][ T7406] ? putname+0xc5/0xe0
[ 166.348698][ T7406] __x64_sys_mount+0x1a2/0x1e0
[ 166.348724][ T7406] do_syscall_64+0xa4/0xfa0
[ 166.348754][ T7406] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 166.348776][ T7406] RIP: 0033:0x7fe0b7390e6a
[ 166.348792][ T7406] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 166.348813][ T7406] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 166.348832][ T7406] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 166.348846][ T7406] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 166.348859][ T7406] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 166.348872][ T7406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 166.348885][ T7406] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 166.348901][ T7406]
[ 166.348914][ T7406] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 166.559524][ T7401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 166.620488][ T7406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 167.220542][ T5859] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 937ms
[ 167.247386][ T5859] gfs2: fsid=syz:syz.0: jid=0: Done
[ 167.255397][ T7432] loop0: detected capacity change from 0 to 32768
[ 167.258175][ T7403] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 167.265726][ T7433] loop3: detected capacity change from 0 to 32768
[ 167.281917][ T7430] loop6: detected capacity change from 0 to 32768
[ 167.302764][ T7432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 167.311464][ T7403] gfs2: fsid=syz:syz.0: fatal: assertion "!atomic_read(&gl->gl_ail_count)" failed - function = inode_go_inval, file = fs/gfs2/glops.c, line = 362
[ 167.317375][ T7432] CPU: 1 UID: 0 PID: 7432 Comm: syz.0.108 Not tainted syzkaller #0 PREEMPT(full)
[ 167.317404][ T7432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 167.317417][ T7432] Call Trace:
[ 167.317422][ T7432]
[ 167.317428][ T7432] dump_stack_lvl+0xab/0xe0
[ 167.317462][ T7432] sysfs_warn_dup+0x64/0x70
[ 167.317496][ T7432] sysfs_create_dir_ns+0x127/0x140
[ 167.317531][ T7432] kobject_add_internal+0x104/0x370
[ 167.317566][ T7432] kobject_init_and_add+0xab/0xf0
[ 167.317602][ T7432] ? alloc_workqueue_noprof+0x836/0xbe0
[ 167.317633][ T7432] gfs2_sys_fs_add+0xf6/0x230
[ 167.317654][ T7432] gfs2_fill_super+0x7ed/0x1430
[ 167.317681][ T7432] ? sb_set_blocksize+0xc4/0xf0
[ 167.317715][ T7432] ? setup_bdev_super+0x19d/0x330
[ 167.317749][ T7432] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.317775][ T7432] get_tree_bdev_flags+0x1c2/0x290
[ 167.317798][ T7432] gfs2_get_tree+0x26/0xd0
[ 167.317821][ T7432] vfs_get_tree+0x31/0x130
[ 167.317852][ T7432] path_mount+0x5b2/0x12e0
[ 167.317877][ T7432] ? putname+0xc5/0xe0
[ 167.317903][ T7432] __x64_sys_mount+0x1a2/0x1e0
[ 167.317929][ T7432] do_syscall_64+0xa4/0xfa0
[ 167.317957][ T7432] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.317979][ T7432] RIP: 0033:0x7fddb9790e6a
[ 167.317995][ T7432] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 167.318017][ T7432] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.318036][ T7432] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 167.318051][ T7432] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 167.318065][ T7432] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 167.318078][ T7432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 167.318092][ T7432] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 167.318109][ T7432]
[ 167.318119][ T7432] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 167.349173][ T7435] loop5: detected capacity change from 0 to 32768
[ 167.357411][ T7403] CPU: 1 UID: 0 PID: 7403 Comm: syz.1.100 Not tainted syzkaller #0 PREEMPT(full)
[ 167.357438][ T7403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 167.357450][ T7403] Call Trace:
[ 167.357456][ T7403]
[ 167.357462][ T7403] dump_stack_lvl+0xab/0xe0
[ 167.357493][ T7403] gfs2_withdraw+0x7c/0xf0
[ 167.357516][ T7403] gfs2_assert_withdraw_i+0x68/0x80
[ 167.357539][ T7403] inode_go_inval+0x1da/0x1e0
[ 167.357562][ T7403] gfs2_make_fs_rw+0x34/0x100
[ 167.357589][ T7403] gfs2_fill_super+0x12af/0x1430
[ 167.357615][ T7403] ? gfs2_fill_super+0xa78/0x1430
[ 167.357640][ T7403] ? setup_bdev_super+0x19d/0x330
[ 167.357673][ T7403] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.357698][ T7403] get_tree_bdev_flags+0x1c2/0x290
[ 167.357721][ T7403] gfs2_get_tree+0x26/0xd0
[ 167.357743][ T7403] vfs_get_tree+0x31/0x130
[ 167.357773][ T7403] path_mount+0x5b2/0x12e0
[ 167.357797][ T7403] ? putname+0xc5/0xe0
[ 167.357822][ T7403] __x64_sys_mount+0x1a2/0x1e0
[ 167.357847][ T7403] do_syscall_64+0xa4/0xfa0
[ 167.357874][ T7403] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.357896][ T7403] RIP: 0033:0x7f079e790e6a
[ 167.357912][ T7403] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 167.357932][ T7403] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.357951][ T7403] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 167.357965][ T7403] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 167.357978][ T7403] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 167.357991][ T7403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 167.358004][ T7403] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 167.358020][ T7403]
[ 167.358028][ T7403] CPU: 1 UID: 0 PID: 7403 Comm: syz.1.100 Not tainted syzkaller #0 PREEMPT(full)
[ 167.358052][ T7403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 167.358064][ T7403] Call Trace:
[ 167.358069][ T7403]
[ 167.358074][ T7403] dump_stack_lvl+0xab/0xe0
[ 167.358102][ T7403] gfs2_assert_withdraw_i+0x6d/0x80
[ 167.358125][ T7403] inode_go_inval+0x1da/0x1e0
[ 167.358146][ T7403] gfs2_make_fs_rw+0x34/0x100
[ 167.358173][ T7403] gfs2_fill_super+0x12af/0x1430
[ 167.358199][ T7403] ? gfs2_fill_super+0xa78/0x1430
[ 167.358223][ T7403] ? setup_bdev_super+0x19d/0x330
[ 167.358261][ T7403] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.358286][ T7403] get_tree_bdev_flags+0x1c2/0x290
[ 167.358306][ T7403] gfs2_get_tree+0x26/0xd0
[ 167.358326][ T7403] vfs_get_tree+0x31/0x130
[ 167.358356][ T7403] path_mount+0x5b2/0x12e0
[ 167.358380][ T7403] ? putname+0xc5/0xe0
[ 167.358405][ T7403] __x64_sys_mount+0x1a2/0x1e0
[ 167.358430][ T7403] do_syscall_64+0xa4/0xfa0
[ 167.358457][ T7403] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.358478][ T7403] RIP: 0033:0x7f079e790e6a
[ 167.358491][ T7403] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 167.358511][ T7403] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.358528][ T7403] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 167.358542][ T7403] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 167.358556][ T7403] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 167.358569][ T7403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 167.358581][ T7403] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 167.358598][ T7403]
[ 167.370522][ T7433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 167.439436][ T7432] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 167.441036][ T7403] gfs2: fsid=syz:syz.0: can't make FS RW: -5
[ 167.479268][ T7433] CPU: 0 UID: 0 PID: 7433 Comm: syz.3.106 Not tainted syzkaller #0 PREEMPT(full)
[ 167.479294][ T7433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 167.479307][ T7433] Call Trace:
[ 167.479312][ T7433]
[ 167.479319][ T7433] dump_stack_lvl+0xab/0xe0
[ 167.479352][ T7433] sysfs_warn_dup+0x64/0x70
[ 167.479386][ T7433] sysfs_create_dir_ns+0x127/0x140
[ 167.479421][ T7433] kobject_add_internal+0x104/0x370
[ 167.479455][ T7433] kobject_init_and_add+0xab/0xf0
[ 167.479546][ T7433] ? alloc_workqueue_noprof+0x836/0xbe0
[ 167.479577][ T7433] gfs2_sys_fs_add+0xf6/0x230
[ 167.479599][ T7433] gfs2_fill_super+0x7ed/0x1430
[ 167.479625][ T7433] ? sb_set_blocksize+0xc4/0xf0
[ 167.479659][ T7433] ? setup_bdev_super+0x19d/0x330
[ 167.479693][ T7433] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.479717][ T7433] get_tree_bdev_flags+0x1c2/0x290
[ 167.479740][ T7433] gfs2_get_tree+0x26/0xd0
[ 167.479762][ T7433] vfs_get_tree+0x31/0x130
[ 167.479799][ T7433] path_mount+0x5b2/0x12e0
[ 167.479824][ T7433] ? putname+0xc5/0xe0
[ 167.479849][ T7433] __x64_sys_mount+0x1a2/0x1e0
[ 167.479875][ T7433] do_syscall_64+0xa4/0xfa0
[ 167.479903][ T7433] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.479926][ T7433] RIP: 0033:0x7f7f26990e6a
[ 167.479941][ T7433] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 167.479962][ T7433] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.479982][ T7433] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 167.479996][ T7433] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 167.480009][ T7433] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 167.480022][ T7433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 167.480035][ T7433] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 167.480051][ T7433]
[ 167.480061][ T7433] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 167.682762][ T7437] loop2: detected capacity change from 0 to 32768
[ 167.692601][ T7435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 167.718001][ T7433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 167.723241][ T7435] CPU: 0 UID: 0 PID: 7435 Comm: syz.5.109 Not tainted syzkaller #0 PREEMPT(full)
[ 167.723268][ T7435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 167.723282][ T7435] Call Trace:
[ 167.723288][ T7435]
[ 167.723295][ T7435] dump_stack_lvl+0xab/0xe0
[ 167.723333][ T7435] sysfs_warn_dup+0x64/0x70
[ 167.723368][ T7435] sysfs_create_dir_ns+0x127/0x140
[ 167.723403][ T7435] kobject_add_internal+0x104/0x370
[ 167.723436][ T7435] kobject_init_and_add+0xab/0xf0
[ 167.723470][ T7435] ? alloc_workqueue_noprof+0x836/0xbe0
[ 167.723501][ T7435] gfs2_sys_fs_add+0xf6/0x230
[ 167.723522][ T7435] gfs2_fill_super+0x7ed/0x1430
[ 167.723548][ T7435] ? sb_set_blocksize+0xc4/0xf0
[ 167.723581][ T7435] ? setup_bdev_super+0x19d/0x330
[ 167.723615][ T7435] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.723640][ T7435] get_tree_bdev_flags+0x1c2/0x290
[ 167.723662][ T7435] gfs2_get_tree+0x26/0xd0
[ 167.723684][ T7435] vfs_get_tree+0x31/0x130
[ 167.723715][ T7435] path_mount+0x5b2/0x12e0
[ 167.723739][ T7435] ? putname+0xc5/0xe0
[ 167.723765][ T7435] __x64_sys_mount+0x1a2/0x1e0
[ 167.723791][ T7435] do_syscall_64+0xa4/0xfa0
[ 167.723819][ T7435] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.723841][ T7435] RIP: 0033:0x7fb323790e6a
[ 167.723856][ T7435] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 167.723877][ T7435] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.723896][ T7435] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 167.723910][ T7435] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 167.723923][ T7435] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 167.723937][ T7435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 167.723949][ T7435] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 167.723966][ T7435]
[ 167.723975][ T7435] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 167.742637][ T7430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 167.753356][ T7435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 167.931020][ T7430] CPU: 1 UID: 0 PID: 7430 Comm: syz.6.107 Not tainted syzkaller #0 PREEMPT(full)
[ 167.931048][ T7430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 167.931061][ T7430] Call Trace:
[ 167.931067][ T7430]
[ 167.931073][ T7430] dump_stack_lvl+0xab/0xe0
[ 167.931106][ T7430] sysfs_warn_dup+0x64/0x70
[ 167.931141][ T7430] sysfs_create_dir_ns+0x127/0x140
[ 167.931177][ T7430] kobject_add_internal+0x104/0x370
[ 167.931212][ T7430] kobject_init_and_add+0xab/0xf0
[ 167.931248][ T7430] ? alloc_workqueue_noprof+0x836/0xbe0
[ 167.931278][ T7430] gfs2_sys_fs_add+0xf6/0x230
[ 167.931300][ T7430] gfs2_fill_super+0x7ed/0x1430
[ 167.931326][ T7430] ? sb_set_blocksize+0xc4/0xf0
[ 167.931361][ T7430] ? setup_bdev_super+0x19d/0x330
[ 167.931394][ T7430] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.931419][ T7430] get_tree_bdev_flags+0x1c2/0x290
[ 167.931447][ T7430] gfs2_get_tree+0x26/0xd0
[ 167.931470][ T7430] vfs_get_tree+0x31/0x130
[ 167.931501][ T7430] path_mount+0x5b2/0x12e0
[ 167.931532][ T7430] ? putname+0xc5/0xe0
[ 167.931559][ T7430] __x64_sys_mount+0x1a2/0x1e0
[ 167.931584][ T7430] do_syscall_64+0xa4/0xfa0
[ 167.931613][ T7430] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.931636][ T7430] RIP: 0033:0x7ff53a390e6a
[ 167.931651][ T7430] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 167.931672][ T7430] RSP: 002b:00007ff53b196e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.931691][ T7430] RAX: ffffffffffffffda RBX: 00007ff53b196ef0 RCX: 00007ff53a390e6a
[ 167.931705][ T7430] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff53b196eb0
[ 167.931719][ T7430] RBP: 0000200000037f40 R08: 00007ff53b196ef0 R09: 0000000000000000
[ 167.931733][ T7430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 167.931746][ T7430] R13: 00007ff53b196eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 167.931762][ T7430]
