_sys_mount+0x1/0x150 [ 552.605137][T27250] do_syscall_64+0x103/0x610 [ 552.609777][T27250] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 552.615676][T27250] RIP: 0033:0x45ac7a [ 552.619580][T27250] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 552.639197][T27250] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 552.647621][T27250] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 552.656642][T27250] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 552.665272][T27250] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 552.673277][T27250] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 552.681272][T27250] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 552.728011][T27250] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 552.744283][T27280] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 552.751619][T27250] gfs2: fsid=_h: error -17 adding sysfs files [ 552.758279][T27280] CPU: 0 PID: 27280 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 552.766282][T27280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 552.766290][T27280] Call Trace: [ 552.766319][T27280] dump_stack+0x172/0x1f0 [ 552.766344][T27280] sysfs_warn_dup.cold+0x1c/0x31 [ 552.766377][T27280] sysfs_create_dir_ns+0x242/0x2a0 [ 552.794474][T27280] ? sysfs_create_mount_point+0xa0/0xa0 [ 552.800050][T27280] kobject_add_internal.cold+0xe5/0x5d4 [ 552.800080][T27280] kobject_init_and_add+0x101/0x160 [ 552.810820][T27280] ? kobject_add_internal+0x380/0x380 [ 552.816215][T27280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 552.822463][T27280] ? vsnprintf+0x58b/0x1af0 [ 552.826984][T27280] gfs2_sys_fs_add+0x1aa/0x470 [ 552.831755][T27280] ? recover_store+0x160/0x160 [ 552.836538][T27280] ? snprintf+0xbb/0xf0 [ 552.840701][T27280] ? vscnprintf+0x60/0x80 [ 552.845039][T27280] ? set_blocksize+0x2bf/0x340 [ 552.849815][T27280] ? memcpy+0x46/0x50 [ 552.853814][T27280] fill_super+0x12f5/0x25c0 [ 552.858390][T27280] ? gfs2_online_uevent+0x1f0/0x1f0 [ 552.863607][T27280] ? snprintf+0xbb/0xf0 [ 552.867862][T27280] ? vsprintf+0x40/0x40 [ 552.872043][T27280] ? wait_for_completion+0x440/0x440 [ 552.877334][T27280] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 552.883060][T27280] ? set_blocksize+0x2bf/0x340 [ 552.887841][T27280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 552.894117][T27280] gfs2_mount+0x504/0x5de [ 552.898476][T27280] ? fill_super+0x25c0/0x25c0 [ 552.903189][T27280] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 552.909440][T27280] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 552.915100][T27280] ? fill_super+0x25c0/0x25c0 [ 552.919782][T27280] legacy_get_tree+0xf2/0x200 [ 552.924466][T27280] vfs_get_tree+0x123/0x450 [ 552.928974][T27280] do_mount+0x1436/0x2c40 [ 552.933314][T27280] ? copy_mount_string+0x40/0x40 [ 552.938259][T27280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 552.944503][T27280] ? copy_mount_options+0x280/0x3a0 [ 552.949704][T27280] ksys_mount+0xdb/0x150 [ 552.953961][T27280] __x64_sys_mount+0xbe/0x150 [ 552.958654][T27280] do_syscall_64+0x103/0x610 [ 552.963262][T27280] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 552.969202][T27280] RIP: 0033:0x45ac7a [ 552.973192][T27280] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 552.992803][T27280] RSP: 002b:00007fb6b69dfa88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 553.001226][T27280] RAX: ffffffffffffffda RBX: 00007fb6b69dfb40 RCX: 000000000045ac7a [ 553.009382][T27280] RDX: 00007fb6b69dfae0 RSI: 0000000020000380 RDI: 00007fb6b69dfb00 [ 553.017359][T27280] RBP: 0000000000000006 R08: 00007fb6b69dfb40 R09: 00007fb6b69dfae0 [ 553.025340][T27280] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005 [ 553.033409][T27280] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 553.070025][T27280] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 553.083002][T27280] gfs2: fsid=_h: error -17 adding sysfs files 17:44:33 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:33 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x4e1e, 0x0, @remote, 0x4}, 0x1c) 17:44:33 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xa9, 0x400000000000) 17:44:33 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x06', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:33 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:33 executing program 2 (fault-call:3 fault-nth:0): ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:33 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm_plock\x00', 0x101000, 0x0) ioctl$KVM_SET_ONE_REG(r1, 0x4010aeac, &(0x7f0000000040)={0x0, 0x9c}) 17:44:33 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xaa, 0x400000000000) 17:44:33 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xab, 0x400000000000) 17:44:33 executing program 3: r0 = socket$inet6(0xa, 0x804, 0xe) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000000)={r0}) ioctl$sock_inet_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000140)='/dev/btrfs-control\x00', 0x101000, 0x0) ioctl$TIOCLINUX4(r2, 0x541c, &(0x7f0000000180)) ioctl$sock_inet_SIOCGIFPFLAGS(r1, 0x8935, &(0x7f0000000080)={'ip6gretap0\x00', 0x9}) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000000c0)=0x2, 0x4) 17:44:33 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xac, 0x400000000000) [ 553.514857][T27324] FAULT_INJECTION: forcing a failure. [ 553.514857][T27324] name failslab, interval 1, probability 0, space 0, times 0 17:44:33 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\a', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 553.578697][T27324] CPU: 0 PID: 27324 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 553.586737][T27324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 553.596994][T27324] Call Trace: [ 553.600305][T27324] dump_stack+0x172/0x1f0 [ 553.604665][T27324] should_fail.cold+0xa/0x15 [ 553.609367][T27324] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 553.615210][T27324] ? ___might_sleep+0x163/0x280 [ 553.620073][T27324] __should_failslab+0x121/0x190 [ 553.625024][T27324] should_failslab+0x9/0x14 [ 553.625042][T27324] __kmalloc+0x2dc/0x740 [ 553.625058][T27324] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 553.625072][T27324] ? fput_many+0x12c/0x1a0 [ 553.625087][T27324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 553.625102][T27324] ? strnlen_user+0x1f0/0x280 [ 553.625116][T27324] ? __x64_sys_memfd_create+0x13c/0x470 [ 553.625133][T27324] __x64_sys_memfd_create+0x13c/0x470 [ 553.625149][T27324] ? memfd_fcntl+0x1550/0x1550 [ 553.625165][T27324] ? do_syscall_64+0x26/0x610 [ 553.625182][T27324] ? lockdep_hardirqs_on+0x418/0x5d0 [ 553.625199][T27324] ? trace_hardirqs_on+0x67/0x230 [ 553.625219][T27324] do_syscall_64+0x103/0x610 [ 553.625242][T27324] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.640196][T27324] RIP: 0033:0x458209 [ 553.640213][T27324] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 553.640221][T27324] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 553.640237][T27324] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 553.640246][T27324] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 553.640254][T27324] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 553.640263][T27324] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa91a47d6d4 [ 553.640272][T27324] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 553.802127][T27313] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 553.814906][T27318] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 553.855440][T27318] CPU: 0 PID: 27318 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 553.863508][T27318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 553.873575][T27318] Call Trace: [ 553.873606][T27318] dump_stack+0x172/0x1f0 [ 553.873631][T27318] sysfs_warn_dup.cold+0x1c/0x31 [ 553.873650][T27318] sysfs_create_dir_ns+0x242/0x2a0 [ 553.873668][T27318] ? sysfs_create_mount_point+0xa0/0xa0 [ 553.873701][T27318] kobject_add_internal.cold+0xe5/0x5d4 [ 553.873725][T27318] kobject_init_and_add+0x101/0x160 [ 553.873749][T27318] ? kobject_add_internal+0x380/0x380 [ 553.883192][T27313] gfs2: fsid=_h: Now mounting FS... [ 553.886296][T27318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 553.886315][T27318] ? vsnprintf+0x58b/0x1af0 [ 553.886343][T27318] gfs2_sys_fs_add+0x1aa/0x470 [ 553.886361][T27318] ? recover_store+0x160/0x160 [ 553.886391][T27318] ? snprintf+0xbb/0xf0 [ 553.886408][T27318] ? vscnprintf+0x60/0x80 [ 553.886429][T27318] ? set_blocksize+0x2bf/0x340 [ 553.886451][T27318] ? memcpy+0x46/0x50 [ 553.886479][T27318] fill_super+0x12f5/0x25c0 [ 553.908574][T27318] ? gfs2_online_uevent+0x1f0/0x1f0 [ 553.908594][T27318] ? snprintf+0xbb/0xf0 [ 553.908610][T27318] ? vsprintf+0x40/0x40 [ 553.908632][T27318] ? wait_for_completion+0x440/0x440 [ 553.908653][T27318] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 553.963804][T27313] gfs2: not a GFS2 filesystem [ 553.968836][T27318] ? set_blocksize+0x2bf/0x340 [ 553.968858][T27318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 553.968880][T27318] gfs2_mount+0x504/0x5de [ 553.968901][T27318] ? fill_super+0x25c0/0x25c0 [ 553.968941][T27318] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 553.968960][T27318] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 553.968985][T27318] ? fill_super+0x25c0/0x25c0 [ 553.969004][T27318] legacy_get_tree+0xf2/0x200 [ 553.969024][T27318] vfs_get_tree+0x123/0x450 [ 553.969042][T27318] do_mount+0x1436/0x2c40 [ 553.969066][T27318] ? copy_mount_string+0x40/0x40 [ 553.969086][T27318] ? _copy_from_user+0xdd/0x150 [ 553.969107][T27318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 553.969121][T27318] ? copy_mount_options+0x280/0x3a0 [ 553.969139][T27318] ksys_mount+0xdb/0x150 [ 553.985503][T27313] gfs2: fsid=_h: can't read superblock [ 553.988695][T27318] __x64_sys_mount+0xbe/0x150 [ 553.988719][T27318] do_syscall_64+0x103/0x610 [ 553.988741][T27318] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.988754][T27318] RIP: 0033:0x45ac7a [ 553.988770][T27318] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 553.988779][T27318] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 553.999896][T27313] gfs2: fsid=_h: can't read superblock: -22 [ 554.004452][T27318] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 554.004463][T27318] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 554.004472][T27318] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 554.004480][T27318] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 554.004497][T27318] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 554.009240][T27318] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 554.188625][T27318] gfs2: fsid=_h: error -17 adding sysfs files 17:44:34 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:34 executing program 2 (fault-call:3 fault-nth:1): ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:34 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) pipe(&(0x7f0000000080)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000000c0)={0xffff, 0x27, 0x4, 0xdaf, 0x7, 0x9, 0x8, 0x6, 0x0}, &(0x7f0000000100)=0x20) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000180)={r2, 0x3c, &(0x7f0000000140)=[@in6={0xa, 0x4e21, 0x80000000, @dev={0xfe, 0x80, [], 0x25}, 0x10000}, @in={0x2, 0x4e21, @initdev={0xac, 0x1e, 0x0, 0x0}}, @in={0x2, 0x4e22, @empty}]}, &(0x7f00000001c0)=0x10) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000040)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000200)={r3, 0x87, "d98cf99d2badc9c6bbf455a8b22f9e35a3e8b54b4afb26ea20d194572a47e8a449fdf99f186b00e6f1b507e8a35970ec54261beb8c0800fcea40c220f5f792409c82c13b207e3da8784df6cbafeee206c0dd8607208f7a2366e064720e8d283802d1f54eaf8d5bca0a7a9b2d81174ed86fe58b8ee3a1ae33c401b384af6558584f73f7da819bc1"}, &(0x7f00000002c0)=0x8f) 17:44:34 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xad, 0x400000000000) 17:44:34 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:34 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\b', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 554.488264][T27368] FAULT_INJECTION: forcing a failure. [ 554.488264][T27368] name failslab, interval 1, probability 0, space 0, times 0 [ 554.502324][T27368] CPU: 1 PID: 27368 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 554.510344][T27368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.520419][T27368] Call Trace: [ 554.523724][T27368] dump_stack+0x172/0x1f0 [ 554.528069][T27368] should_fail.cold+0xa/0x15 17:44:34 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xae, 0x400000000000) 17:44:34 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setgid(r1) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 554.532677][T27368] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 554.540043][T27368] ? ___might_sleep+0x163/0x280 [ 554.544916][T27368] __should_failslab+0x121/0x190 [ 554.549881][T27368] ? shmem_destroy_callback+0xc0/0xc0 [ 554.555249][T27368] should_failslab+0x9/0x14 [ 554.559739][T27368] kmem_cache_alloc+0x2b2/0x6f0 [ 554.564619][T27368] ? __alloc_fd+0x430/0x530 [ 554.569109][T27368] ? shmem_destroy_callback+0xc0/0xc0 [ 554.574474][T27368] shmem_alloc_inode+0x1c/0x50 [ 554.579237][T27368] alloc_inode+0x66/0x190 [ 554.583558][T27368] new_inode_pseudo+0x19/0xf0 [ 554.588244][T27368] new_inode+0x1f/0x40 [ 554.592299][T27368] shmem_get_inode+0x84/0x780 [ 554.596972][T27368] __shmem_file_setup.part.0+0x7e/0x2b0 [ 554.602516][T27368] shmem_file_setup+0x66/0x90 [ 554.607197][T27368] __x64_sys_memfd_create+0x2a2/0x470 [ 554.612549][T27368] ? memfd_fcntl+0x1550/0x1550 [ 554.617292][T27368] ? do_syscall_64+0x26/0x610 [ 554.621950][T27368] ? lockdep_hardirqs_on+0x418/0x5d0 [ 554.627217][T27368] ? trace_hardirqs_on+0x67/0x230 [ 554.632228][T27368] do_syscall_64+0x103/0x610 [ 554.636821][T27368] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.642708][T27368] RIP: 0033:0x458209 [ 554.646599][T27368] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 554.666217][T27368] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 554.674616][T27368] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 17:44:34 executing program 2 (fault-call:3 fault-nth:2): ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 554.682660][T27368] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 554.690644][T27368] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 554.698714][T27368] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa91a47d6d4 [ 554.706680][T27368] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 554.828193][T27388] FAULT_INJECTION: forcing a failure. [ 554.828193][T27388] name failslab, interval 1, probability 0, space 0, times 0 [ 554.860177][T27388] CPU: 1 PID: 27388 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 554.868207][T27388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.878360][T27388] Call Trace: [ 554.881681][T27388] dump_stack+0x172/0x1f0 [ 554.886035][T27388] should_fail.cold+0xa/0x15 [ 554.890642][T27388] ? find_held_lock+0x35/0x130 [ 554.895425][T27388] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 554.901240][T27388] ? ___might_sleep+0x163/0x280 [ 554.906106][T27388] __should_failslab+0x121/0x190 [ 554.911058][T27388] should_failslab+0x9/0x14 [ 554.915571][T27388] kmem_cache_alloc+0x2b2/0x6f0 [ 554.915589][T27388] ? __put_user_ns+0x70/0x70 17:44:35 executing program 3: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='setgroups\x00') ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x100000001, 0x0, 0x2, 0x5, 0x4, "2852f3d959832f9962ae239c0ce53b1b3ad285e033fa73f68b9e0c293dccf95bc3273a20c57271e22d950105ad0b0e694d5e57ae7278f4ca4169b1fc08e10353", "0a4a33cb6bc502ef96d8da6eb38828a404edee2a880ceb85aef55dc5484a79735617b676ad5caf35c6609e11e997cb7d65b752a06a8b79aea0afc050679a5c9c", "a9cd00d6a54072f8b2966fc8240b59105032ecb99be2cf60724d5c7e20e2bcb4", [0x1, 0x32]}) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'vcan0\x00', 0x4001}) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r0, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r2, 0x0, 0x70bd26, 0x25dfdbfc, {{}, 0x0, 0x5, 0x0, {0x14, 0x19, {0x50b8, 0x3, 0x8, 0xca6f}}}, ["", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x20000040}, 0x200000c0) fallocate(r1, 0x14, 0x101, 0x6) syz_open_dev$adsp(&(0x7f0000000300)='/dev/adsp#\x00', 0x7, 0x418000) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 554.915605][T27388] ? shmem_alloc_inode+0x1c/0x50 [ 554.915624][T27388] ? rcu_read_lock_sched_held+0x110/0x130 [ 554.915645][T27388] security_inode_alloc+0x39/0x160 [ 554.915673][T27388] inode_init_always+0x56e/0xb50 [ 554.925114][T27388] alloc_inode+0x83/0x190 [ 554.925131][T27388] new_inode_pseudo+0x19/0xf0 [ 554.925148][T27388] new_inode+0x1f/0x40 [ 554.925165][T27388] shmem_get_inode+0x84/0x780 [ 554.925187][T27388] __shmem_file_setup.part.0+0x7e/0x2b0 [ 554.925207][T27388] shmem_file_setup+0x66/0x90 [ 554.925225][T27388] __x64_sys_memfd_create+0x2a2/0x470 [ 554.925240][T27388] ? memfd_fcntl+0x1550/0x1550 [ 554.925256][T27388] ? do_syscall_64+0x26/0x610 [ 554.925280][T27388] ? lockdep_hardirqs_on+0x418/0x5d0 [ 554.935969][T27388] ? trace_hardirqs_on+0x67/0x230 [ 554.936001][T27388] do_syscall_64+0x103/0x610 [ 554.936024][T27388] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.936045][T27388] RIP: 0033:0x458209 [ 554.946073][T27388] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 554.946081][T27388] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 554.946096][T27388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 554.946105][T27388] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 554.946114][T27388] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 554.946124][T27388] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa91a47d6d4 17:44:35 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xaf, 0x400000000000) 17:44:35 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = dup3(r0, r0, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000001}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)={0x8c, r2, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_SERVICE={0x3c, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x59}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x7f}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x17}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e22}, @IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x90ef}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x2}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x4f3}]}, 0x8c}}, 0x20040004) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 554.946133][T27388] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 555.115171][T27382] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 555.122600][T27382] gfs2: fsid=_h: Now mounting FS... [ 555.143018][T27382] gfs2: not a GFS2 filesystem [ 555.171117][T27382] gfs2: fsid=_h: can't read superblock [ 555.205536][T27386] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 555.223197][T27386] CPU: 0 PID: 27386 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 555.231212][T27386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 555.241356][T27386] Call Trace: [ 555.244711][T27386] dump_stack+0x172/0x1f0 [ 555.245196][T27382] gfs2: fsid=_h: can't read superblock: -22 [ 555.249072][T27386] sysfs_warn_dup.cold+0x1c/0x31 [ 555.249093][T27386] sysfs_create_dir_ns+0x242/0x2a0 [ 555.249111][T27386] ? sysfs_create_mount_point+0xa0/0xa0 [ 555.249146][T27386] kobject_add_internal.cold+0xe5/0x5d4 [ 555.249172][T27386] kobject_init_and_add+0x101/0x160 [ 555.249193][T27386] ? kobject_add_internal+0x380/0x380 [ 555.286723][T27386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 555.292975][T27386] ? vsnprintf+0x58b/0x1af0 [ 555.297510][T27386] gfs2_sys_fs_add+0x1aa/0x470 [ 555.302284][T27386] ? recover_store+0x160/0x160 [ 555.307060][T27386] ? snprintf+0xbb/0xf0 [ 555.311222][T27386] ? vscnprintf+0x60/0x80 [ 555.315564][T27386] ? set_blocksize+0x2bf/0x340 [ 555.320350][T27386] ? memcpy+0x46/0x50 [ 555.324357][T27386] fill_super+0x12f5/0x25c0 [ 555.328901][T27386] ? gfs2_online_uevent+0x1f0/0x1f0 [ 555.334114][T27386] ? snprintf+0xbb/0xf0 [ 555.338278][T27386] ? vsprintf+0x40/0x40 [ 555.342444][T27386] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 555.348346][T27386] ? set_blocksize+0x2bf/0x340 [ 555.353152][T27386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 555.359413][T27386] gfs2_mount+0x504/0x5de [ 555.363766][T27386] ? fill_super+0x25c0/0x25c0 [ 555.368489][T27386] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 555.374934][T27386] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 555.374961][T27386] ? fill_super+0x25c0/0x25c0 [ 555.374980][T27386] legacy_get_tree+0xf2/0x200 [ 555.375000][T27386] vfs_get_tree+0x123/0x450 [ 555.375016][T27386] do_mount+0x1436/0x2c40 [ 555.375036][T27386] ? copy_mount_string+0x40/0x40 [ 555.375051][T27386] ? copy_mount_options+0x280/0x3a0 [ 555.375067][T27386] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 555.375083][T27386] ? copy_mount_options+0x280/0x3a0 [ 555.375101][T27386] ksys_mount+0xdb/0x150 [ 555.375118][T27386] __x64_sys_mount+0xbe/0x150 [ 555.375139][T27386] do_syscall_64+0x103/0x610 [ 555.375162][T27386] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 555.399324][T27386] RIP: 0033:0x45ac7a [ 555.399340][T27386] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 555.399349][T27386] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 555.399365][T27386] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 555.399384][T27386] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 555.399394][T27386] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 555.399402][T27386] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 555.399411][T27386] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 555.420643][T27386] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 555.483063][T27386] gfs2: fsid=_h: error -17 adding sysfs files 17:44:35 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:35 executing program 2 (fault-call:3 fault-nth:3): ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:35 executing program 3: ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000e00)=0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000e40)='/proc/self/net/pfkey\x00', 0x40000, 0x0) perf_event_open(&(0x7f0000000d80)={0x3, 0x70, 0x8, 0xff, 0x3, 0x800, 0x0, 0x0, 0x200, 0x1, 0x4, 0x7fff, 0x3, 0x9, 0x4, 0x57c4, 0x8000, 0xff, 0x8719, 0x1, 0x0, 0xfffffffffffffffc, 0x3e0, 0x5c83, 0x7, 0x1, 0x5, 0x5, 0xb920, 0xf7f6, 0x5, 0x6, 0x1, 0x0, 0x8, 0x8e, 0x401, 0x7, 0x0, 0x9, 0x0, @perf_config_ext={0x20, 0x4}, 0x8000, 0x9, 0x7ff, 0x7, 0x7fffffff, 0x101, 0x8001}, r0, 0x7, r1, 0x1) r2 = socket$inet6(0xa, 0x2, 0x0) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000200)='/dev/sequencer2\x00', 0x8000, 0x0) bind(r2, &(0x7f0000000280)=@ax25={{0x3, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x8}, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default, @null]}, 0x80) setsockopt$IP_VS_SO_SET_STARTDAEMON(r3, 0x0, 0x48b, &(0x7f0000000240)={0x1, 'nr0\x00', 0x3}, 0x18) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r4 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-monitor\x00', 0x0, 0x0) ioctl$PPPIOCSMRRU(r4, 0x4004743b, &(0x7f00000001c0)=0x697) ioctl$SG_GET_KEEP_ORPHAN(r3, 0x2288, &(0x7f0000000880)) getsockopt$inet6_IPV6_XFRM_POLICY(r4, 0x29, 0x23, &(0x7f0000000300)={{{@in, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@remote}}, &(0x7f0000000400)=0xe8) lstat(&(0x7f0000000440)='./file0\x00', &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f0000000500)={{{@in=@remote, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@ipv4={[], [], @local}}}, &(0x7f0000000600)=0xe8) ioctl$SNDRV_CTL_IOCTL_PVERSION(r4, 0x80045500, &(0x7f0000000800)) getgroups(0x4, &(0x7f0000000640)=[0xee00, 0x0, 0x0, 0x0]) connect$l2tp(r4, &(0x7f0000000140)=@pppol2tpv3in6={0x18, 0x1, {0x0, r4, 0x4, 0x3, 0x2, 0x2, {0xa, 0x4e22, 0x0, @ipv4={[], [], @multicast1}, 0xc05}}}, 0x3a) write$FUSE_DIRENTPLUS(r4, &(0x7f0000000680)={0x160, 0x0, 0x3, [{{0x5, 0x3, 0x9, 0x400, 0x3, 0x5f07, {0x0, 0x5, 0x8, 0x5, 0x2917, 0x0, 0x3, 0x4, 0x3ff, 0xffffffff, 0x6, r5, r7, 0x7fffffff, 0x100000001}}, {0x5, 0x0, 0x4, 0x1e0, 'nr0\x00'}}, {{0x4, 0x400000001, 0x81, 0x81, 0x8, 0x8, {0x6, 0x2, 0x6, 0x3, 0xfffffffffffffff8, 0x401, 0x20, 0x9, 0x9, 0x3f, 0x40, r8, r9, 0x80000000, 0x11}}, {0x0, 0x1, 0x11, 0x2, '/dev/dlm-monitor\x00'}}]}, 0x160) ioctl$KVM_X86_SET_MCE(r3, 0x4040ae9e, &(0x7f0000000840)={0xe80000000000000, 0x6000, 0x6097, 0x4}) write$FUSE_DIRENTPLUS(r3, &(0x7f00000008c0)={0x4a8, 0xffffffffffffffda, 0x3, [{{0x1, 0x0, 0x800, 0x80000000, 0xffff, 0x3, {0x4, 0xc81, 0x8, 0x4, 0x9, 0x1, 0x5, 0x80a, 0x79, 0x90e8, 0x1, r6, r11, 0x7f, 0xc6}}, {0x5, 0x2, 0x11, 0xc622, '/dev/dlm-monitor\x00'}}, {{0x4, 0x2, 0x0, 0x5, 0x80000001, 0x3f4, {0x2, 0x3, 0x5, 0x4, 0x5, 0x8f1b, 0x1, 0x800, 0x9, 0xfffffffffffff658, 0x8, r5, r10, 0x6}}, {0x4, 0x7, 0x1, 0xa3, '\''}}, {{0x3, 0x0, 0x6, 0x7, 0x81, 0xfff, {0x3, 0x4, 0x2, 0x35, 0x1, 0x0, 0x1, 0x9, 0xf263, 0x100000001, 0x8, r8, r7, 0x3, 0x2}}, {0x5, 0x8000, 0x4, 0x200, 'eth1'}}, {{0x4, 0x1, 0x3ff, 0xff, 0x1f, 0x95, {0x3, 0x7, 0x6, 0x3e0, 0x0, 0x2, 0x7ff, 0x56e6, 0x80, 0x3, 0xa95572c, r8, r11, 0xffff, 0x7}}, {0x2, 0x2, 0x8, 0xfff, 'md5sum)('}}, {{0x6, 0x0, 0x8, 0x2, 0x5, 0x3, {0x2, 0xc55, 0x200, 0x9, 0xf42, 0x4, 0xc907, 0x5, 0x7, 0x40, 0x400, r5, r9, 0x7, 0xbf}}, {0x4, 0x4, 0x1a, 0x60, 'system*&\\posix_acl_access\xb8'}}, {{0x5, 0x0, 0x24c10000000, 0x7fffffff, 0x1, 0x3, {0x4, 0x1, 0x10001, 0x7, 0x81, 0x9, 0xffffffff, 0xa2, 0x7, 0xffffffff00000000, 0x3, r6, r10, 0xc9, 0x100}}, {0x6, 0x8, 0x7, 0x101, 'Osystem'}}, {{0x3, 0x0, 0x7, 0x2, 0x7ff, 0x7, {0x6, 0x4, 0x7, 0x9, 0xffff, 0x10000, 0x3, 0x9, 0x6, 0x8c2e, 0x6, r6, r10, 0x2efb, 0xed}}, {0x0, 0x8, 0x11, 0x81, '/dev/dlm-monitor\x00'}}]}, 0x4a8) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000000000)="83d3f94774977c1e2e34f979a3dc7d6cc535bb1da5988d770045874e7595e6aab048db27996897ecc26f8b34ec16db077b976ade95c68b0633751d1bc4d6cc91aa51e944", 0x44, r2}, 0x68) 17:44:35 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb0, 0x400000000000) 17:44:35 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:35 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\t', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 555.693829][T27426] FAULT_INJECTION: forcing a failure. [ 555.693829][T27426] name failslab, interval 1, probability 0, space 0, times 0 [ 555.724135][T27426] CPU: 0 PID: 27426 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 555.732249][T27426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 555.742316][T27426] Call Trace: [ 555.745626][T27426] dump_stack+0x172/0x1f0 [ 555.750005][T27426] should_fail.cold+0xa/0x15 [ 555.754612][T27426] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 555.760431][T27426] ? ___might_sleep+0x163/0x280 [ 555.765298][T27426] __should_failslab+0x121/0x190 [ 555.770330][T27426] should_failslab+0x9/0x14 [ 555.774857][T27426] kmem_cache_alloc+0x2b2/0x6f0 [ 555.774870][T27426] ? current_time+0x6b/0x140 [ 555.774885][T27426] ? ktime_get_coarse_real_ts64+0xf0/0x2b0 17:44:36 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$EXT4_IOC_ALLOC_DA_BLKS(r0, 0x660c) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 555.774901][T27426] ? lockdep_hardirqs_on+0x418/0x5d0 [ 555.774916][T27426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 555.774929][T27426] ? timespec64_trunc+0xf0/0x180 [ 555.774944][T27426] __d_alloc+0x2e/0x8c0 [ 555.774962][T27426] d_alloc_pseudo+0x1e/0x30 [ 555.774976][T27426] alloc_file_pseudo+0xe2/0x280 [ 555.774990][T27426] ? alloc_file+0x4d0/0x4d0 [ 555.775007][T27426] ? lockdep_annotate_inode_mutex_key+0x5b/0x70 [ 555.775033][T27426] __shmem_file_setup.part.0+0x108/0x2b0 [ 555.775056][T27426] shmem_file_setup+0x66/0x90 [ 555.775076][T27426] __x64_sys_memfd_create+0x2a2/0x470 [ 555.847214][T27426] ? memfd_fcntl+0x1550/0x1550 [ 555.851987][T27426] ? do_syscall_64+0x26/0x610 [ 555.856676][T27426] ? lockdep_hardirqs_on+0x418/0x5d0 [ 555.861978][T27426] ? trace_hardirqs_on+0x67/0x230 [ 555.867012][T27426] do_syscall_64+0x103/0x610 [ 555.871633][T27426] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 555.877541][T27426] RIP: 0033:0x458209 [ 555.881447][T27426] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 555.901280][T27426] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 555.909705][T27426] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 555.917682][T27426] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 [ 555.925654][T27426] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 555.933618][T27426] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa91a47d6d4 17:44:36 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb1, 0x400000000000) 17:44:36 executing program 2 (fault-call:3 fault-nth:4): ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 555.941605][T27426] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 17:44:36 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb2, 0x400000000000) 17:44:36 executing program 3: r0 = socket$inet6(0xa, 0x80001, 0x94c5) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) getsockopt$inet6_opts(r0, 0x29, 0x3f, &(0x7f0000000000)=""/158, &(0x7f00000000c0)=0x9e) [ 556.080484][T27447] FAULT_INJECTION: forcing a failure. [ 556.080484][T27447] name failslab, interval 1, probability 0, space 0, times 0 [ 556.102690][T27447] CPU: 0 PID: 27447 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 556.110722][T27447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 556.120790][T27447] Call Trace: [ 556.124100][T27447] dump_stack+0x172/0x1f0 [ 556.128489][T27447] should_fail.cold+0xa/0x15 [ 556.133106][T27447] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 556.138925][T27447] ? ___might_sleep+0x163/0x280 [ 556.143795][T27447] __should_failslab+0x121/0x190 [ 556.148754][T27447] should_failslab+0x9/0x14 [ 556.153347][T27447] kmem_cache_alloc+0x2b2/0x6f0 [ 556.158222][T27447] __alloc_file+0x27/0x300 [ 556.162640][T27447] alloc_empty_file+0x72/0x170 [ 556.167397][T27447] alloc_file+0x5e/0x4d0 [ 556.171631][T27447] alloc_file_pseudo+0x189/0x280 [ 556.176578][T27447] ? alloc_file+0x4d0/0x4d0 [ 556.181078][T27447] ? lockdep_annotate_inode_mutex_key+0x5b/0x70 [ 556.187310][T27447] __shmem_file_setup.part.0+0x108/0x2b0 [ 556.192929][T27447] shmem_file_setup+0x66/0x90 [ 556.197602][T27447] __x64_sys_memfd_create+0x2a2/0x470 [ 556.202971][T27447] ? memfd_fcntl+0x1550/0x1550 [ 556.207738][T27447] ? do_syscall_64+0x26/0x610 [ 556.212405][T27447] ? lockdep_hardirqs_on+0x418/0x5d0 [ 556.217686][T27447] ? trace_hardirqs_on+0x67/0x230 [ 556.222737][T27447] do_syscall_64+0x103/0x610 [ 556.227420][T27447] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.233305][T27447] RIP: 0033:0x458209 [ 556.237204][T27447] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 556.256812][T27447] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 556.265305][T27447] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 556.273270][T27447] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 17:44:36 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\n', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 556.281252][T27447] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 556.289229][T27447] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa91a47d6d4 [ 556.297194][T27447] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 556.421142][T27454] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 556.440967][T27443] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 556.478631][T27443] gfs2: fsid=_h: Now mounting FS... [ 556.481891][T27454] CPU: 1 PID: 27454 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 556.492790][T27454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 556.500914][T27443] gfs2: not a GFS2 filesystem [ 556.502851][T27454] Call Trace: [ 556.502877][T27454] dump_stack+0x172/0x1f0 [ 556.502900][T27454] sysfs_warn_dup.cold+0x1c/0x31 [ 556.502917][T27454] sysfs_create_dir_ns+0x242/0x2a0 [ 556.502933][T27454] ? sysfs_create_mount_point+0xa0/0xa0 [ 556.502963][T27454] kobject_add_internal.cold+0xe5/0x5d4 [ 556.502993][T27454] kobject_init_and_add+0x101/0x160 [ 556.510901][T27443] gfs2: fsid=_h: can't read superblock [ 556.515254][T27454] ? kobject_add_internal+0x380/0x380 [ 556.515275][T27454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 556.515292][T27454] ? vsnprintf+0x58b/0x1af0 [ 556.515321][T27454] gfs2_sys_fs_add+0x1aa/0x470 [ 556.515338][T27454] ? recover_store+0x160/0x160 [ 556.515357][T27454] ? snprintf+0xbb/0xf0 [ 556.515383][T27454] ? vscnprintf+0x60/0x80 [ 556.515403][T27454] ? set_blocksize+0x2bf/0x340 [ 556.515425][T27454] ? memcpy+0x46/0x50 [ 556.515447][T27454] fill_super+0x12f5/0x25c0 [ 556.523529][T27443] gfs2: fsid=_h: can't read superblock: -22 [ 556.526634][T27454] ? gfs2_online_uevent+0x1f0/0x1f0 [ 556.526654][T27454] ? snprintf+0xbb/0xf0 [ 556.526671][T27454] ? vsprintf+0x40/0x40 [ 556.526691][T27454] ? wait_for_completion+0x440/0x440 [ 556.526712][T27454] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 556.626897][T27454] ? set_blocksize+0x2bf/0x340 [ 556.631701][T27454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 556.637951][T27454] gfs2_mount+0x504/0x5de [ 556.642297][T27454] ? fill_super+0x25c0/0x25c0 [ 556.647014][T27454] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 556.653352][T27454] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 556.659015][T27454] ? fill_super+0x25c0/0x25c0 [ 556.663701][T27454] legacy_get_tree+0xf2/0x200 [ 556.668395][T27454] vfs_get_tree+0x123/0x450 [ 556.672911][T27454] do_mount+0x1436/0x2c40 [ 556.677251][T27454] ? copy_mount_string+0x40/0x40 [ 556.682211][T27454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 556.688464][T27454] ? copy_mount_options+0x280/0x3a0 [ 556.694217][T27454] ksys_mount+0xdb/0x150 [ 556.698477][T27454] __x64_sys_mount+0xbe/0x150 [ 556.703173][T27454] do_syscall_64+0x103/0x610 [ 556.707795][T27454] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.713688][T27454] RIP: 0033:0x45ac7a [ 556.717586][T27454] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 556.737197][T27454] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 556.745617][T27454] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 556.753590][T27454] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 556.761569][T27454] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 556.769540][T27454] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 556.777514][T27454] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 556.795420][T27454] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 556.832638][T27454] gfs2: fsid=_h: error -17 adding sysfs files 17:44:37 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:37 executing program 2 (fault-call:3 fault-nth:5): ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:37 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb3, 0x400000000000) 17:44:37 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.events\x00', 0x0, 0x0) openat$cgroup_type(r1, &(0x7f0000000040)='cgroup.type\x00', 0x2, 0x0) 17:44:37 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:37 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\v', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 557.080424][T27493] FAULT_INJECTION: forcing a failure. [ 557.080424][T27493] name failslab, interval 1, probability 0, space 0, times 0 [ 557.141814][T27493] CPU: 1 PID: 27493 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 557.149836][T27493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.160038][T27493] Call Trace: [ 557.163332][T27493] dump_stack+0x172/0x1f0 [ 557.167708][T27493] should_fail.cold+0xa/0x15 [ 557.172299][T27493] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 557.178147][T27493] ? ___might_sleep+0x163/0x280 [ 557.182996][T27493] __should_failslab+0x121/0x190 [ 557.187933][T27493] should_failslab+0x9/0x14 [ 557.192430][T27493] kmem_cache_alloc+0x2b2/0x6f0 [ 557.197277][T27493] ? rcu_read_lock_sched_held+0x110/0x130 [ 557.203011][T27493] ? kmem_cache_alloc+0x32e/0x6f0 [ 557.208073][T27493] security_file_alloc+0x39/0x170 [ 557.213110][T27493] __alloc_file+0xac/0x300 [ 557.217521][T27493] alloc_empty_file+0x72/0x170 [ 557.222269][T27493] alloc_file+0x5e/0x4d0 [ 557.226511][T27493] alloc_file_pseudo+0x189/0x280 [ 557.231539][T27493] ? alloc_file+0x4d0/0x4d0 [ 557.236041][T27493] ? lockdep_annotate_inode_mutex_key+0x5b/0x70 [ 557.242315][T27493] __shmem_file_setup.part.0+0x108/0x2b0 [ 557.248036][T27493] shmem_file_setup+0x66/0x90 [ 557.252832][T27493] __x64_sys_memfd_create+0x2a2/0x470 [ 557.258188][T27493] ? memfd_fcntl+0x1550/0x1550 [ 557.262934][T27493] ? do_syscall_64+0x26/0x610 [ 557.267607][T27493] ? lockdep_hardirqs_on+0x418/0x5d0 [ 557.272885][T27493] ? trace_hardirqs_on+0x67/0x230 [ 557.277897][T27493] do_syscall_64+0x103/0x610 [ 557.282486][T27493] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 557.288387][T27493] RIP: 0033:0x458209 [ 557.292289][T27493] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 557.311920][T27493] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 557.320322][T27493] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 557.328284][T27493] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 17:44:37 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb4, 0x400000000000) 17:44:37 executing program 3: r0 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x5, 0x800) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0xc) ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r0, 0xc1105517, &(0x7f00000001c0)={{0xa, 0x5, 0x3, 0x100, '\x00', 0x2}, 0x0, 0x1, 0x5, r1, 0x4, 0x2, 'syz0\x00', &(0x7f0000000140)=['lo*\x00', '/proc/capi/capi20ncci\x00', '/proc/capi/capi20ncci\x00', '/proc/capi/capi20ncci\x00'], 0x46, [], [0x2, 0x81, 0x3, 0xffff]}) r2 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000040)='/proc/capi/capi20ncci\x00', 0x1ffff, 0x0) ioctl$UI_SET_LEDBIT(r2, 0x40045569, 0x100000000) r3 = socket$inet6(0xa, 0x8000000002, 0xfffffffffffffff8) connect$inet6(r3, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 557.336253][T27493] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 557.344242][T27493] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa91a47d6d4 [ 557.352207][T27493] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 17:44:37 executing program 2 (fault-call:3 fault-nth:6): ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 557.415879][T27497] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 557.467574][T27497] gfs2: fsid=_h: Now mounting FS... [ 557.473962][T27487] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 557.513540][T27487] CPU: 1 PID: 27487 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 557.516427][T27497] gfs2: not a GFS2 filesystem [ 557.521567][T27487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.521575][T27487] Call Trace: [ 557.521605][T27487] dump_stack+0x172/0x1f0 [ 557.521631][T27487] sysfs_warn_dup.cold+0x1c/0x31 [ 557.521650][T27487] sysfs_create_dir_ns+0x242/0x2a0 [ 557.521667][T27487] ? sysfs_create_mount_point+0xa0/0xa0 [ 557.521707][T27487] kobject_add_internal.cold+0xe5/0x5d4 [ 557.558946][T27497] gfs2: fsid=_h: can't read superblock [ 557.560161][T27487] kobject_init_and_add+0x101/0x160 [ 557.560179][T27487] ? kobject_add_internal+0x380/0x380 [ 557.560217][T27487] gfs2_sys_fs_add+0x1aa/0x470 [ 557.560235][T27487] ? recover_store+0x160/0x160 [ 557.560255][T27487] ? snprintf+0xbb/0xf0 [ 557.581625][T27497] gfs2: fsid=_h: can't read superblock: -22 [ 557.581849][T27487] ? vscnprintf+0x60/0x80 [ 557.605728][T27487] ? memcpy+0x46/0x50 [ 557.609728][T27487] fill_super+0x12f5/0x25c0 [ 557.614258][T27487] ? gfs2_online_uevent+0x1f0/0x1f0 [ 557.619468][T27487] ? snprintf+0xbb/0xf0 [ 557.623637][T27487] ? vsprintf+0x40/0x40 [ 557.627805][T27487] ? wait_for_completion+0x440/0x440 [ 557.633090][T27487] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 557.638831][T27487] ? set_blocksize+0x2bf/0x340 [ 557.643609][T27487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 557.649868][T27487] gfs2_mount+0x504/0x5de [ 557.654214][T27487] ? fill_super+0x25c0/0x25c0 17:44:37 executing program 3: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000003c0)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) ioctl$VIDIOC_SUBDEV_ENUM_MBUS_CODE(r0, 0xc0305602, &(0x7f0000000040)={0x0, 0x6, 0x301e}) r1 = socket$inet6(0xa, 0x3, 0x0) ioctl$FS_IOC_MEASURE_VERITY(r1, 0xc0046686, &(0x7f0000000200)={0x2, 0xf2, "5d4283ed524e7be6335763fea8de839863d2fbc94adf3d908a9f47c3122aee52f5fa8c7a24b8bf725afc438543cb0f0562325ae8b68cb214f1f0316e73b09f4628fe516cee4e49e211edc118305cae8743cd2b1c1f95f8bf10f967713d1b26a48b1d0abc1be82dc677dd586d5c2659f57badd82050ffce337162416643422b7fa5b9856551ca5301921af73f109adf5e721ebc2813674fe67ebd3e010ead57d1bf77c9980a32d30fb61e1fc0f5567a79098437caf097f6ac38d760edae4d3209a20972f441881e359dbaeb71747953437295feffcff28bdaded9a7794d32e6af7e7d258defe3106f1692f2e9350523e6280a"}) ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(r0, 0x80045530, &(0x7f0000000140)=""/138) ioctl$IOC_PR_PREEMPT(r0, 0x401870cb, &(0x7f00000000c0)={0x81, 0xfff, 0x7b68, 0xd94}) getsockopt$IP_VS_SO_GET_SERVICES(r1, 0x0, 0x482, &(0x7f0000000300)=""/175, &(0x7f0000000080)=0xaf) r2 = request_key(&(0x7f0000000000)='id_resolver\x00', &(0x7f0000000400)={'syz', 0x0}, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0xfffffffffffffffe) r3 = add_key(&(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000004c0)={'syz', 0x2}, &(0x7f0000000500)="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", 0xfc, 0xfffffffffffffffa) r4 = add_key(&(0x7f0000000600)='.dead\x00', &(0x7f0000000640)={'syz', 0x2}, &(0x7f0000000680), 0x0, 0xfffffffffffffff8) keyctl$dh_compute(0x17, &(0x7f00000006c0)={r2, r3, r4}, &(0x7f0000000700)=""/148, 0x94, &(0x7f00000008c0)={&(0x7f00000007c0)={'sha384-ce\x00'}, &(0x7f0000000800)="fb74c3dc4792f4e4a0db157c7b842bb3b17f1fcbeea5e2edb5c66adb8505ddf2a96063d90b48b2acb67ce1de3c5b8f605bfb5252dad428ab1896950384298fef9deea60b7cfc166c4c61f659f18ca8a5d915f6e8e35f14c31fdcd2bba55b09a2b6eb5897f9372b2f711c6d202f1e3494e549d877d24184db90285906235ab5e42854146638cd8a266aa969a0d9f52150d193c984bc589cc0c94ab59217cf6fd5db25ecbf332b782a07dad33f6dcee7a1ac2a0393f7", 0xb5}) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0xffffff50) 17:44:37 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb5, 0x400000000000) [ 557.658927][T27487] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 557.665187][T27487] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 557.670831][T27487] ? fill_super+0x25c0/0x25c0 [ 557.670851][T27487] legacy_get_tree+0xf2/0x200 [ 557.670872][T27487] vfs_get_tree+0x123/0x450 [ 557.670890][T27487] do_mount+0x1436/0x2c40 [ 557.670912][T27487] ? copy_mount_string+0x40/0x40 [ 557.670927][T27487] ? copy_mount_options+0x198/0x3a0 [ 557.670943][T27487] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 557.670964][T27487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 557.694082][T27487] ? copy_mount_options+0x280/0x3a0 [ 557.694104][T27487] ksys_mount+0xdb/0x150 [ 557.694122][T27487] __x64_sys_mount+0xbe/0x150 [ 557.694144][T27487] do_syscall_64+0x103/0x610 [ 557.694164][T27487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 557.694176][T27487] RIP: 0033:0x45ac7a [ 557.694190][T27487] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 557.694197][T27487] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 557.694210][T27487] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 557.694220][T27487] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 557.694229][T27487] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 557.694237][T27487] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 557.694246][T27487] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 557.745849][T27487] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 557.826983][T27516] FAULT_INJECTION: forcing a failure. [ 557.826983][T27516] name failslab, interval 1, probability 0, space 0, times 0 [ 557.862363][T27487] gfs2: fsid=_h: error -17 adding sysfs files [ 557.908815][T27516] CPU: 0 PID: 27516 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 557.916846][T27516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.926905][T27516] Call Trace: [ 557.930221][T27516] dump_stack+0x172/0x1f0 [ 557.934577][T27516] should_fail.cold+0xa/0x15 [ 557.939187][T27516] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 557.945000][T27516] ? ___might_sleep+0x163/0x280 [ 557.949843][T27516] __should_failslab+0x121/0x190 [ 557.954781][T27516] should_failslab+0x9/0x14 [ 557.959290][T27516] kmem_cache_alloc+0x2b2/0x6f0 [ 557.964132][T27516] ? rcu_read_lock_sched_held+0x110/0x130 [ 557.969835][T27516] ? kmem_cache_alloc+0x32e/0x6f0 [ 557.974846][T27516] security_file_alloc+0x39/0x170 [ 557.979852][T27516] __alloc_file+0xac/0x300 [ 557.984261][T27516] alloc_empty_file+0x72/0x170 [ 557.989011][T27516] alloc_file+0x5e/0x4d0 [ 557.993237][T27516] alloc_file_pseudo+0x189/0x280 [ 557.998189][T27516] ? alloc_file+0x4d0/0x4d0 [ 558.002682][T27516] ? lockdep_annotate_inode_mutex_key+0x5b/0x70 [ 558.008919][T27516] __shmem_file_setup.part.0+0x108/0x2b0 [ 558.014543][T27516] shmem_file_setup+0x66/0x90 [ 558.019205][T27516] __x64_sys_memfd_create+0x2a2/0x470 [ 558.024558][T27516] ? memfd_fcntl+0x1550/0x1550 [ 558.029315][T27516] ? do_syscall_64+0x26/0x610 [ 558.033976][T27516] ? lockdep_hardirqs_on+0x418/0x5d0 [ 558.039255][T27516] ? trace_hardirqs_on+0x67/0x230 [ 558.044266][T27516] do_syscall_64+0x103/0x610 [ 558.048843][T27516] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.054726][T27516] RIP: 0033:0x458209 [ 558.058614][T27516] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 558.078208][T27516] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 558.086631][T27516] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458209 [ 558.095107][T27516] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd167 17:44:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb6, 0x400000000000) [ 558.103086][T27516] RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001 [ 558.111052][T27516] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa91a47d6d4 [ 558.119043][T27516] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 17:44:38 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) sendmsg$nl_generic(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x58, 0x13, 0x1, 0x70bd26, 0x25dfdbff, {0x15}, [@typed={0x8, 0x10, @ipv4=@multicast2}, @typed={0x10, 0x12, @str='@[vboxnet1]\x00'}, @typed={0x18, 0x5c, @str='trusted:selflo{(\x00'}, @nested={0xc, 0x8b, [@typed={0x8, 0x2f, @ipv4=@remote}]}, @generic="5de8a7a6a04e6752"]}, 0x58}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000) r2 = dup2(r0, r1) getresuid(&(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)=0x0) getresuid(&(0x7f0000000980), &(0x7f00000009c0)=0x0, &(0x7f0000000a00)) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000a40)={0x0, 0x0}, &(0x7f0000000a80)=0xc) stat(&(0x7f0000001f40)='./file0\x00', &(0x7f0000001f80)={0x0, 0x0, 0x0, 0x0, 0x0}) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f00000035c0)={0xffffffffffffffff, r1, 0x0, 0x10, &(0x7f0000003580)='procvmnet0ppp1,\x00', 0xffffffffffffffff}, 0x30) r8 = geteuid() sendmsg$netlink(r2, &(0x7f0000008a40)={&(0x7f00000003c0)=@proc={0x10, 0x0, 0x25dfdbfc, 0x10000}, 0xc, &(0x7f0000008980)=[{&(0x7f0000000400)={0x488, 0x38, 0x4, 0x70bd2d, 0x25dfdbfc, "", [@typed={0x8, 0x52, @u32=0x1f}, @generic="902614d3a6676d763a82adb7cb1cd1a7e9732fcaa899ce38179d297ee9dc591334d4e4d153bf1533a0538c748b873cb4fba9dab16768732ed64385ca17fd149cb2709237301565c79068915d0d6ddeecd06962b89e25f490fe5d097527813126664aee70bbaf2f5d982f2d9e64830a88de1026f224da522a79dc978d01a3c690c2917c960d082976c838275c9674bc1f4cc9ff95c24bcf5a541f76957f3c2a62938352501041275c738c8e90463d5b0319cd3be684c019d1aa89aa4fe4f056a8f8215395cefe3f2a12698e8e0d7e1b96361704e8b5f240d788b38c", @nested={0x154, 0x63, [@typed={0x8, 0x19, @fd=r1}, @generic="7acc8296c7d5d6fb30aede0eb614d9cac8d3ddb3fd624fb1d193eb826f440f55114f8a6b1281a934707c68aad2d5c0c228b4", @generic="be8c0b0ef50f30e26cc1801b5dfed296c2cd6c61c60d3a5e69fece1a1ab1b9dd2565ace18ff43a31c968a2d8ed60f91a4a00e81e1a6cbda9f9ef59e170bbdcbf08840987a8c120695b88320a6b24cf388d9ae9ec739bc6acc90db2e04dd3a4", @generic="bb9654a38a6c7de1b3bf790931ac2af44260ad1c7a696ed321042aba3dc6dba0ec4aa88b0704a248a98ee031b0b0fdf928b76f07a8092f1f5a92523053b24c32b61c3d87b8b372c13b8f2692e26c25268a78eb460905a37f4995b5917b25c81e6297a9437f267f3ce5b9ef0964fcc4c29e601664475e827173347d063665f1cd071dae2ed55a700f999c24fda594616b", @typed={0x8, 0x40, @fd=r2}, @generic="f1f49c94107a38a12dd395cd85758c49ca4e419f4e18b238ed7b668f1a"]}, @generic="436119544a8de30f22502a3a4126480eb194293b3f016b8560469c0f0a45639b7bc801cb05f0c25530d8c398f3b0a8d279e9866ee6e1bbf5f54e2ddcf21f9ec423c402257128279670867b751b547baae88caea7b8aa", @nested={0x1e8, 0x78, [@generic="b03e", @generic="cc267247f8bab89bd051c86e7ccef151f3120458bd3dcadfdd9b5eabc1f8e6b830214335e57da92f49d9335ae3ce494a2f09ce43b99c5b1b9381bcfe340b93d2043941946410e69a9b5e9d9ec10cd60279cf4c26e14c7df18a5509dbbc197d149a68f5334d4fb1bf1040b1f7735627f6ad05de98db4e100e23ef78b7f1a1ffcd4baa5bb2b0d9fdd07e9ab1cf32b81037713f1e84aeb6548eb00fac87890499da33ade15b9db1df2c1a5d4902299b9a23fc1bf30d1fd945700046fbce2b83daca6f9bad5f94b1761c24fc71486d9a942bf09bec4de293079105f49464f5129e62b6ce48", @typed={0xc, 0x56, @u64=0x2}, @generic="0d59d04e399037ade4221f64a28cff291e5ce39a27a61d1cfb44e6d32608e203d57ac01fdad9702f9d384dda251c6f7c8d75577ac787d14788a5b0c5e302910989838dbf046f88fd6e3bc72be3c9484ceb498510d6e26a1aaf7501a5263d6b4ea1d6c23b88a9462ac910784b235e2d5892fc7aebb30c78e26423ad33f4fb4863a001fdf1c65def7e2c099ab7e995042abeba3535ae6764fefaa6a34d943f10442bffc5efe0315b12b2df8f7357f90d8e13b319504e70c3ecd0621b4ca6e25e62d317d1f9217bf731fef60a33", @typed={0x14, 0x4a, @ipv6=@rand_addr="e1ca9c702f0bafd4b1a26ab9b90dec80"}, @typed={0x8, 0x59, @fd=r2}, @typed={0x8, 0x7a, @ipv4=@multicast1}]}]}, 0x488}, {&(0x7f0000000ac0)={0x1450, 0x2d, 0x400, 0x70bd26, 0x25dfdbfc, "", [@nested={0x1214, 0x7a, [@typed={0x4, 0xe}, @typed={0xc4, 0x8c, @binary="ba2b2592877ab6173c0e41b03a5aa039aff9ddf92b2b3bfe570cb372103c67bd1a79536a3a7b3eacef89e685880d1286200507934128186d3626073ca71403f625151c1b048b4f7b1b6b2271da16495ece71c91d53ce7729e0c50ccf4bd7252041bdc87639a4862c4ea186da4eb7f2ac9c6f91cdabdd8f29a3202ac69b248d7ff367e9b4595fc07dda590c043d6f59292cdc6ae5fc8341d92fad13932711aa19ef4e59f5a310112e93661bd2919655f20ca797ae1546cbe1bb89d18220056a88"}, @generic="463aa7df43cf182eb90e657f2cccb1af0832c7aaa28615317350f4ea47a48d69b181f21eb6b6961d4bbf33f458a3157dfeb50469d34083d9e1be2057ae9a31739d1db896b8fb4d92675459dbf2b6ccca884955c3ef072e43c9a06bbe8cb81280dd6781c1caca646684c049cc9f6bff9b72cfdd073ed50ee5c91fafb32fa31c49ed666831fa700ba1c85c81ed7326c34d", 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@generic="8282848d6c456642788cd0fa620cace57c94b0eb2f19fabf3a4028ac1bf362b2dea81f8e14636051a3c8d3648eaa2e3df40592e9fe6c5d83568fb74e21a5b54ea4bfd4b6d6f3a4bd9210", @generic="9b08d20416117e777243b2a5d51e66cfc30f5ee128fd1a6bcdbdc2de66c31ee0b3a8f4f12783c810499b9f1062f4a35203b58e8892dab213570e5dac1d46b8b4da3b39b87661eabb9bbcc8c8fb495f1e9fae635912227fee7f2a500518922430010e6a3aef0a8ecec8776f83642257ba40f360b5961819232cc7535f03c79bf988e85f94d6a2d23bce4c8ebc4c57571656b6bc208e1255f4452c4091", @typed={0x14, 0x5f, @ipv6=@mcast2}]}, @nested={0x160, 0x47, [@generic="c905a50b2a36cbc1a192ebfc8bf559dfa61817871cc6cff1b1530439e7daa1aa60cfe2705ca5c23104b03c00f663825017f0e6307acaf80c4e9aa63061ef455b589cf2f4f5dfc6f08b491285ee1a8e59c192a4e67dc9bee304d4ebe2ebcac50b156252d58b2c256db4666cd6d7", @generic="aeb278ea702afc68db5a36cbdd1a0e9b16800475eb6c6a876e9f2715f6db4b8be1d8b191a28b27e986c319ae78315a40012e32f665575ff543e3df3af5853bba1fe2dc6ad7fafdfac60b849928687b8029c52651070ae365d2c9c6dc142a83900d45a3b0e228f20bcab6c2fa493ff669167cd351650b9f2873", @generic="d1d9701db697333221569494c8735edb01e4ec6e934220bf1e3d1c1fff2b09a1563189f91aab2d1b8fb6487bff29635d5ddfb64b78483bc21ba7c05d4e2193e98415ed4f67b4df666b8978e9b41582252eddebe4530b44a72d88a42c098bcfb08f2d9c91446a6c8096567f86c29ca870d0709d12e6"]}, @nested={0x28, 0x55, [@typed={0x8, 0x16, @ipv4=@multicast2}, @typed={0xc, 0x40, @u64=0xfffffffffffffffe}, @typed={0x10, 0x6c, @str='@[vboxnet1]\x00'}]}, @nested={0xc8, 0x3f, [@generic="d69044dd649b9b2041b7cb564f359cd464225e22807c486cbf78a075a80b2c7d5b13", @generic="d6ae39d48baf992cb561c118a7be2d8e198fff493a0ec1f1186cd80924cd7b6a9cbd5e43219cb10e8f4538c37f91fe3401b65853d218901a2d06e988921f54d92beb929ca5175d83276e26b8f8756c453bd3f6fd610a972ea2a23e77b96bfd010bc8a1133dd7f56fefba0f16f8b14cbdf1b5581db3178751d8f418b5657849a5a4a4ffa55bf90ba7fca105733fdbf94c32f846e1a1b79abf", @typed={0x8, 0x12, @ipv4=@remote}]}, @typed={0x8, 0x50, @u32=0x3f}, @nested={0x78, 0x90, [@generic="6912bf45d9b5d7f157f771ff56d050310a079a43edf391a334204069729a66534e2d793d7609e340bf33876ce81532f8f2f45db2e59e491f0d18a1a94f044aec46875dce114e2ca2ce79e1e4c7e97ec9cc4f5ceb4d7520c4291e3c1c4e739c479db4a57f4db0fa2e5b9fdb77313ac457b528"]}]}, 0x13e0}], 0x7, &(0x7f0000008a00)=[@rights={0x30, 0x1, 0x1, [r0, r2, r1, r2, r2, r1, r1, r2]}], 0x30}, 0x24000000) ioctl$ION_IOC_HEAP_QUERY(r2, 0xc0184908, &(0x7f0000000040)={0x34}) getpeername$ax25(r2, &(0x7f00000001c0)={{0x3, @rose}, [@rose, @rose, @remote, @rose, @bcast, @remote, @rose, @netrom]}, &(0x7f0000000240)=0x48) getsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r2, 0x84, 0x77, &(0x7f0000000140)=ANY=[@ANYRES32=r9, @ANYBLOB="f469b24845af4f21271678f72595"], &(0x7f0000000180)=0x12) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:38 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:38 executing program 2 (fault-call:3 fault-nth:7): ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb7, 0x400000000000) [ 558.485100][T27568] FAULT_INJECTION: forcing a failure. [ 558.485100][T27568] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 558.498396][T27568] CPU: 0 PID: 27568 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 558.506405][T27568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.516466][T27568] Call Trace: [ 558.516501][T27568] dump_stack+0x172/0x1f0 [ 558.516528][T27568] should_fail.cold+0xa/0x15 [ 558.524138][T27568] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 558.524152][T27568] ? debug_smp_processor_id+0x3c/0x280 [ 558.524169][T27568] ? perf_trace_lock+0xeb/0x510 [ 558.524189][T27568] should_fail_alloc_page+0x50/0x60 [ 558.524205][T27568] __alloc_pages_nodemask+0x1a1/0x7e0 [ 558.524227][T27568] ? __alloc_pages_slowpath+0x28b0/0x28b0 [ 558.524246][T27568] ? find_held_lock+0x35/0x130 [ 558.563094][T27568] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 558.563116][T27568] cache_grow_begin+0x9c/0x860 [ 558.563133][T27568] ? getname_flags+0xd6/0x5b0 [ 558.563155][T27568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 558.570911][T27555] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 558.573734][T27568] kmem_cache_alloc+0x62d/0x6f0 [ 558.573752][T27568] ? notify_change+0x6d5/0xfb0 [ 558.573767][T27568] ? do_sys_ftruncate+0x41e/0x550 [ 558.573786][T27568] getname_flags+0xd6/0x5b0 [ 558.573805][T27568] getname+0x1a/0x20 [ 558.573820][T27568] do_sys_open+0x2c9/0x5d0 [ 558.573840][T27568] ? filp_open+0x80/0x80 [ 558.579203][T27555] gfs2: fsid=_h: Now mounting FS... [ 558.583283][T27568] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 558.583303][T27568] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 558.583319][T27568] ? do_syscall_64+0x26/0x610 [ 558.583333][T27568] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.583347][T27568] ? do_syscall_64+0x26/0x610 [ 558.583369][T27568] __x64_sys_open+0x7e/0xc0 [ 558.583398][T27568] do_syscall_64+0x103/0x610 [ 558.583419][T27568] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.590828][T27555] gfs2: not a GFS2 filesystem [ 558.596920][T27568] RIP: 0033:0x4121a1 17:44:38 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\f', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:38 executing program 3: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs\x00', 0x1fc, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$VIDIOC_SUBDEV_G_SELECTION(r0, 0xc040563d, &(0x7f0000000080)={0x1, 0x0, 0x103, 0x2, {0x10000, 0x9, 0x8, 0x80}}) r1 = socket$inet6(0xa, 0x80006, 0x0) connect$inet6(r1, &(0x7f0000000040)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb8, 0x400000000000) 17:44:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xb9, 0x400000000000) [ 558.596935][T27568] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 2a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 73 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 558.596943][T27568] RSP: 002b:00007fa91a47ca80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 558.596957][T27568] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00000000004121a1 [ 558.596966][T27568] RDX: 00007fa91a47cb0a RSI: 0000000000000002 RDI: 00007fa91a47cb00 17:44:38 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xba, 0x400000000000) [ 558.596974][T27568] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a [ 558.596983][T27568] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000004 [ 558.596992][T27568] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 558.759454][T27568] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 558.767584][T27557] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 558.773268][T27555] gfs2: fsid=_h: can't read superblock [ 558.780028][T27555] gfs2: fsid=_h: can't read superblock: -22 [ 558.790924][T27568] CPU: 0 PID: 27568 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 558.798926][T27568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.808993][T27568] Call Trace: [ 558.812306][T27568] dump_stack+0x172/0x1f0 [ 558.816658][T27568] sysfs_warn_dup.cold+0x1c/0x31 [ 558.821960][T27568] sysfs_create_dir_ns+0x242/0x2a0 [ 558.827784][T27568] ? sysfs_create_mount_point+0xa0/0xa0 [ 558.833395][T27568] kobject_add_internal.cold+0xe5/0x5d4 [ 558.838964][T27568] kobject_init_and_add+0x101/0x160 [ 558.844172][T27568] ? kobject_add_internal+0x380/0x380 [ 558.849560][T27568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 558.855813][T27568] ? vsnprintf+0x58b/0x1af0 [ 558.860337][T27568] gfs2_sys_fs_add+0x1aa/0x470 [ 558.865129][T27568] ? recover_store+0x160/0x160 [ 558.869909][T27568] ? snprintf+0xbb/0xf0 [ 558.874068][T27568] ? vscnprintf+0x60/0x80 [ 558.878418][T27568] ? set_blocksize+0x2bf/0x340 [ 558.883311][T27568] ? memcpy+0x46/0x50 [ 558.887317][T27568] fill_super+0x12f5/0x25c0 [ 558.891843][T27568] ? gfs2_online_uevent+0x1f0/0x1f0 [ 558.897052][T27568] ? snprintf+0xbb/0xf0 [ 558.901219][T27568] ? vsprintf+0x40/0x40 [ 558.905397][T27568] ? wait_for_completion+0x440/0x440 [ 558.910822][T27568] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 558.916557][T27568] ? set_blocksize+0x2bf/0x340 [ 558.921351][T27568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 558.927628][T27568] gfs2_mount+0x504/0x5de [ 558.932065][T27568] ? fill_super+0x25c0/0x25c0 [ 558.936774][T27568] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 558.943027][T27568] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 558.948692][T27568] ? fill_super+0x25c0/0x25c0 [ 558.953394][T27568] legacy_get_tree+0xf2/0x200 [ 558.958086][T27568] vfs_get_tree+0x123/0x450 [ 558.962595][T27568] do_mount+0x1436/0x2c40 [ 558.967222][T27568] ? copy_mount_string+0x40/0x40 [ 558.972174][T27568] ? audit_add_tree_rule.cold+0x37/0x37 [ 558.977728][T27568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 558.983979][T27568] ? copy_mount_options+0x280/0x3a0 [ 558.989190][T27568] ksys_mount+0xdb/0x150 [ 558.993452][T27568] __x64_sys_mount+0xbe/0x150 [ 558.998149][T27568] do_syscall_64+0x103/0x610 [ 559.002775][T27568] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 559.008678][T27568] RIP: 0033:0x45ac7a [ 559.012579][T27568] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 559.032260][T27568] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 559.040955][T27568] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 559.048938][T27568] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 559.056969][T27568] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 559.065130][T27568] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 559.073114][T27568] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 0000000000000003 [ 559.081252][T27557] CPU: 1 PID: 27557 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 559.089253][T27557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 559.099327][T27557] Call Trace: [ 559.102720][T27557] dump_stack+0x172/0x1f0 [ 559.107430][T27557] sysfs_warn_dup.cold+0x1c/0x31 [ 559.112386][T27557] sysfs_create_dir_ns+0x242/0x2a0 [ 559.112402][T27557] ? sysfs_create_mount_point+0xa0/0xa0 [ 559.112433][T27557] kobject_add_internal.cold+0xe5/0x5d4 [ 559.112455][T27557] kobject_init_and_add+0x101/0x160 [ 559.112470][T27557] ? kobject_add_internal+0x380/0x380 [ 559.112489][T27557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 559.112505][T27557] ? vsnprintf+0x58b/0x1af0 [ 559.112531][T27557] gfs2_sys_fs_add+0x1aa/0x470 [ 559.139395][T27557] ? recover_store+0x160/0x160 [ 559.139421][T27557] ? snprintf+0xbb/0xf0 [ 559.139437][T27557] ? vscnprintf+0x60/0x80 [ 559.139457][T27557] ? set_blocksize+0x2bf/0x340 [ 559.139478][T27557] ? memcpy+0x46/0x50 [ 559.139507][T27557] fill_super+0x12f5/0x25c0 [ 559.182008][T27557] ? gfs2_online_uevent+0x1f0/0x1f0 [ 559.187214][T27557] ? snprintf+0xbb/0xf0 [ 559.191385][T27557] ? vsprintf+0x40/0x40 [ 559.195817][T27557] ? wait_for_completion+0x440/0x440 [ 559.201107][T27557] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 559.206918][T27557] ? set_blocksize+0x2bf/0x340 [ 559.211693][T27557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 559.217965][T27557] gfs2_mount+0x504/0x5de [ 559.222314][T27557] ? fill_super+0x25c0/0x25c0 [ 559.227033][T27557] ? fill_super+0x25c0/0x25c0 [ 559.231715][T27557] legacy_get_tree+0xf2/0x200 [ 559.236407][T27557] vfs_get_tree+0x123/0x450 [ 559.240924][T27557] do_mount+0x1436/0x2c40 [ 559.245274][T27557] ? copy_mount_string+0x40/0x40 [ 559.250403][T27557] ? copy_mount_options+0x1ea/0x3a0 [ 559.255607][T27557] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 559.261162][T27557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 559.267416][T27557] ? copy_mount_options+0x280/0x3a0 [ 559.272620][T27557] ksys_mount+0xdb/0x150 [ 559.277049][T27557] __x64_sys_mount+0xbe/0x150 [ 559.281728][T27557] ? __x64_sys_mount+0x1/0x150 [ 559.286499][T27557] do_syscall_64+0x103/0x610 [ 559.291096][T27557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 559.296997][T27557] RIP: 0033:0x45ac7a [ 559.300901][T27557] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 559.320685][T27557] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 559.329108][T27557] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 559.337101][T27557] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 559.345074][T27557] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 559.353054][T27557] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 559.361336][T27557] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 559.428663][T27568] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 559.441916][T27568] gfs2: fsid=_h: error -17 adding sysfs files 17:44:39 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xbb, 0x400000000000) 17:44:39 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 559.471816][T27557] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 559.493222][T27557] gfs2: fsid=_h: error -17 adding sysfs files 17:44:39 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:39 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:39 executing program 3: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x6}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000000140)={r1, @in={{0x2, 0x4e23, @multicast2}}}, 0x84) r2 = socket$inet6(0xa, 0x3, 0x2) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:39 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xbc, 0x400000000000) 17:44:39 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\r', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='map_files\x00') ioctl$sock_bt_bnep_BNEPGETCONNINFO(r1, 0x800442d3, &(0x7f0000000040)={0x7fff, 0xaee5, 0x80000000, @remote, 'ip6_vti0\x00'}) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) write$sndseq(r1, &(0x7f0000000140)=[{0x4, 0x5, 0x8, 0x400, @tick=0x5, {0x9d5, 0x7}, {0x1ff, 0x148}, @raw8={"1dcfa890adf3e8ba74f4070f"}}, {0x9, 0x6, 0x8, 0x6, @time={0x0, 0x1c9c380}, {0xfff, 0x401}, {0x9, 0x9aee}, @raw32={[0xf061, 0x2, 0x300]}}, {0x4, 0x7fffffff, 0x400, 0x800, @time={r2, r3+10000000}, {0x200000000000000, 0x9}, {0x1, 0x5}, @note={0xe0, 0x5, 0x80000000, 0x5, 0x1}}], 0x90) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x3, 0x2, @remote, 0x92}, 0xffffffffffffff18) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, r1, 0x0, 0x9, &(0x7f0000000200)='ip6_vti0\x00', 0xffffffffffffffff}, 0x30) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000280)=r4, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNINFO(r1, 0x800442d3, &(0x7f0000000080)={0x9b, 0x2, 0x5, @local, 'nr0\x00'}) 17:44:40 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xbd, 0x400000000000) [ 559.868683][T27612] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 559.877041][T27612] gfs2: fsid=_h: Now mounting FS... [ 559.883596][T27612] gfs2: not a GFS2 filesystem [ 559.888578][T27612] gfs2: fsid=_h: can't read superblock [ 559.894544][T27612] gfs2: fsid=_h: can't read superblock: -22 [ 559.944220][T27627] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 559.985265][T27623] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 559.994653][T27627] CPU: 0 PID: 27627 Comm: syz-executor.2 Not tainted 5.1.0-rc1+ #32 [ 560.002846][T27627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.013006][T27627] Call Trace: [ 560.016348][T27627] dump_stack+0x172/0x1f0 [ 560.020706][T27627] sysfs_warn_dup.cold+0x1c/0x31 [ 560.025654][T27627] sysfs_create_dir_ns+0x242/0x2a0 [ 560.030873][T27627] ? sysfs_create_mount_point+0xa0/0xa0 [ 560.036444][T27627] kobject_add_internal.cold+0xe5/0x5d4 [ 560.042041][T27627] kobject_init_and_add+0x101/0x160 [ 560.047797][T27627] ? kobject_add_internal+0x380/0x380 [ 560.053361][T27627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 560.059630][T27627] ? vsnprintf+0x58b/0x1af0 [ 560.064162][T27627] gfs2_sys_fs_add+0x1aa/0x470 [ 560.070019][T27627] ? recover_store+0x160/0x160 [ 560.074800][T27627] ? snprintf+0xbb/0xf0 [ 560.078965][T27627] ? vscnprintf+0x60/0x80 [ 560.083338][T27627] ? set_blocksize+0x2bf/0x340 [ 560.088156][T27627] ? memcpy+0x46/0x50 [ 560.092180][T27627] fill_super+0x12f5/0x25c0 [ 560.096717][T27627] ? gfs2_online_uevent+0x1f0/0x1f0 [ 560.101941][T27627] ? snprintf+0xbb/0xf0 [ 560.106108][T27627] ? vsprintf+0x40/0x40 [ 560.110364][T27627] ? wait_for_completion+0x440/0x440 [ 560.115673][T27627] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 560.121418][T27627] ? set_blocksize+0x2bf/0x340 [ 560.126194][T27627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 560.132460][T27627] gfs2_mount+0x504/0x5de [ 560.136908][T27627] ? fill_super+0x25c0/0x25c0 [ 560.141650][T27627] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 560.147905][T27627] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 560.153565][T27627] ? fill_super+0x25c0/0x25c0 [ 560.158275][T27627] legacy_get_tree+0xf2/0x200 [ 560.163176][T27627] vfs_get_tree+0x123/0x450 [ 560.167690][T27627] do_mount+0x1436/0x2c40 [ 560.172069][T27627] ? copy_mount_string+0x40/0x40 [ 560.177145][T27627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 560.183779][T27627] ? copy_mount_options+0x280/0x3a0 [ 560.189090][T27627] ksys_mount+0xdb/0x150 [ 560.193358][T27627] __x64_sys_mount+0xbe/0x150 [ 560.198059][T27627] do_syscall_64+0x103/0x610 [ 560.202661][T27627] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.208582][T27627] RIP: 0033:0x45ac7a [ 560.212517][T27627] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 560.232224][T27627] RSP: 002b:00007fa91a47ca88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 560.240668][T27627] RAX: ffffffffffffffda RBX: 00007fa91a47cb40 RCX: 000000000045ac7a [ 560.248648][T27627] RDX: 00007fa91a47cae0 RSI: 0000000020000380 RDI: 00007fa91a47cb00 [ 560.256753][T27627] RBP: 0000000000000000 R08: 00007fa91a47cb40 R09: 00007fa91a47cae0 [ 560.264834][T27627] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 560.272841][T27627] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 560.280861][T27623] CPU: 1 PID: 27623 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 560.288953][T27623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.299024][T27623] Call Trace: [ 560.302328][T27623] dump_stack+0x172/0x1f0 [ 560.306679][T27623] sysfs_warn_dup.cold+0x1c/0x31 [ 560.311634][T27623] sysfs_create_dir_ns+0x242/0x2a0 [ 560.316966][T27623] ? sysfs_create_mount_point+0xa0/0xa0 [ 560.322563][T27623] ? vprintk_func+0x86/0x189 [ 560.327173][T27623] kobject_add_internal.cold+0xe5/0x5d4 [ 560.332727][T27623] kobject_init_and_add+0x101/0x160 [ 560.332744][T27623] ? kobject_add_internal+0x380/0x380 [ 560.332765][T27623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 560.332782][T27623] ? vsnprintf+0x58b/0x1af0 [ 560.332811][T27623] gfs2_sys_fs_add+0x1aa/0x470 [ 560.332828][T27623] ? recover_store+0x160/0x160 [ 560.332848][T27623] ? snprintf+0xbb/0xf0 [ 560.349786][T27623] ? vscnprintf+0x60/0x80 [ 560.349808][T27623] ? set_blocksize+0x2bf/0x340 [ 560.349829][T27623] ? memcpy+0x46/0x50 [ 560.359107][T27623] fill_super+0x12f5/0x25c0 [ 560.359141][T27623] ? gfs2_online_uevent+0x1f0/0x1f0 [ 560.359160][T27623] ? snprintf+0xbb/0xf0 [ 560.359176][T27623] ? vsprintf+0x40/0x40 [ 560.359197][T27623] ? wait_for_completion+0x440/0x440 [ 560.359213][T27623] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 560.359234][T27623] ? set_blocksize+0x2bf/0x340 [ 560.372546][T27623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 560.372569][T27623] gfs2_mount+0x504/0x5de [ 560.372589][T27623] ? fill_super+0x25c0/0x25c0 [ 560.372629][T27623] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 560.372646][T27623] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 560.372674][T27623] ? fill_super+0x25c0/0x25c0 [ 560.385941][T27623] legacy_get_tree+0xf2/0x200 [ 560.385963][T27623] vfs_get_tree+0x123/0x450 [ 560.385981][T27623] do_mount+0x1436/0x2c40 [ 560.386011][T27623] ? copy_mount_string+0x40/0x40 [ 560.386028][T27623] ? copy_mount_options+0x208/0x3a0 [ 560.386042][T27623] ? copy_mount_options+0x208/0x3a0 [ 560.386058][T27623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 560.386070][T27623] ? copy_mount_options+0x280/0x3a0 [ 560.386088][T27623] ksys_mount+0xdb/0x150 [ 560.386104][T27623] __x64_sys_mount+0xbe/0x150 [ 560.386125][T27623] do_syscall_64+0x103/0x610 [ 560.386146][T27623] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.386159][T27623] RIP: 0033:0x45ac7a [ 560.386180][T27623] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 17:44:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = syz_open_dev$usb(&(0x7f0000000040)='/dev/bus/usb/00#/00#\x00', 0x6, 0x400) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000080), &(0x7f00000001c0)=0x4) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x0, 0x0) getsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f0000000340)={@loopback, @initdev, 0x0}, &(0x7f00000003c0)=0xfffffffffffffdcf) ioctl$EVIOCSREP(r2, 0x40084503, &(0x7f0000000200)=[0x9, 0x1f06]) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f00000000c0)={r3, 0x1, 0x6, @broadcast}, 0x10) r4 = add_key(&(0x7f0000000140)='logon\x00', &(0x7f0000000180)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$get_security(0x11, r4, &(0x7f0000000280)=""/133, 0x47) 17:44:40 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xbe, 0x400000000000) [ 560.405019][T27623] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 560.405035][T27623] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 560.405045][T27623] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 560.405054][T27623] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 560.405064][T27623] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 560.405073][T27623] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 560.413445][T27627] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 560.545189][T27627] gfs2: fsid=_h: error -17 adding sysfs files [ 560.568771][T27623] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 560.612631][T27623] gfs2: fsid=_h: error -17 adding sysfs files 17:44:40 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xbf, 0x400000000000) 17:44:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) socket$inet6(0xa, 0x7, 0x0) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000000)=0xffff, 0x4) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) set_tid_address(&(0x7f0000000040)) 17:44:41 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:41 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:41 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='\nfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:41 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc0, 0x400000000000) 17:44:41 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x0e', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x4e23, 0x0, @mcast2, 0x4}, 0x1c) r1 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0xcd, 0x20000) getsockopt$inet_mreqsrc(r1, 0x0, 0x28, &(0x7f0000000040)={@empty, @loopback, @multicast2}, &(0x7f0000000080)=0xc) [ 561.122278][T27693] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 561.169976][T27693] gfs2: fsid=_h: Now mounting FS... [ 561.202027][T27692] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 561.214620][T27693] gfs2: not a GFS2 filesystem [ 561.222286][T27693] gfs2: fsid=_h: can't read superblock [ 561.231217][T27692] CPU: 0 PID: 27692 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 561.239217][T27692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 561.249522][T27692] Call Trace: [ 561.252863][T27692] dump_stack+0x172/0x1f0 [ 561.257211][T27692] sysfs_warn_dup.cold+0x1c/0x31 [ 561.262258][T27692] sysfs_create_dir_ns+0x242/0x2a0 [ 561.267396][T27692] ? sysfs_create_mount_point+0xa0/0xa0 [ 561.272981][T27692] kobject_add_internal.cold+0xe5/0x5d4 [ 561.278545][T27692] kobject_init_and_add+0x101/0x160 [ 561.283769][T27692] ? kobject_add_internal+0x380/0x380 [ 561.289374][T27692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 561.295907][T27692] ? vsnprintf+0x58b/0x1af0 [ 561.300440][T27692] gfs2_sys_fs_add+0x1aa/0x470 [ 561.305231][T27692] ? recover_store+0x160/0x160 [ 561.310009][T27692] ? snprintf+0xbb/0xf0 [ 561.314159][T27693] gfs2: fsid=_h: can't read superblock: -22 17:44:41 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Bfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:41 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc1, 0x400000000000) [ 561.314471][T27692] ? vscnprintf+0x60/0x80 [ 561.324704][T27692] ? set_blocksize+0x2bf/0x340 [ 561.324728][T27692] ? memcpy+0x46/0x50 [ 561.324758][T27692] fill_super+0x12f5/0x25c0 [ 561.333532][T27692] ? gfs2_online_uevent+0x1f0/0x1f0 [ 561.333552][T27692] ? snprintf+0xbb/0xf0 [ 561.333568][T27692] ? vsprintf+0x40/0x40 [ 561.333588][T27692] ? wait_for_completion+0x440/0x440 [ 561.333610][T27692] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 561.362841][T27692] ? set_blocksize+0x2bf/0x340 [ 561.367625][T27692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 561.373891][T27692] gfs2_mount+0x504/0x5de [ 561.378532][T27692] ? fill_super+0x25c0/0x25c0 [ 561.385688][T27692] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 561.392053][T27692] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 561.398530][T27692] ? fill_super+0x25c0/0x25c0 [ 561.403224][T27692] legacy_get_tree+0xf2/0x200 [ 561.409428][T27692] vfs_get_tree+0x123/0x450 [ 561.413945][T27692] do_mount+0x1436/0x2c40 [ 561.418283][T27692] ? retint_kernel+0x2d/0x2d 17:44:41 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc2, 0x400000000000) [ 561.422943][T27692] ? copy_mount_string+0x40/0x40 [ 561.427983][T27692] ? copy_mount_options+0x208/0x3a0 [ 561.433373][T27692] ? write_comp_data+0x1e/0x70 [ 561.438167][T27692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 561.444506][T27692] ? copy_mount_options+0x280/0x3a0 [ 561.449721][T27692] ksys_mount+0xdb/0x150 [ 561.453999][T27692] __x64_sys_mount+0xbe/0x150 [ 561.458693][T27692] do_syscall_64+0x103/0x610 [ 561.463301][T27692] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 561.469231][T27692] RIP: 0033:0x45ac7a [ 561.469248][T27692] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 561.469257][T27692] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 561.469272][T27692] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 561.469282][T27692] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 561.469291][T27692] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 561.469300][T27692] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 561.469309][T27692] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 561.490059][T27692] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 561.548812][T27692] gfs2: fsid=_h: error -17 adding sysfs files 17:44:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) sync_file_range(r0, 0x1ff, 0x4000000009e7f, 0x4) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0xfffffffffffffff9, @remote, 0x4}, 0x9) 17:44:41 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc3, 0x400000000000) 17:44:41 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 561.833852][T27731] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 561.862513][T27731] gfs2: fsid=_h: Now mounting FS... [ 561.913761][T27731] gfs2: not a GFS2 filesystem [ 561.918636][T27731] gfs2: fsid=_h: can't read superblock [ 561.999148][T27731] gfs2: fsid=_h: can't read superblock: -22 [ 562.050763][T27745] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 562.062894][T27745] CPU: 1 PID: 27745 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 562.070909][T27745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.081072][T27745] Call Trace: [ 562.084365][T27745] dump_stack+0x172/0x1f0 [ 562.088704][T27745] sysfs_warn_dup.cold+0x1c/0x31 [ 562.093644][T27745] sysfs_create_dir_ns+0x242/0x2a0 [ 562.098765][T27745] ? sysfs_create_mount_point+0xa0/0xa0 [ 562.104593][T27745] kobject_add_internal.cold+0xe5/0x5d4 [ 562.110171][T27745] kobject_init_and_add+0x101/0x160 [ 562.115406][T27745] ? kobject_add_internal+0x380/0x380 [ 562.120796][T27745] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 562.127116][T27745] ? vsnprintf+0x58b/0x1af0 [ 562.131621][T27745] gfs2_sys_fs_add+0x1aa/0x470 [ 562.136392][T27745] ? recover_store+0x160/0x160 [ 562.141161][T27745] ? snprintf+0xbb/0xf0 [ 562.146020][T27745] ? vscnprintf+0x60/0x80 [ 562.151223][T27745] ? set_blocksize+0x2bf/0x340 [ 562.156260][T27745] ? memcpy+0x46/0x50 [ 562.160248][T27745] fill_super+0x12f5/0x25c0 [ 562.164772][T27745] ? gfs2_online_uevent+0x1f0/0x1f0 [ 562.169970][T27745] ? snprintf+0xbb/0xf0 [ 562.174123][T27745] ? vsprintf+0x40/0x40 [ 562.178656][T27745] ? wait_for_completion+0x440/0x440 [ 562.183943][T27745] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 562.189675][T27745] ? set_blocksize+0x2bf/0x340 [ 562.194457][T27745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 562.200709][T27745] gfs2_mount+0x504/0x5de [ 562.205048][T27745] ? fill_super+0x25c0/0x25c0 [ 562.209740][T27745] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 562.216006][T27745] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 562.221670][T27745] ? fill_super+0x25c0/0x25c0 [ 562.226438][T27745] legacy_get_tree+0xf2/0x200 [ 562.231114][T27745] vfs_get_tree+0x123/0x450 [ 562.235614][T27745] do_mount+0x1436/0x2c40 [ 562.239943][T27745] ? copy_mount_string+0x40/0x40 [ 562.244913][T27745] ? copy_mount_options+0x1d0/0x3a0 [ 562.250137][T27745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 562.256465][T27745] ? copy_mount_options+0x280/0x3a0 [ 562.261680][T27745] ksys_mount+0xdb/0x150 [ 562.266207][T27745] __x64_sys_mount+0xbe/0x150 [ 562.270897][T27745] do_syscall_64+0x103/0x610 [ 562.275492][T27745] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.281392][T27745] RIP: 0033:0x45ac7a [ 562.285278][T27745] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 562.305337][T27745] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 562.313795][T27745] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 562.322387][T27745] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 562.330387][T27745] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 562.338354][T27745] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 562.346329][T27745] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 562.356194][T27745] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 562.369257][T27745] gfs2: fsid=_h: error -17 adding sysfs files 17:44:42 executing program 3: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0x414000, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x23, &(0x7f0000000140)="e3483b93ea0c2eecb7d24522fd830736494e21671d675564dc8f0a0b914676768577c7091f90017bb15d2c5e2d916ff51d43b4e4ce33c09c2e2e767e28a7a3366354b2d717d0f7a2ce84c00ade07429696fa7c5587fef1f974ef699fd80e5a044e5614fecd6888bcc3fbf0ce0f9686d5f3537953ab0ad116f8736b928a0b685ff3f9521db98ac2b3054236243214a0d7af82232fd17cba469c35f0d65b9438f5ef34a21d20be7211b16a0647c48ea8e133911a279ba5703997008523bbc6a3f5bc0b51c3ee44010a2e691a7dc661da882ebd1d324126a6902e646d0ae0fd187f38ee7d75bbf3d0a94322939b7e1df6f4dcb99c99b82907af66a13e8a70359aa0249411877874eca243f112b584a8732d8596350df11e085e5bb033ebe2fb4b7c9a2eb55ec77cf5044146b9e4bb44a252fa40de5ea332a9549210052205fcc52ae55cc1db7b47b57a17c33414e3aa6388a1fae09cb14a7e0ae84d475c8a4a223a40a3bea3fcea889fa6dbc567563fa0f89b7e33263e89f36868477f2ee4ceefbf8780cb8bc40d4f7f728e1a856e4432d6af86fe8f4b76045011b3dfb760fe10bad65546d131637ef8c5dd8b0f28ce8e3d819d0ebf3bccf4f24e5386f7e1a575269173bdd25a739aeecae342a06be87eb80dd1b995ae3b874be1cb4ca16ddea3526a0aa6d3d987f7f01dc1ed673120a7c907826478419ae10c1aefb4c03da9118d7dceedd59f58f4238e999437a29b968dd20f72b8f8ee3f50273bc1e77bea01805ff536b578dfcc7ea8fa51a237bec9bb82ac0705569bd08ac112c0e08634dec7a40f77e8e44fee5250b50a4ed91d947b443370ad34fadc39a346429d2d0f5c47d1dd8ecba9df3735dc2d7044e091806b88620adc0a524e642fb1e657aeccb6266f638852b64005a5c695a6adc053c40c023b649abe84aa7dade80c432c127a952a615d155f4318d3d5d2bdbebfa294a7b453aacdcf225cf3e82e7c631e82d3dd93969bdc28c489b8ee3e22958e687b697a0bc768dd2b8993613576cdabd44872b160ef731f70ee8d8e18f07eb50eb653d58d39784f93cd93250d9748fc691696fea99f8436b4ac93762036794fe58a441f97f5897a0f928b2314bd4ffe4691529823d261fcf9f86eb942b887495572303d7c2778db1e6ffae3160532a04f3e01a90021c2f9264513ac55ad3ffe7d29ba8141a93012ecff55f38e3f7a8374bdb91055bbe821209d1f2bb6fbc746a03de2dd06eb80eab13d93e5101952402b0e1b9a3ec0d159ff5690abe995a29b511fb0664ec12b85609497b5cbb7aba9857da969c317dfe173fec140e2fdf0ed909b1c8f0bfe0f60dd4d01201d2f4808e1ddd44a72f6a7b858c102cead96d2a3be7b6f5cc6bdda661b2cf2006e6c06647e2702e945978b762cabfb217cbbe511deabf8f8b0f03ae924c100406dcf507cc5c88da81b5f6adbce8c9270b11dc0178ba697340d68db512ba7fae6fd18181ec40c1cb8dd6950fc15fe5c6f66b429377dfe9e2452b9819c8445da3906e42666eca7dd3ae45000ffd20f8dbcd07e3653471946840d78635cdb325f036115ebe8100ba6886e164989060f8def87c6e116190190c9820eb3d66171c45bec9d77b247219cd714bb635fb62fe68d37b3501109e791c7a144166c298918a26cc91cd67918c3c0de36a67a73b2e54cbf1991c93e00c1dcd9704bdabdada20883802aff4ad86cf91ed7a7ef9713292e916110da884d6636554f00f906bcf0b3b504459f59e4ead2e419741a6bc0f387a61b2c59288a293d4ddf561021aa59e42ebfe8f88c73d65956c5507d02f796d3fe2c8ef3106d7ce053e92e8c37c174c0ed153b42eb683a2ed0e9909fdae395390893a780992d86278045467c85a95f92e53360fe80efb0ff13c5d9f28a12d3f2298499341c407c6b745c9f94cc66359b53197aa069de18ef2492af17096fa97f3ada65d172552a3d7ef791591b9233a2acd6c527a76c9ab49ce30badcfcf2a071474e6cc25775f19ff8c9682cfb113fd926a539f500b9191e9633e3db23d366d50abc89aff349904690e48927ac9a6748c3a9d0687f8101798c2926c77ddd858034bc6cb3d2cb573e49ec1582d2af83947e4a23be9a3e7a4f726a800509768da4957a096be0a4b39940f9ed4af0376bf3f52c4b2d7d1f4ed542cc0ca0ee3eb3ce21eac7893a803e15866252ecb0318b302473470d0e5b7efd6faa1864e3a902256bfb9fabe5bc501ebaa4faccccce303a60ff725a79b16cbbe0cbc732781cadb4dcb453ea978e860ef4eaffdb38b5241c17a015ffca9e898cadf376e215fd7e7b81331054700122557ffe3dbbe0356a69852f829dd8e0e07a7cff4a65778019a56d60e42264690ec6e1d808ff2a90931eb3adbd37403b24369008b69925c6ee37bc8bd9ab9968f9f0a4cc0196f114197823c93d8a5a6bd081bb3974ea208b82d3b6d50b60817c293264c99f4dd3c38c5f67afd0eecda04c92e48fe788813b830ec98f5ab237a6b89e80e93d18a683ad4a3662e1aaf82ca296f3a8a1287955035d9d11b02b299aecd5ea0077e77b1eb6fbc0c1ef75000a221b9ff55bd41f432a9151221bdbd361c0c3ed6f4a8433fee45279c5f12dfa92da91b5fc5bb6cbf538a1ed3681fb0d0d963ab141cde1e8166f99b35c3d1b27fd23f253fccb2f4495e516d506d12cc78893c81f96c6e309520c4fcf4561c6e812fe30fe89ebebf543d5f393fd2925764b68e4ded4b7a4fb70be7ceb7d48e31d645a4b1470f0ba1c59b33b6856ef714f16e279f099558d0c7f7c1fcf5682679d185b331ba64c98919917b72e80d062dd0e33c00ac0cb3e0d6aa65040095f822a2cc5e7731f968c308444c3add4722864bf30355c5cbcd2a9b114a9b403846b6b40c54ed264b450fc0d58a7f6c002e4e49863438b8cc05dc2d09dc6f76d7a2fbc3b0478ff00d7f5b500aefba83d85c23067387c07a5882e83a2e7a8db74e0a61a5db1333e6d7443fab19379dc7321d1d2ae2c1b9b93374bee37e93dde3853ff1a4be2d906bdf2bc109bd481848ae567ab5612aa54b6d97b60cfd6199a2c03ef884675f36237fbaa9c0b87784b5ef147833831a8d5f946a8ba357e36e31647a2e6e30749b0a6173fb1a9359b213f67d061a3635f26145c396f4065dadb7e56aa0fd893906d677b6b8a7aeb0d52dfbaf278cf7ddb2159623cddfbf29cd6b12eb943cd88a0bf453642be270013b1242bb3eb38e3a7cf7c0eb12cc39308715b1bb25388e5d03e12f5d2a987f8c1358dbf1dd465417a1ad40ba57515858c71344a5d40b51a2e7d0066f0d945b444ac02de0babd57d79329e4ebbc9416006ab791c43627d0a2cfbff3e196a06a1b1283637285cd2ec321c7b861ac797fbd9dcce1e1a0e75451fc43ccbb090f185764f9e538d99f711cce98e956ddad797955373fff571cd71a29fb09af8ce8b61274bb5f7e741491a6362acbc2fa9706df13e4c8cebda6dc9e79531a0129df2d76b6d651144a07d2db89b7e97ff462142e8f75e5a8fdd8595c74be13390cf54674ae1bcab2e32a390b327245a84cd86caba52b4a6931566f07c550d355770a3ef968a0fd69504acb2678576ea31b37ca3eb90fa17492845740818c0262b1aefff0b5f50dc5ac94602e66993aff24225a7c827c7f54c362f985d10677cad4e8ccca40d4197276b848524ff483e745b8f95f45dfb84f82861bce088c91a8f300e150deb1da17102a2b26689b8d1e7da7eb065c4bca192792211bea6c0dc8218204ff299dfa302a271c8d0ac948a8e813eb88cd3b9be0fc89e6010ddb1845a7e79c33fc2d936306cba39795827df2e9ba6344cac3c6c1244f27c48c0d6f0b6e14cea3a64502e5f99f679658adc7d9e4a8720b593b1642b80935634768e3aa89b1ab2c773ecc605d5e03ffa8e255c9460a56df166f59c2364b896f2eb22dee68044ff1619440c29db471fc665aba5ff8cfedad2acc1a2bd880bf6631daca6abeae907c52af8da88ec8b94aa1c64f9956b80cada79a60adc236ce6604de4ff2a7d3d22faa7d2ca7e0bb40ac9b672944a993119a3653c0adae4f435347a259afcab5b93572879bf70211c098c6c878a4742d3068668f6c00509f882f0797f8b7b6fc33fe5e373da7607ba9c3c92b2764197adacb126e43cf3c7cc9045d1138563d43583549fa1c569e53617a2af1c6d4d9bde806eb8ef2ca8ad66e73568963149254d676c82e354b8e5213498b446f1c85eed26c6f8827a2cd4ef164d92468d1e8fd00d6043f74efe22a2503fb31bfc057022b0063b63d247c35792cfab291e2b2fc1dcb9b76eecdd6c7f1c09afa7528856fe362d52a63fe687a53ea50815be43e2645a4847be16533aa5c491e1a59bfcdd2dd1ff238588a81e8252e08b5005c8e9d2cbac8724d43d7fb4100d84a869bcb147f785bf4e75dfd50c206fd6fbda04fe88d793a33bc10f87a75bbaab64674e694f4734413fb2d7c5a514225c92a2a52741ee65d73551995b0cdeec842971dd91078b67bdd8b000a59017ac940f5fb4ce5451aa02be1ba8784ce18f9e0f87d0e36a39d15024a9edcb9226907bc9abad5ba0ec7b7c5a503f5b6fcd60ee3a7e0bb7d5a32c192475ddeb06efeb6980c909e8aedfb0a6ab952c9e9dbfc2d22cd51e4d485cd12a0207079c92c32df147666a8f435282ef71a43ef20cc0eae78a47b9d1541e88e6137121dfe8c7dce0a06e33c54128aa8d7105d9dd010ab98175a408db0329fe09bbd996e680ea3b202c5e37178fe545dbf98b6e984e7ce115e7f4667e57d43292134838e616b70b20638efa01a05e00d9bb785126e4c2860b8ceb5703d96b746555f9591b8e0a6967521042377114622d2bc8af635a4f308756281e25e21c681be21174f6317d2cc17353ef1ac402233a7846cbb4a069de2f2859f8f5e807b6e61d99009cad716bb5290c233c86c1524b0f94db09d52e8317f600fe80623755624c6f6a27de5046e069b5ddcef7cb96afe3aa7d88774372addfd250b7856006a4e39f5cf92ed390d65790a953d0acec82ef6bec4da435624a5e9502491fa20b620c1a51a5d942397128c37d0738b0916c4adc665314717c23d268cd10ec08213d079ddab8f35ead001e9433d8d8736de548ba0c4936c0ad472c21ce59c79620b9be315eb62b1e281a340314384b018b917ef0b4b7f22066b272ebe5e847ddb0b709920ff65599da9bc9c0cdcb6e21a3227ba9240ed02fec1ef34eed60197047e7b5c3d721c64ada909d1f11e0f19ea38ce01f9139163f01c52b3005270259b171b0582bc7e50030c9f93d5881cd7bbaf2b71d20a7f8682cc01c77757273bb12920de75a801df77b25caab38306ed81e8ab3e5ba7706bad460524756e55a5f797f6ff4401da023d7820d94a0b5093f62c4b08c1799dabe61905e3884138da20d013cdd378e6444a13be60be0a3358b2e65c23b65b1634a2073ef247b42aa64d9b5e218b77d32ffeb0cecec417bf0acbedcc2243c7878b620d9d52ce18c25b99d7ffc50569f0c64b1e4bd96b101bc4a75925dfd335b8705f5a251edd47846c3f79f12a0c09d7fdf110710b6b13700f26b31bce37f10f10f2b404fc29bd0e55c2b5f0c029fb4e91b50086d3a567d556f4c3173146c15aea750c285039d69b52430b6d52905b7e0216f65542531b58513236cfa017f109a6b1bbdb5504121ed31d100ec0038bea261cf7ed05ebee686e5e83e6aad4ab4cf5e8ec14de8d12a5cc6e3f0ac38ebebe4238c57c441522ae78d99e1c62bb8f0777e430fec068a88bcc015705dc128c51b4", 0x1000) r1 = socket$inet6(0xa, 0x200000, 0x7c) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) close(r0) 17:44:42 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Cfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:42 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x0f', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:42 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:42 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc4, 0x400000000000) 17:44:42 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc5, 0x400000000000) 17:44:42 executing program 3: r0 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x1, 0x242000) ioctl$GIO_UNISCRNMAP(r0, 0x4b69, &(0x7f0000000080)=""/233) r1 = socket$inet6(0xa, 0xb, 0x400000dd2f) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e24, 0x0, @rand_addr="c3a3b842e0386190a72c1ca8723c6b19", 0x4}, 0x1c) 17:44:42 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:42 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc6, 0x400000000000) 17:44:42 executing program 3: r0 = socket$inet6(0xa, 0x10000000a, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e23, 0x4, @remote, 0x4}, 0x1c) ioctl$sock_inet6_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000040)) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/policy\x00', 0x0, 0x0) ioctl$UI_GET_VERSION(r1, 0x8004552d, &(0x7f0000000140)) ioctl$KVM_INTERRUPT(r1, 0x4004ae86, &(0x7f0000000100)=0x101) [ 562.761393][T27779] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 562.787670][T27779] gfs2: fsid=_h: Now mounting FS... 17:44:43 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Dfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:43 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x10', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:43 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc7, 0x400000000000) [ 562.857487][T27779] gfs2: not a GFS2 filesystem [ 562.865093][T27786] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 562.892004][T27779] gfs2: fsid=_h: can't read superblock [ 562.929092][T27786] CPU: 0 PID: 27786 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 562.937173][T27786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.946150][T27779] gfs2: fsid=_h: can't read superblock: -22 [ 562.947234][T27786] Call Trace: [ 562.947263][T27786] dump_stack+0x172/0x1f0 [ 562.947288][T27786] sysfs_warn_dup.cold+0x1c/0x31 [ 562.947307][T27786] sysfs_create_dir_ns+0x242/0x2a0 [ 562.947331][T27786] ? sysfs_create_mount_point+0xa0/0xa0 [ 562.976880][T27786] ? __sanitizer_cov_trace_pc+0x32/0x50 [ 562.982445][T27786] kobject_add_internal.cold+0xe5/0x5d4 [ 562.988012][T27786] kobject_init_and_add+0x101/0x160 [ 562.993223][T27786] ? kobject_add_internal+0x380/0x380 [ 562.998612][T27786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 562.998630][T27786] ? vsnprintf+0x58b/0x1af0 [ 562.998659][T27786] gfs2_sys_fs_add+0x1aa/0x470 [ 562.998676][T27786] ? recover_store+0x160/0x160 [ 562.998697][T27786] ? snprintf+0xbb/0xf0 [ 562.998714][T27786] ? vscnprintf+0x60/0x80 [ 562.998737][T27786] ? set_blocksize+0x2bf/0x340 [ 563.023147][T27786] ? memcpy+0x46/0x50 [ 563.023173][T27786] fill_super+0x12f5/0x25c0 [ 563.023204][T27786] ? gfs2_online_uevent+0x1f0/0x1f0 [ 563.023228][T27786] ? snprintf+0xbb/0xf0 [ 563.050191][T27786] ? vsprintf+0x40/0x40 [ 563.054361][T27786] ? wait_for_completion+0x440/0x440 [ 563.059663][T27786] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 563.065410][T27786] ? set_blocksize+0x2bf/0x340 [ 563.070183][T27786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 563.070207][T27786] gfs2_mount+0x504/0x5de [ 563.070227][T27786] ? fill_super+0x25c0/0x25c0 [ 563.070267][T27786] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 563.070285][T27786] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 563.070310][T27786] ? fill_super+0x25c0/0x25c0 [ 563.070328][T27786] legacy_get_tree+0xf2/0x200 [ 563.070348][T27786] vfs_get_tree+0x123/0x450 [ 563.091931][T27786] do_mount+0x1436/0x2c40 [ 563.091956][T27786] ? copy_mount_string+0x40/0x40 [ 563.091978][T27786] ? __sanitizer_cov_trace_pc+0x1/0x50 17:44:43 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc8, 0x400000000000) [ 563.091995][T27786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 563.092009][T27786] ? copy_mount_options+0x280/0x3a0 [ 563.092028][T27786] ksys_mount+0xdb/0x150 [ 563.092045][T27786] __x64_sys_mount+0xbe/0x150 [ 563.092066][T27786] do_syscall_64+0x103/0x610 [ 563.092087][T27786] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.092106][T27786] RIP: 0033:0x45ac7a [ 563.102428][T27786] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 563.111587][T27786] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 563.111603][T27786] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 563.111613][T27786] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 563.111622][T27786] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 563.111631][T27786] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 17:44:43 executing program 3: syz_init_net_socket$netrom(0x6, 0x5, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0xfffffffffffffffc, @remote, 0x4}, 0x1c) r1 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cachefiles\x00', 0x101000, 0x0) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f00000000c0)={0x7, [0x1, 0x3, 0xece, 0x100000000, 0x800, 0x1ff, 0x6]}, &(0x7f00000001c0)=0x12) r2 = mmap$binder(&(0x7f0000fee000/0x11000)=nil, 0x11000, 0x0, 0x40010, r1, 0x0) ioctl$BINDER_GET_NODE_DEBUG_INFO(0xffffffffffffffff, 0xc018620b, &(0x7f0000000200)={r2}) ioctl$BINDER_GET_NODE_DEBUG_INFO(r1, 0xc018620b, &(0x7f0000000140)={r3}) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x400000, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r4, 0x8905, &(0x7f0000000040)) r5 = syz_open_dev$dspn(&(0x7f0000000180)='/dev/dsp#\x00', 0x101, 0x2000) ioctl$PIO_FONTRESET(r5, 0x4b6d, 0x0) [ 563.111640][T27786] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 563.123461][T27786] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 563.159373][T27786] gfs2: fsid=_h: error -17 adding sysfs files 17:44:43 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xc9, 0x400000000000) 17:44:43 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x0, 0x0) r2 = eventfd(0x0) io_setup(0x1000, &(0x7f0000001380)=0x0) io_submit(r3, 0x1, &(0x7f0000000280)=[&(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x74f7, r2, 0x0, 0x0, 0x0, 0x0, 0x2}]) ioctl$VIDIOC_S_OUTPUT(r1, 0xc004562f, &(0x7f0000000040)=0xff) 17:44:43 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:43 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:43 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x11', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:43 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xca, 0x400000000000) 17:44:43 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Efs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 563.617805][T27854] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:43 executing program 3: r0 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x7, 0x80) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000200)={0x401, 0x5, 0x7f, 0x4, 0x0}, &(0x7f0000000240)=0x10) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000140)={0x1b, {{0xa, 0x4e21, 0x18000, @dev={0xfe, 0x80, [], 0x1a}, 0x80}}}, 0x88) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000280)={r1, 0x4, 0x10, 0x1, 0x4}, &(0x7f00000002c0)=0x18) r2 = accept(0xffffffffffffffff, &(0x7f0000000000)=@sco, &(0x7f0000000080)=0x80) ioctl(r2, 0x2, &(0x7f0000000300)="f7d1bcf29d34748e43e7d58467c25e986ee4132c981312003f9ac2ce769a8cd4d90395cf29b106662b091685e3336642fd096bffe61fc51b6ec82b4e83d738835dfab807b20a4676c2eb508d272d78828d36a6e9f16525a7bc6da47e4cff2cbf10824fad5169ac2cb021447dee277c73a6adca55b51445d464cd9eccdd260bfb040ab51471ecce07aa6f30fa") r3 = socket$inet6(0xa, 0x2, 0x0) semget(0x2, 0xe5be39030ad5b6bf, 0x200) connect$inet6(r3, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 563.690906][T27843] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 563.720673][T27854] gfs2: fsid=_h: Now mounting FS... [ 563.730755][T27843] CPU: 0 PID: 27843 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 563.738762][T27843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 563.738770][T27843] Call Trace: [ 563.738798][T27843] dump_stack+0x172/0x1f0 [ 563.738822][T27843] sysfs_warn_dup.cold+0x1c/0x31 [ 563.738840][T27843] sysfs_create_dir_ns+0x242/0x2a0 [ 563.738863][T27843] ? sysfs_create_mount_point+0xa0/0xa0 [ 563.773678][T27843] kobject_add_internal.cold+0xe5/0x5d4 [ 563.779246][T27843] kobject_init_and_add+0x101/0x160 [ 563.784451][T27843] ? kobject_add_internal+0x380/0x380 [ 563.789851][T27843] ? mark_held_locks+0xa4/0xf0 [ 563.794802][T27843] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 563.800292][T27843] gfs2_sys_fs_add+0x1aa/0x470 [ 563.805073][T27843] ? recover_store+0x160/0x160 [ 563.809854][T27843] ? retint_kernel+0x2d/0x2d [ 563.814473][T27843] fill_super+0x12f5/0x25c0 [ 563.819009][T27843] ? gfs2_online_uevent+0x1f0/0x1f0 [ 563.824226][T27843] ? snprintf+0xbb/0xf0 [ 563.828406][T27843] ? vsprintf+0x40/0x40 [ 563.832576][T27843] ? wait_for_completion+0x440/0x440 [ 563.837884][T27843] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 563.843619][T27843] ? set_blocksize+0x2bf/0x340 [ 563.848408][T27843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 563.854371][T27854] gfs2: not a GFS2 filesystem [ 563.854669][T27843] gfs2_mount+0x504/0x5de [ 563.859543][T27854] gfs2: fsid=_h: can't read superblock [ 563.863662][T27843] ? fill_super+0x25c0/0x25c0 [ 563.863703][T27843] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 563.863721][T27843] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 563.863744][T27843] ? fill_super+0x25c0/0x25c0 17:44:43 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xcb, 0x400000000000) 17:44:44 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @mcast2, 0x4}, 0x1c) [ 563.863762][T27843] legacy_get_tree+0xf2/0x200 [ 563.863782][T27843] vfs_get_tree+0x123/0x450 [ 563.863804][T27843] do_mount+0x1436/0x2c40 [ 563.870239][T27854] gfs2: fsid=_h: can't read superblock: -22 [ 563.873929][T27843] ? copy_mount_string+0x40/0x40 [ 563.873946][T27843] ? copy_mount_options+0x198/0x3a0 [ 563.873962][T27843] ? __sanitizer_cov_trace_pc+0x8/0x50 [ 563.873979][T27843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 563.873992][T27843] ? copy_mount_options+0x280/0x3a0 [ 563.874010][T27843] ksys_mount+0xdb/0x150 [ 563.874029][T27843] __x64_sys_mount+0xbe/0x150 [ 563.874047][T27843] ? do_syscall_64+0x5b/0x610 [ 563.874067][T27843] do_syscall_64+0x103/0x610 [ 563.914882][T27843] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.925695][T27843] RIP: 0033:0x45ac7a [ 563.925713][T27843] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 563.925721][T27843] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 563.925737][T27843] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 563.925746][T27843] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 563.925755][T27843] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 563.925763][T27843] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 563.925772][T27843] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 563.928777][T27843] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 563.942551][T27843] gfs2: fsid=_h: error -17 adding sysfs files 17:44:44 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x12', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:44 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0xc800, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xcc, 0x400000000000) 17:44:44 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:44 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:44 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Ffs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xcd, 0x400000000000) [ 564.366612][T27899] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 564.387097][T27899] gfs2: fsid=_h: Now mounting FS... [ 564.394011][T27899] gfs2: not a GFS2 filesystem [ 564.399103][T27899] gfs2: fsid=_h: can't read superblock [ 564.474842][T27899] gfs2: fsid=_h: can't read superblock: -22 17:44:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xce, 0x400000000000) 17:44:44 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x13', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xcf, 0x400000000000) [ 564.672503][T27913] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 564.681392][T27913] gfs2: fsid=_h: Now mounting FS... [ 564.697780][T27913] gfs2: not a GFS2 filesystem [ 564.702887][T27913] gfs2: fsid=_h: can't read superblock [ 564.709488][T27913] gfs2: fsid=_h: can't read superblock: -22 [ 564.774514][T27930] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 564.781574][T27930] CPU: 1 PID: 27930 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 564.789563][T27930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 564.799635][T27930] Call Trace: [ 564.802954][T27930] dump_stack+0x172/0x1f0 [ 564.807360][T27930] sysfs_warn_dup.cold+0x1c/0x31 [ 564.812329][T27930] sysfs_create_dir_ns+0x242/0x2a0 [ 564.817458][T27930] ? sysfs_create_mount_point+0xa0/0xa0 [ 564.823058][T27930] kobject_add_internal.cold+0xe5/0x5d4 [ 564.828627][T27930] kobject_init_and_add+0x101/0x160 [ 564.833842][T27930] ? kobject_add_internal+0x380/0x380 [ 564.839231][T27930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 564.845493][T27930] ? vsnprintf+0x58b/0x1af0 [ 564.850028][T27930] gfs2_sys_fs_add+0x1aa/0x470 [ 564.854809][T27930] ? recover_store+0x160/0x160 [ 564.859583][T27930] ? snprintf+0xbb/0xf0 [ 564.863747][T27930] ? vscnprintf+0x60/0x80 [ 564.868088][T27930] ? set_blocksize+0x2bf/0x340 [ 564.872871][T27930] ? memcpy+0x46/0x50 [ 564.876871][T27930] fill_super+0x12f5/0x25c0 [ 564.881408][T27930] ? gfs2_online_uevent+0x1f0/0x1f0 [ 564.886616][T27930] ? snprintf+0xbb/0xf0 [ 564.890782][T27930] ? vsprintf+0x40/0x40 [ 564.894953][T27930] ? wait_for_completion+0x440/0x440 [ 564.900250][T27930] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 564.905979][T27930] ? set_blocksize+0x2bf/0x340 [ 564.910791][T27930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 564.917132][T27930] gfs2_mount+0x504/0x5de [ 564.921477][T27930] ? fill_super+0x25c0/0x25c0 [ 564.926296][T27930] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 564.932552][T27930] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 564.938306][T27930] ? fill_super+0x25c0/0x25c0 [ 564.943001][T27930] legacy_get_tree+0xf2/0x200 [ 564.947687][T27930] vfs_get_tree+0x123/0x450 [ 564.952288][T27930] do_mount+0x1436/0x2c40 [ 564.956636][T27930] ? copy_mount_string+0x40/0x40 [ 564.961680][T27930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 564.967922][T27930] ? copy_mount_options+0x280/0x3a0 [ 564.973129][T27930] ksys_mount+0xdb/0x150 [ 564.977395][T27930] __x64_sys_mount+0xbe/0x150 [ 564.982085][T27930] do_syscall_64+0x103/0x610 [ 564.986687][T27930] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 564.992582][T27930] RIP: 0033:0x45ac7a [ 564.996487][T27930] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 565.016190][T27930] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 17:44:45 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 565.024634][T27930] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 565.032613][T27930] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 565.040591][T27930] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 565.048594][T27930] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 565.056587][T27930] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 565.126829][T27930] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 565.143599][T27930] gfs2: fsid=_h: error -17 adding sysfs files 17:44:45 executing program 3: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x28, 0x1, &(0x7f0000000140)=0x7fff, 0x8) r1 = open(&(0x7f0000000000)='./file0\x00', 0x204100, 0x100) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r1, 0x40505331, &(0x7f0000000040)={{0x7, 0x7}, {0x1, 0x9}, 0x6f, 0x0, 0x7}) r2 = socket$inet6(0xa, 0xa, 0x0) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x1, @remote, 0x4}, 0xfffffdba) ioctl$VIDIOC_QBUF(r1, 0xc058560f, &(0x7f00000001c0)={0x9, 0x3, 0x4, 0x0, {0x0, 0x2710}, {0x2, 0x2, 0x7f, 0x4, 0x6, 0xc944, "2193ee01"}, 0x0, 0x3, @planes=&(0x7f0000000100)={0x6, 0xc7, @mem_offset=0x6, 0x2}, 0x4}) syz_init_net_socket$rose(0xb, 0x5, 0x0) 17:44:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd0, 0x400000000000) 17:44:45 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:45 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd1, 0x400000000000) 17:44:45 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x14', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:45 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Ifs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:45 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x20000000, 0xfffffffffffffe3a, @remote, 0x4}, 0x1c) r1 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0xb54, 0x100) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000080)={0x0, 0xf1, "bffaaabb42d91b054f9d2714e462e48d91d0c60985120383ed85dea51caf184bdc12423e7fffcf740fccffe57b4f54e0740076208b52edacd9cba9b00de03f16a3df802d816d8c68119a2bbca25a9be56c09847d9cfa287de300bfac086fcac7fdfb34948cf3d0ad64e24207bdea3c4de666ec8396a51f1d7b263790364926240ed9d5d3d761bee174c8c9e327a1531fb3dbafe3c01affcef6b7bf169820a9fb4399dc958a9fb77e1be3db257697d5589ea023977319d3dd7760a183521bfe75646b198b5da14d27d811200f1df3257b059a4a06489a9cc7b5bc54471bc65ef3cdd9964526bfa1a4721385413be236c723"}, &(0x7f0000000180)=0xf9) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f00000001c0)={r2, 0x3}, &(0x7f0000000200)=0x8) [ 565.534495][T27978] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 565.594480][T27978] gfs2: fsid=_h: Now mounting FS... [ 565.601046][T27972] sysfs: cannot create duplicate filename '/fs/gfs2/_h' 17:44:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd2, 0x400000000000) [ 565.637884][T27978] gfs2: not a GFS2 filesystem [ 565.669906][T27972] CPU: 0 PID: 27972 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 565.677950][T27972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 565.688038][T27972] Call Trace: [ 565.690536][T27978] gfs2: fsid=_h: can't read superblock [ 565.691354][T27972] dump_stack+0x172/0x1f0 [ 565.691401][T27972] sysfs_warn_dup.cold+0x1c/0x31 [ 565.706265][T27972] sysfs_create_dir_ns+0x242/0x2a0 [ 565.711410][T27972] ? sysfs_create_mount_point+0xa0/0xa0 [ 565.716728][T27978] gfs2: fsid=_h: can't read superblock: -22 [ 565.716988][T27972] kobject_add_internal.cold+0xe5/0x5d4 [ 565.728449][T27972] kobject_init_and_add+0x101/0x160 [ 565.733664][T27972] ? kobject_add_internal+0x380/0x380 [ 565.739059][T27972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 565.745315][T27972] ? vsnprintf+0x58b/0x1af0 [ 565.749842][T27972] gfs2_sys_fs_add+0x1aa/0x470 [ 565.754808][T27972] ? recover_store+0x160/0x160 [ 565.759585][T27972] ? snprintf+0xbb/0xf0 [ 565.763772][T27972] ? vscnprintf+0x60/0x80 [ 565.768135][T27972] ? set_blocksize+0x2bf/0x340 [ 565.773006][T27972] ? memcpy+0x46/0x50 [ 565.777012][T27972] fill_super+0x12f5/0x25c0 [ 565.781539][T27972] ? gfs2_online_uevent+0x1f0/0x1f0 [ 565.786759][T27972] ? snprintf+0xbb/0xf0 [ 565.786776][T27972] ? vsprintf+0x40/0x40 [ 565.786799][T27972] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 565.786815][T27972] ? set_blocksize+0x2bf/0x340 [ 565.786832][T27972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 565.786849][T27972] gfs2_mount+0x504/0x5de [ 565.786868][T27972] ? fill_super+0x25c0/0x25c0 [ 565.786918][T27972] ? fill_super+0x25c0/0x25c0 [ 565.786935][T27972] legacy_get_tree+0xf2/0x200 [ 565.786951][T27972] vfs_get_tree+0x123/0x450 [ 565.786966][T27972] do_mount+0x1436/0x2c40 [ 565.786987][T27972] ? copy_mount_string+0x40/0x40 [ 565.787002][T27972] ? copy_mount_options+0x198/0x3a0 [ 565.787017][T27972] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 565.787034][T27972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 565.787047][T27972] ? copy_mount_options+0x280/0x3a0 17:44:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd3, 0x400000000000) [ 565.787066][T27972] ksys_mount+0xdb/0x150 [ 565.806167][T27972] __x64_sys_mount+0xbe/0x150 [ 565.830803][T27972] ? do_syscall_64+0x5b/0x610 [ 565.830822][T27972] do_syscall_64+0x103/0x610 [ 565.830844][T27972] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 565.830857][T27972] RIP: 0033:0x45ac7a [ 565.830872][T27972] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 565.830880][T27972] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 565.861733][T27972] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 565.861743][T27972] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 565.861752][T27972] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 565.861761][T27972] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 565.861770][T27972] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:44:46 executing program 3: r0 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) setsockopt$netrom_NETROM_IDLE(r0, 0x103, 0x7, &(0x7f0000000040)=0x3, 0x4) r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x2, @local, 0x4}, 0x1c) r2 = getpgrp(0xffffffffffffffff) prctl$PR_SET_PTRACER(0x59616d61, r2) [ 565.875838][T27972] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 565.929207][T27972] gfs2: fsid=_h: error -17 adding sysfs files 17:44:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd4, 0x400000000000) 17:44:46 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Kfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000000)=0x4) [ 566.225135][T28019] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 566.233885][T28019] gfs2: fsid=_h: Now mounting FS... [ 566.242859][T28019] gfs2: not a GFS2 filesystem [ 566.272037][T28019] gfs2: fsid=_h: can't read superblock [ 566.326855][T28019] gfs2: fsid=_h: can't read superblock: -22 17:44:46 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:46 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:46 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x15', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket(0x40000000010, 0x2, 0xc) write(r1, &(0x7f00000001c0)="1f0000000104ff00fd4354c007110000f305010008000100010423dcffdf00", 0x1f) write(r1, &(0x7f0000000200)="1f0000000104fffff13b54c007110009f30501000b00044000002001000060", 0x1f) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd5, 0x400000000000) 17:44:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd6, 0x400000000000) [ 566.543586][T28047] netlink: 3 bytes leftover after parsing attributes in process `syz-executor.3'. [ 566.554524][T28047] netlink: 'syz-executor.3': attribute type 4 has an invalid length. [ 566.579316][T28051] netlink: 3 bytes leftover after parsing attributes in process `syz-executor.3'. [ 566.589678][T28047] netlink: 'syz-executor.3': attribute type 4 has an invalid length. 17:44:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0xfffffffffffffffe, @remote, 0x7f}, 0x252) 17:44:46 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Mfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 566.794581][T28061] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 566.801631][T28061] CPU: 1 PID: 28061 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 566.809616][T28061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 566.819682][T28061] Call Trace: [ 566.823005][T28061] dump_stack+0x172/0x1f0 [ 566.827360][T28061] sysfs_warn_dup.cold+0x1c/0x31 [ 566.832333][T28061] sysfs_create_dir_ns+0x242/0x2a0 [ 566.837458][T28061] ? sysfs_create_mount_point+0xa0/0xa0 17:44:47 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd7, 0x400000000000) [ 566.843042][T28061] kobject_add_internal.cold+0xe5/0x5d4 [ 566.844991][T28049] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 566.848717][T28061] kobject_init_and_add+0x101/0x160 [ 566.848733][T28061] ? kobject_add_internal+0x380/0x380 [ 566.848755][T28061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 566.848772][T28061] ? vsnprintf+0x58b/0x1af0 [ 566.848800][T28061] gfs2_sys_fs_add+0x1aa/0x470 [ 566.848818][T28061] ? recover_store+0x160/0x160 [ 566.848837][T28061] ? snprintf+0xbb/0xf0 17:44:47 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x16', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:47 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f0000000000)={0x5, {{0xa, 0x4e23, 0x0, @remote, 0x101}}}, 0x88) [ 566.848853][T28061] ? vscnprintf+0x60/0x80 [ 566.848878][T28061] ? set_blocksize+0x2bf/0x340 [ 566.873539][T28049] gfs2: fsid=_h: Now mounting FS... [ 566.877724][T28061] ? memcpy+0x46/0x50 [ 566.877750][T28061] fill_super+0x12f5/0x25c0 [ 566.877782][T28061] ? gfs2_online_uevent+0x1f0/0x1f0 [ 566.877802][T28061] ? snprintf+0xbb/0xf0 [ 566.877818][T28061] ? vsprintf+0x40/0x40 [ 566.877840][T28061] ? wait_for_completion+0x440/0x440 [ 566.877857][T28061] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 566.877873][T28061] ? set_blocksize+0x2bf/0x340 [ 566.877892][T28061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 566.877913][T28061] gfs2_mount+0x504/0x5de [ 566.877932][T28061] ? fill_super+0x25c0/0x25c0 [ 566.877971][T28061] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 566.877990][T28061] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 566.878029][T28061] ? fill_super+0x25c0/0x25c0 [ 566.892850][T28049] gfs2: not a GFS2 filesystem [ 566.896030][T28061] legacy_get_tree+0xf2/0x200 [ 566.896050][T28061] vfs_get_tree+0x123/0x450 [ 566.896067][T28061] do_mount+0x1436/0x2c40 [ 566.896091][T28061] ? copy_mount_string+0x40/0x40 [ 566.896117][T28061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 566.896130][T28061] ? copy_mount_options+0x280/0x3a0 [ 566.896149][T28061] ksys_mount+0xdb/0x150 [ 566.896167][T28061] __x64_sys_mount+0xbe/0x150 [ 566.896189][T28061] do_syscall_64+0x103/0x610 [ 566.896210][T28061] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 566.896223][T28061] RIP: 0033:0x45ac7a [ 566.896238][T28061] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 566.896247][T28061] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 566.896262][T28061] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 566.896272][T28061] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 566.896282][T28061] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 566.896291][T28061] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 566.896300][T28061] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 566.919755][T28061] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 566.932980][T28049] gfs2: fsid=_h: can't read superblock [ 566.937474][T28061] gfs2: fsid=_h: error -17 adding sysfs files [ 566.942908][T28049] gfs2: fsid=_h: can't read superblock: -22 17:44:47 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd8, 0x400000000000) 17:44:47 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:47 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:47 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xd9, 0x400000000000) 17:44:47 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Nfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:47 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x1) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x800, 0x0) write$P9_RLOPEN(r1, &(0x7f00000000c0)={0x18, 0xd, 0x1, {{0x4a, 0x1, 0x3}, 0x9}}, 0x18) r2 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0xffffffffffffffff, 0x82) ioctl$PPPIOCGIDLE(r2, 0x8010743f, &(0x7f0000000040)) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 567.715748][T28105] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:47 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x17', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 567.776584][T28105] gfs2: fsid=_h: Now mounting FS... [ 567.790529][T28105] gfs2: not a GFS2 filesystem [ 567.814023][T28105] gfs2: fsid=_h: can't read superblock 17:44:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xda, 0x400000000000) [ 567.846841][T28105] gfs2: fsid=_h: can't read superblock: -22 17:44:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000180)='/dev/usbmon#\x00', 0x10040000008, 0x1000000000400002) ioctl$BLKRRPART(r1, 0x125f, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xdb, 0x400000000000) [ 568.072457][T28120] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 568.114919][T28150] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 568.122074][T28150] CPU: 1 PID: 28150 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 568.130074][T28150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 568.140152][T28150] Call Trace: [ 568.143470][T28150] dump_stack+0x172/0x1f0 [ 568.147835][T28150] sysfs_warn_dup.cold+0x1c/0x31 [ 568.152801][T28150] sysfs_create_dir_ns+0x242/0x2a0 [ 568.153372][T28120] gfs2: fsid=_h: Now mounting FS... [ 568.157955][T28150] ? sysfs_create_mount_point+0xa0/0xa0 [ 568.157990][T28150] kobject_add_internal.cold+0xe5/0x5d4 [ 568.158019][T28150] kobject_init_and_add+0x101/0x160 [ 568.158036][T28150] ? kobject_add_internal+0x380/0x380 [ 568.158057][T28150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 568.158073][T28150] ? vsnprintf+0x58b/0x1af0 [ 568.158100][T28150] gfs2_sys_fs_add+0x1aa/0x470 [ 568.168848][T28120] gfs2: not a GFS2 filesystem [ 568.169100][T28150] ? recover_store+0x160/0x160 [ 568.169123][T28150] ? snprintf+0xbb/0xf0 [ 568.169140][T28150] ? vscnprintf+0x60/0x80 [ 568.169160][T28150] ? set_blocksize+0x2bf/0x340 [ 568.169182][T28150] ? memcpy+0x46/0x50 [ 568.175290][T28120] gfs2: fsid=_h: can't read superblock [ 568.179932][T28150] fill_super+0x12f5/0x25c0 [ 568.179966][T28150] ? gfs2_online_uevent+0x1f0/0x1f0 [ 568.179984][T28150] ? snprintf+0xbb/0xf0 [ 568.180006][T28150] ? vsprintf+0x40/0x40 [ 568.180028][T28150] ? wait_for_completion+0x440/0x440 [ 568.180045][T28150] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 568.180060][T28150] ? set_blocksize+0x2bf/0x340 [ 568.180080][T28150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 568.180101][T28150] gfs2_mount+0x504/0x5de [ 568.180121][T28150] ? fill_super+0x25c0/0x25c0 [ 568.180160][T28150] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 568.180179][T28150] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 568.180204][T28150] ? fill_super+0x25c0/0x25c0 [ 568.180228][T28150] legacy_get_tree+0xf2/0x200 [ 568.186072][T28120] gfs2: fsid=_h: can't read superblock: -22 [ 568.191827][T28150] vfs_get_tree+0x123/0x450 [ 568.191843][T28150] do_mount+0x1436/0x2c40 [ 568.191866][T28150] ? copy_mount_string+0x40/0x40 [ 568.191891][T28150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 568.191905][T28150] ? copy_mount_options+0x280/0x3a0 [ 568.191925][T28150] ksys_mount+0xdb/0x150 [ 568.191941][T28150] __x64_sys_mount+0xbe/0x150 [ 568.191963][T28150] do_syscall_64+0x103/0x610 [ 568.191985][T28150] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 568.354604][T28150] RIP: 0033:0x45ac7a [ 568.358800][T28150] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 568.378590][T28150] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 568.387021][T28150] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 568.395026][T28150] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 568.403018][T28150] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 17:44:48 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Ofs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 568.411082][T28150] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 568.419264][T28150] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 568.453762][T28150] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. 