[ 167.931773][ T7430] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 167.941539][ T7437] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 167.972038][ T7430] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 167.972527][ T7437] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 168.164004][ T7447] loop4: detected capacity change from 0 to 32768
[ 168.192556][ T7437] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 168.537619][ T7447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 168.542843][ T6809] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 168.605121][ T7453] loop3: detected capacity change from 0 to 32768
[ 168.610329][ T7447] CPU: 0 UID: 0 PID: 7447 Comm: syz.4.111 Not tainted syzkaller #0 PREEMPT(full)
[ 168.610357][ T7447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 168.610369][ T7447] Call Trace:
[ 168.610375][ T7447]
[ 168.610383][ T7447] dump_stack_lvl+0xab/0xe0
[ 168.610415][ T7447] sysfs_warn_dup+0x64/0x70
[ 168.610449][ T7447] sysfs_create_dir_ns+0x127/0x140
[ 168.610530][ T7447] kobject_add_internal+0x104/0x370
[ 168.610566][ T7447] kobject_init_and_add+0xab/0xf0
[ 168.610601][ T7447] ? alloc_workqueue_noprof+0x836/0xbe0
[ 168.610633][ T7447] gfs2_sys_fs_add+0xf6/0x230
[ 168.610654][ T7447] gfs2_fill_super+0x7ed/0x1430
[ 168.610681][ T7447] ? sb_set_blocksize+0xc4/0xf0
[ 168.610715][ T7447] ? setup_bdev_super+0x19d/0x330
[ 168.610748][ T7447] ? __pfx_gfs2_fill_super+0x10/0x10
[ 168.610774][ T7447] get_tree_bdev_flags+0x1c2/0x290
[ 168.610797][ T7447] gfs2_get_tree+0x26/0xd0
[ 168.610820][ T7447] vfs_get_tree+0x31/0x130
[ 168.610858][ T7447] path_mount+0x5b2/0x12e0
[ 168.610884][ T7447] ? putname+0xc5/0xe0
[ 168.610911][ T7447] __x64_sys_mount+0x1a2/0x1e0
[ 168.610937][ T7447] do_syscall_64+0xa4/0xfa0
[ 168.610965][ T7447] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 168.610988][ T7447] RIP: 0033:0x7fe0b7390e6a
[ 168.611005][ T7447] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 168.611026][ T7447] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 168.611044][ T7447] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 168.611058][ T7447] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 168.611072][ T7447] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 168.611086][ T7447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 168.611099][ T7447] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 168.611116][ T7447]
[ 168.611131][ T7447] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 168.640033][ T7453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 168.645730][ T7447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 168.654025][ T7453] CPU: 1 UID: 0 PID: 7453 Comm: syz.3.112 Not tainted syzkaller #0 PREEMPT(full)
[ 168.654051][ T7453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 168.654065][ T7453] Call Trace:
[ 168.654070][ T7453]
[ 168.654077][ T7453] dump_stack_lvl+0xab/0xe0
[ 168.654112][ T7453] sysfs_warn_dup+0x64/0x70
[ 168.654148][ T7453] sysfs_create_dir_ns+0x127/0x140
[ 168.654184][ T7453] kobject_add_internal+0x104/0x370
[ 168.654219][ T7453] kobject_init_and_add+0xab/0xf0
[ 168.654256][ T7453] ? alloc_workqueue_noprof+0x836/0xbe0
[ 168.654287][ T7453] gfs2_sys_fs_add+0xf6/0x230
[ 168.654310][ T7453] gfs2_fill_super+0x7ed/0x1430
[ 168.654337][ T7453] ? sb_set_blocksize+0xc4/0xf0
[ 168.654372][ T7453] ? setup_bdev_super+0x19d/0x330
[ 168.654417][ T7453] ? __pfx_gfs2_fill_super+0x10/0x10
[ 168.654443][ T7453] get_tree_bdev_flags+0x1c2/0x290
[ 168.654467][ T7453] gfs2_get_tree+0x26/0xd0
[ 168.654490][ T7453] vfs_get_tree+0x31/0x130
[ 168.654521][ T7453] path_mount+0x5b2/0x12e0
[ 168.654548][ T7453] ? putname+0xc5/0xe0
[ 168.654574][ T7453] __x64_sys_mount+0x1a2/0x1e0
[ 168.654601][ T7453] do_syscall_64+0xa4/0xfa0
[ 168.654631][ T7453] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 168.654654][ T7453] RIP: 0033:0x7f7f26990e6a
[ 168.654671][ T7453] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 168.654692][ T7453] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 168.654712][ T7453] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 168.654726][ T7453] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 168.654741][ T7453] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 168.654755][ T7453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 168.654769][ T7453] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 168.654786][ T7453]
[ 168.654796][ T7453] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 168.662008][ T6809] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 168.680729][ T7453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 168.707123][ T6809] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 45ms
[ 169.126198][ T6809] gfs2: fsid=syz:syz.0: jid=0: Done
[ 169.131577][ T7437] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 169.192616][ T5934] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 169.208376][ T5912] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9387 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 169.223866][ T6809] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9381 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 169.239465][ T5912] CPU: 0 UID: 0 PID: 5912 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full)
[ 169.239491][ T5912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 169.239504][ T5912] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 169.239527][ T5912] Call Trace:
[ 169.239533][ T5912]
[ 169.239540][ T5912] dump_stack_lvl+0xab/0xe0
[ 169.239571][ T5912] gfs2_withdraw+0x7c/0xf0
[ 169.239594][ T5912] gfs2_meta_buffer+0x1ae/0x1c0
[ 169.239628][ T5912] inode_go_instantiate+0x63/0x540
[ 169.239654][ T5912] gfs2_instantiate+0xa7/0x130
[ 169.239683][ T5912] gfs2_inode_lookup+0x490/0x510
[ 169.239711][ T5912] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 169.239740][ T5912] gfs2_lookup_by_inum+0x2f/0xb0
[ 169.239769][ T5912] delete_work_func+0x9e/0x2f0
[ 169.239790][ T5912] ? wg_peer_put+0x4c/0xc0
[ 169.239814][ T5912] ? _raw_spin_unlock_bh+0x13/0x30
[ 169.239841][ T5912] ? wg_packet_decrypt_worker+0x1af/0x2b0
[ 169.239873][ T5912] ? pwq_dec_nr_in_flight+0x78/0x560
[ 169.239895][ T5912] process_one_work+0x26b/0x620
[ 169.239915][ T5912] worker_thread+0x2c4/0x4f0
[ 169.239934][ T5912] ? __pfx_worker_thread+0x10/0x10
[ 169.239954][ T5912] kthread+0x15b/0x310
[ 169.239977][ T5912] ? finish_task_switch.isra.0+0x86/0x280
[ 169.239997][ T5912] ? __pfx_kthread+0x10/0x10
[ 169.240015][ T5912] ? __pfx_kthread+0x10/0x10
[ 169.240030][ T5912] ret_from_fork+0x210/0x240
[ 169.240043][ T5912] ? __pfx_kthread+0x10/0x10
[ 169.240057][ T5912] ret_from_fork_asm+0x1a/0x30
[ 169.240075][ T5912]
[ 169.240079][ T5912] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 174.418701][ T6809] gfs2: fsid=syz:syz.0: file system withdrawn
2025/11/08 22:56:49 executed programs: 110
[ 177.295065][ T7472] loop2: detected capacity change from 0 to 32768
[ 177.302033][ T7474] loop6: detected capacity change from 0 to 32768
[ 177.317854][ T7474] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 177.346611][ T7474] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 177.363818][ T7473] loop4: detected capacity change from 0 to 32768
[ 177.374741][ T7471] loop5: detected capacity change from 0 to 32768
[ 177.383177][ T7472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 177.394089][ T7469] loop3: detected capacity change from 0 to 32768
[ 177.413003][ T7473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 177.414731][ T7472] CPU: 1 UID: 0 PID: 7472 Comm: syz.2.115 Not tainted syzkaller #0 PREEMPT(full)
[ 177.414758][ T7472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 177.414771][ T7472] Call Trace:
[ 177.414776][ T7472]
[ 177.414782][ T7472] dump_stack_lvl+0xab/0xe0
[ 177.414816][ T7472] sysfs_warn_dup+0x64/0x70
[ 177.414850][ T7472] sysfs_create_dir_ns+0x127/0x140
[ 177.414886][ T7472] kobject_add_internal+0x104/0x370
[ 177.414920][ T7472] kobject_init_and_add+0xab/0xf0
[ 177.414955][ T7472] ? alloc_workqueue_noprof+0x836/0xbe0
[ 177.414986][ T7472] gfs2_sys_fs_add+0xf6/0x230
[ 177.415008][ T7472] gfs2_fill_super+0x7ed/0x1430
[ 177.415034][ T7472] ? sb_set_blocksize+0xc4/0xf0
[ 177.415069][ T7472] ? setup_bdev_super+0x19d/0x330
[ 177.415102][ T7472] ? __pfx_gfs2_fill_super+0x10/0x10
[ 177.415128][ T7472] get_tree_bdev_flags+0x1c2/0x290
[ 177.415150][ T7472] gfs2_get_tree+0x26/0xd0
[ 177.415172][ T7472] vfs_get_tree+0x31/0x130
[ 177.415203][ T7472] path_mount+0x5b2/0x12e0
[ 177.415228][ T7472] ? putname+0xc5/0xe0
[ 177.415254][ T7472] __x64_sys_mount+0x1a2/0x1e0
[ 177.415279][ T7472] do_syscall_64+0xa4/0xfa0
[ 177.415307][ T7472] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 177.415329][ T7472] RIP: 0033:0x7f45bc190e6a
[ 177.415345][ T7472] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 177.415366][ T7472] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 177.415385][ T7472] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 177.415399][ T7472] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 177.415413][ T7472] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 177.415426][ T7472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 177.415439][ T7472] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 177.415455][ T7472]
[ 177.415464][ T7472] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 177.437355][ T7473] CPU: 0 UID: 0 PID: 7473 Comm: syz.4.117 Not tainted syzkaller #0 PREEMPT(full)
[ 177.437392][ T7473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 177.437405][ T7473] Call Trace:
[ 177.437410][ T7473]
[ 177.437417][ T7473] dump_stack_lvl+0xab/0xe0
[ 177.437449][ T7473] sysfs_warn_dup+0x64/0x70
[ 177.437484][ T7473] sysfs_create_dir_ns+0x127/0x140
[ 177.437520][ T7473] kobject_add_internal+0x104/0x370
[ 177.437555][ T7473] kobject_init_and_add+0xab/0xf0
[ 177.437590][ T7473] ? alloc_workqueue_noprof+0x836/0xbe0
[ 177.437621][ T7473] gfs2_sys_fs_add+0xf6/0x230
[ 177.437643][ T7473] gfs2_fill_super+0x7ed/0x1430
[ 177.437670][ T7473] ? sb_set_blocksize+0xc4/0xf0
[ 177.437704][ T7473] ? setup_bdev_super+0x19d/0x330
[ 177.437738][ T7473] ? __pfx_gfs2_fill_super+0x10/0x10
[ 177.437763][ T7473] get_tree_bdev_flags+0x1c2/0x290
[ 177.437787][ T7473] gfs2_get_tree+0x26/0xd0
[ 177.437810][ T7473] vfs_get_tree+0x31/0x130
[ 177.437841][ T7473] path_mount+0x5b2/0x12e0
[ 177.437866][ T7473] ? putname+0xc5/0xe0
[ 177.437892][ T7473] __x64_sys_mount+0x1a2/0x1e0
[ 177.437918][ T7473] do_syscall_64+0xa4/0xfa0
[ 177.437946][ T7473] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 177.437969][ T7473] RIP: 0033:0x7fe0b7390e6a
[ 177.437985][ T7473] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 177.438006][ T7473] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 177.438025][ T7473] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 177.438039][ T7473] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 177.438054][ T7473] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 177.438067][ T7473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 177.438081][ T7473] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 177.438098][ T7473]
[ 177.438107][ T7473] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 177.474208][ T7474] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 177.479333][ T7472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 177.492206][ T7471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 177.509804][ T7464] loop0: detected capacity change from 0 to 32768
[ 177.513580][ T7473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 177.543101][ T7475] loop1: detected capacity change from 0 to 32768
[ 177.574305][ T5946] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 177.576233][ T7471] CPU: 0 UID: 0 PID: 7471 Comm: syz.5.118 Not tainted syzkaller #0 PREEMPT(full)
[ 177.576260][ T7471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 177.576272][ T7471] Call Trace:
[ 177.576277][ T7471]
[ 177.576284][ T7471] dump_stack_lvl+0xab/0xe0
[ 177.576317][ T7471] sysfs_warn_dup+0x64/0x70
[ 177.576350][ T7471] sysfs_create_dir_ns+0x127/0x140
[ 177.576385][ T7471] kobject_add_internal+0x104/0x370
[ 177.576419][ T7471] kobject_init_and_add+0xab/0xf0
[ 177.576459][ T7471] ? alloc_workqueue_noprof+0x836/0xbe0
[ 177.576490][ T7471] gfs2_sys_fs_add+0xf6/0x230
[ 177.576512][ T7471] gfs2_fill_super+0x7ed/0x1430
[ 177.576538][ T7471] ? sb_set_blocksize+0xc4/0xf0
[ 177.576571][ T7471] ? setup_bdev_super+0x19d/0x330
[ 177.576604][ T7471] ? __pfx_gfs2_fill_super+0x10/0x10
[ 177.576629][ T7471] get_tree_bdev_flags+0x1c2/0x290
[ 177.576651][ T7471] gfs2_get_tree+0x26/0xd0
[ 177.576673][ T7471] vfs_get_tree+0x31/0x130
[ 177.576703][ T7471] path_mount+0x5b2/0x12e0
[ 177.576727][ T7471] ? putname+0xc5/0xe0
[ 177.576753][ T7471] __x64_sys_mount+0x1a2/0x1e0
[ 177.576778][ T7471] do_syscall_64+0xa4/0xfa0
[ 177.576806][ T7471] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 177.576829][ T7471] RIP: 0033:0x7fb323790e6a