17:44:48 executing program 3: r0 = socket$inet6(0xa, 0x80001, 0x4) r1 = accept(r0, &(0x7f0000000000)=@can, &(0x7f0000000080)=0x80) getsockopt$inet_mreqn(r1, 0x0, 0x0, &(0x7f00000000c0)={@empty, @local}, &(0x7f0000000140)=0xc) r2 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xdc, 0x400000000000) [ 568.573398][T28150] gfs2: fsid=_h: error -17 adding sysfs files 17:44:48 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:48 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:48 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x18', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:48 executing program 3: r0 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x2, 0x400000) tee(r0, r1, 0x7f, 0x6) r2 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r3 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x1f, 0x180) ioctl$FS_IOC_ENABLE_VERITY(r2, 0x6685) ioctl$LOOP_CLR_FD(r3, 0x4c01) socket$inet6_udplite(0xa, 0x2, 0x88) 17:44:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xdd, 0x400000000000) [ 568.955951][T28194] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 568.991132][T28194] gfs2: fsid=_h: Now mounting FS... 17:44:49 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xde, 0x400000000000) 17:44:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x8001, 0x0) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f0000000040)) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000080)='team\x00') getpeername$packet(r1, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000140)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000180)={'team0\x00', 0x0}) getsockopt$inet6_mreq(r1, 0x29, 0x1c, &(0x7f00000001c0)={@mcast1, 0x0}, &(0x7f0000000200)=0x14) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000300)={{{@in6, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@multicast2}}, &(0x7f0000000400)=0xe8) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f00000018c0)={0x0, @remote, @multicast2}, &(0x7f0000001900)=0xc) recvmsg(r1, &(0x7f0000001bc0)={&(0x7f0000001a00)=@xdp={0x2c, 0x0, 0x0}, 0x80, &(0x7f0000001ac0)=[{&(0x7f0000001a80)=""/47, 0x2f}], 0x1, &(0x7f0000001b00)=""/171, 0xab}, 0x40000040) getsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000001c00)={@rand_addr, 0x0}, &(0x7f0000001c40)=0x14) getpeername$packet(r1, &(0x7f0000002680)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f00000026c0)=0x14) ioctl$sock_bt_bnep_BNEPCONNADD(r1, 0x400442c8, &(0x7f0000000500)={r1, 0x2, 0x4, "1e44ddfcde39d88ba3c91094e07e7598815268c8cf81d235f28332bc4ee1919f6e5b499ea850a9524eebb74c87d3e8a26fc3aa933d3d7fe2abab6cc0489d104c45e8dc6a4bf0ec39aa58a1ffe769e812a64b96e95321dacb0a5102c9eb0e58d7ff081bdd9aa8873f738adf30605276ff55d6acb9943a6fc30402e56845825a429a72bbc1df1f3533f0d56a351ac1037b1d85ce0ae6a040d820c7b2351fc7474008876103b028000268a291b53dfb7a8561a8231b049c63c1cb8e8f5bfc45ea0b2ac4af"}) getsockopt$inet_pktinfo(0xffffffffffffff9c, 0x0, 0x8, &(0x7f0000002700)={0x0, @remote, @empty}, &(0x7f0000002740)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000002780)={{{@in=@multicast2, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@initdev}}, &(0x7f0000002880)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f00000028c0)={{{@in=@dev, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@remote}}, &(0x7f00000029c0)=0xe8) sendmsg$TEAM_CMD_NOOP(r1, &(0x7f0000002e80)={&(0x7f0000000040), 0xc, &(0x7f0000002e40)={&(0x7f0000002a00)={0x440, r2, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [{{0x8, 0x1, r3}, {0xb4, 0x2, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8}, {0x8, 0x4, r4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8}, {0x8, 0x4, 0x7}}}]}}, {{0x8, 0x1, r5}, {0x100, 0x2, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8}, {0x8, 0x4, r6}}, {0x8}}}, {0x44, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8}, {0x14, 0x4, 'activebackup\x00'}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8}, {0x8, 0x4, 0x6}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8}, {0x8, 0x4, 0x1}}, {0x8, 0x6, r7}}}]}}, {{0x8, 0x1, r8}, {0x1a4, 0x2, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8}, {0x8, 0x4, 0x2}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8}, {0x4}}, {0x8, 0x6, r9}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8}, {0x8, 0x4, 0x7}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8}, {0x8, 0x4, r10}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8}, {0x8, 0x4, 0xffff}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8}, {0x4}}, {0x8, 0x6, r11}}}]}}, {{0x8, 0x1, r12}, {0xb4, 0x2, [{0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8}, {0x8, 0x4, 0xfff}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8}, {0x8, 0x4, 0xfffffffffffffffc}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8}, {0x8, 0x4, 0x67fb}}, {0x8, 0x6, r13}}}]}}]}, 0x440}}, 0x4000) r14 = add_key$keyring(&(0x7f0000000240)='keyring\x00', &(0x7f0000000280)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) keyctl$read(0xb, r14, &(0x7f0000000440)=""/176, 0xb0) 17:44:49 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Rfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 569.035323][T28194] gfs2: not a GFS2 filesystem [ 569.053676][T28194] gfs2: fsid=_h: can't read superblock [ 569.059450][T28194] gfs2: fsid=_h: can't read superblock: -22 [ 569.236465][T28226] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 569.245333][T28200] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 569.262827][T28226] CPU: 1 PID: 28226 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 569.270868][T28226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 569.279024][T28200] gfs2: fsid=_h: Now mounting FS... 17:44:49 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xdf, 0x400000000000) 17:44:49 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x1) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0xfffffffffffffe29) r1 = dup3(r0, r0, 0x80000) ioctl$KVM_SET_LAPIC(r1, 0x4400ae8f, &(0x7f0000000140)={"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"}) write$FUSE_IOCTL(r0, &(0x7f0000000000)={0x20, 0x0, 0x6, {0x80, 0x0, 0x7, 0x1f}}, 0x20) [ 569.280939][T28226] Call Trace: [ 569.280970][T28226] dump_stack+0x172/0x1f0 [ 569.281002][T28226] sysfs_warn_dup.cold+0x1c/0x31 [ 569.281029][T28226] sysfs_create_dir_ns+0x242/0x2a0 [ 569.303964][T28226] ? sysfs_create_mount_point+0xa0/0xa0 [ 569.309766][T28226] kobject_add_internal.cold+0xe5/0x5d4 [ 569.315433][T28226] kobject_init_and_add+0x101/0x160 [ 569.320657][T28226] ? kobject_add_internal+0x380/0x380 [ 569.326668][T28226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 569.331014][T28200] gfs2: not a GFS2 filesystem [ 569.332925][T28226] ? vsnprintf+0x58b/0x1af0 [ 569.332957][T28226] gfs2_sys_fs_add+0x1aa/0x470 [ 569.332975][T28226] ? recover_store+0x160/0x160 [ 569.333002][T28226] ? snprintf+0xbb/0xf0 [ 569.333019][T28226] ? vscnprintf+0x60/0x80 [ 569.333041][T28226] ? set_blocksize+0x2bf/0x340 [ 569.338043][T28200] gfs2: fsid=_h: can't read superblock [ 569.342298][T28226] ? memcpy+0x46/0x50 [ 569.342325][T28226] fill_super+0x12f5/0x25c0 [ 569.342356][T28226] ? gfs2_online_uevent+0x1f0/0x1f0 [ 569.342377][T28226] ? snprintf+0xbb/0xf0 [ 569.347706][T28200] gfs2: fsid=_h: can't read superblock: -22 [ 569.351890][T28226] ? vsprintf+0x40/0x40 [ 569.351912][T28226] ? wait_for_completion+0x440/0x440 [ 569.351928][T28226] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 569.351944][T28226] ? set_blocksize+0x2bf/0x340 [ 569.351964][T28226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 569.351986][T28226] gfs2_mount+0x504/0x5de [ 569.352011][T28226] ? fill_super+0x25c0/0x25c0 [ 569.431729][T28226] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 569.438013][T28226] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 569.443673][T28226] ? fill_super+0x25c0/0x25c0 [ 569.448363][T28226] legacy_get_tree+0xf2/0x200 [ 569.453099][T28226] vfs_get_tree+0x123/0x450 [ 569.458571][T28226] do_mount+0x1436/0x2c40 [ 569.462921][T28226] ? copy_mount_string+0x40/0x40 [ 569.467884][T28226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 569.474131][T28226] ? copy_mount_options+0x280/0x3a0 [ 569.479346][T28226] ksys_mount+0xdb/0x150 [ 569.483614][T28226] __x64_sys_mount+0xbe/0x150 [ 569.488309][T28226] do_syscall_64+0x103/0x610 [ 569.492953][T28226] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 569.498855][T28226] RIP: 0033:0x45ac7a [ 569.502762][T28226] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 569.525722][T28226] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 569.534156][T28226] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 569.542151][T28226] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 569.550143][T28226] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 569.558156][T28226] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 569.566170][T28226] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:44:49 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x19', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 569.577833][T28226] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 569.591085][T28226] gfs2: fsid=_h: error -17 adding sysfs files 17:44:49 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:49 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe0, 0x400000000000) 17:44:50 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x28002, 0x0) setsockopt$ax25_int(r1, 0x101, 0xf, &(0x7f0000000040)=0x4, 0x4) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:50 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Sfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x0, 0x0) sendmsg$kcm(r1, &(0x7f0000002980)={&(0x7f0000000040)=@pppol2tp={0x18, 0x1, {0x0, r0, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x100000001}}, 0x2, 0x2, 0x4, 0x4}}, 0x80, &(0x7f0000000480)=[{&(0x7f0000000140)="e7be4defd1ce52540b5321c4c97780a990f22d077e7e515967883344b968479d4604bad233b6bb6afe6fdeccc749852d5f8c5b12f248b3e6a1d2614b3ca122b14e47784941d15e0b1402a089508e67d9daed712d192545d2216cc7f6bca11c77c93695910875e2f04c9b0ef78e7b0e36c72fc6cdf0d96a5780c4aed34679", 0x7e}, {&(0x7f00000001c0)="a5a632355fcea9f0c63be254842347d94f515aa45700bc0033d3beb9770ab476382ccafae190aaf69f218d92ec83b36f9263499e858f8d334295d0b3ef7fdccc86d9c3005890b9640368d68308d2f95e366a0eb24319d9169b895fc861838416e528a42271edf264a694ccdfa0218a62b6b202f8c3d023cf938bb9ca111c1abe67adb6d9db8c12d14215a214bd9a31b4029419aef079c0d17332ddee36b6b387fc4237", 0xa3}, {&(0x7f0000000280)="1a8ea1370e6bcb304b259210b50ba46ee062101b274709930b73b737f47fa6f94353f62a2b723445f610d7bee30c26ca238b48452d2f5c10869d065722f120775d2dac772c8211166647e7cb75cacbc5d859cc2a810105d8b4a2476389e922e65447d45eeb089a65ff161fdc261e8f9303c9779833835b5fa5fb409f12b96bc06affecd174b40ed17a645c2ed0d9be4d0580b80cf5c5246ca5c191ac563100c239cd706f8a9308877e3bae1d1a5ef0d7", 0xb0}, {&(0x7f00000000c0)="ffa80227215ade47aacb4599f3297a5de601730a77f02f06e0166f7a35a87e9f12ad849072b55f2e987ed0d26b1268619b23bd195b83fa564bc7e9ba43fd", 0x3e}, {&(0x7f0000000340)="6b732792630ca7201872055850600218693a7297c6bc95735fd0a7716ba52620f67e4f8ef902da5f448b1f792e4d5ec006d90b971b3153238c3ec7c8789523387efffbb22cb45ec78fb25f7ad677ac0d0ea4af05a179ca0dd6a1427adee560f03094c9af5c6b02b9ff2c8635c4483798f2ca86333740fe5955d19c088826a9209a8c2a4bb4478f691df87c9ba7056901e8c2ea3439936c6eb937fe3ee1d6c6e38d16d1859ab1faed3645bbae99a18fb09a71d35a34d4885f9c2f9c5843fd7c43b60450882b24e1e0", 0xc8}, {&(0x7f0000000440)="9ac8ed9f21532d256ffaa92fa14e234655f35c4e1b9f797ebeee295bd1daf8ff252b479f2ca4990744e148c3", 0x2c}], 0x6, &(0x7f0000000500)=[{0x1010, 0x11f, 0x8, 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{0x90, 0x10b, 0x2, "ed0e4db16ba84f8499a4a1f29dbd517ca757fc9aa713ba224cd70b2895c527d67ff6f112fb14167e2083e46e2bd8deb40f8cc46d21a744a51ff54b7130425ae5ebcc11a7f75b2c942ae849876f22e373b521b5d1190c9043da232645f55d19087f5c39a60b6cbe642d1576bad8f8e1b1c1924f0d9c0103c85a4e"}, {0x58, 0x3a, 0x1f, "c68da5a64c1a3f7edcb2b65173e165716c7d64305facb7793363d68c3e8cc5dcd723ed78dbc91ff2dafa05f7f291ef54c9172964ef78c9e8c517b8c60ecfa014e5077ef437baa87c"}, {0x108, 0x117, 0x101, "0f153ce26c29b4153301899f98498c6065586743695971eb222b15e81aec0e9a619289a6a9d916f5a00fc7f2cf69a5544fe6d86a48daf80a86a41bf5f969585fe3d00b3d69035a730fd0771a5f671c263679677b296e6c43b0c1d1cad01ac03990574fe1ff44b47a8f874264bb910ae8d9a37cd1f6e8a9a1edd09f10dd096be404f4bacc8986c9fd4031d372ef41ec59295edaff2fc603d52dfd4f7c36c39fcdda6976509e18853a14985af22c3b29ef89f2eecd803b826225554747666a5038ec4425e8d001946d8dd961bf3abb1fda07e19cda810736595140b0705a167c206ed50e03413f40c5b62a1b05795b01c9fef1"}, {0xa8, 0x10d, 0x2, "b328627913680e8b80090e54fb871150f904edce999c5298ac69a402c09433a79f8d256971050698079f5b3473f3deedb04cfccc2475c9006ac51e030954366528f24a6cdb4516b55407ec7852e4e7dbbff9ded6939867ef032560c1993a9e197246879c21e4570a4ca0e35764b920c4e428682532105f082ae3ef62e5d812cd4ed790a3b608be718b4ce3f7f6535878ef9576ae0cd6a1b1"}, {0x30, 0x105, 0xffffffffffffffdf, "f882be2401d6aebdf4e8281165fb5746833b05415504ada549"}], 0x2460}, 0x20000040) [ 570.008340][T28256] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:50 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe1, 0x400000000000) [ 570.082677][T28256] gfs2: fsid=_h: Now mounting FS... [ 570.160819][T28256] gfs2: not a GFS2 filesystem 17:44:50 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x1a', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 570.193801][T28256] gfs2: fsid=_h: can't read superblock [ 570.218110][T28256] gfs2: fsid=_h: can't read superblock: -22 17:44:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x4b) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:50 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe2, 0x400000000000) [ 570.329744][T28275] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 570.337495][T28275] gfs2: fsid=_h: Now mounting FS... [ 570.371739][T28275] gfs2: not a GFS2 filesystem [ 570.393372][T28275] gfs2: fsid=_h: can't read superblock [ 570.400479][T28275] gfs2: fsid=_h: can't read superblock: -22 [ 570.454273][T28301] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 570.461324][T28301] CPU: 1 PID: 28301 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 570.469308][T28301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 570.479378][T28301] Call Trace: [ 570.482707][T28301] dump_stack+0x172/0x1f0 [ 570.487063][T28301] sysfs_warn_dup.cold+0x1c/0x31 [ 570.492024][T28301] sysfs_create_dir_ns+0x242/0x2a0 [ 570.497156][T28301] ? sysfs_create_mount_point+0xa0/0xa0 [ 570.502734][T28301] kobject_add_internal.cold+0xe5/0x5d4 [ 570.508301][T28301] kobject_init_and_add+0x101/0x160 [ 570.513616][T28301] ? kobject_add_internal+0x380/0x380 [ 570.519021][T28301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 570.525285][T28301] ? vsnprintf+0x58b/0x1af0 [ 570.529896][T28301] gfs2_sys_fs_add+0x1aa/0x470 [ 570.534677][T28301] ? recover_store+0x160/0x160 [ 570.541007][T28301] ? snprintf+0xbb/0xf0 [ 570.541025][T28301] ? vscnprintf+0x60/0x80 [ 570.541045][T28301] ? set_blocksize+0x2bf/0x340 [ 570.541066][T28301] ? memcpy+0x46/0x50 [ 570.541089][T28301] fill_super+0x12f5/0x25c0 [ 570.562811][T28301] ? gfs2_online_uevent+0x1f0/0x1f0 [ 570.568031][T28301] ? snprintf+0xbb/0xf0 [ 570.568048][T28301] ? vsprintf+0x40/0x40 [ 570.568069][T28301] ? wait_for_completion+0x440/0x440 [ 570.568085][T28301] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 570.568100][T28301] ? set_blocksize+0x2bf/0x340 [ 570.568118][T28301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.568141][T28301] gfs2_mount+0x504/0x5de [ 570.576451][T28301] ? fill_super+0x25c0/0x25c0 [ 570.576489][T28301] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 570.576509][T28301] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 570.576533][T28301] ? fill_super+0x25c0/0x25c0 [ 570.576552][T28301] legacy_get_tree+0xf2/0x200 [ 570.576579][T28301] vfs_get_tree+0x123/0x450 [ 570.603965][T28301] do_mount+0x1436/0x2c40 [ 570.603991][T28301] ? copy_mount_string+0x40/0x40 [ 570.604023][T28301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.604036][T28301] ? copy_mount_options+0x280/0x3a0 [ 570.604054][T28301] ksys_mount+0xdb/0x150 [ 570.604070][T28301] __x64_sys_mount+0xbe/0x150 [ 570.604091][T28301] do_syscall_64+0x103/0x610 [ 570.604114][T28301] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.674485][T28301] RIP: 0033:0x45ac7a [ 570.678404][T28301] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 570.698028][T28301] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 570.706457][T28301] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 570.714446][T28301] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 570.722434][T28301] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 570.730513][T28301] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 570.738500][T28301] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:44:50 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe3, 0x400000000000) 17:44:50 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Ufs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 570.751711][T28301] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 570.803449][T28301] gfs2: fsid=_h: error -17 adding sysfs files 17:44:51 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = request_key(&(0x7f0000000000)='rxrpc_s\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000080)='\x00', 0xfffffffffffffffd) keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f00000000c0)={r1, 0x7, 0x8cbd}, 0x0, &(0x7f0000000140)="2fe39022b4e12559ceae9453e7ea3e375b813561f97dce5d354d7b511585fb83f6e28f85700aca8d05003290f8e1920d974dc66348a804d9b1eb45ed5e8e18228b2dd2a9681b6ca6e6812783c10bae89e6764fedb5ad5bd988d0e6a8d44a5c2cda75f49ac43eb1bcd2e702794c9a73a511ce798fce08dfd0360387c49a05b203fae403f49f049db77ce4f29de028ba6644ee7d9a6f4d72", &(0x7f0000000200)=""/214) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:51 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe4, 0x400000000000) 17:44:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) socket$inet_smc(0x2b, 0x1, 0x0) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) write$P9_RLOPEN(r1, &(0x7f00000019c0)={0x18, 0xd, 0x1, {{0x40, 0x4, 0x6}, 0x6}}, 0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000001c80)={0x0, 0x1c, &(0x7f0000001c40)=[@in6={0xa, 0x4e24, 0xfff, @loopback, 0x4800000000000000}]}, &(0x7f0000001cc0)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000001bc0)={r2, 0x5c, "593d310a7b8a5402d79aa2cf35ee42644512f201532670b5393baf2343ef3267d37d00e1798ef47989de354a7deb73221592052b7fafc6dd47630000000000000003442431530000dbfc49448a374544224a3510a1957c56600d5eaa"}, &(0x7f0000001940)=0x64) openat$null(0xffffffffffffff9c, &(0x7f0000001980)='/dev/null\x00', 0x101000, 0x0) sendmmsg$inet_sctp(r1, &(0x7f0000001ac0)=[{&(0x7f0000000040)=@in6={0xa, 0x4e21, 0x8000, @ipv4={[], [], @empty}, 0x3e}, 0x1c, &(0x7f00000000c0)=[{&(0x7f0000000080)="325c0df563a82d8e7c4775578e7a28ef8f2583637b1319d633ef6e08a4fafc6d7ce6d6906d4fd9e4327454", 0x2b}, {&(0x7f0000000140)="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", 0x1000}], 0x2, &(0x7f0000001140)=[@dstaddrv6={0x20, 0x84, 0x8, @empty}, @dstaddrv6={0x20, 0x84, 0x8, @dev={0xfe, 0x80, [], 0x18}}, @prinfo={0x18, 0x84, 0x5, {0x10, 0x100000000}}, @dstaddrv4={0x18, 0x84, 0x7, @dev={0xac, 0x14, 0x14, 0x1e}}], 0x70, 0x1}, {&(0x7f00000011c0)=@in={0x2, 0x4e21, @remote}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001200)="c88362325c791d47dc0182b6b919307bd6432883e191decbe336dc4ac0d9be81b26fbad811305afc1a660f0cdb5717a6ac049928f2212e51322e6ff52ca9ac2fe6996d493380361afc6cfbc3f2a727848e9a04441f76cf976c5be26a2fb3dabd40b06f72ca908bf656278091d9d64f75d41a9c9b0c20", 0x76}, {&(0x7f0000001280)="fab3942670ff31881f2e342cfe2c6a1ad05d507a330f2044bfe45d4bb362cb98e70bee98", 0x24}, {&(0x7f00000012c0)="c769ada3550307fdc07536ca7c46de759c3e5dc416b56dc83b99f881beabf0b2d45fdc5153ba6e54b91cfaba6760293e33fadb448eed1a7c517d24c59a6ba8286079cfe2c07764a03fee891af4d4e0b5efb0f02d134a52d77595af0bdf77660557891b8e89f93a1ba8e9af0c28d5366077942d414568b95f22ff230ea6519986a0d24b185fca8c2a8220cd5d62bf99", 0x8f}, {&(0x7f0000001380)="27352c52d773d30578a394aa5f2ae3ab47fedd30b8983e122620627a8f07b09aa43709216f64a1d77a72daec1aea7816408157d7dc5baac4f056cade429b2b2d18ba8df5807ba32c749840929e7d21793c617958275192b43f5e", 0x5a}], 0x4, 0x0, 0x0, 0x8000}, {&(0x7f0000001440)=@in={0x2, 0x4e20, @rand_addr=0x8}, 0x10, &(0x7f0000001880)=[{&(0x7f0000001480)="743022feca982af4b3ffc40528418ae6a23d6410884bbc3a5e1095e1e9b50d996c8eeed96873e04dcfe5707cf158e5130f852a0917bcb7cccd8f8f836985c94c9df3ba900c5f7f7642d38b24cad88868de282e70293fc68e012e70276e68f731d271885a17fc592c40f6b9ca0c0d092053ef92028fe37dae984d3a444c249089944a2feb1c92c4fe26be91967537537adbead9de20ef7e50218ddd5c701c2d69ab8533cfeb129902b05ee712dcc157fca104f9aae240ebe3f0578b13cd01b126684c6524", 0xc4}, {&(0x7f0000001580)="0b67f12da19a221236a3bf92860fb130895ff50ae60629ebe8f19ae2b23950f057384b81baa22f83a8a95a8001aa6c0821e3ef3d95570994d814b6a998f5f38e2fd8addfd99cade3395ce08b0569fa4b05b1f3af3377f2d215dcf964e5a261210cb0322a327df5d643139088a16d8ee3e07f57059eb11d56117e2a56875991efc6ec114e73e1b5382b1835", 0x8b}, {&(0x7f0000001640)="a5d5ae06093c39c81fdc90669e9e653ba685a5049d6dceec841d64fa0d0b80dcd5a84adf1456961b5fc777750d0b8dbcf744a6eccc481588db12aa06e5c854b1b7fe6d278637607935aeb81b1bd962f814c35f06103ecd8984667f40201be2dbca89000708e802a065ba921749eea8b60a15214468ebb954136a6a858b4b", 0x7e}, {&(0x7f00000016c0)="85249108c379baf9ed9f6125e05fe47170c91bc34f311b327bc25bc5a05a55cdfb4f821cf7c9b97f5f3c41e86da6220ce69728938a", 0x35}, {&(0x7f0000001700)="2a043cb68e230ad0dfa91951c41f5af384bf9507a57b5b34d88da1dd21c7ee05e752917f26d97de2f3c089d1ac6694f64dfd95a545c800e242ed84a766dab35218104e1b5c566d62e60e0cc069dbe04c7aac5b3b34a55da99988adca0e647a5205", 0x61}, {&(0x7f0000001780)="ae26b0f7e1e4b59a7f5683f91d89f3e8e673f3bd2377304f9147ef0073d7fd9f16234974c312367c50b19b5227af9ec176d4b4302e4040b2aa0239029e8ce1498b03a2bea3c58e7638ac3581b539f1c87a32df34f7caf7c1d2f410aa860e81aa4c7d8c33b9ae6e7eac38dde49cfeb4b577681cf733abe3229f39b00d73c98a3a03004e63c29157f820c04d499c26488e948b6defd0abae692ed48a107b01403a924fe70df0d6eeb4a657e47e879351a2da1c5796db479a47f25e426c29287f278db42c8bbe3882abc327f1", 0xcb}], 0x6, &(0x7f0000001d00)=ANY=[@ANYBLOB="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", @ANYRES32=r3, @ANYBLOB="1800000000000000840000000500000030000000b9450000180000000000000084000000060000001f00000000000000"], 0xe8, 0x8001}], 0x3, 0x10) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) accept4(r0, &(0x7f0000001a00)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}}}, &(0x7f0000001a80)=0x80, 0x800) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000001900)={r2, 0x1000}, 0x8) 17:44:51 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x1b', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe5, 0x400000000000) [ 571.366368][T28353] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 571.403205][T28353] gfs2: fsid=_h: Now mounting FS... 17:44:51 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='Vfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x10000, 0x0) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x11, &(0x7f0000000040)={0x0, 0x5}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f00000000c0)={r2, 0xfb4, 0x30}, &(0x7f0000000140)=0xc) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 571.424475][T28353] gfs2: not a GFS2 filesystem 17:44:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe6, 0x400000000000) [ 571.453599][T28353] gfs2: fsid=_h: can't read superblock [ 571.463598][T28353] gfs2: fsid=_h: can't read superblock: -22 [ 571.511464][T28352] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 571.588260][T28352] CPU: 0 PID: 28352 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 571.596298][T28352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 571.606361][T28352] Call Trace: [ 571.609679][T28352] dump_stack+0x172/0x1f0 [ 571.614026][T28352] sysfs_warn_dup.cold+0x1c/0x31 [ 571.618973][T28352] sysfs_create_dir_ns+0x242/0x2a0 [ 571.618989][T28352] ? sysfs_create_mount_point+0xa0/0xa0 [ 571.619019][T28352] kobject_add_internal.cold+0xe5/0x5d4 [ 571.619041][T28352] kobject_init_and_add+0x101/0x160 [ 571.619055][T28352] ? kobject_add_internal+0x380/0x380 [ 571.619091][T28352] gfs2_sys_fs_add+0x1aa/0x470 [ 571.619114][T28352] ? recover_store+0x160/0x160 [ 571.635298][T28352] ? snprintf+0xbb/0xf0 [ 571.635316][T28352] ? vscnprintf+0x60/0x80 [ 571.635345][T28352] ? fill_super+0x12ce/0x25c0 [ 571.635364][T28352] fill_super+0x12f5/0x25c0 [ 571.635404][T28352] ? gfs2_online_uevent+0x1f0/0x1f0 [ 571.635421][T28352] ? snprintf+0xbb/0xf0 [ 571.635435][T28352] ? vsprintf+0x40/0x40 17:44:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe7, 0x400000000000) 17:44:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r1) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000ff6000/0x9000)=nil, 0x9000}}) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r1, 0x40045542, &(0x7f0000000080)=0x101) [ 571.635454][T28352] ? wait_for_completion+0x440/0x440 [ 571.635471][T28352] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 571.635493][T28352] ? set_blocksize+0x2bf/0x340 [ 571.646097][T28352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 571.646120][T28352] gfs2_mount+0x504/0x5de [ 571.646141][T28352] ? fill_super+0x25c0/0x25c0 [ 571.646187][T28352] ? retint_kernel+0x2d/0x2d [ 571.646209][T28352] ? fill_super+0x25c0/0x25c0 [ 571.655739][T28352] legacy_get_tree+0xf2/0x200 [ 571.655760][T28352] vfs_get_tree+0x123/0x450 [ 571.655778][T28352] do_mount+0x1436/0x2c40 [ 571.655801][T28352] ? copy_mount_string+0x40/0x40 [ 571.655816][T28352] ? copy_mount_options+0x1ea/0x3a0 [ 571.655832][T28352] ? __sanitizer_cov_trace_pc+0x26/0x50 [ 571.655847][T28352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 571.655860][T28352] ? copy_mount_options+0x280/0x3a0 [ 571.655877][T28352] ksys_mount+0xdb/0x150 [ 571.655893][T28352] __x64_sys_mount+0xbe/0x150 [ 571.655913][T28352] do_syscall_64+0x103/0x610 [ 571.655932][T28352] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 571.655945][T28352] RIP: 0033:0x45ac7a [ 571.655962][T28352] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 571.655978][T28352] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 571.664718][T28352] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 571.664729][T28352] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 571.664738][T28352] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 571.664755][T28352] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 571.673945][T28352] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 571.713180][T28352] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 571.730689][T28352] gfs2: fsid=_h: error -17 adding sysfs files 17:44:52 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:52 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x1c', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:52 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) accept$packet(0xffffffffffffff9c, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000040)=0x14) ioctl$sock_inet6_SIOCDELRT(r0, 0x890c, &(0x7f0000000080)={@loopback, @local, @dev={0xfe, 0x80, [], 0x19}, 0x3, 0x6, 0x8, 0x500, 0x0, 0x80000, r1}) r2 = syz_open_dev$adsp(&(0x7f0000000140)='/dev/adsp#\x00', 0x101, 0x210000) connect$inet6(r2, &(0x7f00000002c0)={0xa, 0x4e22, 0xfff, @empty, 0x7fff}, 0x1c) sendmsg$nl_route_sched(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=@getqdisc={0x48, 0x26, 0x604, 0x70bd27, 0x25dfdbff, {0x0, r1, {0x0, 0xfff3}, {0x6, 0xfffb}, {0xfff2, 0xfff1}}, [{0x4}, {0x4}, {0x4}, {0x4}, {0x4}, {0x4}, {0x4}, {0x4}, {0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x10) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe8, 0x400000000000) 17:44:52 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='afs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x101000, 0x0) 17:44:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xe9, 0x400000000000) [ 572.360930][T28413] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 572.413344][T28413] gfs2: fsid=_h: Now mounting FS... [ 572.475021][T28413] gfs2: not a GFS2 filesystem [ 572.503159][T28413] gfs2: fsid=_h: can't read superblock [ 572.514541][T28413] gfs2: fsid=_h: can't read superblock: -22 [ 572.555293][T28415] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 572.562562][T28415] CPU: 0 PID: 28415 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 572.570554][T28415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 572.580621][T28415] Call Trace: [ 572.584020][T28415] dump_stack+0x172/0x1f0 [ 572.588375][T28415] sysfs_warn_dup.cold+0x1c/0x31 [ 572.593438][T28415] sysfs_create_dir_ns+0x242/0x2a0 [ 572.598673][T28415] ? sysfs_create_mount_point+0xa0/0xa0 [ 572.604263][T28415] kobject_add_internal.cold+0xe5/0x5d4 [ 572.609919][T28415] kobject_init_and_add+0x101/0x160 [ 572.615134][T28415] ? kobject_add_internal+0x380/0x380 [ 572.620536][T28415] ? retint_kernel+0x2d/0x2d [ 572.625168][T28415] gfs2_sys_fs_add+0x1aa/0x470 [ 572.629943][T28415] ? recover_store+0x160/0x160 [ 572.634732][T28415] ? vscnprintf+0x60/0x80 [ 572.639266][T28415] ? memcpy+0x46/0x50 [ 572.643272][T28415] fill_super+0x12f5/0x25c0 [ 572.647969][T28415] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 572.653451][T28415] ? gfs2_online_uevent+0x1f0/0x1f0 [ 572.658668][T28415] ? set_blocksize+0x199/0x340 [ 572.663616][T28415] ? set_blocksize+0x2ba/0x340 [ 572.668397][T28415] ? set_blocksize+0x2bf/0x340 [ 572.673170][T28415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 572.673193][T28415] gfs2_mount+0x504/0x5de [ 572.673215][T28415] ? fill_super+0x25c0/0x25c0 [ 572.673252][T28415] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 572.673269][T28415] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 572.673291][T28415] ? fill_super+0x25c0/0x25c0 17:44:52 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='bfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 572.673308][T28415] legacy_get_tree+0xf2/0x200 [ 572.673327][T28415] vfs_get_tree+0x123/0x450 [ 572.673344][T28415] do_mount+0x1436/0x2c40 [ 572.673366][T28415] ? copy_mount_string+0x40/0x40 [ 572.673396][T28415] ? __sanitizer_cov_trace_const_cmp4+0xa/0x20 [ 572.673418][T28415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 572.688687][T28415] ? copy_mount_options+0x280/0x3a0 [ 572.688708][T28415] ksys_mount+0xdb/0x150 [ 572.688728][T28415] __x64_sys_mount+0xbe/0x150 17:44:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x40000, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x6) 17:44:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xea, 0x400000000000) 17:44:52 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x1d', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 572.688750][T28415] do_syscall_64+0x103/0x610 [ 572.688772][T28415] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 572.688785][T28415] RIP: 0033:0x45ac7a [ 572.688805][T28415] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 572.700675][T28415] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 572.700692][T28415] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 572.700701][T28415] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 572.700711][T28415] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 572.700720][T28415] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 572.700730][T28415] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 572.725004][T28415] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 572.760119][T28415] gfs2: fsid=_h: error -17 adding sysfs files [ 573.015968][T28454] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 573.093915][T28454] gfs2: fsid=_h: Now mounting FS... [ 573.113922][T28454] gfs2: not a GFS2 filesystem [ 573.132341][T28454] gfs2: fsid=_h: can't read superblock [ 573.141731][T28454] gfs2: fsid=_h: can't read superblock: -22 17:44:53 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:53 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xeb, 0x400000000000) 17:44:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = syz_open_dev$usb(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0x110a, 0x10042) ioctl$VHOST_SET_VRING_ADDR(r1, 0x4028af11, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)=""/244, &(0x7f0000000040)=""/56, &(0x7f0000000240)=""/158, 0x3000}) prctl$PR_GET_FP_MODE(0x2e) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:53 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:53 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='dfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:53 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x1e', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:53 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xec, 0x400000000000) 17:44:53 executing program 3: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f00000001c0)={0xffffffffffffffff}) r1 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000240)='SEG6\x00') sendmsg$SEG6_CMD_SET_TUNSRC(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1040}, 0xc, &(0x7f00000002c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="1c0009006990a0b358865d383be6ab82dd3e134472719f651bfa1ab6b69731b1fc3b707744233d65e49a40e099a9b761c4c5c3645fb32c1b43c8afd7412cfcecef8d79afde6144fbdb37d24ef86331e6e416a1d129d24dba817109278efb3777a9fae4017d006468b67d746be396865e816a62599065ce8d798fb18c3c71f91a3ea2d6abdd5629461465e1372a8e660ebb3ef5e95a51fed52237884da82c6cd48ef7e1e8e8f28fe38fa3affbfdb0c5e0ac8f7083040b238e98f8e626", @ANYRES16=r1, @ANYBLOB="000025bd7000fbdbdf25030000000800030004000000"], 0x1c}, 0x1, 0x0, 0x0, 0x24000054}, 0x41) r2 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) read$rfkill(r2, &(0x7f0000000040), 0x8) connect$inet6(0xffffffffffffffff, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) getsockopt$inet6_mtu(r2, 0x29, 0x17, &(0x7f0000000340), &(0x7f0000000380)=0x4) ioctl$KVM_ENABLE_CAP_CPU(r2, 0x4068aea3, &(0x7f0000000140)={0x7b, 0x0, [0xffffffffffffff7f, 0x1, 0xffffffffffffffff, 0xffff]}) setsockopt$IP_VS_SO_SET_DEL(r2, 0x0, 0x484, &(0x7f0000000080)={0x3f, @broadcast, 0x4e20, 0x2, 'none\x00', 0x0, 0xfffffffffffffc01, 0x7c}, 0x2c) connect$vsock_dgram(r2, &(0x7f00000000c0)={0x28, 0x0, 0xffffffff}, 0x10) [ 573.514573][T28472] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 573.536664][T28472] gfs2: fsid=_h: Now mounting FS... [ 573.552333][T28472] gfs2: not a GFS2 filesystem 17:44:53 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xed, 0x400000000000) [ 573.559568][T28495] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 573.564604][T28472] gfs2: fsid=_h: can't read superblock [ 573.592638][T28472] gfs2: fsid=_h: can't read superblock: -22 [ 573.619721][T28495] CPU: 1 PID: 28495 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 573.627854][T28495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 573.639918][T28495] Call Trace: [ 573.643237][T28495] dump_stack+0x172/0x1f0 [ 573.647611][T28495] sysfs_warn_dup.cold+0x1c/0x31 [ 573.652559][T28495] sysfs_create_dir_ns+0x242/0x2a0 [ 573.657859][T28495] ? sysfs_create_mount_point+0xa0/0xa0 [ 573.663447][T28495] kobject_add_internal.cold+0xe5/0x5d4 [ 573.669027][T28495] kobject_init_and_add+0x101/0x160 [ 573.674247][T28495] ? kobject_add_internal+0x380/0x380 [ 573.679640][T28495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 573.685902][T28495] ? vsnprintf+0x58b/0x1af0 [ 573.690434][T28495] gfs2_sys_fs_add+0x1aa/0x470 [ 573.695219][T28495] ? recover_store+0x160/0x160 [ 573.700017][T28495] ? snprintf+0xbb/0xf0 [ 573.704208][T28495] ? vscnprintf+0x60/0x80 [ 573.708548][T28495] ? set_blocksize+0x2bf/0x340 [ 573.713335][T28495] ? memcpy+0x46/0x50 [ 573.717342][T28495] fill_super+0x12f5/0x25c0 [ 573.722340][T28495] ? gfs2_online_uevent+0x1f0/0x1f0 [ 573.727563][T28495] ? snprintf+0xbb/0xf0 [ 573.731741][T28495] ? vsprintf+0x40/0x40 [ 573.735942][T28495] ? wait_for_completion+0x440/0x440 [ 573.741274][T28495] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 573.747185][T28495] ? set_blocksize+0x2bf/0x340 [ 573.751977][T28495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 573.758245][T28495] gfs2_mount+0x504/0x5de [ 573.762855][T28495] ? fill_super+0x25c0/0x25c0 [ 573.768322][T28495] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 573.774580][T28495] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 573.780238][T28495] ? fill_super+0x25c0/0x25c0 [ 573.784939][T28495] legacy_get_tree+0xf2/0x200 [ 573.789658][T28495] vfs_get_tree+0x123/0x450 [ 573.794205][T28495] do_mount+0x1436/0x2c40 [ 573.798565][T28495] ? copy_mount_string+0x40/0x40 [ 573.803524][T28495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 573.809878][T28495] ? copy_mount_options+0x280/0x3a0 [ 573.815181][T28495] ksys_mount+0xdb/0x150 [ 573.819437][T28495] __x64_sys_mount+0xbe/0x150 [ 573.824133][T28495] do_syscall_64+0x103/0x610 [ 573.828741][T28495] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 573.834821][T28495] RIP: 0033:0x45ac7a [ 573.838725][T28495] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 573.858469][T28495] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 17:44:54 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='ffs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 573.867083][T28495] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 573.875187][T28495] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 573.883743][T28495] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 573.891734][T28495] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 573.899731][T28495] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:44:54 executing program 3: r0 = openat$vimc0(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video0\x00', 0x2, 0x0) fsetxattr$trusted_overlay_opaque(r0, &(0x7f0000000040)='trusted.overlay.opaque\x00', &(0x7f0000000080)='y\x00', 0x2, 0x3) ioctl$VIDIOC_G_JPEGCOMP(r0, 0x808c563d, &(0x7f00000002c0)) r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x101000, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r2, 0x408c5333, &(0x7f0000000180)={0x0, 0x8, 0xa, 'queue1\x00', 0x9}) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) [ 573.958570][T28495] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 573.994398][T28495] gfs2: fsid=_h: error -17 adding sysfs files 17:44:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xee, 0x400000000000) 17:44:54 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xef, 0x400000000000) 17:44:54 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) socket$inet6(0xa, 0x2, 0x4) 17:44:54 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:54 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2!', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf0, 0x400000000000) [ 574.330164][T28542] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 574.401883][T28542] gfs2: fsid=_h: Now mounting FS... 17:44:54 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='hfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 574.472465][T28542] gfs2: not a GFS2 filesystem [ 574.498194][T28542] gfs2: fsid=_h: can't read superblock [ 574.506818][T28542] gfs2: fsid=_h: can't read superblock: -22 17:44:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf1, 0x400000000000) 17:44:54 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) syz_open_dev$sndtimer(&(0x7f0000000000)='/dev/snd/timer\x00', 0x0, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:54 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\"', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf2, 0x400000000000) [ 574.731407][T28560] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 574.773596][T28560] gfs2: fsid=_h: Now mounting FS... [ 574.821198][T28560] gfs2: not a GFS2 filesystem [ 574.827158][T28587] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 574.859530][T28560] gfs2: fsid=_h: can't read superblock [ 574.886815][T28587] CPU: 0 PID: 28587 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 574.894838][T28587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 574.900132][T28560] gfs2: fsid=_h: can't read superblock: -22 [ 574.904899][T28587] Call Trace: [ 574.904931][T28587] dump_stack+0x172/0x1f0 [ 574.904956][T28587] sysfs_warn_dup.cold+0x1c/0x31 [ 574.904974][T28587] sysfs_create_dir_ns+0x242/0x2a0 [ 574.904990][T28587] ? sysfs_create_mount_point+0xa0/0xa0 [ 574.905024][T28587] kobject_add_internal.cold+0xe5/0x5d4 [ 574.905050][T28587] kobject_init_and_add+0x101/0x160 [ 574.905068][T28587] ? kobject_add_internal+0x380/0x380 [ 574.905090][T28587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 574.905108][T28587] ? vsnprintf+0x58b/0x1af0 [ 574.905140][T28587] gfs2_sys_fs_add+0x1aa/0x470 [ 574.905159][T28587] ? recover_store+0x160/0x160 [ 574.905182][T28587] ? snprintf+0xbb/0xf0 [ 574.905200][T28587] ? vscnprintf+0x60/0x80 [ 574.905221][T28587] ? set_blocksize+0x2bf/0x340 [ 574.905246][T28587] ? memcpy+0x46/0x50 [ 574.905274][T28587] fill_super+0x12f5/0x25c0 [ 574.905308][T28587] ? gfs2_online_uevent+0x1f0/0x1f0 [ 574.905327][T28587] ? snprintf+0xbb/0xf0 [ 574.905346][T28587] ? vsprintf+0x40/0x40 [ 574.905375][T28587] ? wait_for_completion+0x440/0x440 [ 575.013973][T28587] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 575.020584][T28587] ? set_blocksize+0x2bf/0x340 [ 575.025451][T28587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 575.031715][T28587] gfs2_mount+0x504/0x5de 17:44:55 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$VIDIOC_G_CTRL(r0, 0xc008561b, &(0x7f0000000000)={0x7, 0xe7}) r1 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-monitor\x00', 0x10000, 0x0) ioctl$VIDIOC_G_CTRL(r1, 0xc008561b, &(0x7f00000000c0)={0x3, 0x4}) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x43a, @mcast2, 0x4}, 0x1c) [ 575.036061][T28587] ? fill_super+0x25c0/0x25c0 [ 575.040963][T28587] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 575.047414][T28587] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 575.053069][T28587] ? fill_super+0x25c0/0x25c0 [ 575.057760][T28587] legacy_get_tree+0xf2/0x200 [ 575.062550][T28587] vfs_get_tree+0x123/0x450 [ 575.067202][T28587] do_mount+0x1436/0x2c40 [ 575.071637][T28587] ? copy_mount_string+0x40/0x40 [ 575.076765][T28587] ? _copy_from_user+0xdd/0x150 [ 575.081630][T28587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 575.087894][T28587] ? copy_mount_options+0x280/0x3a0 [ 575.093476][T28587] ksys_mount+0xdb/0x150 [ 575.097744][T28587] __x64_sys_mount+0xbe/0x150 [ 575.102440][T28587] do_syscall_64+0x103/0x610 [ 575.107138][T28587] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 575.113036][T28587] RIP: 0033:0x45ac7a [ 575.116952][T28587] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 575.136649][T28587] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 575.136665][T28587] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 575.136673][T28587] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 575.136680][T28587] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 575.136688][T28587] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 575.136696][T28587] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 575.298260][T28587] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 575.311246][T28587] gfs2: fsid=_h: error -17 adding sysfs files 17:44:55 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf3, 0x400000000000) 17:44:55 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='ifs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:55 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = dup2(r0, r0) ioctl$sock_inet_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000000)) 17:44:55 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:55 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:55 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf4, 0x400000000000) 17:44:55 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x49b) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:55 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2#', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:55 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:55 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf5, 0x400000000000) 17:44:56 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='mfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:56 executing program 3: r0 = socket$inet6(0xa, 0x2000, 0x400000000800000) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 575.825507][T28620] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 575.850461][T28653] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 575.897039][T28620] gfs2: fsid=_h: Now mounting FS... [ 575.908446][T28653] CPU: 1 PID: 28653 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 575.916450][T28653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 575.926517][T28653] Call Trace: [ 575.929924][T28653] dump_stack+0x172/0x1f0 [ 575.934275][T28653] sysfs_warn_dup.cold+0x1c/0x31 [ 575.939264][T28653] sysfs_create_dir_ns+0x242/0x2a0 [ 575.944399][T28653] ? sysfs_create_mount_point+0xa0/0xa0 [ 575.949992][T28653] kobject_add_internal.cold+0xe5/0x5d4 [ 575.955556][T28653] kobject_init_and_add+0x101/0x160 [ 575.960780][T28653] ? kobject_add_internal+0x380/0x380 [ 575.961134][T28620] gfs2: not a GFS2 filesystem [ 575.966173][T28653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 575.966190][T28653] ? vsnprintf+0x58b/0x1af0 [ 575.966218][T28653] gfs2_sys_fs_add+0x1aa/0x470 [ 575.966234][T28653] ? recover_store+0x160/0x160 [ 575.966255][T28653] ? snprintf+0xbb/0xf0 [ 575.966272][T28653] ? vscnprintf+0x60/0x80 [ 575.966290][T28653] ? set_blocksize+0x2bf/0x340 [ 575.966312][T28653] ? memcpy+0x46/0x50 [ 575.966337][T28653] fill_super+0x12f5/0x25c0 [ 575.966365][T28653] ? gfs2_online_uevent+0x1f0/0x1f0 [ 575.971549][T28620] gfs2: fsid=_h: can't read superblock [ 575.977396][T28653] ? snprintf+0xbb/0xf0 [ 575.977413][T28653] ? vsprintf+0x40/0x40 [ 575.977434][T28653] ? wait_for_completion+0x440/0x440 [ 575.977450][T28653] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 575.977465][T28653] ? set_blocksize+0x2bf/0x340 [ 575.977484][T28653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 575.977504][T28653] gfs2_mount+0x504/0x5de [ 575.977524][T28653] ? fill_super+0x25c0/0x25c0 [ 575.977560][T28653] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 575.987771][T28620] gfs2: fsid=_h: can't read superblock: -22 [ 575.991646][T28653] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 575.991674][T28653] ? fill_super+0x25c0/0x25c0 [ 575.991692][T28653] legacy_get_tree+0xf2/0x200 [ 575.991713][T28653] vfs_get_tree+0x123/0x450 [ 575.991731][T28653] do_mount+0x1436/0x2c40 [ 575.991754][T28653] ? copy_mount_string+0x40/0x40 [ 575.991780][T28653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 575.991794][T28653] ? copy_mount_options+0x280/0x3a0 [ 575.991814][T28653] ksys_mount+0xdb/0x150 [ 575.991832][T28653] __x64_sys_mount+0xbe/0x150 [ 575.991854][T28653] do_syscall_64+0x103/0x610 [ 575.991875][T28653] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 575.991896][T28653] RIP: 0033:0x45ac7a [ 576.139873][T28653] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 576.159487][T28653] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 576.167918][T28653] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 576.175902][T28653] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 576.183883][T28653] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 17:44:56 executing program 3: socket$nl_xfrm(0xa, 0x3, 0x87) syz_emit_ethernet(0x4a, &(0x7f0000000140)={@local, @random="ce0ed720180b", [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x2, 0xffffff87, 0x0, @local, @local, {[], @tcp={{0x0, 0x0, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) r1 = accept4$x25(0xffffffffffffffff, 0x0, &(0x7f0000000040), 0x0) ioctl$sock_x25_SIOCDELRT(r1, 0x890c, &(0x7f00000001c0)={@null=' \x00', 0xd, 'gretap0\x00'}) r2 = creat(&(0x7f0000000000)='./file0\x00', 0x1) write$P9_RMKNOD(r2, &(0x7f0000000080)={0x14, 0x13, 0x2, {0x1, 0x4, 0x8}}, 0x14) ioctl$VIDIOC_RESERVED(r2, 0x5601, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:56 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf6, 0x400000000000) [ 576.193255][T28653] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 576.201325][T28653] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 576.215856][T28653] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 576.229547][T28653] gfs2: fsid=_h: error -17 adding sysfs files 17:44:56 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2H', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 576.522173][T28681] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 576.569051][T28681] gfs2: fsid=_h: Now mounting FS... [ 576.582578][T28681] gfs2: not a GFS2 filesystem [ 576.607700][T28681] gfs2: fsid=_h: can't read superblock [ 576.624557][T28681] gfs2: fsid=_h: can't read superblock: -22 17:44:56 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:56 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf7, 0x400000000000) 17:44:56 executing program 3: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x60) ioctl$PIO_UNIMAP(r0, 0x4b67, &(0x7f0000000080)={0x3, &(0x7f0000000040)=[{0x2, 0x4}, {0xf72, 0x2}, {0x9, 0x834}]}) r1 = socket$inet6(0xa, 0x4, 0x5) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:56 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='qfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:56 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf8, 0x400000000000) 17:44:57 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2L', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 576.999106][T28704] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 577.022981][T28718] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 577.043448][T28704] gfs2: fsid=_h: Now mounting FS... [ 577.058976][T28718] CPU: 0 PID: 28718 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 577.067293][T28718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 577.078011][T28718] Call Trace: [ 577.081431][T28718] dump_stack+0x172/0x1f0 [ 577.085787][T28718] sysfs_warn_dup.cold+0x1c/0x31 [ 577.090739][T28718] sysfs_create_dir_ns+0x242/0x2a0 [ 577.095902][T28718] ? sysfs_create_mount_point+0xa0/0xa0 [ 577.101601][T28718] kobject_add_internal.cold+0xe5/0x5d4 [ 577.107789][T28718] kobject_init_and_add+0x101/0x160 [ 577.113002][T28718] ? kobject_add_internal+0x380/0x380 [ 577.118667][T28718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 577.124922][T28718] ? vsnprintf+0x58b/0x1af0 [ 577.129896][T28718] gfs2_sys_fs_add+0x1aa/0x470 [ 577.134685][T28718] ? recover_store+0x160/0x160 [ 577.139469][T28718] ? snprintf+0xbb/0xf0 [ 577.144262][T28718] ? vscnprintf+0x60/0x80 [ 577.148624][T28718] ? set_blocksize+0x2bf/0x340 [ 577.153422][T28718] ? memcpy+0x46/0x50 17:44:57 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xf9, 0x400000000000) [ 577.157866][T28718] fill_super+0x12f5/0x25c0 [ 577.162406][T28718] ? gfs2_online_uevent+0x1f0/0x1f0 [ 577.167617][T28718] ? snprintf+0xbb/0xf0 [ 577.171781][T28718] ? vsprintf+0x40/0x40 [ 577.176054][T28718] ? wait_for_completion+0x440/0x440 [ 577.181351][T28718] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 577.187084][T28718] ? set_blocksize+0x2bf/0x340 [ 577.189137][T28704] gfs2: not a GFS2 filesystem [ 577.191854][T28718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 577.191877][T28718] gfs2_mount+0x504/0x5de 17:44:57 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='rfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 577.191898][T28718] ? fill_super+0x25c0/0x25c0 [ 577.191937][T28718] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 577.191956][T28718] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 577.191981][T28718] ? fill_super+0x25c0/0x25c0 [ 577.192008][T28718] legacy_get_tree+0xf2/0x200 [ 577.202621][T28704] gfs2: fsid=_h: can't read superblock [ 577.204297][T28718] vfs_get_tree+0x123/0x450 [ 577.204315][T28718] do_mount+0x1436/0x2c40 [ 577.204338][T28718] ? copy_mount_string+0x40/0x40 [ 577.204364][T28718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 577.204378][T28718] ? copy_mount_options+0x280/0x3a0 [ 577.204409][T28718] ksys_mount+0xdb/0x150 [ 577.204426][T28718] __x64_sys_mount+0xbe/0x150 [ 577.204449][T28718] do_syscall_64+0x103/0x610 [ 577.204469][T28718] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 577.204482][T28718] RIP: 0033:0x45ac7a [ 577.204498][T28718] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 577.204513][T28718] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 577.204528][T28718] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 577.204538][T28718] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 577.204547][T28718] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 577.204556][T28718] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 577.204565][T28718] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 577.210339][T28718] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 577.221315][T28718] gfs2: fsid=_h: error -17 adding sysfs files [ 577.236563][T28704] gfs2: fsid=_h: can't read superblock: -22 17:44:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xfa, 0x400000000000) 17:44:57 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = dup(r0) ioctl$UI_SET_SWBIT(r1, 0x4004556d, 0xf) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:57 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xfb, 0x400000000000) 17:44:57 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x80000000) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:58 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='sfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:58 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) ioctl$sock_ax25_SIOCDELRT(r1, 0x890c, &(0x7f0000000040)={@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x8, [@bcast, @bcast, @default, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}) [ 577.865243][T28764] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:58 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2`', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:58 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xfc, 0x400000000000) [ 577.912667][T28764] gfs2: fsid=_h: Now mounting FS... [ 577.921781][T28764] gfs2: not a GFS2 filesystem [ 577.931290][T28764] gfs2: fsid=_h: can't read superblock [ 577.937038][T28764] gfs2: fsid=_h: can't read superblock: -22 17:44:58 executing program 3: r0 = socket$inet6(0xa, 0xa, 0x0) syz_open_dev$usb(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0x1, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 578.163429][T28779] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 578.186821][T28779] gfs2: fsid=_h: Now mounting FS... [ 578.208061][T28779] gfs2: not a GFS2 filesystem 17:44:58 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:58 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xfd, 0x400000000000) [ 578.233358][T28779] gfs2: fsid=_h: can't read superblock [ 578.243341][T28779] gfs2: fsid=_h: can't read superblock: -22 17:44:58 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x20000, 0x0) lsetxattr$security_ima(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='security.ima\x00', &(0x7f00000000c0)=@md5={0x1, "8a7a4b0e6f1f267e24f7ac6e93ad5667"}, 0x11, 0x1) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x10001, 0x63, 0x0, 0x5, 0x1b, 0x4, "820626b91598b385e2d08b4e65ac4402d2868f8a4577e995dcfeb0265e44d746ab5d6b0711855f2935408274e3235e24cab7d9dcd2a02df40a854cd0077bd7f9", "f2485bfffb8a676138b83225a1dd84817f6d301cd2da9e1c6e3c86fc6cec03b26e4158a19f32a7f562c57c0fc278fd5223a7cbf2789b192eb5af0178d66b4f76", "b3f1004746da19f589d91785628a3b57ff7c578cb0419bd750ab2f468a0ccd6d", [0x2890, 0x401]}) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:44:58 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2h', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:58 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='tfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:58 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0xfe, 0x400000000000) [ 578.680015][T28812] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 578.697000][T28812] gfs2: fsid=_h: Now mounting FS... [ 578.711586][T28812] gfs2: not a GFS2 filesystem [ 578.752498][T28812] gfs2: fsid=_h: can't read superblock 17:44:59 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:59 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x102, 0x400000000000) [ 578.794814][T28812] gfs2: fsid=_h: can't read superblock: -22 17:44:59 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='xfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 579.020812][T28857] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:44:59 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x103, 0x400000000000) [ 579.109507][T28857] gfs2: fsid=_h: Now mounting FS... 17:44:59 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2l', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 579.130104][T28857] gfs2: not a GFS2 filesystem [ 579.161763][T28852] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 579.176365][T28857] gfs2: fsid=_h: can't read superblock [ 579.197774][T28852] CPU: 1 PID: 28852 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 579.205846][T28852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 579.215916][T28852] Call Trace: [ 579.219231][T28852] dump_stack+0x172/0x1f0 [ 579.223582][T28852] sysfs_warn_dup.cold+0x1c/0x31 [ 579.228540][T28852] sysfs_create_dir_ns+0x242/0x2a0 [ 579.233669][T28852] ? sysfs_create_mount_point+0xa0/0xa0 [ 579.239247][T28852] kobject_add_internal.cold+0xe5/0x5d4 [ 579.244818][T28852] kobject_init_and_add+0x101/0x160 [ 579.250036][T28852] ? kobject_add_internal+0x380/0x380 [ 579.255431][T28852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 579.261682][T28852] ? vsnprintf+0x58b/0x1af0 [ 579.265459][T28857] gfs2: fsid=_h: can't read superblock: -22 [ 579.266189][T28852] gfs2_sys_fs_add+0x1aa/0x470 [ 579.276846][T28852] ? recover_store+0x160/0x160 [ 579.281628][T28852] ? snprintf+0xbb/0xf0 [ 579.285805][T28852] ? vscnprintf+0x60/0x80 [ 579.290166][T28852] fill_super+0x12f5/0x25c0 [ 579.294677][T28852] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 579.300173][T28852] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 579.305659][T28852] ? gfs2_online_uevent+0x1f0/0x1f0 17:44:59 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x104, 0x400000000000) [ 579.310870][T28852] ? retint_kernel+0x2d/0x2d [ 579.310892][T28852] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 579.310909][T28852] ? set_blocksize+0x2bf/0x340 [ 579.310927][T28852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 579.310948][T28852] gfs2_mount+0x504/0x5de [ 579.310968][T28852] ? fill_super+0x25c0/0x25c0 [ 579.321316][T28852] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 579.321336][T28852] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 579.321362][T28852] ? fill_super+0x25c0/0x25c0 [ 579.321380][T28852] legacy_get_tree+0xf2/0x200 [ 579.321414][T28852] vfs_get_tree+0x123/0x450 [ 579.332424][T28852] do_mount+0x1436/0x2c40 [ 579.332448][T28852] ? copy_mount_string+0x40/0x40 [ 579.332465][T28852] ? copy_mount_options+0x198/0x3a0 [ 579.332482][T28852] ? __sanitizer_cov_trace_pc+0x26/0x50 [ 579.332498][T28852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 579.332512][T28852] ? copy_mount_options+0x280/0x3a0 [ 579.332535][T28852] ksys_mount+0xdb/0x150 [ 579.341560][T28852] __x64_sys_mount+0xbe/0x150 [ 579.341584][T28852] do_syscall_64+0x103/0x610 [ 579.341606][T28852] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 579.341618][T28852] RIP: 0033:0x45ac7a [ 579.341634][T28852] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 579.341642][T28852] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 579.353528][T28852] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 579.353538][T28852] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 579.353546][T28852] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 579.353554][T28852] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 579.353563][T28852] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 579.364965][T28852] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 579.378265][T28852] gfs2: fsid=_h: error -17 adding sysfs files 17:44:59 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:44:59 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x105, 0x400000000000) 17:44:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='ufs\x00', 0x80, &(0x7f00000000c0)='user\x00') 17:44:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_TIOCINQ(r0, 0x541b, &(0x7f0000000240)) r1 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x16, 0x4000) bind$netrom(r1, &(0x7f0000000080)={{0x3, @null, 0x3}, [@bcast, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @bcast, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast]}, 0x48) write$rfkill(r1, &(0x7f0000000040)={0x230, 0x9, 0x2}, 0x8) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x821, 0x3, 0x0, 0x16, 0x8, 0x8, "6ad836c086a5525a07e0c78d009d23cfe48b80bd7349ed33b2ab39864493e277e3c62b043761876bcac2ce05eca1d253bdf2fcc04882a270b53b4a7bb17b0d20", "db7f5e4a0a55332fe3cb55602bf144d588f9a5c93bf8742f943e325183a1939438e8032655f70e6627f75e2fce9053e148ac46b0aa01ee7b1188f8421b5fb81a", "b4b2628ac59283baaaba359821bf2dd9bb7f0d468ea6e70de6cde62f6ce25909", [0x2, 