[ 177.576845][ T7471] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 177.576866][ T7471] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 177.576885][ T7471] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 177.576899][ T7471] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 177.576913][ T7471] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 177.576926][ T7471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 177.576939][ T7471] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 177.576955][ T7471]
[ 177.576966][ T7471] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 177.593932][ T5946] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 177.618804][ T7469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 177.627296][ T7471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 177.668294][ T7469] CPU: 0 UID: 0 PID: 7469 Comm: syz.3.116 Not tainted syzkaller #0 PREEMPT(full)
[ 177.668319][ T7469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 177.668331][ T7469] Call Trace:
[ 177.668337][ T7469]
[ 177.668343][ T7469] dump_stack_lvl+0xab/0xe0
[ 177.668376][ T7469] sysfs_warn_dup+0x64/0x70
[ 177.668410][ T7469] sysfs_create_dir_ns+0x127/0x140
[ 177.668456][ T7469] kobject_add_internal+0x104/0x370
[ 177.668490][ T7469] kobject_init_and_add+0xab/0xf0
[ 177.668525][ T7469] ? alloc_workqueue_noprof+0x836/0xbe0
[ 177.668556][ T7469] gfs2_sys_fs_add+0xf6/0x230
[ 177.668577][ T7469] gfs2_fill_super+0x7ed/0x1430
[ 177.668602][ T7469] ? sb_set_blocksize+0xc4/0xf0
[ 177.668636][ T7469] ? setup_bdev_super+0x19d/0x330
[ 177.668669][ T7469] ? __pfx_gfs2_fill_super+0x10/0x10
[ 177.668694][ T7469] get_tree_bdev_flags+0x1c2/0x290
[ 177.668716][ T7469] gfs2_get_tree+0x26/0xd0
[ 177.668739][ T7469] vfs_get_tree+0x31/0x130
[ 177.668769][ T7469] path_mount+0x5b2/0x12e0
[ 177.668793][ T7469] ? putname+0xc5/0xe0
[ 177.668819][ T7469] __x64_sys_mount+0x1a2/0x1e0
[ 177.668844][ T7469] do_syscall_64+0xa4/0xfa0
[ 177.668871][ T7469] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 177.668893][ T7469] RIP: 0033:0x7f7f26990e6a
[ 177.668909][ T7469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 177.668930][ T7469] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 177.668948][ T7469] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 177.668962][ T7469] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 177.668976][ T7469] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 177.668989][ T7469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 177.669001][ T7469] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 177.669018][ T7469]
[ 177.669026][ T7469] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 177.682766][ T5946] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 88ms
[ 177.685043][ T7469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 177.689800][ T5946] gfs2: fsid=syz:syz.0: jid=0: Done
[ 177.694979][ T7464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 177.698998][ T7474] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 177.719045][ T7475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 177.719418][ T7464] CPU: 1 UID: 0 PID: 7464 Comm: syz.0.113 Not tainted syzkaller #0 PREEMPT(full)
[ 177.719450][ T7464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 177.719463][ T7464] Call Trace:
[ 177.719468][ T7464]
[ 177.719475][ T7464] dump_stack_lvl+0xab/0xe0
[ 177.719508][ T7464] sysfs_warn_dup+0x64/0x70
[ 177.719543][ T7464] sysfs_create_dir_ns+0x127/0x140
[ 177.719592][ T7464] kobject_add_internal+0x104/0x370
[ 177.719626][ T7464] kobject_init_and_add+0xab/0xf0
[ 177.719668][ T7464] ? alloc_workqueue_noprof+0x836/0xbe0
[ 177.719700][ T7464] gfs2_sys_fs_add+0xf6/0x230
[ 177.719722][ T7464] gfs2_fill_super+0x7ed/0x1430
[ 177.719748][ T7464] ? sb_set_blocksize+0xc4/0xf0
[ 177.719782][ T7464] ? setup_bdev_super+0x19d/0x330
[ 177.719817][ T7464] ? __pfx_gfs2_fill_super+0x10/0x10
[ 177.719842][ T7464] get_tree_bdev_flags+0x1c2/0x290
[ 177.719865][ T7464] gfs2_get_tree+0x26/0xd0
[ 177.719887][ T7464] vfs_get_tree+0x31/0x130
[ 177.719919][ T7464] path_mount+0x5b2/0x12e0
[ 177.719944][ T7464] ? putname+0xc5/0xe0
[ 177.719970][ T7464] __x64_sys_mount+0x1a2/0x1e0
[ 177.719995][ T7464] do_syscall_64+0xa4/0xfa0
[ 177.720024][ T7464] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 177.720046][ T7464] RIP: 0033:0x7fddb9790e6a
[ 177.720061][ T7464] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 177.720083][ T7464] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 177.720101][ T7464] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 177.720115][ T7464] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 177.720129][ T7464] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 177.720142][ T7464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 177.720155][ T7464] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 177.720171][ T7464]
[ 177.720180][ T7464] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 177.724522][ T7475] CPU: 0 UID: 0 PID: 7475 Comm: syz.1.114 Not tainted syzkaller #0 PREEMPT(full)
[ 177.724547][ T7475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 177.724558][ T7475] Call Trace:
[ 177.724564][ T7475]
[ 177.724570][ T7475] dump_stack_lvl+0xab/0xe0
[ 177.724599][ T7475] sysfs_warn_dup+0x64/0x70
[ 177.724631][ T7475] sysfs_create_dir_ns+0x127/0x140
[ 177.724665][ T7475] kobject_add_internal+0x104/0x370
[ 177.724699][ T7475] kobject_init_and_add+0xab/0xf0
[ 177.724733][ T7475] ? alloc_workqueue_noprof+0x836/0xbe0
[ 177.724762][ T7475] gfs2_sys_fs_add+0xf6/0x230
[ 177.724783][ T7475] gfs2_fill_super+0x7ed/0x1430
[ 177.724809][ T7475] ? sb_set_blocksize+0xc4/0xf0
[ 177.724841][ T7475] ? setup_bdev_super+0x19d/0x330
[ 177.724874][ T7475] ? __pfx_gfs2_fill_super+0x10/0x10
[ 177.724899][ T7475] get_tree_bdev_flags+0x1c2/0x290
[ 177.724920][ T7475] gfs2_get_tree+0x26/0xd0
[ 177.724942][ T7475] vfs_get_tree+0x31/0x130
[ 177.724973][ T7475] path_mount+0x5b2/0x12e0
[ 177.724997][ T7475] ? putname+0xc5/0xe0
[ 177.725021][ T7475] __x64_sys_mount+0x1a2/0x1e0
[ 177.725046][ T7475] do_syscall_64+0xa4/0xfa0
[ 177.725073][ T7475] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 177.725094][ T7475] RIP: 0033:0x7f079e790e6a
[ 177.725109][ T7475] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 177.725128][ T7475] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 177.725146][ T7475] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 177.725160][ T7475] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 177.725173][ T7475] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 177.725186][ T7475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 177.725199][ T7475] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 177.725215][ T7475]
[ 177.725222][ T7475] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 177.846515][ T7464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 177.854601][ T7475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 177.891174][ T7474] gfs2: fsid=syz:syz.0: fatal: assertion "!atomic_read(&gl->gl_ail_count)" failed - function = inode_go_inval, file = fs/gfs2/glops.c, line = 362
[ 178.849404][ T7474] CPU: 1 UID: 0 PID: 7474 Comm: syz.6.119 Not tainted syzkaller #0 PREEMPT(full)
[ 178.849434][ T7474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 178.849446][ T7474] Call Trace:
[ 178.849452][ T7474]
[ 178.849457][ T7474] dump_stack_lvl+0xab/0xe0
[ 178.849487][ T7474] gfs2_withdraw+0x7c/0xf0
[ 178.849507][ T7474] gfs2_assert_withdraw_i+0x68/0x80
[ 178.849527][ T7474] inode_go_inval+0x1da/0x1e0
[ 178.849550][ T7474] gfs2_make_fs_rw+0x34/0x100
[ 178.849577][ T7474] gfs2_fill_super+0x12af/0x1430
[ 178.849604][ T7474] ? gfs2_fill_super+0xa78/0x1430
[ 178.849627][ T7474] ? setup_bdev_super+0x19d/0x330
[ 178.849661][ T7474] ? __pfx_gfs2_fill_super+0x10/0x10
[ 178.849688][ T7474] get_tree_bdev_flags+0x1c2/0x290
[ 178.849711][ T7474] gfs2_get_tree+0x26/0xd0
[ 178.849734][ T7474] vfs_get_tree+0x31/0x130
[ 178.849766][ T7474] path_mount+0x5b2/0x12e0
[ 178.849793][ T7474] ? putname+0xc5/0xe0
[ 178.849820][ T7474] __x64_sys_mount+0x1a2/0x1e0
[ 178.849847][ T7474] do_syscall_64+0xa4/0xfa0
[ 178.849876][ T7474] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 178.849899][ T7474] RIP: 0033:0x7ff53a390e6a
[ 178.849915][ T7474] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 178.849938][ T7474] RSP: 002b:00007ff53b196e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 178.849958][ T7474] RAX: ffffffffffffffda RBX: 00007ff53b196ef0 RCX: 00007ff53a390e6a
[ 178.849972][ T7474] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff53b196eb0
[ 178.849987][ T7474] RBP: 0000200000037f40 R08: 00007ff53b196ef0 R09: 0000000000000000
[ 178.850001][ T7474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 178.850014][ T7474] R13: 00007ff53b196eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 178.850032][ T7474]
[ 178.850041][ T7474] CPU: 1 UID: 0 PID: 7474 Comm: syz.6.119 Not tainted syzkaller #0 PREEMPT(full)
[ 178.850067][ T7474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 178.850079][ T7474] Call Trace:
[ 178.850084][ T7474]
[ 178.850090][ T7474] dump_stack_lvl+0xab/0xe0
[ 178.850120][ T7474] gfs2_assert_withdraw_i+0x6d/0x80
[ 178.850144][ T7474] inode_go_inval+0x1da/0x1e0
[ 178.850168][ T7474] gfs2_make_fs_rw+0x34/0x100
[ 178.850196][ T7474] gfs2_fill_super+0x12af/0x1430
[ 178.850224][ T7474] ? gfs2_fill_super+0xa78/0x1430
[ 178.850258][ T7474] ? setup_bdev_super+0x19d/0x330
[ 178.850293][ T7474] ? __pfx_gfs2_fill_super+0x10/0x10
[ 178.850320][ T7474] get_tree_bdev_flags+0x1c2/0x290
[ 178.850350][ T7474] gfs2_get_tree+0x26/0xd0
[ 178.850373][ T7474] vfs_get_tree+0x31/0x130
[ 178.850405][ T7474] path_mount+0x5b2/0x12e0
[ 178.850431][ T7474] ? putname+0xc5/0xe0
[ 178.850458][ T7474] __x64_sys_mount+0x1a2/0x1e0
[ 178.850484][ T7474] do_syscall_64+0xa4/0xfa0
[ 178.850511][ T7474] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 178.850534][ T7474] RIP: 0033:0x7ff53a390e6a
[ 178.850548][ T7474] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 178.850570][ T7474] RSP: 002b:00007ff53b196e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 178.850589][ T7474] RAX: ffffffffffffffda RBX: 00007ff53b196ef0 RCX: 00007ff53a390e6a
[ 178.850604][ T7474] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff53b196eb0
[ 178.850625][ T7474] RBP: 0000200000037f40 R08: 00007ff53b196ef0 R09: 0000000000000000
[ 178.850646][ T7474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 178.850660][ T7474] R13: 00007ff53b196eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 178.850677][ T7474]
[ 178.850930][ T7474] gfs2: fsid=syz:syz.0: can't make FS RW: -5
[ 178.881561][ T7495] loop3: detected capacity change from 0 to 32768
[ 179.149239][ T7502] loop1: detected capacity change from 0 to 32768
[ 179.181013][ T7497] loop0: detected capacity change from 0 to 32768
[ 179.239345][ T7498] loop2: detected capacity change from 0 to 32768
[ 179.251304][ T7501] loop4: detected capacity change from 0 to 32768
[ 179.279967][ T7495] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 179.298846][ T7501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 179.308767][ T7497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 179.316265][ T7497] CPU: 1 UID: 0 PID: 7497 Comm: syz.0.122 Not tainted syzkaller #0 PREEMPT(full)
[ 179.316292][ T7497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 179.316304][ T7497] Call Trace:
[ 179.316310][ T7497]
[ 179.316316][ T7497] dump_stack_lvl+0xab/0xe0
[ 179.316348][ T7497] sysfs_warn_dup+0x64/0x70
[ 179.316384][ T7497] sysfs_create_dir_ns+0x127/0x140
[ 179.316419][ T7497] kobject_add_internal+0x104/0x370
[ 179.316452][ T7497] kobject_init_and_add+0xab/0xf0
[ 179.316572][ T7497] ? alloc_workqueue_noprof+0x836/0xbe0
[ 179.316604][ T7497] gfs2_sys_fs_add+0xf6/0x230
[ 179.316626][ T7497] gfs2_fill_super+0x7ed/0x1430
[ 179.316651][ T7497] ? sb_set_blocksize+0xc4/0xf0
[ 179.316685][ T7497] ? setup_bdev_super+0x19d/0x330
[ 179.316720][ T7497] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.316747][ T7497] get_tree_bdev_flags+0x1c2/0x290
[ 179.316770][ T7497] gfs2_get_tree+0x26/0xd0
[ 179.316793][ T7497] vfs_get_tree+0x31/0x130
[ 179.316824][ T7497] path_mount+0x5b2/0x12e0
[ 179.316851][ T7497] ? putname+0xc5/0xe0
[ 179.316878][ T7497] __x64_sys_mount+0x1a2/0x1e0
[ 179.316901][ T7497] do_syscall_64+0xa4/0xfa0
[ 179.316930][ T7497] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.316954][ T7497] RIP: 0033:0x7fddb9790e6a
[ 179.316969][ T7497] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 179.316991][ T7497] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 179.317011][ T7497] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 179.317025][ T7497] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 179.317040][ T7497] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 179.317054][ T7497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 179.317075][ T7497] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 179.317095][ T7497]
[ 179.317108][ T7497] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 179.342337][ T7504] loop5: detected capacity change from 0 to 32768
[ 179.367379][ T7501] CPU: 1 UID: 0 PID: 7501 Comm: syz.4.123 Not tainted syzkaller #0 PREEMPT(full)
[ 179.367407][ T7501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 179.367418][ T7501] Call Trace:
[ 179.367424][ T7501]
[ 179.367430][ T7501] dump_stack_lvl+0xab/0xe0
[ 179.367469][ T7501] sysfs_warn_dup+0x64/0x70
[ 179.367504][ T7501] sysfs_create_dir_ns+0x127/0x140
[ 179.367538][ T7501] kobject_add_internal+0x104/0x370
[ 179.367573][ T7501] kobject_init_and_add+0xab/0xf0
[ 179.367608][ T7501] ? alloc_workqueue_noprof+0x836/0xbe0
[ 179.367639][ T7501] gfs2_sys_fs_add+0xf6/0x230
[ 179.367660][ T7501] gfs2_fill_super+0x7ed/0x1430
[ 179.367686][ T7501] ? sb_set_blocksize+0xc4/0xf0
[ 179.367719][ T7501] ? setup_bdev_super+0x19d/0x330
[ 179.367752][ T7501] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.367777][ T7501] get_tree_bdev_flags+0x1c2/0x290
[ 179.367799][ T7501] gfs2_get_tree+0x26/0xd0
[ 179.367821][ T7501] vfs_get_tree+0x31/0x130
[ 179.367852][ T7501] path_mount+0x5b2/0x12e0
[ 179.367876][ T7501] ? putname+0xc5/0xe0
[ 179.367902][ T7501] __x64_sys_mount+0x1a2/0x1e0
[ 179.367927][ T7501] do_syscall_64+0xa4/0xfa0
[ 179.367954][ T7501] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.367976][ T7501] RIP: 0033:0x7fe0b7390e6a
[ 179.367991][ T7501] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 179.368011][ T7501] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 179.368030][ T7501] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 179.368044][ T7501] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 179.368056][ T7501] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 179.368068][ T7501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 179.368080][ T7501] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 179.368095][ T7501]
[ 179.368105][ T7501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 179.373911][ T7497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 179.382023][ T7501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 179.384143][ T7495] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 179.389304][ T7502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 179.441488][ T7498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 179.470263][ T7495] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 179.471626][ T7502] CPU: 0 UID: 0 PID: 7502 Comm: syz.1.124 Not tainted syzkaller #0 PREEMPT(full)
[ 179.471654][ T7502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 179.471671][ T7502] Call Trace:
[ 179.471677][ T7502]
[ 179.471683][ T7502] dump_stack_lvl+0xab/0xe0
[ 179.471717][ T7502] sysfs_warn_dup+0x64/0x70
[ 179.471752][ T7502] sysfs_create_dir_ns+0x127/0x140
[ 179.471788][ T7502] kobject_add_internal+0x104/0x370
[ 179.471824][ T7502] kobject_init_and_add+0xab/0xf0
[ 179.471859][ T7502] ? alloc_workqueue_noprof+0x836/0xbe0
[ 179.471891][ T7502] gfs2_sys_fs_add+0xf6/0x230
[ 179.471913][ T7502] gfs2_fill_super+0x7ed/0x1430
[ 179.471940][ T7502] ? sb_set_blocksize+0xc4/0xf0
[ 179.471974][ T7502] ? setup_bdev_super+0x19d/0x330
[ 179.472008][ T7502] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.472033][ T7502] get_tree_bdev_flags+0x1c2/0x290
[ 179.472056][ T7502] gfs2_get_tree+0x26/0xd0
[ 179.472078][ T7502] vfs_get_tree+0x31/0x130
[ 179.472108][ T7502] path_mount+0x5b2/0x12e0
[ 179.472133][ T7502] ? putname+0xc5/0xe0
[ 179.472158][ T7502] __x64_sys_mount+0x1a2/0x1e0
[ 179.472183][ T7502] do_syscall_64+0xa4/0xfa0
[ 179.472211][ T7502] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.472233][ T7502] RIP: 0033:0x7f079e790e6a
[ 179.472248][ T7502] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 179.472269][ T7502] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 179.472287][ T7502] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 179.472301][ T7502] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 179.472314][ T7502] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 179.472327][ T7502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 179.472339][ T7502] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 179.472356][ T7502]
[ 179.472375][ T7502] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 179.512844][ T7498] CPU: 1 UID: 0 PID: 7498 Comm: syz.2.120 Not tainted syzkaller #0 PREEMPT(full)
[ 179.512872][ T7498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 179.512885][ T7498] Call Trace:
[ 179.512890][ T7498]
[ 179.512896][ T7498] dump_stack_lvl+0xab/0xe0
[ 179.512929][ T7498] sysfs_warn_dup+0x64/0x70
[ 179.512960][ T7498] sysfs_create_dir_ns+0x127/0x140
[ 179.512989][ T7498] kobject_add_internal+0x104/0x370
[ 179.513020][ T7498] kobject_init_and_add+0xab/0xf0
[ 179.513051][ T7498] ? alloc_workqueue_noprof+0x836/0xbe0
[ 179.513081][ T7498] gfs2_sys_fs_add+0xf6/0x230
[ 179.513102][ T7498] gfs2_fill_super+0x7ed/0x1430
[ 179.513128][ T7498] ? sb_set_blocksize+0xc4/0xf0
[ 179.513171][ T7498] ? setup_bdev_super+0x19d/0x330
[ 179.513203][ T7498] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.513228][ T7498] get_tree_bdev_flags+0x1c2/0x290
[ 179.513249][ T7498] gfs2_get_tree+0x26/0xd0
[ 179.513271][ T7498] vfs_get_tree+0x31/0x130
[ 179.513302][ T7498] path_mount+0x5b2/0x12e0
[ 179.513326][ T7498] ? putname+0xc5/0xe0
[ 179.513352][ T7498] __x64_sys_mount+0x1a2/0x1e0
[ 179.513377][ T7498] do_syscall_64+0xa4/0xfa0
[ 179.513404][ T7498] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.513426][ T7498] RIP: 0033:0x7f45bc190e6a
[ 179.513442][ T7498] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 179.513462][ T7498] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 179.513480][ T7498] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 179.513495][ T7498] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 179.513508][ T7498] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 179.513520][ T7498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 179.513533][ T7498] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 179.513549][ T7498]
[ 179.513558][ T7498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 179.581197][ T5912] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 179.583687][ T7502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 179.588726][ T5912] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 179.612256][ T7498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 179.656638][ T5912] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 67ms
[ 179.660776][ T7504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 179.673963][ T5912] gfs2: fsid=syz:syz.0: jid=0: Done
[ 179.692528][ T7504] CPU: 1 UID: 0 PID: 7504 Comm: syz.5.125 Not tainted syzkaller #0 PREEMPT(full)
[ 179.692554][ T7504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 179.692564][ T7504] Call Trace:
[ 179.692569][ T7504]
[ 179.692574][ T7504] dump_stack_lvl+0xab/0xe0
[ 179.692603][ T7504] sysfs_warn_dup+0x64/0x70
[ 179.692633][ T7504] sysfs_create_dir_ns+0x127/0x140
[ 179.692662][ T7504] kobject_add_internal+0x104/0x370
[ 179.692695][ T7504] kobject_init_and_add+0xab/0xf0
[ 179.692730][ T7504] ? alloc_workqueue_noprof+0x836/0xbe0
[ 179.692763][ T7504] gfs2_sys_fs_add+0xf6/0x230
[ 179.692785][ T7504] gfs2_fill_super+0x7ed/0x1430
[ 179.692812][ T7504] ? sb_set_blocksize+0xc4/0xf0
[ 179.692846][ T7504] ? setup_bdev_super+0x19d/0x330
[ 179.692880][ T7504] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.692905][ T7504] get_tree_bdev_flags+0x1c2/0x290
[ 179.692928][ T7504] gfs2_get_tree+0x26/0xd0
[ 179.692950][ T7504] vfs_get_tree+0x31/0x130
[ 179.692981][ T7504] path_mount+0x5b2/0x12e0
[ 179.693007][ T7504] ? putname+0xc5/0xe0
[ 179.693033][ T7504] __x64_sys_mount+0x1a2/0x1e0
[ 179.693059][ T7504] do_syscall_64+0xa4/0xfa0
[ 179.693086][ T7504] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.693108][ T7504] RIP: 0033:0x7fb323790e6a
[ 179.693123][ T7504] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 179.693144][ T7504] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 179.693163][ T7504] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 179.693177][ T7504] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 179.693190][ T7504] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 179.693209][ T7504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 179.693221][ T7504] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 179.693238][ T7504]
[ 179.693246][ T7504] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 179.866042][ T7495] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 179.869802][ T7504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 180.127382][ T7521] loop6: detected capacity change from 0 to 32768
[ 180.407946][ T23] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9381 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 180.473085][ T7521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 180.480070][ T5946] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 180.492705][ T5912] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9390 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 180.497774][ T7521] CPU: 1 UID: 0 PID: 7521 Comm: syz.6.126 Not tainted syzkaller #0 PREEMPT(full)
[ 180.497799][ T7521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 180.497811][ T7521] Call Trace:
[ 180.497817][ T7521]
[ 180.497824][ T7521] dump_stack_lvl+0xab/0xe0
[ 180.497857][ T7521] sysfs_warn_dup+0x64/0x70
[ 180.497892][ T7521] sysfs_create_dir_ns+0x127/0x140
[ 180.497927][ T7521] kobject_add_internal+0x104/0x370
[ 180.497962][ T7521] kobject_init_and_add+0xab/0xf0
[ 180.497997][ T7521] ? alloc_workqueue_noprof+0x836/0xbe0
[ 180.498027][ T7521] gfs2_sys_fs_add+0xf6/0x230
[ 180.498049][ T7521] gfs2_fill_super+0x7ed/0x1430
[ 180.498075][ T7521] ? sb_set_blocksize+0xc4/0xf0
[ 180.498114][ T7521] ? setup_bdev_super+0x19d/0x330
[ 180.498148][ T7521] ? __pfx_gfs2_fill_super+0x10/0x10
[ 180.498173][ T7521] get_tree_bdev_flags+0x1c2/0x290
[ 180.498196][ T7521] gfs2_get_tree+0x26/0xd0
[ 180.498218][ T7521] vfs_get_tree+0x31/0x130
[ 180.498249][ T7521] path_mount+0x5b2/0x12e0
[ 180.498274][ T7521] ? putname+0xc5/0xe0
[ 180.498299][ T7521] __x64_sys_mount+0x1a2/0x1e0
[ 180.498324][ T7521] do_syscall_64+0xa4/0xfa0
[ 180.498359][ T7521] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 180.498382][ T7521] RIP: 0033:0x7ff53a390e6a
[ 180.498397][ T7521] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 180.498418][ T7521] RSP: 002b:00007ff53b196e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 180.498438][ T7521] RAX: ffffffffffffffda RBX: 00007ff53b196ef0 RCX: 00007ff53a390e6a
[ 180.498452][ T7521] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff53b196eb0
[ 180.498466][ T7521] RBP: 0000200000037f40 R08: 00007ff53b196ef0 R09: 0000000000000000
[ 180.498479][ T7521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 180.498492][ T7521] R13: 00007ff53b196eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 180.498508][ T7521]
[ 180.498518][ T7521] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 180.504944][ T6809] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9387 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 180.511634][ T5946] CPU: 1 UID: 0 PID: 5946 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT(full)
[ 180.511661][ T5946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 180.511675][ T5946] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 180.511700][ T5946] Call Trace:
[ 180.511706][ T5946]
[ 180.511714][ T5946] dump_stack_lvl+0xab/0xe0
[ 180.511744][ T5946] gfs2_withdraw+0x7c/0xf0
[ 180.511765][ T5946] gfs2_meta_buffer+0x1ae/0x1c0
[ 180.511798][ T5946] inode_go_instantiate+0x63/0x540
[ 180.511822][ T5946] gfs2_instantiate+0xa7/0x130
[ 180.511853][ T5946] gfs2_inode_lookup+0x490/0x510
[ 180.511881][ T5946] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 180.511909][ T5946] gfs2_lookup_by_inum+0x2f/0xb0
[ 180.511936][ T5946] delete_work_func+0x9e/0x2f0
[ 180.511957][ T5946] ? wg_peer_put+0x4c/0xc0
[ 180.511980][ T5946] ? _raw_spin_unlock_bh+0x13/0x30
[ 180.512006][ T5946] ? wg_packet_decrypt_worker+0x1af/0x2b0
[ 180.512035][ T5946] ? pwq_dec_nr_in_flight+0x78/0x560
[ 180.512055][ T5946] process_one_work+0x26b/0x620
[ 180.512074][ T5946] worker_thread+0x2c4/0x4f0
[ 180.512093][ T5946] ? __pfx_worker_thread+0x10/0x10
[ 180.512112][ T5946] kthread+0x15b/0x310
[ 180.512136][ T5946] ? finish_task_switch.isra.0+0x86/0x280
[ 180.512156][ T5946] ? __pfx_kthread+0x10/0x10
[ 180.512187][ T5946] ? __pfx_kthread+0x10/0x10
[ 180.512213][ T5946] ret_from_fork+0x210/0x240
[ 180.512236][ T5946] ? __pfx_kthread+0x10/0x10
[ 180.512262][ T5946] ret_from_fork_asm+0x1a/0x30
[ 180.512294][ T5946]
[ 180.512300][ T5946] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 180.518264][ T7521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 185.537355][ T6353] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564
[ 185.552766][ T6353] CPU: 1 UID: 0 PID: 6353 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 185.552794][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 185.552817][ T6353] Call Trace:
[ 185.552822][ T6353]
[ 185.552829][ T6353] dump_stack_lvl+0xab/0xe0
[ 185.552860][ T6353] gfs2_assert_warn_i+0xc1/0x170
[ 185.552875][ T6353] gfs2_make_fs_ro+0x13b/0x210
[ 185.552891][ T6353] ? __pfx_autoremove_wake_function+0x10/0x10
[ 185.552916][ T6353] gfs2_put_super+0xb4/0x2d0
[ 185.552932][ T6353] ? __pfx_gfs2_put_super+0x10/0x10
[ 185.552949][ T6353] generic_shutdown_super+0x9c/0x170
[ 185.552968][ T6353] kill_block_super+0x1d/0x50
[ 185.552985][ T6353] gfs2_kill_sb+0x1b6/0x1e0
[ 185.552999][ T6353] deactivate_locked_super+0x51/0x180
[ 185.553010][ T6353] deactivate_super+0x9c/0xb0
[ 185.553020][ T6353] cleanup_mnt+0x121/0x210
[ 185.553039][ T6353] task_work_run+0x91/0xe0
[ 185.553059][ T6353] exit_to_user_mode_loop+0xbd/0xf0
[ 185.553077][ T6353] do_syscall_64+0x28e/0xfa0
[ 185.553094][ T6353] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 185.553110][ T6353] RIP: 0033:0x7f7f269909f7
[ 185.553120][ T6353] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 185.553132][ T6353] RSP: 002b:00007ffc0e788048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 185.553143][ T6353] RAX: 0000000000000000 RBX: 00007f7f26a11d7d RCX: 00007f7f269909f7
[ 185.553151][ T6353] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc0e788100
[ 185.553158][ T6353] RBP: 00007ffc0e788100 R08: 0000000000000000 R09: 0000000000000000
[ 185.553165][ T6353] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc0e789190
[ 185.553172][ T6353] R13: 00007f7f26a11d7d R14: 000000000002c0d9 R15: 00007ffc0e7891d0
[ 185.553181][ T6353]
2025/11/08 22:57:01 executed programs: 124
[ 189.275019][ T7541] loop1: detected capacity change from 0 to 32768
[ 189.313983][ T7537] loop2: detected capacity change from 0 to 32768
[ 189.332897][ T7541] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 189.357336][ T7541] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 189.386118][ T7537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.396756][ T7532] loop0: detected capacity change from 0 to 32768
[ 189.421110][ T7536] loop3: detected capacity change from 0 to 32768
[ 189.426912][ T7537] CPU: 1 UID: 0 PID: 7537 Comm: syz.2.129 Not tainted syzkaller #0 PREEMPT(full)
[ 189.426940][ T7537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 189.426952][ T7537] Call Trace:
[ 189.426958][ T7537]
[ 189.426964][ T7537] dump_stack_lvl+0xab/0xe0
[ 189.426997][ T7537] sysfs_warn_dup+0x64/0x70
[ 189.427030][ T7537] sysfs_create_dir_ns+0x127/0x140
[ 189.427065][ T7537] kobject_add_internal+0x104/0x370
[ 189.427100][ T7537] kobject_init_and_add+0xab/0xf0
[ 189.427134][ T7537] ? alloc_workqueue_noprof+0x836/0xbe0
[ 189.427165][ T7537] gfs2_sys_fs_add+0xf6/0x230
[ 189.427187][ T7537] gfs2_fill_super+0x7ed/0x1430
[ 189.427212][ T7537] ? sb_set_blocksize+0xc4/0xf0
[ 189.427246][ T7537] ? setup_bdev_super+0x19d/0x330
[ 189.427282][ T7537] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.427306][ T7537] get_tree_bdev_flags+0x1c2/0x290
[ 189.427328][ T7537] gfs2_get_tree+0x26/0xd0
[ 189.427350][ T7537] vfs_get_tree+0x31/0x130
[ 189.427380][ T7537] path_mount+0x5b2/0x12e0
[ 189.427413][ T7537] ? putname+0xc5/0xe0
[ 189.427438][ T7537] __x64_sys_mount+0x1a2/0x1e0
[ 189.427463][ T7537] do_syscall_64+0xa4/0xfa0
[ 189.427491][ T7537] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.427513][ T7537] RIP: 0033:0x7f45bc190e6a
[ 189.427528][ T7537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 189.427548][ T7537] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.427567][ T7537] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 189.427581][ T7537] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 189.427595][ T7537] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 189.427608][ T7537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 189.427620][ T7537] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 189.427636][ T7537]
[ 189.427964][ T7537] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.457878][ T7540] loop5: detected capacity change from 0 to 32768
[ 189.470610][ T7537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.478256][ T7541] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 189.484690][ T7532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.492913][ T7535] loop4: detected capacity change from 0 to 32768
[ 189.521517][ T7532] CPU: 1 UID: 0 PID: 7532 Comm: syz.0.127 Not tainted syzkaller #0 PREEMPT(full)
[ 189.521545][ T7532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 189.521557][ T7532] Call Trace:
[ 189.521563][ T7532]
[ 189.521569][ T7532] dump_stack_lvl+0xab/0xe0
[ 189.521601][ T7532] sysfs_warn_dup+0x64/0x70
[ 189.521635][ T7532] sysfs_create_dir_ns+0x127/0x140
[ 189.521670][ T7532] kobject_add_internal+0x104/0x370
[ 189.521704][ T7532] kobject_init_and_add+0xab/0xf0
[ 189.521739][ T7532] ? alloc_workqueue_noprof+0x836/0xbe0
[ 189.521769][ T7532] gfs2_sys_fs_add+0xf6/0x230
[ 189.521791][ T7532] gfs2_fill_super+0x7ed/0x1430
[ 189.521816][ T7532] ? sb_set_blocksize+0xc4/0xf0
[ 189.521851][ T7532] ? setup_bdev_super+0x19d/0x330
[ 189.521884][ T7532] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.521908][ T7532] get_tree_bdev_flags+0x1c2/0x290
[ 189.521931][ T7532] gfs2_get_tree+0x26/0xd0
[ 189.521953][ T7532] vfs_get_tree+0x31/0x130
[ 189.521984][ T7532] path_mount+0x5b2/0x12e0
[ 189.522009][ T7532] ? putname+0xc5/0xe0
[ 189.522034][ T7532] __x64_sys_mount+0x1a2/0x1e0
[ 189.522059][ T7532] do_syscall_64+0xa4/0xfa0
[ 189.522087][ T7532] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.522108][ T7532] RIP: 0033:0x7fddb9790e6a
[ 189.522124][ T7532] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 189.522145][ T7532] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.522164][ T7532] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 189.522178][ T7532] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 189.522191][ T7532] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 189.522204][ T7532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 189.522217][ T7532] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 189.522233][ T7532]
[ 189.522243][ T7532] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.530612][ T7536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.553090][ T7542] loop6: detected capacity change from 0 to 32768
[ 189.556291][ T7532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.599098][ T7540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.633287][ T6809] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 189.648935][ T7536] CPU: 1 UID: 0 PID: 7536 Comm: syz.3.130 Not tainted syzkaller #0 PREEMPT(full)
[ 189.648965][ T7536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 189.648978][ T7536] Call Trace:
[ 189.648984][ T7536]
[ 189.648991][ T7536] dump_stack_lvl+0xab/0xe0
[ 189.649025][ T7536] sysfs_warn_dup+0x64/0x70
[ 189.649060][ T7536] sysfs_create_dir_ns+0x127/0x140
[ 189.649096][ T7536] kobject_add_internal+0x104/0x370
[ 189.649131][ T7536] kobject_init_and_add+0xab/0xf0
[ 189.649168][ T7536] ? alloc_workqueue_noprof+0x836/0xbe0
[ 189.649200][ T7536] gfs2_sys_fs_add+0xf6/0x230
[ 189.649223][ T7536] gfs2_fill_super+0x7ed/0x1430
[ 189.649250][ T7536] ? sb_set_blocksize+0xc4/0xf0
[ 189.649283][ T7536] ? setup_bdev_super+0x19d/0x330
[ 189.649317][ T7536] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.649344][ T7536] get_tree_bdev_flags+0x1c2/0x290
[ 189.649367][ T7536] gfs2_get_tree+0x26/0xd0
[ 189.649390][ T7536] vfs_get_tree+0x31/0x130
[ 189.649421][ T7536] path_mount+0x5b2/0x12e0
[ 189.649447][ T7536] ? putname+0xc5/0xe0
[ 189.649473][ T7536] __x64_sys_mount+0x1a2/0x1e0
[ 189.649499][ T7536] do_syscall_64+0xa4/0xfa0
[ 189.649544][ T7536] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.649567][ T7536] RIP: 0033:0x7f7f26990e6a
[ 189.649584][ T7536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 189.649604][ T7536] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.649624][ T7536] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 189.649638][ T7536] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 189.649652][ T7536] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 189.649665][ T7536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 189.649678][ T7536] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 189.649694][ T7536]
[ 189.649705][ T7536] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.655150][ T6809] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 189.661778][ T7535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.674101][ T7540] CPU: 0 UID: 0 PID: 7540 Comm: syz.5.132 Not tainted syzkaller #0 PREEMPT(full)
[ 189.674140][ T7540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 189.674153][ T7540] Call Trace:
[ 189.674158][ T7540]
[ 189.674165][ T7540] dump_stack_lvl+0xab/0xe0
[ 189.674198][ T7540] sysfs_warn_dup+0x64/0x70
[ 189.674232][ T7540] sysfs_create_dir_ns+0x127/0x140
[ 189.674447][ T7540] kobject_add_internal+0x104/0x370
[ 189.674486][ T7540] kobject_init_and_add+0xab/0xf0
[ 189.674521][ T7540] ? alloc_workqueue_noprof+0x836/0xbe0
[ 189.674552][ T7540] gfs2_sys_fs_add+0xf6/0x230
[ 189.674572][ T7540] gfs2_fill_super+0x7ed/0x1430
[ 189.674594][ T7540] ? sb_set_blocksize+0xc4/0xf0
[ 189.674628][ T7540] ? setup_bdev_super+0x19d/0x330
[ 189.674661][ T7540] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.674687][ T7540] get_tree_bdev_flags+0x1c2/0x290
[ 189.674710][ T7540] gfs2_get_tree+0x26/0xd0
[ 189.674733][ T7540] vfs_get_tree+0x31/0x130
[ 189.674764][ T7540] path_mount+0x5b2/0x12e0
[ 189.674789][ T7540] ? putname+0xc5/0xe0
[ 189.674822][ T7540] __x64_sys_mount+0x1a2/0x1e0
[ 189.674848][ T7540] do_syscall_64+0xa4/0xfa0
[ 189.674877][ T7540] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.674900][ T7540] RIP: 0033:0x7fb323790e6a
[ 189.674916][ T7540] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 189.674938][ T7540] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.674957][ T7540] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 189.674971][ T7540] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 189.674985][ T7540] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 189.674998][ T7540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 189.675011][ T7540] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 189.675028][ T7540]
[ 189.675042][ T7540] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.696904][ T7536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.712509][ T7535] CPU: 0 UID: 0 PID: 7535 Comm: syz.4.131 Not tainted syzkaller #0 PREEMPT(full)
[ 189.712544][ T7535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 189.712557][ T7535] Call Trace:
[ 189.712563][ T7535]
[ 189.712570][ T7535] dump_stack_lvl+0xab/0xe0
[ 189.712604][ T7535] sysfs_warn_dup+0x64/0x70
[ 189.712639][ T7535] sysfs_create_dir_ns+0x127/0x140
[ 189.712675][ T7535] kobject_add_internal+0x104/0x370
[ 189.712709][ T7535] kobject_init_and_add+0xab/0xf0
[ 189.712749][ T7535] ? alloc_workqueue_noprof+0x836/0xbe0
[ 189.712780][ T7535] gfs2_sys_fs_add+0xf6/0x230
[ 189.712802][ T7535] gfs2_fill_super+0x7ed/0x1430
[ 189.712828][ T7535] ? sb_set_blocksize+0xc4/0xf0
[ 189.712863][ T7535] ? setup_bdev_super+0x19d/0x330
[ 189.712897][ T7535] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.712923][ T7535] get_tree_bdev_flags+0x1c2/0x290
[ 189.712945][ T7535] gfs2_get_tree+0x26/0xd0
[ 189.712968][ T7535] vfs_get_tree+0x31/0x130
[ 189.712999][ T7535] path_mount+0x5b2/0x12e0
[ 189.713024][ T7535] ? putname+0xc5/0xe0
[ 189.713049][ T7535] __x64_sys_mount+0x1a2/0x1e0
[ 189.713075][ T7535] do_syscall_64+0xa4/0xfa0
[ 189.713102][ T7535] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.713125][ T7535] RIP: 0033:0x7fe0b7390e6a
[ 189.713141][ T7535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 189.713161][ T7535] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.713180][ T7535] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 189.713194][ T7535] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 189.713207][ T7535] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 189.713220][ T7535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 189.713233][ T7535] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 189.713250][ T7535]
[ 189.713262][ T7535] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.716822][ T7540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.727061][ T6809] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 71ms
[ 189.764627][ T7542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.777829][ T7535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.807477][ T7542] CPU: 1 UID: 0 PID: 7542 Comm: syz.6.133 Not tainted syzkaller #0 PREEMPT(full)
[ 189.807504][ T7542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 189.807517][ T7542] Call Trace:
[ 189.807522][ T7542]
[ 189.807529][ T7542] dump_stack_lvl+0xab/0xe0
[ 189.807562][ T7542] sysfs_warn_dup+0x64/0x70
[ 189.807596][ T7542] sysfs_create_dir_ns+0x127/0x140
[ 189.807631][ T7542] kobject_add_internal+0x104/0x370
[ 189.807665][ T7542] kobject_init_and_add+0xab/0xf0
[ 189.807700][ T7542] ? alloc_workqueue_noprof+0x836/0xbe0
[ 189.807730][ T7542] gfs2_sys_fs_add+0xf6/0x230
[ 189.807751][ T7542] gfs2_fill_super+0x7ed/0x1430
[ 189.807777][ T7542] ? sb_set_blocksize+0xc4/0xf0
[ 189.807818][ T7542] ? setup_bdev_super+0x19d/0x330
[ 189.807851][ T7542] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.807876][ T7542] get_tree_bdev_flags+0x1c2/0x290
[ 189.807899][ T7542] gfs2_get_tree+0x26/0xd0