0x10000]}) 17:44:59 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x106, 0x400000000000) 17:45:00 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:00 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='g\ns2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:00 executing program 3: r0 = socket$inet6(0xa, 0x80005, 0x9) getpeername$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @ipv4={[], [], @loopback}}, &(0x7f00000000c0)=0x1c) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @remote, 0x5ce}, 0x197c1a1df20ca62b) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x20800, 0x0) 17:45:00 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2t', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 579.921207][T28910] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:45:00 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x107, 0x400000000000) [ 579.963303][T28910] gfs2: fsid=_h: Now mounting FS... [ 580.001444][T28910] gfs2: not a GFS2 filesystem [ 580.018804][T28910] gfs2: fsid=_h: can't read superblock [ 580.029855][T28910] gfs2: fsid=_h: can't read superblock: -22 17:45:00 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x108, 0x400000000000) 17:45:00 executing program 3: r0 = socket$inet6(0xa, 0x2000400000080000, 0xfffffffffffff800) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) [ 580.208470][T28921] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 580.249685][T28921] gfs2: fsid=_h: Now mounting FS... [ 580.306798][T28921] gfs2: not a GFS2 filesystem [ 580.312240][T28921] gfs2: fsid=_h: can't read superblock [ 580.360450][T28921] gfs2: fsid=_h: can't read superblock: -22 17:45:00 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:00 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='g%s2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) r2 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) renameat(r1, &(0x7f0000000040)='./file0\x00', r2, &(0x7f00000000c0)='./file0\x00') connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:45:00 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x109, 0x400000000000) 17:45:00 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2z', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:01 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$FS_IOC_FSGETXATTR(r0, 0x801c581f, &(0x7f0000000000)={0x492b, 0x1, 0x8, 0x8}) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @remote, 0x4}, 0x1c) 17:45:01 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x10a, 0x400000000000) 17:45:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000001ac0)='/proc/capi/capi20\x00', 0x40082, 0x0) ioctl$TCXONC(r1, 0x540a, 0x9) r2 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={'syz', 0x1}, &(0x7f0000000140)="16a44f922657135e3f63100f078729b242dafcbef9d1b6c46e7b0c2d55646a113e5749f974a619031d2af0e271e356e57db014feb7266688cd39eb691bddcc9e900bdff1162442983be87b2ab9fc5c5c2db15bf71f2db54bc40f593e04bfeeec994c478e56f4edcfb7e9ac515164e9d974d8081aec3f1ce1195b27e2bf116416e8bd0d116b470682cdca3b48a4c6fa72e6355180019cdcc2884b621028a0aa10a91dc417552d0194c7614a6d81ad1a6f06389fd15968", 0xb6, 0xfffffffffffffffd) r3 = syz_open_dev$mouse(&(0x7f0000001a80)='/dev/input/mouse#\x00', 0x7f, 0x200) ioctl$UI_DEV_CREATE(r3, 0x5501) ioctl$TUNSETNOCSUM(r3, 0x400454c8, 0x0) r4 = add_key(&(0x7f0000001800)='logon\x00', &(0x7f0000001840)={'syz', 0x2}, 0x0, 0x0, 0x0) keyctl$instantiate_iov(0x14, r2, &(0x7f0000001740)=[{&(0x7f0000000200)="f0a0f746e1d601ebdc7cff35b3f7c9b6e99bffaf99ed8bb2e5f41cc91c09d0d1e9c0081a119d61a1d8fdec6ad69115cc68a59ea8abbf4e52eafe5bd1ac2ce6cca64fe2d75185160cd8ec8eb64a1aff00df4123c740e7002310083cfa2e49037af673c613afd0e33c2d94fd436d530600e0916d855b06b2a0f479f0afbbbc66ec2698db1558550c0ffe94ee1b7b7ad05803ee063be7fda1e1b3fb1909931f82d7589e0527ff799b38709d03adf593cd90cb63ed451bcc09194d18b29c360402744185ad6a1bd972f05ec33a551e587b6f8b387cd484f89c94491fe416689e459dbe21910afabf54bb311b79ec49f95a9fdc8c", 0xf2}, {&(0x7f0000000300)="315fd28ae4605225adb937530fec9f676aa44e4ec0af4150878ca364cae7ddadf27bfc4cdcf578d48d50684961fa83efed47aaca7b1ae2770b38d35a294afe93bf41ac5fe4152a08b95724a7afff9b791a31b9b00a44e7ac61eb353f4c9d24a0545e6cb516911f580aa66c32ff872f0a45864495d937c9b9773a8166b1cc4904ab222c7735e1c9c5b50101e453a40c158017f67db9de8eeea055cf0117bbf44a0b24297e90f8f47b91edc20f1a9355ce0e54b5", 0xb3}, {&(0x7f0000000080)="2a199ba7ab8a9a7901e6f94b52fcde180fda4af838a20aba363f8f72231d6b43a37ea8e8585abf35c268d3ffd9782bfc25be3a35470d1c445cc69b1dde2d85085f40219ba1f9ebd2ec021aed0a07f52bd32a4db8488b75d8c69009264ca241", 0x5f}, {&(0x7f00000003c0)="7612a211c8e8f4ba54a9c030681bd6241098f0ba4c87f5ef1839817f1aa731c178534bdb30974b03f08a246c53c77cf29fabe2e403470e16e9ed434027465f9789667293ade89e6dd38349ed4822ffa31b54dbd537927ffba2403ae9b54b441721c0900831af201c96f76b38b1a353d2894923426fcbdee6664cfa2a64a0b85bda8269a683fb4fcb64d302f5d98b8bbbd46cfc1fe4ef0c796018fd160c47430f7b92cc", 0xa3}, {&(0x7f0000000480)="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", 0x1000}, {&(0x7f0000001480)="49df015570ce6977bc5a967aa3eb6614e3c8efea2e2b5c97c1dccd759df1a116772526180367ac885def9f1bbd1ddc37dd53c33c5a7ed88ebf38fc210c7118a9113c1a27ab", 0x45}, {&(0x7f0000001500)="2563bf3e5fed698c4289638bf4b1a81af8515ba9e0b7f3549372334977b2e371e82aeb2ba43db93e237172ed5a2d0633459d615140b4a30d", 0x38}, {&(0x7f0000001540)="fa6c535c489e1b90e40cf1c0af166c9754785c7ff1549839315501fad631e1057d97c6ad8ab12bb1b9c4928c18922a4c6dd724e887bd4100e9ffb77513312b8e1b98645094a9fd3b0d2a5482bc66a366512fc6b6e4d6eafb6c0221de056422e34407c4c5a24025e6d2e26c7b062738ec0546917c33a18cd710fc91e10b28c6a4e1f6235be1d4a58a461cbbf00ff4e84b43a34d8db3f262fd347e6a71013b2516a8eb43aef52efc48e7726c99744f0f2ec56cf403efe22a7f821f3844b5b43e7e716aad401ef7310033b226ef195c1fea03167786132ff7ab5f6cc4d32b5972be32617b8dda57ffd073f39accf34d74", 0xef}, {&(0x7f0000001640)="ff63db448c39365e120cfe7a6d6c3d36c0e43334adeaf7e98e848e488dfe7a4fb000aa750afadf4b2cc7463a1bfd", 0x2e}, {&(0x7f0000001680)="45af1a2115ea855f468104a7834e9f5220d5f9e1a855ba87bc0512e42da3af88f52192b321679d11c83cd2f806a25dd2342c64b7475dcd1ad4c5d3a3e039026434ba6c4a97f1ef303844c5cb2f1e6e7da706e34dde826a90daa638703f78bb34a8f5ef51dd1c284e07fc7f8af9ef3f0237bd370e102a7571de828cc4452f19107e255cdd640a05a3434320a2c90010e781023da5fea1654b9b829bc3", 0x9c}], 0xa, r4) r5 = socket$netlink(0x10, 0x3, 0x17) sendmsg$nl_crypto(r5, &(0x7f0000001a40)={&(0x7f0000001880)={0x10, 0x0, 0x0, 0x804}, 0xc, &(0x7f0000001a00)={&(0x7f00000018c0)=@upd={0x128, 0x12, 0x400, 0x70bd2c, 0x25dfdbfb, {{'xts-twofish-3way\x00'}, [], [], 0x2400, 0x2000}, [{0x8, 0x1, 0x10000}, {0x8, 0x1, 0x2}, {0x8, 0x1, 0x118}, {0x8, 0x1, 0x61}, {0x8, 0x1, 0x10000}, {0x8, 0x1, 0x1}, {0x8, 0x1, 0x4fc6}, {0x8, 0x1, 0x9}, {0x8, 0x1, 0x2}]}, 0x128}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000800) [ 580.907957][T28978] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 580.917846][T28978] gfs2: fsid=_h: Now mounting FS... [ 580.928676][T28978] gfs2: not a GFS2 filesystem [ 580.937045][T28978] gfs2: fsid=_h: can't read superblock [ 580.942628][T28978] gfs2: fsid=_h: can't read superblock: -22 17:45:01 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x10b, 0x400000000000) 17:45:01 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='g.s2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:01 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x10c, 0x400000000000) [ 581.269892][T29003] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 581.287306][T29003] gfs2: fsid=_h: Now mounting FS... [ 581.309953][T29003] gfs2: not a GFS2 filesystem [ 581.325616][T29003] gfs2: fsid=_h: can't read superblock [ 581.371728][T29003] gfs2: fsid=_h: can't read superblock: -22 [ 581.686232][T29024] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 581.721088][T29024] gfs2: fsid=_h: Now mounting FS... [ 581.727463][T29024] gfs2: not a GFS2 filesystem [ 581.732340][T29024] gfs2: fsid=_h: can't read superblock [ 581.738259][T29024] gfs2: fsid=_h: can't read superblock: -22 17:45:02 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x2) ioctl$INOTIFY_IOC_SETNEXTWD(r1, 0x40044900, 0x32) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:45:02 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x10d, 0x400000000000) 17:45:02 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xa0', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:02 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='g/s2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:02 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:02 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x10e, 0x400000000000) 17:45:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x8080, 0x0) write$FUSE_NOTIFY_POLL(r1, &(0x7f0000000040)={0x18, 0x1, 0x0, {0x2}}, 0x18) [ 582.115251][T29060] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" 17:45:02 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gqs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:02 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\xf0', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:02 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x10f, 0x400000000000) [ 582.253215][T29060] gfs2: fsid=_h: Now mounting FS... 17:45:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) getsockname$packet(0xffffffffffffff9c, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000040)=0x14) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000140)={{{@in6=@empty, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@loopback}}, &(0x7f0000000080)=0xe8) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000240)={{{@in6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, @in6=@remote, 0x4e22, 0x0, 0x4e21, 0xfffffffffffff1fa, 0xa, 0x80, 0x0, 0x16, r1, r2}, {0x7, 0x100000000, 0x8, 0xfffffffffffffecc, 0x8, 0x3, 0xb9, 0x2}, {0x86, 0x81, 0xf7, 0x81}, 0xfd, 0x6e6bb7, 0x2, 0x0, 0x1, 0x3}, {{@in=@empty, 0x4d6, 0x7f}, 0xa, @in=@dev={0xac, 0x14, 0x14, 0x12}, 0x3505, 0x6, 0x3, 0x8001, 0x1b, 0x8, 0x2}}, 0xe8) [ 582.310168][T29060] gfs2: not a GFS2 filesystem [ 582.328947][T29069] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 582.336504][T29060] gfs2: fsid=_h: can't read superblock [ 582.342621][T29069] CPU: 1 PID: 29069 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 582.350615][T29069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 582.366021][T29069] Call Trace: [ 582.367345][T29060] gfs2: fsid=_h: can't read superblock: -22 [ 582.369353][T29069] dump_stack+0x172/0x1f0 [ 582.369379][T29069] sysfs_warn_dup.cold+0x1c/0x31 [ 582.369409][T29069] sysfs_create_dir_ns+0x242/0x2a0 [ 582.369437][T29069] ? sysfs_create_mount_point+0xa0/0xa0 [ 582.395368][T29069] ? vprintk_func+0x86/0x189 [ 582.399984][T29069] kobject_add_internal.cold+0xe5/0x5d4 [ 582.405554][T29069] kobject_init_and_add+0x101/0x160 [ 582.410771][T29069] ? kobject_add_internal+0x380/0x380 [ 582.416154][T29069] ? mark_held_locks+0xa4/0xf0 [ 582.416175][T29069] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 582.416199][T29069] gfs2_sys_fs_add+0x1aa/0x470 [ 582.416217][T29069] ? recover_store+0x160/0x160 [ 582.416240][T29069] ? retint_kernel+0x2d/0x2d [ 582.416273][T29069] fill_super+0x12f5/0x25c0 [ 582.416287][T29069] ? retint_kernel+0x2d/0x2d [ 582.416309][T29069] ? trace_hardirqs_on_caller+0x6a/0x220 [ 582.426958][T29069] ? gfs2_online_uevent+0x1f0/0x1f0 [ 582.426976][T29069] ? retint_kernel+0x2d/0x2d [ 582.427001][T29069] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 582.427023][T29069] ? set_blocksize+0x2bf/0x340 [ 582.427042][T29069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 582.427060][T29069] gfs2_mount+0x504/0x5de [ 582.427080][T29069] ? fill_super+0x25c0/0x25c0 [ 582.427115][T29069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 582.436639][T29069] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 582.436666][T29069] ? fill_super+0x25c0/0x25c0 [ 582.436686][T29069] legacy_get_tree+0xf2/0x200 [ 582.436705][T29069] vfs_get_tree+0x123/0x450 [ 582.436723][T29069] do_mount+0x1436/0x2c40 [ 582.436744][T29069] ? copy_mount_string+0x40/0x40 [ 582.445832][T29069] ? copy_mount_options+0x198/0x3a0 [ 582.445848][T29069] ? copy_mount_options+0x1c3/0x3a0 [ 582.445865][T29069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 582.445879][T29069] ? copy_mount_options+0x280/0x3a0 [ 582.445898][T29069] ksys_mount+0xdb/0x150 [ 582.445915][T29069] __x64_sys_mount+0xbe/0x150 [ 582.445935][T29069] do_syscall_64+0x103/0x610 [ 582.445958][T29069] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 582.445976][T29069] RIP: 0033:0x45ac7a [ 582.456385][T29069] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 582.456403][T29069] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 582.456419][T29069] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 582.456429][T29069] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 582.456439][T29069] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 582.456449][T29069] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 582.456458][T29069] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 582.478482][T29069] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 582.603389][T29069] gfs2: fsid=_h: error -17 adding sysfs files [ 582.845241][T29103] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 582.861389][T29103] gfs2: fsid=_h: Now mounting FS... [ 582.871868][T29103] gfs2: not a GFS2 filesystem [ 582.877178][T29103] gfs2: fsid=_h: can't read superblock [ 582.883035][T29103] gfs2: fsid=_h: can't read superblock: -22 17:45:03 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:03 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x110, 0x400000000000) 17:45:03 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gf\n2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:03 executing program 3: r0 = semget$private(0x0, 0x40400000, 0x40) semctl$IPC_STAT(r0, 0x0, 0x2, &(0x7f0000000040)=""/137) r1 = socket$inet6(0xa, 0x2, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r1, 0x84, 0x15, &(0x7f0000000000)={0xffffffff}, 0x383) r2 = add_key$user(&(0x7f0000000140)='user\x00', &(0x7f0000000180)={'syz', 0x0}, &(0x7f00000001c0)="fa812529ed3e316ea7a78ac57ff7aa7e17975a5420b6a055f028369aca6933d77c0b1d71c4269da09c391ea5a1ac22ac78ac1a34e6765f337800135f4302a31a6bde0ef1e647267e35f2b073402386fa435bcd85431eba74190dc465f724a1a6bd7f5c04ef34561e781f3ef06ce05ec39b2eb3de061a943b239ecf4d38bd5d067157c60f0215a9bbd91b56570f12119d28fe6fbf0490f7fbd7e0a064b28754c3d64b46be6661991aa96c960db43bda6a8a1e7c96e80a71a2e23ca564f89e76d1d9b87435155e2bae5285383b2d8d2a76e20f167e077a4e790606b7654c2a9609deab0ef3857654983e", 0xe9, 0x0) r3 = add_key(&(0x7f0000000340)='trusted\x00', &(0x7f0000000380)={'syz', 0x0}, &(0x7f00000003c0)="ab3a7ac32226419b184c5e4109cdaed61879c4ec10755505610699a5b3952f", 0x1f, 0xfffffffffffffff9) keyctl$search(0xa, r2, &(0x7f00000002c0)='.dead\x00', &(0x7f0000000300)={'syz', 0x0}, r3) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) arch_prctl$ARCH_SET_GS(0x1001, 0x2) 17:45:03 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:03 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:03 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x111, 0x400000000000) [ 583.160531][T29123] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 583.170092][T29129] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 583.218360][T29129] CPU: 1 PID: 29129 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 583.224747][T29123] gfs2: fsid=_h: Now mounting FS... [ 583.226416][T29129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 583.226424][T29129] Call Trace: [ 583.226453][T29129] dump_stack+0x172/0x1f0 [ 583.226478][T29129] sysfs_warn_dup.cold+0x1c/0x31 [ 583.226498][T29129] sysfs_create_dir_ns+0x242/0x2a0 [ 583.226517][T29129] ? sysfs_create_mount_point+0xa0/0xa0 [ 583.226547][T29129] kobject_add_internal.cold+0xe5/0x5d4 [ 583.234882][T29123] gfs2: not a GFS2 filesystem [ 583.241855][T29129] kobject_init_and_add+0x101/0x160 [ 583.241872][T29129] ? kobject_add_internal+0x380/0x380 [ 583.241892][T29129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 583.241907][T29129] ? vsnprintf+0x58b/0x1af0 [ 583.241935][T29129] gfs2_sys_fs_add+0x1aa/0x470 [ 583.241951][T29129] ? recover_store+0x160/0x160 [ 583.241970][T29129] ? snprintf+0xbb/0xf0 [ 583.241992][T29129] ? vscnprintf+0x60/0x80 17:45:03 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) getpeername(r0, &(0x7f0000000a40)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @remote}}}, &(0x7f0000000a00)=0xfffffffffffffe4c) bind$can_raw(r1, &(0x7f0000000900), 0x10) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x200000, 0x0, @remote, 0xffff}, 0x1b) setsockopt$inet6_dccp_buf(r0, 0x21, 0x8f, &(0x7f0000000840)="993472b49034e7bb5805cf36efa3e401620b9f219e7ec9e7a52a01b3841fa834fe57022ccfb12d4bb52e2f0cab14e97578ee3467c49d220f3a48c31bd7344d2344211fc4539fce9e5e4797", 0x4b) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000080)={'team_slave_0\x00', {0x2, 0x4e21, @loopback}}) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000180)=@nat={'nat\x00', 0x1b, 0x5, 0x630, 0x198, 0x468, 0x300, 0x468, 0x468, 0x560, 0x560, 0x560, 0x560, 0x560, 0x5, &(0x7f0000000100), {[{{@ipv6={@empty, @local, [0x0, 0xff000000, 0xff, 0xffffffff], [0xffffff00, 0xffffff00, 0xffffffff, 0xffffff00], 'batadv0\x00', 'veth0_to_hsr\x00', {0xff}, {0xff}, 0x6, 0x7, 0x7, 0x6c}, 0x0, 0x150, 0x198, 0x0, {}, [@common=@frag={0x30, 'frag\x00', 0x0, {0x1, 0x37c, 0x8, 0x8, 0x3}}, @common=@inet=@hashlimit1={0x58, 'hashlimit\x00', 0x1, {'nr0\x00', {0x10, 0x9, 0x2, 0x4, 0x0, 0x0, 0x8, 0xf8, 0x38}, 0xff}}]}, @NETMAP={0x48, 'NETMAP\x00', 0x0, {0x8, @ipv6=@dev={0xfe, 0x80, [], 0xf}, @ipv4=@loopback, @port=0x4e23, @port=0x4e22}}}, {{@ipv6={@remote, @mcast2, [0xffffffff, 0xff000000, 0xff000000, 0xff], [0xff, 0xffffffff, 0xffffff00, 0xffffffff], 'lo\x00', 'ip6gretap0\x00', {0xff}, {0xff}, 0x2c, 0x7, 0x4, 0x3b}, 0x0, 0x120, 0x168, 0x0, {}, [@common=@frag={0x30, 'frag\x00', 0x0, {0x2, 0x8, 0xffffffffffffffe0, 0x0, 0x1}}, @common=@ipv6header={0x28, 'ipv6header\x00', 0x0, {0x4}}]}, @NETMAP={0x48, 'NETMAP\x00', 0x0, {0x4, @ipv4=@rand_addr=0x6, @ipv6=@mcast1, @gre_key=0x8, @gre_key=0x1}}}, {{@ipv6={@loopback, @dev={0xfe, 0x80, [], 0xa}, [0x0, 0xffffffff, 0xff, 0xffffffff], [0x0, 0xffffff00, 0xffffffff], 'ifb0\x00', 'veth0\x00', {}, {0xff}, 0x0, 0x82b0, 0x2, 0x40}, 0x0, 0x120, 0x168, 0x0, {}, [@common=@ah={0x30, 'ah\x00', 0x0, {0x4d3, 0x4d4, 0x1, 0xfffffffffffffffa}}, @common=@eui64={0x28, 'eui64\x00'}]}, @MASQUERADE={0x48, 'MASQUERADE\x00', 0x0, {0xc, @ipv6=@ipv4={[], [], @local}, @ipv4=@local, @port=0x4e20, @icmp_id=0x65}}}, {{@ipv6={@empty, @ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x1c}}, [0xffffffff, 0x0, 0xffffffff], [0xff000000, 0xffffffff, 0xffffffff, 0xffffff00], 'ip6tnl0\x00', 'veth0_to_bridge\x00', {0xff}, {0xff}, 0x0, 0x8000, 0x6, 0x4}, 0x0, 0xc8, 0xf8}, @common=@inet=@SET2={0x30, 'SET\x00', 0x2, {{0x9, 0x4, 0x7fff}, {0x6f8, 0x9f, 0x21f2}, 0x2, 0x3f}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x690) [ 583.258354][T29123] gfs2: fsid=_h: can't read superblock [ 583.259777][T29129] ? set_blocksize+0x2bf/0x340 [ 583.259801][T29129] ? memcpy+0x46/0x50 [ 583.259826][T29129] fill_super+0x12f5/0x25c0 [ 583.259857][T29129] ? gfs2_online_uevent+0x1f0/0x1f0 [ 583.259875][T29129] ? snprintf+0xbb/0xf0 [ 583.259891][T29129] ? vsprintf+0x40/0x40 [ 583.259914][T29129] ? wait_for_completion+0x440/0x440 [ 583.268622][T29123] gfs2: fsid=_h: can't read superblock: -22 [ 583.271132][T29129] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 583.271150][T29129] ? set_blocksize+0x2bf/0x340 [ 583.271169][T29129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 583.271190][T29129] gfs2_mount+0x504/0x5de [ 583.271210][T29129] ? fill_super+0x25c0/0x25c0 [ 583.271245][T29129] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 583.315242][T29129] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 583.315266][T29129] ? fill_super+0x25c0/0x25c0 [ 583.315285][T29129] legacy_get_tree+0xf2/0x200 [ 583.315305][T29129] vfs_get_tree+0x123/0x450 [ 583.315322][T29129] do_mount+0x1436/0x2c40 17:45:03 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x112, 0x400000000000) [ 583.315342][T29129] ? copy_mount_string+0x40/0x40 [ 583.315356][T29129] ? copy_mount_options+0x198/0x3a0 [ 583.315371][T29129] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 583.315388][T29129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 583.315419][T29129] ? copy_mount_options+0x280/0x3a0 [ 583.325693][T29129] ksys_mount+0xdb/0x150 [ 583.325710][T29129] __x64_sys_mount+0xbe/0x150 [ 583.325731][T29129] do_syscall_64+0x103/0x610 [ 583.325752][T29129] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 583.325764][T29129] RIP: 0033:0x45ac7a [ 583.325780][T29129] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 583.325788][T29129] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 583.325801][T29129] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 583.325809][T29129] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 583.325817][T29129] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 583.325825][T29129] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 583.325834][T29129] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 583.397679][T29129] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 583.440611][T29129] gfs2: fsid=_h: error -17 adding sysfs files [ 583.449039][T29119] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 583.479938][T29119] CPU: 0 PID: 29119 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 583.498629][T29119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 583.498635][T29119] Call Trace: [ 583.498661][T29119] dump_stack+0x172/0x1f0 [ 583.498681][T29119] sysfs_warn_dup.cold+0x1c/0x31 [ 583.498697][T29119] sysfs_create_dir_ns+0x242/0x2a0 [ 583.498711][T29119] ? sysfs_create_mount_point+0xa0/0xa0 [ 583.498736][T29119] ? vprintk_func+0x86/0x189 [ 583.498756][T29119] kobject_add_internal.cold+0xe5/0x5d4 [ 583.557858][T29119] kobject_init_and_add+0x101/0x160 [ 583.557873][T29119] ? kobject_add_internal+0x380/0x380 [ 583.557893][T29119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 583.557909][T29119] ? vsnprintf+0x58b/0x1af0 [ 583.557937][T29119] gfs2_sys_fs_add+0x1aa/0x470 [ 583.557953][T29119] ? recover_store+0x160/0x160 [ 583.557973][T29119] ? snprintf+0xbb/0xf0 [ 583.557989][T29119] ? vscnprintf+0x60/0x80 [ 583.558028][T29119] ? memcpy+0x46/0x50 [ 583.573046][T29119] fill_super+0x12f5/0x25c0 [ 583.573065][T29119] ? trace_hardirqs_on_thunk+0x1a/0x1c 17:45:03 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x3) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) 17:45:03 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x113, 0x400000000000) [ 583.573087][T29119] ? retint_user+0x2/0x18 [ 583.573105][T29119] ? gfs2_online_uevent+0x1f0/0x1f0 [ 583.573128][T29119] ? __sanitizer_cov_trace_cmp4+0x1/0x20 [ 583.573145][T29119] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 583.573170][T29119] ? set_blocksize+0x2bf/0x340 [ 583.586523][T29119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 583.586546][T29119] gfs2_mount+0x504/0x5de [ 583.586566][T29119] ? fill_super+0x25c0/0x25c0 [ 583.595842][T29119] ? fill_super+0x25c0/0x25c0 [ 583.595863][T29119] legacy_get_tree+0xf2/0x200 [ 583.595883][T29119] vfs_get_tree+0x123/0x450 [ 583.595900][T29119] do_mount+0x1436/0x2c40 [ 583.595923][T29119] ? copy_mount_string+0x40/0x40 [ 583.595944][T29119] ? copy_mount_options+0x1fb/0x3a0 [ 583.606599][T29119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 583.606616][T29119] ? copy_mount_options+0x280/0x3a0 [ 583.606635][T29119] ksys_mount+0xdb/0x150 [ 583.606653][T29119] __x64_sys_mount+0xbe/0x150 [ 583.606677][T29119] do_syscall_64+0x103/0x610 [ 583.764006][T29119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 583.769883][T29119] RIP: 0033:0x45ac7a [ 583.773762][T29119] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 583.793554][T29119] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 583.801948][T29119] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 583.809913][T29119] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 17:45:04 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gf#2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 583.817890][T29119] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 583.825864][T29119] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 583.833850][T29119] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 583.849573][T29119] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 583.862869][T29119] gfs2: fsid=_h: error -17 adding sysfs files 17:45:04 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:04 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2H', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:04 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x114, 0x400000000000) 17:45:04 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:04 executing program 3: creat(&(0x7f0000000000)='./file1\x00', 0x1) clone(0x204, 0x0, 0x0, 0x0, 0x0) mknod(&(0x7f0000000380)='./file0\x00', 0x1040, 0x0) execve(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = creat(&(0x7f0000000040)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x13) dup2(r0, r1) execve(&(0x7f0000000100)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x80481, 0x0) clone(0x3102001ff2, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000200)='./file1\x00', 0x0, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, 0x0, 0x0) [ 584.187236][T29185] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 584.195369][T29185] gfs2: fsid=_h: Now mounting FS... [ 584.201331][T29185] gfs2: not a GFS2 filesystem [ 584.222912][T29185] gfs2: fsid=_h: can't read superblock [ 584.239294][T29185] gfs2: fsid=_h: can't read superblock: -22 17:45:04 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gf%2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:04 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x115, 0x400000000000) [ 584.368458][T29198] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 584.424340][T29198] CPU: 1 PID: 29198 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 584.432417][T29198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 584.442534][T29198] Call Trace: [ 584.445855][T29198] dump_stack+0x172/0x1f0 [ 584.450220][T29198] sysfs_warn_dup.cold+0x1c/0x31 [ 584.455185][T29198] sysfs_create_dir_ns+0x242/0x2a0 [ 584.460349][T29198] ? sysfs_create_mount_point+0xa0/0xa0 [ 584.465920][T29198] kobject_add_internal.cold+0xe5/0x5d4 [ 584.475638][T29198] kobject_init_and_add+0x101/0x160 [ 584.475657][T29198] ? kobject_add_internal+0x380/0x380 [ 584.488715][T29198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 584.494971][T29198] ? vsnprintf+0x58b/0x1af0 [ 584.495002][T29198] gfs2_sys_fs_add+0x1aa/0x470 [ 584.495026][T29198] ? recover_store+0x160/0x160 [ 584.495045][T29198] ? snprintf+0xbb/0xf0 [ 584.495061][T29198] ? vscnprintf+0x60/0x80 [ 584.495080][T29198] ? set_blocksize+0x2bf/0x340 [ 584.495103][T29198] ? memcpy+0x46/0x50 [ 584.504356][T29198] fill_super+0x12f5/0x25c0 [ 584.504388][T29198] ? gfs2_online_uevent+0x1f0/0x1f0 [ 584.504414][T29198] ? snprintf+0xbb/0xf0 [ 584.504430][T29198] ? vsprintf+0x40/0x40 [ 584.504450][T29198] ? wait_for_completion+0x440/0x440 [ 584.504471][T29198] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 584.513363][T29198] ? set_blocksize+0x2bf/0x340 [ 584.513385][T29198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 584.513415][T29198] gfs2_mount+0x504/0x5de 17:45:04 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x116, 0x400000000000) [ 584.513435][T29198] ? fill_super+0x25c0/0x25c0 [ 584.513471][T29198] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 584.522538][T29198] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 584.522564][T29198] ? fill_super+0x25c0/0x25c0 [ 584.522583][T29198] legacy_get_tree+0xf2/0x200 [ 584.522602][T29198] vfs_get_tree+0x123/0x450 [ 584.522622][T29198] do_mount+0x1436/0x2c40 [ 584.531092][T29198] ? copy_mount_string+0x40/0x40 [ 584.531109][T29198] ? copy_mount_options+0x22e/0x3a0 [ 584.531126][T29198] ? __sanitizer_cov_trace_pc+0x48/0x50 17:45:04 executing program 3: [ 584.531142][T29198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 584.531155][T29198] ? copy_mount_options+0x280/0x3a0 [ 584.531174][T29198] ksys_mount+0xdb/0x150 [ 584.638078][T29198] __x64_sys_mount+0xbe/0x150 [ 584.642771][T29198] do_syscall_64+0x103/0x610 [ 584.647634][T29198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 584.653621][T29198] RIP: 0033:0x45ac7a [ 584.657528][T29198] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 584.677140][T29198] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 584.685545][T29198] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 584.693555][T29198] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 584.701644][T29198] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 584.709644][T29198] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 584.717625][T29198] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff 17:45:04 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 584.730248][T29198] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 584.745092][T29198] gfs2: fsid=_h: error -17 adding sysfs files 17:45:05 executing program 3: [ 585.017185][T29233] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 585.063960][T29233] gfs2: fsid=_h: Now mounting FS... 17:45:05 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 585.115695][T29233] gfs2: not a GFS2 filesystem [ 585.121604][T29244] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 585.157510][T29233] gfs2: fsid=_h: can't read superblock [ 585.196851][T29233] gfs2: fsid=_h: can't read superblock: -22 [ 585.214814][T29244] CPU: 0 PID: 29244 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 585.222840][T29244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 585.232908][T29244] Call Trace: [ 585.236217][T29244] dump_stack+0x172/0x1f0 [ 585.240565][T29244] sysfs_warn_dup.cold+0x1c/0x31 [ 585.245524][T29244] sysfs_create_dir_ns+0x242/0x2a0 [ 585.250646][T29244] ? sysfs_create_mount_point+0xa0/0xa0 [ 585.256215][T29244] kobject_add_internal.cold+0xe5/0x5d4 [ 585.261804][T29244] kobject_init_and_add+0x101/0x160 [ 585.267186][T29244] ? kobject_add_internal+0x380/0x380 [ 585.272574][T29244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 585.278837][T29244] ? vsnprintf+0x58b/0x1af0 [ 