[ 189.807921][ T7542] vfs_get_tree+0x31/0x130
[ 189.807950][ T7542] path_mount+0x5b2/0x12e0
[ 189.807975][ T7542] ? putname+0xc5/0xe0
[ 189.808000][ T7542] __x64_sys_mount+0x1a2/0x1e0
[ 189.808025][ T7542] do_syscall_64+0xa4/0xfa0
[ 189.808052][ T7542] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.808074][ T7542] RIP: 0033:0x7ff53a390e6a
[ 189.808089][ T7542] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 189.808110][ T7542] RSP: 002b:00007ff53b196e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.808128][ T7542] RAX: ffffffffffffffda RBX: 00007ff53b196ef0 RCX: 00007ff53a390e6a
[ 189.808142][ T7542] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff53b196eb0
[ 189.808155][ T7542] RBP: 0000200000037f40 R08: 00007ff53b196ef0 R09: 0000000000000000
[ 189.808168][ T7542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 189.808181][ T7542] R13: 00007ff53b196eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 189.808197][ T7542]
[ 189.808209][ T7542] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.813488][ T6809] gfs2: fsid=syz:syz.0: jid=0: Done
[ 189.847308][ T7542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.997336][ T7541] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 190.867109][ T7564] loop0: detected capacity change from 0 to 32768
[ 190.902068][ T7566] loop2: detected capacity change from 0 to 32768
[ 190.942574][ T7564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 190.952479][ T7566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 190.971235][ T7568] loop3: detected capacity change from 0 to 32768
[ 190.987307][ T7564] CPU: 0 UID: 0 PID: 7564 Comm: syz.0.135 Not tainted syzkaller #0 PREEMPT(full)
[ 190.987337][ T7564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 190.987350][ T7564] Call Trace:
[ 190.987355][ T7564]
[ 190.987362][ T7564] dump_stack_lvl+0xab/0xe0
[ 190.987396][ T7564] sysfs_warn_dup+0x64/0x70
[ 190.987432][ T7564] sysfs_create_dir_ns+0x127/0x140
[ 190.987463][ T7564] kobject_add_internal+0x104/0x370
[ 190.987497][ T7564] kobject_init_and_add+0xab/0xf0
[ 190.987534][ T7564] ? alloc_workqueue_noprof+0x836/0xbe0
[ 190.987575][ T7564] gfs2_sys_fs_add+0xf6/0x230
[ 190.987598][ T7564] gfs2_fill_super+0x7ed/0x1430
[ 190.987626][ T7564] ? sb_set_blocksize+0xc4/0xf0
[ 190.987663][ T7564] ? setup_bdev_super+0x19d/0x330
[ 190.987698][ T7564] ? __pfx_gfs2_fill_super+0x10/0x10
[ 190.987725][ T7564] get_tree_bdev_flags+0x1c2/0x290
[ 190.987749][ T7564] gfs2_get_tree+0x26/0xd0
[ 190.987773][ T7564] vfs_get_tree+0x31/0x130
[ 190.987805][ T7564] path_mount+0x5b2/0x12e0
[ 190.987831][ T7564] ? putname+0xc5/0xe0
[ 190.987858][ T7564] __x64_sys_mount+0x1a2/0x1e0
[ 190.987885][ T7564] do_syscall_64+0xa4/0xfa0
[ 190.987914][ T7564] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.987938][ T7564] RIP: 0033:0x7fddb9790e6a
[ 190.987954][ T7564] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 190.987977][ T7564] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 190.987997][ T7564] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 190.988012][ T7564] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 190.988027][ T7564] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 190.988041][ T7564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 190.988055][ T7564] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 190.988072][ T7564]
[ 190.988083][ T7564] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.106976][ T7566] CPU: 1 UID: 0 PID: 7566 Comm: syz.2.134 Not tainted syzkaller #0 PREEMPT(full)
[ 191.107005][ T7566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 191.107018][ T7566] Call Trace:
[ 191.107024][ T7566]
[ 191.107030][ T7566] dump_stack_lvl+0xab/0xe0
[ 191.107062][ T7566] sysfs_warn_dup+0x64/0x70
[ 191.107097][ T7566] sysfs_create_dir_ns+0x127/0x140
[ 191.107142][ T7566] kobject_add_internal+0x104/0x370
[ 191.107176][ T7566] kobject_init_and_add+0xab/0xf0
[ 191.107211][ T7566] ? alloc_workqueue_noprof+0x836/0xbe0
[ 191.107241][ T7566] gfs2_sys_fs_add+0xf6/0x230
[ 191.107267][ T7566] gfs2_fill_super+0x7ed/0x1430
[ 191.107293][ T7566] ? sb_set_blocksize+0xc4/0xf0
[ 191.107326][ T7566] ? setup_bdev_super+0x19d/0x330
[ 191.107360][ T7566] ? __pfx_gfs2_fill_super+0x10/0x10
[ 191.107383][ T7566] get_tree_bdev_flags+0x1c2/0x290
[ 191.107405][ T7566] gfs2_get_tree+0x26/0xd0
[ 191.107428][ T7566] vfs_get_tree+0x31/0x130
[ 191.107458][ T7566] path_mount+0x5b2/0x12e0
[ 191.107482][ T7566] ? putname+0xc5/0xe0
[ 191.107507][ T7566] __x64_sys_mount+0x1a2/0x1e0
[ 191.107532][ T7566] do_syscall_64+0xa4/0xfa0
[ 191.107559][ T7566] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.107580][ T7566] RIP: 0033:0x7f45bc190e6a
[ 191.107595][ T7566] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 191.107616][ T7566] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 191.107635][ T7566] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 191.107649][ T7566] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 191.107662][ T7566] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 191.107675][ T7566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 191.107688][ T7566] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 191.107705][ T7566]
[ 191.109118][ T7566] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.154842][ T7570] loop5: detected capacity change from 0 to 32768
[ 191.185199][ T7566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 191.225188][ T7572] loop6: detected capacity change from 0 to 32768
[ 191.226762][ T7564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 191.269960][ T5934] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9387 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 191.293457][ T7573] loop4: detected capacity change from 0 to 32768
[ 191.296667][ T10] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9390 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 191.306993][ T7572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.309873][ T5912] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 191.338583][ T7572] CPU: 1 UID: 0 PID: 7572 Comm: syz.6.139 Not tainted syzkaller #0 PREEMPT(full)
[ 191.338611][ T7572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 191.338624][ T7572] Call Trace:
[ 191.338629][ T7572]
[ 191.338634][ T7572] dump_stack_lvl+0xab/0xe0
[ 191.338666][ T7572] sysfs_warn_dup+0x64/0x70
[ 191.338700][ T7572] sysfs_create_dir_ns+0x127/0x140
[ 191.338734][ T7572] kobject_add_internal+0x104/0x370
[ 191.338768][ T7572] kobject_init_and_add+0xab/0xf0
[ 191.338802][ T7572] ? alloc_workqueue_noprof+0x836/0xbe0
[ 191.338833][ T7572] gfs2_sys_fs_add+0xf6/0x230
[ 191.338854][ T7572] gfs2_fill_super+0x7ed/0x1430
[ 191.338880][ T7572] ? sb_set_blocksize+0xc4/0xf0
[ 191.338914][ T7572] ? setup_bdev_super+0x19d/0x330
[ 191.338946][ T7572] ? __pfx_gfs2_fill_super+0x10/0x10
[ 191.338971][ T7572] get_tree_bdev_flags+0x1c2/0x290
[ 191.339009][ T7572] gfs2_get_tree+0x26/0xd0
[ 191.339031][ T7572] vfs_get_tree+0x31/0x130
[ 191.339061][ T7572] path_mount+0x5b2/0x12e0
[ 191.339086][ T7572] ? putname+0xc5/0xe0
[ 191.339117][ T7572] __x64_sys_mount+0x1a2/0x1e0
[ 191.339142][ T7572] do_syscall_64+0xa4/0xfa0
[ 191.339169][ T7572] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.339192][ T7572] RIP: 0033:0x7ff53a390e6a
[ 191.339208][ T7572] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 191.339228][ T7572] RSP: 002b:00007ff53b196e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 191.339246][ T7572] RAX: ffffffffffffffda RBX: 00007ff53b196ef0 RCX: 00007ff53a390e6a
[ 191.339261][ T7572] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff53b196eb0
[ 191.339274][ T7572] RBP: 0000200000037f40 R08: 00007ff53b196ef0 R09: 0000000000000000
[ 191.339287][ T7572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 191.339299][ T7572] R13: 00007ff53b196eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 191.339316][ T7572]
[ 191.339325][ T7572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.350959][ T6809] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9381 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 191.397368][ T7568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.401396][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full)
[ 191.401421][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 191.401435][ T10] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 191.401458][ T10] Call Trace:
[ 191.401464][ T10]
[ 191.401470][ T10] dump_stack_lvl+0xab/0xe0
[ 191.401501][ T10] gfs2_withdraw+0x7c/0xf0
[ 191.401523][ T10] gfs2_meta_buffer+0x1ae/0x1c0
[ 191.401556][ T10] inode_go_instantiate+0x63/0x540
[ 191.401580][ T10] gfs2_instantiate+0xa7/0x130
[ 191.401610][ T10] gfs2_inode_lookup+0x490/0x510
[ 191.401639][ T10] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 191.401667][ T10] gfs2_lookup_by_inum+0x2f/0xb0
[ 191.401694][ T10] delete_work_func+0x9e/0x2f0
[ 191.401714][ T10] ? wg_peer_put+0x4c/0xc0
[ 191.401737][ T10] ? _raw_spin_unlock_bh+0x13/0x30
[ 191.401764][ T10] ? wg_packet_encrypt_worker+0x454/0x670
[ 191.401794][ T10] ? wg_packet_decrypt_worker+0x1af/0x2b0
[ 191.401823][ T10] ? pwq_dec_nr_in_flight+0x78/0x560
[ 191.401845][ T10] process_one_work+0x26b/0x620
[ 191.401864][ T10] worker_thread+0x2c4/0x4f0
[ 191.401883][ T10] ? __pfx_worker_thread+0x10/0x10
[ 191.401902][ T10] kthread+0x15b/0x310
[ 191.401927][ T10] ? finish_task_switch.isra.0+0x86/0x280
[ 191.401948][ T10] ? __pfx_kthread+0x10/0x10
[ 191.401974][ T10] ? __pfx_kthread+0x10/0x10
[ 191.402000][ T10] ret_from_fork+0x210/0x240
[ 191.402023][ T10] ? __pfx_kthread+0x10/0x10
[ 191.402049][ T10] ret_from_fork_asm+0x1a/0x30
[ 191.402081][ T10]
[ 191.402087][ T10] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 191.420926][ T7570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.425513][ T7572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 191.434899][ T7568] CPU: 1 UID: 0 PID: 7568 Comm: syz.3.136 Not tainted syzkaller #0 PREEMPT(full)
[ 191.434926][ T7568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 191.434939][ T7568] Call Trace:
[ 191.434944][ T7568]
[ 191.434950][ T7568] dump_stack_lvl+0xab/0xe0
[ 191.434983][ T7568] sysfs_warn_dup+0x64/0x70
[ 191.435018][ T7568] sysfs_create_dir_ns+0x127/0x140
[ 191.435053][ T7568] kobject_add_internal+0x104/0x370
[ 191.435088][ T7568] kobject_init_and_add+0xab/0xf0
[ 191.435124][ T7568] ? alloc_workqueue_noprof+0x836/0xbe0
[ 191.435155][ T7568] gfs2_sys_fs_add+0xf6/0x230
[ 191.435177][ T7568] gfs2_fill_super+0x7ed/0x1430
[ 191.435204][ T7568] ? sb_set_blocksize+0xc4/0xf0
[ 191.435238][ T7568] ? setup_bdev_super+0x19d/0x330
[ 191.435272][ T7568] ? __pfx_gfs2_fill_super+0x10/0x10
[ 191.435297][ T7568] get_tree_bdev_flags+0x1c2/0x290
[ 191.435320][ T7568] gfs2_get_tree+0x26/0xd0
[ 191.435342][ T7568] vfs_get_tree+0x31/0x130
[ 191.435374][ T7568] path_mount+0x5b2/0x12e0
[ 191.435398][ T7568] ? putname+0xc5/0xe0
[ 191.435425][ T7568] __x64_sys_mount+0x1a2/0x1e0
[ 191.435450][ T7568] do_syscall_64+0xa4/0xfa0
[ 191.435486][ T7568] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.435508][ T7568] RIP: 0033:0x7f7f26990e6a
[ 191.435524][ T7568] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 191.435546][ T7568] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 191.435565][ T7568] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 191.435579][ T7568] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 191.435593][ T7568] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 191.435607][ T7568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 191.435620][ T7568] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 191.435637][ T7568]
[ 191.435646][ T7568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.446550][ T7570] CPU: 0 UID: 0 PID: 7570 Comm: syz.5.138 Not tainted syzkaller #0 PREEMPT(full)
[ 191.446577][ T7570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 191.446590][ T7570] Call Trace:
[ 191.446596][ T7570]
[ 191.446601][ T7570] dump_stack_lvl+0xab/0xe0
[ 191.446633][ T7570] sysfs_warn_dup+0x64/0x70
[ 191.446668][ T7570] sysfs_create_dir_ns+0x127/0x140
[ 191.446703][ T7570] kobject_add_internal+0x104/0x370
[ 191.446738][ T7570] kobject_init_and_add+0xab/0xf0
[ 191.446773][ T7570] ? alloc_workqueue_noprof+0x836/0xbe0
[ 191.446804][ T7570] gfs2_sys_fs_add+0xf6/0x230
[ 191.446825][ T7570] gfs2_fill_super+0x7ed/0x1430
[ 191.446852][ T7570] ? sb_set_blocksize+0xc4/0xf0
[ 191.446885][ T7570] ? setup_bdev_super+0x19d/0x330
[ 191.446918][ T7570] ? __pfx_gfs2_fill_super+0x10/0x10
[ 191.446943][ T7570] get_tree_bdev_flags+0x1c2/0x290
[ 191.446965][ T7570] gfs2_get_tree+0x26/0xd0
[ 191.446988][ T7570] vfs_get_tree+0x31/0x130
[ 191.447018][ T7570] path_mount+0x5b2/0x12e0
[ 191.447042][ T7570] ? putname+0xc5/0xe0
[ 191.447068][ T7570] __x64_sys_mount+0x1a2/0x1e0
[ 191.447093][ T7570] do_syscall_64+0xa4/0xfa0
[ 191.447120][ T7570] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.447142][ T7570] RIP: 0033:0x7fb323790e6a