585.283453][T29244] gfs2_sys_fs_add+0x1aa/0x470 [ 585.283470][T29244] ? recover_store+0x160/0x160 [ 585.283489][T29244] ? snprintf+0xbb/0xf0 [ 585.283504][T29244] ? vscnprintf+0x60/0x80 [ 585.283529][T29244] ? set_blocksize+0x2bf/0x340 [ 585.283551][T29244] ? memcpy+0x46/0x50 [ 585.283573][T29244] fill_super+0x12f5/0x25c0 [ 585.310549][T29244] ? gfs2_online_uevent+0x1f0/0x1f0 [ 585.310572][T29244] ? snprintf+0xbb/0xf0 [ 585.324435][T29244] ? vsprintf+0x40/0x40 [ 585.328617][T29244] ? wait_for_completion+0x440/0x440 [ 585.334166][T29244] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 585.334183][T29244] ? set_blocksize+0x2bf/0x340 [ 585.334200][T29244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 585.334221][T29244] gfs2_mount+0x504/0x5de [ 585.334240][T29244] ? fill_super+0x25c0/0x25c0 [ 585.334278][T29244] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 585.334295][T29244] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 585.334320][T29244] ? fill_super+0x25c0/0x25c0 [ 585.334339][T29244] legacy_get_tree+0xf2/0x200 [ 585.334359][T29244] vfs_get_tree+0x123/0x450 [ 585.334376][T29244] do_mount+0x1436/0x2c40 [ 585.334410][T29244] ? copy_mount_string+0x40/0x40 [ 585.334431][T29244] ? copy_mount_options+0x1fb/0x3a0 [ 585.334447][T29244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 585.334461][T29244] ? copy_mount_options+0x280/0x3a0 [ 585.334478][T29244] ksys_mount+0xdb/0x150 [ 585.334496][T29244] __x64_sys_mount+0xbe/0x150 [ 585.334524][T29244] do_syscall_64+0x103/0x610 [ 585.334544][T29244] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 585.334556][T29244] RIP: 0033:0x45ac7a [ 585.334573][T29244] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 585.334581][T29244] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 585.334596][T29244] RAX: ffffffffffffffda RBX: 00007f2b9368bb40 RCX: 000000000045ac7a [ 585.334606][T29244] RDX: 00007f2b9368bae0 RSI: 0000000020000380 RDI: 00007f2b9368bb00 [ 585.334615][T29244] RBP: 0000000000000000 R08: 00007f2b9368bb40 R09: 00007f2b9368bae0 [ 585.334624][T29244] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 585.334634][T29244] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 585.517204][T29244] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 585.545955][T29244] gfs2: fsid=_h: error -17 adding sysfs files 17:45:05 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:05 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gf*2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:05 executing program 3: 17:45:05 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x117, 0x400000000000) [ 585.571962][T29253] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 585.580252][T29253] gfs2: fsid=_h: Now mounting FS... 17:45:05 executing program 3: 17:45:05 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x118, 0x400000000000) [ 585.613671][T29253] gfs2: not a GFS2 filesystem [ 585.621206][T29253] gfs2: fsid=_h: can't read superblock [ 585.640253][T29253] gfs2: fsid=_h: can't read superblock: -22 17:45:05 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 585.915088][T29276] sysfs: cannot create duplicate filename '/fs/gfs2/_h' 17:45:06 executing program 3: [ 585.965490][T29276] CPU: 0 PID: 29276 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 585.973539][T29276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 585.983599][T29276] Call Trace: [ 585.986912][T29276] dump_stack+0x172/0x1f0 [ 585.991262][T29276] sysfs_warn_dup.cold+0x1c/0x31 [ 585.996219][T29276] sysfs_create_dir_ns+0x242/0x2a0 [ 586.001354][T29276] ? sysfs_create_mount_point+0xa0/0xa0 [ 586.006920][T29276] kobject_add_internal.cold+0xe5/0x5d4 [ 586.012486][T29276] kobject_init_and_add+0x101/0x160 [ 586.017887][T29276] ? kobject_add_internal+0x380/0x380 [ 586.023638][T29276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 586.029981][T29276] ? vsnprintf+0x58b/0x1af0 [ 586.034507][T29276] gfs2_sys_fs_add+0x1aa/0x470 [ 586.039373][T29276] ? recover_store+0x160/0x160 [ 586.044293][T29276] ? snprintf+0xbb/0xf0 [ 586.048458][T29276] ? vscnprintf+0x60/0x80 [ 586.052904][T29276] ? set_blocksize+0x2bf/0x340 [ 586.057771][T29276] ? memcpy+0x46/0x50 [ 586.061773][T29276] fill_super+0x12f5/0x25c0 [ 586.066309][T29276] ? gfs2_online_uevent+0x1f0/0x1f0 [ 586.071637][T29276] ? snprintf+0xbb/0xf0 [ 586.075894][T29276] ? vsprintf+0x40/0x40 [ 586.080069][T29276] ? wait_for_completion+0x440/0x440 [ 586.085377][T29276] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 586.091908][T29276] ? set_blocksize+0x2bf/0x340 [ 586.096696][T29276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 586.102959][T29276] gfs2_mount+0x504/0x5de [ 586.107315][T29276] ? fill_super+0x25c0/0x25c0 [ 586.113045][T29276] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 586.119751][T29276] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 586.125887][T29276] ? fill_super+0x25c0/0x25c0 [ 586.130609][T29276] legacy_get_tree+0xf2/0x200 [ 586.135325][T29276] vfs_get_tree+0x123/0x450 [ 586.139983][T29276] do_mount+0x1436/0x2c40 [ 586.144357][T29276] ? copy_mount_string+0x40/0x40 [ 586.149314][T29276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 586.155568][T29276] ? copy_mount_options+0x280/0x3a0 [ 586.160862][T29276] ksys_mount+0xdb/0x150 17:45:06 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x119, 0x400000000000) [ 586.160882][T29276] __x64_sys_mount+0xbe/0x150 [ 586.160904][T29276] do_syscall_64+0x103/0x610 [ 586.160927][T29276] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 586.160941][T29276] RIP: 0033:0x45ac7a [ 586.160960][T29276] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 586.160968][T29276] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 586.160984][T29276] RAX: ffffffffffffffda RBX: 00007f2b9368bb40 RCX: 000000000045ac7a [ 586.160994][T29276] RDX: 00007f2b9368bae0 RSI: 0000000020000380 RDI: 00007f2b9368bb00 [ 586.161003][T29276] RBP: 0000000000000000 R08: 00007f2b9368bb40 R09: 00007f2b9368bae0 [ 586.161016][T29276] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 586.161026][T29276] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 586.166364][T29276] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 586.221186][T29276] gfs2: fsid=_h: error -17 adding sysfs files [ 586.305773][T29274] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 586.340119][T29274] CPU: 1 PID: 29274 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 586.348157][T29274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 586.358226][T29274] Call Trace: [ 586.361538][T29274] dump_stack+0x172/0x1f0 [ 586.365881][T29274] sysfs_warn_dup.cold+0x1c/0x31 [ 586.370832][T29274] sysfs_create_dir_ns+0x242/0x2a0 [ 586.375964][T29274] ? sysfs_create_mount_point+0xa0/0xa0 [ 586.381526][T29274] kobject_add_internal.cold+0xe5/0x5d4 [ 586.381549][T29274] kobject_init_and_add+0x101/0x160 [ 586.392282][T29274] ? kobject_add_internal+0x380/0x380 [ 586.392305][T29274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 586.392321][T29274] ? vsnprintf+0x58b/0x1af0 [ 586.392351][T29274] gfs2_sys_fs_add+0x1aa/0x470 [ 586.403946][T29274] ? recover_store+0x160/0x160 [ 586.403967][T29274] ? snprintf+0xbb/0xf0 [ 586.403982][T29274] ? vscnprintf+0x60/0x80 [ 586.404000][T29274] ? set_blocksize+0x2bf/0x340 [ 586.404064][T29274] ? memcpy+0x46/0x50 [ 586.404088][T29274] fill_super+0x12f5/0x25c0 [ 586.413346][T29274] ? gfs2_online_uevent+0x1f0/0x1f0 [ 586.413364][T29274] ? snprintf+0xbb/0xf0 [ 586.413379][T29274] ? vsprintf+0x40/0x40 [ 586.413409][T29274] ? wait_for_completion+0x440/0x440 [ 586.413430][T29274] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 586.449374][T29274] ? set_blocksize+0x2bf/0x340 [ 586.449395][T29274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 586.449426][T29274] gfs2_mount+0x504/0x5de [ 586.449449][T29274] ? fill_super+0x25c0/0x25c0 [ 586.458926][T29274] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 586.458945][T29274] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 586.458970][T29274] ? fill_super+0x25c0/0x25c0 [ 586.510875][T29274] legacy_get_tree+0xf2/0x200 [ 586.515561][T29274] vfs_get_tree+0x123/0x450 [ 586.520248][T29274] do_mount+0x1436/0x2c40 [ 586.524595][T29274] ? copy_mount_string+0x40/0x40 [ 586.529543][T29274] ? _copy_from_user+0xdd/0x150 [ 586.534415][T29274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 586.542235][T29274] ? copy_mount_options+0x280/0x3a0 [ 586.547470][T29274] ksys_mount+0xdb/0x150 [ 586.551720][T29274] __x64_sys_mount+0xbe/0x150 [ 586.556410][T29274] do_syscall_64+0x103/0x610 [ 586.561019][T29274] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 586.566908][T29274] RIP: 0033:0x45ac7a [ 586.570805][T29274] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 17:45:06 executing program 3: r0 = openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/attr/current\x00', 0x2, 0x0) write$apparmor_current(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="7065726d68617420342ab837f00a76df303030303030303030345e"], 0x1) 17:45:06 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x11a, 0x400000000000) [ 586.590418][T29274] RSP: 002b:00007fb6b6a21a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 586.598851][T29274] RAX: ffffffffffffffda RBX: 00007fb6b6a21b40 RCX: 000000000045ac7a [ 586.606824][T29274] RDX: 00007fb6b6a21ae0 RSI: 0000000020000380 RDI: 00007fb6b6a21b00 [ 586.614813][T29274] RBP: 0000000000000000 R08: 00007fb6b6a21b40 R09: 00007fb6b6a21ae0 [ 586.622796][T29274] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 586.630811][T29274] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 586.653523][T29274] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 586.688509][T29276] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 586.734559][T29276] gfs2: fsid=_h: Now mounting FS... [ 586.741279][T29274] gfs2: fsid=_h: error -17 adding sysfs files [ 586.759507][T29276] gfs2: not a GFS2 filesystem 17:45:07 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 586.787956][T29276] gfs2: fsid=_h: can't read superblock [ 586.813458][T29276] gfs2: fsid=_h: can't read superblock: -22 17:45:07 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:07 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gf+2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:07 executing program 3: 17:45:07 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x11b, 0x400000000000) 17:45:07 executing program 3: 17:45:07 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x11c, 0x400000000000) [ 587.109165][T29325] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 587.129654][T29324] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 587.138771][T29325] gfs2: fsid=_h: Now mounting FS... 17:45:07 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:07 executing program 3: 17:45:07 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x11d, 0x400000000000) [ 587.159350][T29325] gfs2: not a GFS2 filesystem [ 587.185894][T29324] CPU: 1 PID: 29324 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 587.193936][T29324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 587.204009][T29324] Call Trace: [ 587.207332][T29324] dump_stack+0x172/0x1f0 [ 587.211689][T29324] sysfs_warn_dup.cold+0x1c/0x31 [ 587.216741][T29324] sysfs_create_dir_ns+0x242/0x2a0 [ 587.221881][T29324] ? sysfs_create_mount_point+0xa0/0xa0 [ 587.227467][T29324] kobject_add_internal.cold+0xe5/0x5d4 17:45:07 executing program 3: 17:45:07 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x11e, 0x400000000000) [ 587.233049][T29324] kobject_init_and_add+0x101/0x160 [ 587.238269][T29324] ? kobject_add_internal+0x380/0x380 [ 587.243660][T29324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 587.249908][T29324] ? vsnprintf+0x58b/0x1af0 [ 587.254652][T29324] gfs2_sys_fs_add+0x1aa/0x470 [ 587.259426][T29324] ? recover_store+0x160/0x160 [ 587.261112][T29325] gfs2: fsid=_h: can't read superblock [ 587.264197][T29324] ? snprintf+0xbb/0xf0 [ 587.264215][T29324] ? vscnprintf+0x60/0x80 [ 587.264233][T29324] ? set_blocksize+0x2bf/0x340 [ 587.264254][T29324] ? memcpy+0x46/0x50 [ 587.264277][T29324] fill_super+0x12f5/0x25c0 [ 587.264303][T29324] ? gfs2_online_uevent+0x1f0/0x1f0 [ 587.264319][T29324] ? snprintf+0xbb/0xf0 [ 587.264334][T29324] ? vsprintf+0x40/0x40 [ 587.264353][T29324] ? wait_for_completion+0x440/0x440 [ 587.264369][T29324] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 587.264390][T29324] ? set_blocksize+0x2bf/0x340 [ 587.271327][T29325] gfs2: fsid=_h: can't read superblock: -22 [ 587.274056][T29324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 587.274079][T29324] gfs2_mount+0x504/0x5de [ 587.274097][T29324] ? fill_super+0x25c0/0x25c0 [ 587.274140][T29324] ? __sanitizer_cov_trace_const_cmp4+0xd/0x20 [ 587.274160][T29324] ? fill_super+0x25c0/0x25c0 [ 587.316371][T29324] legacy_get_tree+0xf2/0x200 [ 587.316392][T29324] vfs_get_tree+0x123/0x450 [ 587.316420][T29324] do_mount+0x1436/0x2c40 [ 587.316443][T29324] ? copy_mount_string+0x40/0x40 [ 587.316462][T29324] ? audit_add_tree_rule.cold+0x37/0x37 [ 587.316477][T29324] ? copy_mount_options+0x280/0x3a0 [ 587.316494][T29324] ksys_mount+0xdb/0x150 [ 587.316511][T29324] __x64_sys_mount+0xbe/0x150 [ 587.316542][T29324] do_syscall_64+0x103/0x610 [ 587.327317][T29324] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 587.327331][T29324] RIP: 0033:0x45ac7a [ 587.327348][T29324] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 587.327356][T29324] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 587.327371][T29324] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 587.327380][T29324] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 587.327388][T29324] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 587.327395][T29324] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 587.327415][T29324] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 587.334327][T29324] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 587.345421][T29324] gfs2: fsid=_h: error -17 adding sysfs files 17:45:07 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 587.598213][T29344] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 587.623526][T29344] gfs2: fsid=_h: Now mounting FS... [ 587.629501][T29344] gfs2: not a GFS2 filesystem [ 587.644852][T29357] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 587.648505][T29344] gfs2: fsid=_h: can't read superblock [ 587.680779][T29357] CPU: 1 PID: 29357 Comm: syz-executor.5 Not tainted 5.1.0-rc1+ #32 [ 587.688817][T29357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 587.699445][T29357] Call Trace: [ 587.699824][T29344] gfs2: fsid=_h: can't read superblock: -22 [ 587.702768][T29357] dump_stack+0x172/0x1f0 [ 587.702796][T29357] sysfs_warn_dup.cold+0x1c/0x31 [ 587.702814][T29357] sysfs_create_dir_ns+0x242/0x2a0 [ 587.702837][T29357] ? sysfs_create_mount_point+0xa0/0xa0 [ 587.729949][T29357] kobject_add_internal.cold+0xe5/0x5d4 [ 587.735925][T29357] kobject_init_and_add+0x101/0x160 [ 587.741668][T29357] ? kobject_add_internal+0x380/0x380 [ 587.747097][T29357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 587.747114][T29357] ? vsnprintf+0x58b/0x1af0 [ 587.747138][T29357] gfs2_sys_fs_add+0x1aa/0x470 [ 587.747154][T29357] ? recover_store+0x160/0x160 [ 587.747172][T29357] ? snprintf+0xbb/0xf0 [ 587.747188][T29357] ? vscnprintf+0x60/0x80 [ 587.747207][T29357] ? set_blocksize+0x2bf/0x340 [ 587.747227][T29357] ? memcpy+0x46/0x50 [ 587.747253][T29357] fill_super+0x12f5/0x25c0 [ 587.747280][T29357] ? gfs2_online_uevent+0x1f0/0x1f0 [ 587.747296][T29357] ? snprintf+0xbb/0xf0 [ 587.747318][T29357] ? vsprintf+0x40/0x40 [ 587.767469][T29362] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 587.770782][T29357] ? wait_for_completion+0x440/0x440 [ 587.770798][T29357] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 587.770813][T29357] ? set_blocksize+0x2bf/0x340 [ 587.770832][T29357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 587.770853][T29357] gfs2_mount+0x504/0x5de [ 587.770875][T29357] ? fill_super+0x25c0/0x25c0 [ 587.770915][T29357] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 587.770934][T29357] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 587.770956][T29357] ? fill_super+0x25c0/0x25c0 [ 587.770974][T29357] legacy_get_tree+0xf2/0x200 [ 587.770995][T29357] vfs_get_tree+0x123/0x450 [ 587.771019][T29357] do_mount+0x1436/0x2c40 [ 587.771053][T29357] ? copy_mount_string+0x40/0x40 [ 587.815516][T29357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 587.815531][T29357] ? copy_mount_options+0x280/0x3a0 [ 587.815551][T29357] ksys_mount+0xdb/0x150 [ 587.815569][T29357] __x64_sys_mount+0xbe/0x150 [ 587.815587][T29357] do_syscall_64+0x103/0x610 [ 587.815607][T29357] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 587.815619][T29357] RIP: 0033:0x45ac7a [ 587.815635][T29357] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 587.815652][T29357] RSP: 002b:00007fb6b6a00a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 587.826760][T29357] RAX: ffffffffffffffda RBX: 00007fb6b6a00b40 RCX: 000000000045ac7a [ 587.826769][T29357] RDX: 00007fb6b6a00ae0 RSI: 0000000020000380 RDI: 00007fb6b6a00b00 [ 587.826777][T29357] RBP: 0000000000000000 R08: 00007fb6b6a00b40 R09: 00007fb6b6a00ae0 [ 587.826784][T29357] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 587.826792][T29357] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 587.879327][T29357] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 587.894495][T29362] CPU: 0 PID: 29362 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 587.922646][T29357] gfs2: fsid=_h: error -17 adding sysfs files [ 587.941409][T29362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 587.941417][T29362] Call Trace: [ 587.941446][T29362] dump_stack+0x172/0x1f0 [ 587.941465][T29362] sysfs_warn_dup.cold+0x1c/0x31 [ 587.941480][T29362] sysfs_create_dir_ns+0x242/0x2a0 [ 587.941493][T29362] ? sysfs_create_mount_point+0xa0/0xa0 [ 587.941527][T29362] kobject_add_internal.cold+0xe5/0x5d4 [ 587.941546][T29362] kobject_init_and_add+0x101/0x160 [ 587.941559][T29362] ? kobject_add_internal+0x380/0x380 [ 587.941575][T29362] ? retint_kernel+0x2d/0x2d [ 587.941608][T29362] gfs2_sys_fs_add+0x1aa/0x470 [ 587.941623][T29362] ? recover_store+0x160/0x160 [ 587.941642][T29362] ? snprintf+0xbb/0xf0 [ 587.941656][T29362] ? vscnprintf+0x60/0x80 [ 587.941677][T29362] ? sb_set_blocksize+0xac/0x110 [ 587.941695][T29362] ? memcpy+0x46/0x50 [ 587.941719][T29362] fill_super+0x12f5/0x25c0 [ 587.959217][T29362] ? gfs2_online_uevent+0x1f0/0x1f0 [ 587.959237][T29362] ? snprintf+0xbb/0xf0 [ 587.959251][T29362] ? vsprintf+0x40/0x40 [ 587.959271][T29362] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 587.959287][T29362] ? set_blocksize+0x2bf/0x340 [ 587.959305][T29362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 587.959326][T29362] gfs2_mount+0x504/0x5de [ 587.975606][T29362] ? fill_super+0x25c0/0x25c0 [ 587.975654][T29362] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 587.975684][T29362] ? security_sb_eat_lsm_opts+0x71/0xb0 [ 587.991910][T29362] ? fill_super+0x25c0/0x25c0 [ 587.991930][T29362] legacy_get_tree+0xf2/0x200 [ 587.991951][T29362] vfs_get_tree+0x123/0x450 [ 587.991967][T29362] do_mount+0x1436/0x2c40 [ 587.991990][T29362] ? copy_mount_string+0x40/0x40 [ 587.992016][T29362] ? __sanitizer_cov_trace_const_cmp4+0x1/0x20 [ 588.014121][T29362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 588.014135][T29362] ? copy_mount_options+0x280/0x3a0 [ 588.014152][T29362] ksys_mount+0xdb/0x150 [ 588.014169][T29362] __x64_sys_mount+0xbe/0x150 [ 588.014188][T29362] ? do_syscall_64+0x5b/0x610 [ 588.014205][T29362] do_syscall_64+0x103/0x610 [ 588.014225][T29362] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 588.014237][T29362] RIP: 0033:0x45ac7a [ 588.014254][T29362] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 588.014262][T29362] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 588.014276][T29362] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 588.014285][T29362] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 588.014294][T29362] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 588.014311][T29362] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 17:45:08 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:08 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gf-2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:08 executing program 3: 17:45:08 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x11f, 0x400000000000) [ 588.035165][T29362] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 588.310077][T29362] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 588.323596][T29362] gfs2: fsid=_h: error -17 adding sysfs files 17:45:08 executing program 3: 17:45:08 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x120, 0x400000000000) 17:45:08 executing program 0: syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:08 executing program 1: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) truncate(0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000880), 0x0, 0x120, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x3) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) 17:45:08 executing program 3: r0 = syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(0xffffffffffffffff, 0x40046207, 0x0) r1 = syz_open_dev$binder(0x0, 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000012000)={0x8, 0x0, &(0x7f0000005fd4)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000008fd0)={0x4, 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0e630c40"], 0x0, 0x0, 0x0}) r2 = dup3(r1, r0, 0x0) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f0000000240)={0x8, 0x0, &(0x7f0000000040)=[@release], 0x0, 0x0, 0x0}) 17:45:08 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000008c0)='net/dev\x00\xbc\xa8 \xb3[\xads\xec(\xaa\xc3\x98\xa0\xff\xd8.1?\x97i\x03\xc1[\xedn9\x9c\xf3a\xa2p\xa8\xb5F\xeea%\xa0\xe5k\xf5i\xb8\xa5\x98W\xdeD\xe02\x9b7$\xa7\xc5M\x8d\xd7\x95\xe2\xd9|y\x97K\xc8\x8a\xcd\xc6{\xcap\xec\xa8\xcfxL6J;[\xe7\x1c7\xe1\x9a<\xb0\x1e\xcfw\xc1=\xf5\x1c\x9cG\x85a\xae\xc9\xb8\xcak\x89\x82\xfe!\t\xf7Yf\xda\xf8\xed\xd6\xb9\x18\x81\x04z\x86\xdad2\xc9\x8c;O\xfb\x8e?\xf4>o\xa7K\xec\x1c\x03g*{2\xb1=\xb6;\xf5\xd7x\x06\x9dwHM\x88:\x86$\xffG\xf5\xaa\x1a\b%}\xbc') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000000540)}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") preadv(r0, &(0x7f00000017c0), 0x121, 0x400000000000) [ 588.652777][T29399] binder: 29396:29399 Acquire 1 refcount change on invalid ref 0 ret -22 [ 588.665914][T29387] gfs2: fsid=_h: Trying to join cluster "lock_nolock", "_h" [ 588.673559][T29387] gfs2: fsid=_h: Now mounting FS... [ 588.689115][T29399] binder: 29396:29399 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 [ 588.697296][T29387] gfs2: not a GFS2 filesystem [ 588.702582][T29387] gfs2: fsid=_h: can't read superblock [ 588.708251][T29387] gfs2: fsid=_h: can't read superblock: -22 [ 588.717177][T29399] binder: 29396:29399 Release 1 refcount change on invalid ref 0 ret -22 [ 588.732222][T29399] binder: 29396:29399 Acquire 1 refcount change on invalid ref 0 ret -22 17:45:08 executing program 2: ioctl$IMGETVERSION(0xffffffffffffffff, 0x80044942, 0x0) bind$inet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gf.2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 588.758375][T29402] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 588.781118][T29403] binder: 29396:29403 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 [ 588.796482][T29402] CPU: 0 PID: 29402 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 588.804612][T29402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 588.815036][T29402] Call Trace: [ 588.818446][T29402] dump_stack+0x172/0x1f0 [ 588.818472][T29402] sysfs_warn_dup.cold+0x1c/0x31 [ 588.818492][T29402] sysfs_create_dir_ns+0x242/0x2a0 [ 588.818510][T29402] ? sysfs_create_mount_point+0xa0/0xa0 [ 588.818550][T29402] kobject_add_internal.cold+0xe5/0x5d4 [ 588.818576][T29402] kobject_init_and_add+0x101/0x160 [ 588.818593][T29402] ? kobject_add_internal+0x380/0x380 [ 588.818619][T29402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 588.827937][T29402] ? vsnprintf+0x58b/0x1af0 [ 588.827968][T29402] gfs2_sys_fs_add+0x1aa/0x470 [ 588.827985][T29402] ? recover_store+0x160/0x160 [ 588.828005][T29402] ? snprintf+0xbb/0xf0 [ 588.828021][T29402] ? vscnprintf+0x60/0x80 [ 588.828040][T29402] ? set_blocksize+0x2bf/0x340 [ 588.828062][T29402] ? memcpy+0x46/0x50 [ 588.849317][T29386] sysfs: cannot create duplicate filename '/fs/gfs2/_h' [ 588.850266][T29402] fill_super+0x12f5/0x25c0 [ 588.850299][T29402] ? gfs2_online_uevent+0x1f0/0x1f0 [ 588.850319][T29402] ? snprintf+0xbb/0xf0 [ 588.850336][T29402] ? vsprintf+0x40/0x40 [ 588.850356][T29402] ? wait_for_completion+0x440/0x440 [ 588.850385][T29402] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 588.866639][T29402] ? set_blocksize+0x2bf/0x340 [ 588.866662][T29402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 588.866684][T29402] gfs2_mount+0x504/0x5de [ 588.866704][T29402] ? fill_super+0x25c0/0x25c0 [ 588.866739][T29402] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 588.866757][T29402] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 588.866780][T29402] ? fill_super+0x25c0/0x25c0 [ 588.930878][T29402] legacy_get_tree+0xf2/0x200 [ 588.930899][T29402] vfs_get_tree+0x123/0x450 [ 588.930916][T29402] do_mount+0x1436/0x2c40 [ 588.930938][T29402] ? copy_mount_string+0x40/0x40 [ 588.930957][T29402] ? _copy_from_user+0xdd/0x150 [ 588.930976][T29402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 588.930990][T29402] ? copy_mount_options+0x280/0x3a0 [ 588.931009][T29402] ksys_mount+0xdb/0x150 [ 588.931035][T29402] __x64_sys_mount+0xbe/0x150 [ 588.943289][T29406] binder: 29396:29406 Release 1 refcount change on invalid ref 0 ret -22 [ 588.946747][T29402] do_syscall_64+0x103/0x610 [ 588.946770][T29402] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 588.946783][T29402] RIP: 0033:0x45ac7a [ 588.946799][T29402] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 588.946806][T29402] RSP: 002b:00007f2b9368ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 588.946821][T29402] RAX: ffffffffffffffda RBX: 00007f2b9368bb40 RCX: 000000000045ac7a [ 588.946830][T29402] RDX: 00007f2b9368bae0 RSI: 0000000020000380 RDI: 00007f2b9368bb00 [ 588.946839][T29402] RBP: 0000000000000000 R08: 00007f2b9368bb40 R09: 00007f2b9368bae0 [ 588.946848][T29402] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 588.946867][T29402] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 589.030844][T29386] CPU: 1 PID: 29386 Comm: syz-executor.1 Not tainted 5.1.0-rc1+ #32 [ 589.060009][T29386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 589.060021][T29386] Call Trace: [ 589.060049][T29386] dump_stack+0x172/0x1f0 [ 589.060070][T29386] sysfs_warn_dup.cold+0x1c/0x31 [ 589.060085][T29386] sysfs_create_dir_ns+0x242/0x2a0 [ 589.060098][T29386] ? sysfs_create_mount_point+0xa0/0xa0 17:45:09 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/load\x00', 0x2, 0x0) write$selinux_load(r0, &(0x7f00000000c0)=ANY=[@ANYBLOB="8cff7cf9080000005345204c696e75781500000000f6000008000000070000004006000000000000090000070000000000000000000000003c5a580000000000000000000000000000c652e8a000000000c70000000000040014ecde"], 0x5c) [ 589.060122][T29386] ? vprintk_func+0x86/0x189 [ 589.060140][T29386] kobject_add_internal.cold+0xe5/0x5d4 [ 589.060159][T29386] kobject_init_and_add+0x101/0x160 [ 589.060180][T29386] ? kobject_add_internal+0x380/0x380 [ 589.079163][T29386] gfs2_sys_fs_add+0x1aa/0x470 [ 589.079182][T29386] ? recover_store+0x160/0x160 [ 589.079202][T29386] ? snprintf+0xbb/0xf0 [ 589.079226][T29386] ? vscnprintf+0x60/0x80 [ 589.096210][T29386] ? check_memory_region+0x112/0x190 [ 589.096231][T29386] ? memcpy+0x46/0x50 [ 589.096254][T29386] fill_super+0x12f5/0x25c0 [ 589.096270][T29386] ? retint_kernel+0x2d/0x2d [ 589.096285][T29386] ? trace_hardirqs_on_caller+0x6a/0x220 [ 589.096308][T29386] ? gfs2_online_uevent+0x1f0/0x1f0 [ 589.096322][T29386] ? retint_kernel+0x2d/0x2d [ 589.096348][T29386] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 589.112878][T29386] ? set_blocksize+0x2bf/0x340 [ 589.112897][T29386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 589.112918][T29386] gfs2_mount+0x504/0x5de [ 589.112937][T29386] ? fill_super+0x25c0/0x25c0 [ 589.112982][T29386] ? selinux_sb_eat_lsm_opts+0x5da/0x6e0 [ 589.132356][T29386] ? security_sb_eat_lsm_opts+0x71/0xb0 [ 589.132375][T29386] ? fill_super+0x25c0/0x25c0 [ 589.132393][T29386] legacy_get_tree+0xf2/0x200 [ 589.132423][T29386] vfs_get_tree+0x123/0x450 [ 589.132438][T29386] do_mount+0x1436/0x2c40 [ 589.132458][T29386] ? copy_mount_string+0x40/0x40 [ 589.132478][T29386] ? copy_mount_options+0x1fb/0x3a0 [ 589.132501][T29386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 589.140151][T29386] ? copy_mount_options+0x280/0x3a0 [ 589.140168][T29386] ksys_mount+0xdb/0x150 [ 589.140185][T29386] __x64_sys_mount+0xbe/0x150 [ 589.140205][T29386] do_syscall_64+0x103/0x610 [ 589.140226][T29386] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 589.140245][T29386] RIP: 0033:0x45ac7a [ 589.145726][T29402] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 589.152182][T29386] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 589.152191][T29386] RSP: 002b:00007f5152240a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 589.152204][T29386] RAX: ffffffffffffffda RBX: 00007f5152240b40 RCX: 000000000045ac7a [ 589.152212][T29386] RDX: 00007f5152240ae0 RSI: 0000000020000380 RDI: 00007f5152240b00 [ 589.152220][T29386] RBP: 0000000000000000 R08: 00007f5152240b40 R09: 00007f5152240ae0 [ 589.152228][T29386] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 589.152236][T29386] R13: 00000000004c6a65 R14: 00000000004dc058 R15: 00000000ffffffff [ 589.162085][T29386] kobject_add_internal failed for _h with -EEXIST, don't try to register things with the same name in the same directory. [ 589.169241][T29402] gfs2: fsid=_h: error -17 adding sysfs files [ 589.216121][T29386] gfs2: fsid=_h: error -17 adding sysfs files [ 589.240954][ T3876] kobject: 'loop3' (000000003c4a91fa): kobject_uevent_env [ 589.254183][T29419] kasan: CONFIG_KASAN_INLINE enabled [ 589.270824][ T3876] kobject: 'loop3' (000000003c4a91fa): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 589.288657][T29419] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 589.377016][ T3876] kobject: 'loop1' (00000000d73c75cb): kobject_uevent_env