[ 191.447157][ T7570] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 191.447177][ T7570] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 191.447197][ T7570] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 191.447215][ T7570] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 191.447229][ T7570] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 191.447243][ T7570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 191.447260][ T7570] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 191.447276][ T7570]
[ 191.447320][ T7570] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.463204][ T7573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.468612][ T7568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 191.485975][ T7573] CPU: 1 UID: 0 PID: 7573 Comm: syz.4.137 Not tainted syzkaller #0 PREEMPT(full)
[ 191.486005][ T7573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 191.486018][ T7573] Call Trace:
[ 191.486024][ T7573]
[ 191.486031][ T7573] dump_stack_lvl+0xab/0xe0
[ 191.486065][ T7573] sysfs_warn_dup+0x64/0x70
[ 191.486101][ T7573] sysfs_create_dir_ns+0x127/0x140
[ 191.486137][ T7573] kobject_add_internal+0x104/0x370
[ 191.486174][ T7573] kobject_init_and_add+0xab/0xf0
[ 191.486210][ T7573] ? alloc_workqueue_noprof+0x836/0xbe0
[ 191.486240][ T7573] gfs2_sys_fs_add+0xf6/0x230
[ 191.486263][ T7573] gfs2_fill_super+0x7ed/0x1430
[ 191.486290][ T7573] ? sb_set_blocksize+0xc4/0xf0
[ 191.486326][ T7573] ? setup_bdev_super+0x19d/0x330
[ 191.486361][ T7573] ? __pfx_gfs2_fill_super+0x10/0x10
[ 191.486387][ T7573] get_tree_bdev_flags+0x1c2/0x290
[ 191.486411][ T7573] gfs2_get_tree+0x26/0xd0
[ 191.486434][ T7573] vfs_get_tree+0x31/0x130
[ 191.486473][ T7573] path_mount+0x5b2/0x12e0
[ 191.486498][ T7573] ? putname+0xc5/0xe0
[ 191.486526][ T7573] __x64_sys_mount+0x1a2/0x1e0
[ 191.486552][ T7573] do_syscall_64+0xa4/0xfa0
[ 191.486582][ T7573] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.486605][ T7573] RIP: 0033:0x7fe0b7390e6a
[ 191.486621][ T7573] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 191.486643][ T7573] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 191.486662][ T7573] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 191.486677][ T7573] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 191.486693][ T7573] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 191.486706][ T7573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 191.486729][ T7573] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 191.486747][ T7573]
[ 191.486757][ T7573] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.517317][ T7570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 191.768263][ T7573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 193.058222][ T1308] ieee802154 phy0 wpan0: encryption failed: -22
[ 193.064793][ T1308] ieee802154 phy1 wpan1: encryption failed: -22
[ 196.498801][ T10] gfs2: fsid=syz:syz.0: file system withdrawn
[ 196.614698][ T7590] loop1: detected capacity change from 0 to 32768
[ 196.624356][ T7590] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 196.633168][ T7590] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 196.644516][ T7590] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 196.652916][ T5946] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 196.660283][ T5946] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 196.676175][ T5946] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 15ms
[ 196.683866][ T5946] gfs2: fsid=syz:syz.0: jid=0: Done
[ 196.689669][ T7590] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 196.755149][ T2151] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 196.771135][ T5946] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9381 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 196.787499][ T23] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9387 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 196.803486][ T2151] CPU: 1 UID: 0 PID: 2151 Comm: kworker/1:2 Not tainted syzkaller #0 PREEMPT(full)
[ 196.803512][ T2151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 196.803525][ T2151] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 196.803550][ T2151] Call Trace:
[ 196.803556][ T2151]
[ 196.803563][ T2151] dump_stack_lvl+0xab/0xe0
[ 196.803603][ T2151] gfs2_withdraw+0x7c/0xf0
[ 196.803624][ T2151] gfs2_meta_buffer+0x1ae/0x1c0
[ 196.803658][ T2151] inode_go_instantiate+0x63/0x540
[ 196.803683][ T2151] gfs2_instantiate+0xa7/0x130
[ 196.803714][ T2151] gfs2_inode_lookup+0x490/0x510
[ 196.803744][ T2151] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 196.803774][ T2151] gfs2_lookup_by_inum+0x2f/0xb0
[ 196.803803][ T2151] delete_work_func+0x9e/0x2f0
[ 196.803822][ T2151] ? wg_socket_send_skb_to_peer+0xb7/0x110
[ 196.803858][ T2151] ? wg_packet_tx_worker+0x224/0x2d0
[ 196.803887][ T2151] ? pwq_dec_nr_in_flight+0x78/0x560
[ 196.803910][ T2151] process_one_work+0x26b/0x620
[ 196.803931][ T2151] worker_thread+0x2c4/0x4f0
[ 196.803950][ T2151] ? __pfx_worker_thread+0x10/0x10
[ 196.803974][ T2151] kthread+0x15b/0x310
[ 196.804001][ T2151] ? finish_task_switch.isra.0+0x86/0x280
[ 196.804024][ T2151] ? __pfx_kthread+0x10/0x10
[ 196.804052][ T2151] ? __pfx_kthread+0x10/0x10
[ 196.804078][ T2151] ret_from_fork+0x210/0x240
[ 196.804103][ T2151] ? __pfx_kthread+0x10/0x10
[ 196.804130][ T2151] ret_from_fork_asm+0x1a/0x30
[ 196.804163][ T2151]
[ 196.804169][ T2151] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 202.028769][ T42] gfs2: fsid=syz:syz.0: file system withdrawn
2025/11/08 22:57:17 executed programs: 138
[ 204.973306][ T7605] loop3: detected capacity change from 0 to 32768
[ 204.981312][ T7604] loop1: detected capacity change from 0 to 32768
[ 205.021009][ T7604] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 205.032924][ T7611] loop5: detected capacity change from 0 to 32768
[ 205.042303][ T7602] loop0: detected capacity change from 0 to 32768
[ 205.060687][ T7607] loop2: detected capacity change from 0 to 32768
[ 205.067998][ T7611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.076317][ T7611] CPU: 1 UID: 0 PID: 7611 Comm: syz.5.146 Not tainted syzkaller #0 PREEMPT(full)
[ 205.076345][ T7611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 205.076358][ T7611] Call Trace:
[ 205.076363][ T7611]
[ 205.076370][ T7611] dump_stack_lvl+0xab/0xe0
[ 205.076405][ T7611] sysfs_warn_dup+0x64/0x70
[ 205.076441][ T7611] sysfs_create_dir_ns+0x127/0x140
[ 205.076476][ T7611] kobject_add_internal+0x104/0x370
[ 205.076511][ T7611] kobject_init_and_add+0xab/0xf0
[ 205.076546][ T7611] ? alloc_workqueue_noprof+0x836/0xbe0
[ 205.076578][ T7611] gfs2_sys_fs_add+0xf6/0x230
[ 205.076601][ T7611] gfs2_fill_super+0x7ed/0x1430
[ 205.076628][ T7611] ? sb_set_blocksize+0xc4/0xf0
[ 205.076663][ T7611] ? setup_bdev_super+0x19d/0x330
[ 205.076696][ T7611] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.076721][ T7611] get_tree_bdev_flags+0x1c2/0x290
[ 205.076744][ T7611] gfs2_get_tree+0x26/0xd0
[ 205.076766][ T7611] vfs_get_tree+0x31/0x130
[ 205.076797][ T7611] path_mount+0x5b2/0x12e0
[ 205.076822][ T7611] ? putname+0xc5/0xe0
[ 205.076849][ T7611] __x64_sys_mount+0x1a2/0x1e0
[ 205.076875][ T7611] do_syscall_64+0xa4/0xfa0
[ 205.076903][ T7611] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.076926][ T7611] RIP: 0033:0x7fb323790e6a
[ 205.076941][ T7611] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 205.076962][ T7611] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.076987][ T7611] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 205.077001][ T7611] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 205.077015][ T7611] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 205.077029][ T7611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 205.077042][ T7611] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 205.077058][ T7611]
[ 205.077066][ T7611] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.077375][ T7605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.087019][ T7611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.126870][ T7613] loop6: detected capacity change from 0 to 32768
[ 205.140597][ T7607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.157679][ T7604] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 205.173431][ T7613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.190225][ T7605] CPU: 0 UID: 0 PID: 7605 Comm: syz.3.144 Not tainted syzkaller #0 PREEMPT(full)
[ 205.190252][ T7605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 205.190265][ T7605] Call Trace:
[ 205.190270][ T7605]
[ 205.190277][ T7605] dump_stack_lvl+0xab/0xe0
[ 205.190311][ T7605] sysfs_warn_dup+0x64/0x70
[ 205.190346][ T7605] sysfs_create_dir_ns+0x127/0x140
[ 205.190378][ T7605] kobject_add_internal+0x104/0x370
[ 205.190413][ T7605] kobject_init_and_add+0xab/0xf0
[ 205.190448][ T7605] ? alloc_workqueue_noprof+0x836/0xbe0
[ 205.190479][ T7605] gfs2_sys_fs_add+0xf6/0x230
[ 205.190500][ T7605] gfs2_fill_super+0x7ed/0x1430
[ 205.190526][ T7605] ? sb_set_blocksize+0xc4/0xf0
[ 205.190560][ T7605] ? setup_bdev_super+0x19d/0x330
[ 205.190593][ T7605] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.190618][ T7605] get_tree_bdev_flags+0x1c2/0x290
[ 205.190640][ T7605] gfs2_get_tree+0x26/0xd0
[ 205.190662][ T7605] vfs_get_tree+0x31/0x130
[ 205.190693][ T7605] path_mount+0x5b2/0x12e0
[ 205.190717][ T7605] ? putname+0xc5/0xe0
[ 205.190742][ T7605] __x64_sys_mount+0x1a2/0x1e0
[ 205.190767][ T7605] do_syscall_64+0xa4/0xfa0
[ 205.190794][ T7605] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.190816][ T7605] RIP: 0033:0x7f7f26990e6a
[ 205.190831][ T7605] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 205.190851][ T7605] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.190870][ T7605] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 205.190884][ T7605] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 205.190897][ T7605] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 205.190910][ T7605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 205.190923][ T7605] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 205.190940][ T7605]
[ 205.190949][ T7605] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.198340][ T7609] loop4: detected capacity change from 0 to 32768
[ 205.202466][ T7613] CPU: 0 UID: 0 PID: 7613 Comm: syz.6.147 Not tainted syzkaller #0 PREEMPT(full)
[ 205.202494][ T7613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 205.202507][ T7613] Call Trace:
[ 205.202512][ T7613]
[ 205.202519][ T7613] dump_stack_lvl+0xab/0xe0
[ 205.202557][ T7613] sysfs_warn_dup+0x64/0x70
[ 205.202591][ T7613] sysfs_create_dir_ns+0x127/0x140
[ 205.202626][ T7613] kobject_add_internal+0x104/0x370
[ 205.202660][ T7613] kobject_init_and_add+0xab/0xf0
[ 205.202695][ T7613] ? alloc_workqueue_noprof+0x836/0xbe0
[ 205.202726][ T7613] gfs2_sys_fs_add+0xf6/0x230
[ 205.202748][ T7613] gfs2_fill_super+0x7ed/0x1430
[ 205.202774][ T7613] ? sb_set_blocksize+0xc4/0xf0
[ 205.202807][ T7613] ? setup_bdev_super+0x19d/0x330
[ 205.202840][ T7613] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.202865][ T7613] get_tree_bdev_flags+0x1c2/0x290
[ 205.202887][ T7613] gfs2_get_tree+0x26/0xd0
[ 205.202909][ T7613] vfs_get_tree+0x31/0x130
[ 205.202940][ T7613] path_mount+0x5b2/0x12e0
[ 205.202970][ T7613] ? putname+0xc5/0xe0
[ 205.202995][ T7613] __x64_sys_mount+0x1a2/0x1e0
[ 205.203021][ T7613] do_syscall_64+0xa4/0xfa0
[ 205.203048][ T7613] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.203070][ T7613] RIP: 0033:0x7ff53a390e6a
[ 205.203085][ T7613] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 205.203106][ T7613] RSP: 002b:00007ff53b196e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.203124][ T7613] RAX: ffffffffffffffda RBX: 00007ff53b196ef0 RCX: 00007ff53a390e6a
[ 205.203138][ T7613] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff53b196eb0
[ 205.203152][ T7613] RBP: 0000200000037f40 R08: 00007ff53b196ef0 R09: 0000000000000000
[ 205.203165][ T7613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 205.203178][ T7613] R13: 00007ff53b196eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 205.203195][ T7613]
[ 205.203205][ T7613] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.207527][ T7607] CPU: 1 UID: 0 PID: 7607 Comm: syz.2.143 Not tainted syzkaller #0 PREEMPT(full)
[ 205.207554][ T7607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 205.207567][ T7607] Call Trace:
[ 205.207572][ T7607]
[ 205.207578][ T7607] dump_stack_lvl+0xab/0xe0
[ 205.207611][ T7607] sysfs_warn_dup+0x64/0x70
[ 205.207645][ T7607] sysfs_create_dir_ns+0x127/0x140
[ 205.207681][ T7607] kobject_add_internal+0x104/0x370
[ 205.207715][ T7607] kobject_init_and_add+0xab/0xf0
[ 205.207750][ T7607] ? alloc_workqueue_noprof+0x836/0xbe0
[ 205.207782][ T7607] gfs2_sys_fs_add+0xf6/0x230
[ 205.207803][ T7607] gfs2_fill_super+0x7ed/0x1430
[ 205.207829][ T7607] ? sb_set_blocksize+0xc4/0xf0
[ 205.207863][ T7607] ? setup_bdev_super+0x19d/0x330
[ 205.207897][ T7607] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.207922][ T7607] get_tree_bdev_flags+0x1c2/0x290
[ 205.207945][ T7607] gfs2_get_tree+0x26/0xd0
[ 205.207966][ T7607] vfs_get_tree+0x31/0x130
[ 205.207997][ T7607] path_mount+0x5b2/0x12e0
[ 205.208022][ T7607] ? putname+0xc5/0xe0
[ 205.208048][ T7607] __x64_sys_mount+0x1a2/0x1e0
[ 205.208074][ T7607] do_syscall_64+0xa4/0xfa0
[ 205.208101][ T7607] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.208122][ T7607] RIP: 0033:0x7f45bc190e6a
[ 205.208137][ T7607] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 205.208158][ T7607] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.208177][ T7607] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 205.208191][ T7607] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 205.208211][ T7607] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 205.208225][ T7607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 205.208238][ T7607] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 205.208255][ T7607]
[ 205.208265][ T7607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.236369][ T7605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.283891][ T7602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.303094][ T7613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.341579][ T7609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.349091][ T7607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.398921][ T7609] CPU: 1 UID: 0 PID: 7609 Comm: syz.4.145 Not tainted syzkaller #0 PREEMPT(full)
[ 205.398947][ T7609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 205.398960][ T7609] Call Trace:
[ 205.398965][ T7609]
[ 205.398971][ T7609] dump_stack_lvl+0xab/0xe0
[ 205.399003][ T7609] sysfs_warn_dup+0x64/0x70
[ 205.399039][ T7609] sysfs_create_dir_ns+0x127/0x140
[ 205.399074][ T7609] kobject_add_internal+0x104/0x370
[ 205.399107][ T7609] kobject_init_and_add+0xab/0xf0
[ 205.399143][ T7609] ? alloc_workqueue_noprof+0x836/0xbe0
[ 205.399174][ T7609] gfs2_sys_fs_add+0xf6/0x230
[ 205.399196][ T7609] gfs2_fill_super+0x7ed/0x1430
[ 205.399222][ T7609] ? sb_set_blocksize+0xc4/0xf0
[ 205.399255][ T7609] ? setup_bdev_super+0x19d/0x330
[ 205.399288][ T7609] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.399313][ T7609] get_tree_bdev_flags+0x1c2/0x290
[ 205.399335][ T7609] gfs2_get_tree+0x26/0xd0
[ 205.399357][ T7609] vfs_get_tree+0x31/0x130
[ 205.399387][ T7609] path_mount+0x5b2/0x12e0
[ 205.399412][ T7609] ? putname+0xc5/0xe0
[ 205.399441][ T7609] __x64_sys_mount+0x1a2/0x1e0
[ 205.399466][ T7609] do_syscall_64+0xa4/0xfa0
[ 205.399493][ T7609] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.399515][ T7609] RIP: 0033:0x7fe0b7390e6a
[ 205.399530][ T7609] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 205.399552][ T7609] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.399570][ T7609] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 205.399585][ T7609] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 205.399607][ T7609] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 205.399620][ T7609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 205.399633][ T7609] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 205.399649][ T7609]
[ 205.399692][ T7609] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.401775][ T7599] Bluetooth: hci1: command 0x0406 tx timeout
[ 205.405948][ T7602] CPU: 1 UID: 0 PID: 7602 Comm: syz.0.141 Not tainted syzkaller #0 PREEMPT(full)
[ 205.405974][ T7602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 205.405987][ T7602] Call Trace:
[ 205.405992][ T7602]
[ 205.405999][ T7602] dump_stack_lvl+0xab/0xe0
[ 205.406029][ T7602] sysfs_warn_dup+0x64/0x70
[ 205.406063][ T7602] sysfs_create_dir_ns+0x127/0x140
[ 205.406097][ T7602] kobject_add_internal+0x104/0x370
[ 205.406131][ T7602] kobject_init_and_add+0xab/0xf0
[ 205.406162][ T7602] ? alloc_workqueue_noprof+0x836/0xbe0
[ 205.406186][ T7602] gfs2_sys_fs_add+0xf6/0x230
[ 205.406207][ T7602] gfs2_fill_super+0x7ed/0x1430
[ 205.406233][ T7602] ? sb_set_blocksize+0xc4/0xf0
[ 205.406266][ T7602] ? setup_bdev_super+0x19d/0x330
[ 205.406299][ T7602] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.406323][ T7602] get_tree_bdev_flags+0x1c2/0x290
[ 205.406345][ T7602] gfs2_get_tree+0x26/0xd0
[ 205.406367][ T7602] vfs_get_tree+0x31/0x130
[ 205.406398][ T7602] path_mount+0x5b2/0x12e0
[ 205.406422][ T7602] ? putname+0xc5/0xe0
[ 205.406447][ T7602] __x64_sys_mount+0x1a2/0x1e0
[ 205.406472][ T7602] do_syscall_64+0xa4/0xfa0
[ 205.406499][ T7602] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.406529][ T7602] RIP: 0033:0x7fddb9790e6a
[ 205.406544][ T7602] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 205.406565][ T7602] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.406584][ T7602] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 205.406598][ T7602] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 205.406612][ T7602] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 205.406625][ T7602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 205.406638][ T7602] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 205.406654][ T7602]
[ 205.406664][ T7602] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.411864][ T7599] Bluetooth: hci3: command 0x0406 tx timeout
[ 205.448436][ T7609] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.450300][ T7599] Bluetooth: hci5: command 0x0406 tx timeout
[ 205.482877][ T7598] Bluetooth: hci6: command 0x0406 tx timeout
[ 205.485731][ T7599] Bluetooth: hci2: command 0x0406 tx timeout
[ 205.495096][ T7598] Bluetooth: hci4: command 0x0406 tx timeout
[ 205.504945][ T7599] Bluetooth: hci7: command 0x0406 tx timeout
[ 205.505150][ T7602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.522166][ T7604] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 205.524664][ T2151] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 206.394066][ T7632] loop5: detected capacity change from 0 to 32768
[ 206.491101][ T7636] loop6: detected capacity change from 0 to 32768
[ 206.555582][ T2151] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 206.565269][ T7632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.601762][ T7632] CPU: 1 UID: 0 PID: 7632 Comm: syz.5.148 Not tainted syzkaller #0 PREEMPT(full)
[ 206.601792][ T7632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 206.601806][ T7632] Call Trace:
[ 206.601812][ T7632]
[ 206.601827][ T7632] dump_stack_lvl+0xab/0xe0
[ 206.601862][ T7632] sysfs_warn_dup+0x64/0x70
[ 206.601898][ T7632] sysfs_create_dir_ns+0x127/0x140
[ 206.601935][ T7632] kobject_add_internal+0x104/0x370
[ 206.601972][ T7632] kobject_init_and_add+0xab/0xf0
[ 206.602009][ T7632] ? alloc_workqueue_noprof+0x836/0xbe0
[ 206.602041][ T7632] gfs2_sys_fs_add+0xf6/0x230
[ 206.602064][ T7632] gfs2_fill_super+0x7ed/0x1430
[ 206.602090][ T7632] ? sb_set_blocksize+0xc4/0xf0
[ 206.602126][ T7632] ? setup_bdev_super+0x19d/0x330
[ 206.602160][ T7632] ? __pfx_gfs2_fill_super+0x10/0x10
[ 206.602183][ T7632] get_tree_bdev_flags+0x1c2/0x290
[ 206.602203][ T7632] gfs2_get_tree+0x26/0xd0
[ 206.602224][ T7632] vfs_get_tree+0x31/0x130
[ 206.602255][ T7632] path_mount+0x5b2/0x12e0
[ 206.602280][ T7632] ? putname+0xc5/0xe0
[ 206.602305][ T7632] __x64_sys_mount+0x1a2/0x1e0
[ 206.602329][ T7632] do_syscall_64+0xa4/0xfa0
[ 206.602356][ T7632] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 206.602379][ T7632] RIP: 0033:0x7fb323790e6a
[ 206.602395][ T7632] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 206.602416][ T7632] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.602435][ T7632] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 206.602449][ T7632] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 206.602462][ T7632] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 206.602475][ T7632] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 206.602487][ T7632] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 206.602502][ T7632]
[ 206.602515][ T7632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.605484][ T7636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.614476][ T7632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 206.839517][ T7636] CPU: 1 UID: 0 PID: 7636 Comm: syz.6.150 Not tainted syzkaller #0 PREEMPT(full)
[ 206.839546][ T7636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 206.839560][ T7636] Call Trace:
[ 206.839566][ T7636]
[ 206.839572][ T7636] dump_stack_lvl+0xab/0xe0
[ 206.839605][ T7636] sysfs_warn_dup+0x64/0x70
[ 206.839639][ T7636] sysfs_create_dir_ns+0x127/0x140
[ 206.839675][ T7636] kobject_add_internal+0x104/0x370
[ 206.839709][ T7636] kobject_init_and_add+0xab/0xf0
[ 206.839744][ T7636] ? alloc_workqueue_noprof+0x836/0xbe0
[ 206.839774][ T7636] gfs2_sys_fs_add+0xf6/0x230
[ 206.839795][ T7636] gfs2_fill_super+0x7ed/0x1430
[ 206.839823][ T7636] ? sb_set_blocksize+0xc4/0xf0
[ 206.839857][ T7636] ? setup_bdev_super+0x19d/0x330
[ 206.839890][ T7636] ? __pfx_gfs2_fill_super+0x10/0x10
[ 206.839916][ T7636] get_tree_bdev_flags+0x1c2/0x290
[ 206.839939][ T7636] gfs2_get_tree+0x26/0xd0
[ 206.839961][ T7636] vfs_get_tree+0x31/0x130
[ 206.839998][ T7636] path_mount+0x5b2/0x12e0
[ 206.840024][ T7636] ? putname+0xc5/0xe0
[ 206.840051][ T7636] __x64_sys_mount+0x1a2/0x1e0
[ 206.840076][ T7636] do_syscall_64+0xa4/0xfa0
[ 206.840105][ T7636] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 206.840127][ T7636] RIP: 0033:0x7ff53a390e6a
[ 206.840143][ T7636] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 206.840164][ T7636] RSP: 002b:00007ff53b196e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.840183][ T7636] RAX: ffffffffffffffda RBX: 00007ff53b196ef0 RCX: 00007ff53a390e6a
[ 206.840197][ T7636] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff53b196eb0
[ 206.840210][ T7636] RBP: 0000200000037f40 R08: 00007ff53b196ef0 R09: 0000000000000000
[ 206.840224][ T7636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 206.840238][ T7636] R13: 00007ff53b196eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 206.840255][ T7636]
[ 206.840265][ T7636] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.865889][ T7640] loop4: detected capacity change from 0 to 32768
[ 206.873489][ T7634] loop3: detected capacity change from 0 to 32768
[ 206.888576][ T7638] loop0: detected capacity change from 0 to 32768
[ 206.894658][ T2151] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 339ms
[ 206.964393][ T7644] loop2: detected capacity change from 0 to 32768
[ 206.967996][ T7636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 206.991994][ T7640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.997664][ T2151] gfs2: fsid=syz:syz.0: jid=0: Done
[ 207.031445][ T7640] CPU: 0 UID: 0 PID: 7640 Comm: syz.4.152 Not tainted syzkaller #0 PREEMPT(full)
[ 207.031473][ T7640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 207.031486][ T7640] Call Trace:
[ 207.031492][ T7640]
[ 207.031498][ T7640] dump_stack_lvl+0xab/0xe0
[ 207.031530][ T7640] sysfs_warn_dup+0x64/0x70
[ 207.031565][ T7640] sysfs_create_dir_ns+0x127/0x140
[ 207.031600][ T7640] kobject_add_internal+0x104/0x370
[ 207.031635][ T7640] kobject_init_and_add+0xab/0xf0
[ 207.031669][ T7640] ? alloc_workqueue_noprof+0x836/0xbe0
[ 207.031701][ T7640] gfs2_sys_fs_add+0xf6/0x230
[ 207.031722][ T7640] gfs2_fill_super+0x7ed/0x1430
[ 207.031748][ T7640] ? sb_set_blocksize+0xc4/0xf0
[ 207.031782][ T7640] ? setup_bdev_super+0x19d/0x330
[ 207.031815][ T7640] ? __pfx_gfs2_fill_super+0x10/0x10
[ 207.031840][ T7640] get_tree_bdev_flags+0x1c2/0x290
[ 207.031863][ T7640] gfs2_get_tree+0x26/0xd0
[ 207.031886][ T7640] vfs_get_tree+0x31/0x130
[ 207.031917][ T7640] path_mount+0x5b2/0x12e0
[ 207.031942][ T7640] ? putname+0xc5/0xe0
[ 207.031974][ T7640] __x64_sys_mount+0x1a2/0x1e0
[ 207.032000][ T7640] do_syscall_64+0xa4/0xfa0
[ 207.032028][ T7640] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 207.032050][ T7640] RIP: 0033:0x7fe0b7390e6a
[ 207.032065][ T7640] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 207.032086][ T7640] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.032106][ T7640] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 207.032119][ T7640] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 207.032132][ T7640] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 207.032145][ T7640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 207.032158][ T7640] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 207.032174][ T7640]
[ 207.032186][ T7640] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.037855][ T7604] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 207.042292][ T7638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.058683][ T7640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.064940][ T7638] CPU: 0 UID: 0 PID: 7638 Comm: syz.0.151 Not tainted syzkaller #0 PREEMPT(full)
[ 207.064979][ T7638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 207.064992][ T7638] Call Trace:
[ 207.064997][ T7638]
[ 207.065003][ T7638] dump_stack_lvl+0xab/0xe0
[ 207.065037][ T7638] sysfs_warn_dup+0x64/0x70
[ 207.065072][ T7638] sysfs_create_dir_ns+0x127/0x140
[ 207.065108][ T7638] kobject_add_internal+0x104/0x370
[ 207.065143][ T7638] kobject_init_and_add+0xab/0xf0
[ 207.065178][ T7638] ? alloc_workqueue_noprof+0x836/0xbe0
[ 207.065208][ T7638] gfs2_sys_fs_add+0xf6/0x230
[ 207.065231][ T7638] gfs2_fill_super+0x7ed/0x1430
[ 207.065257][ T7638] ? sb_set_blocksize+0xc4/0xf0
[ 207.065291][ T7638] ? setup_bdev_super+0x19d/0x330
[ 207.065324][ T7638] ? __pfx_gfs2_fill_super+0x10/0x10
[ 207.065350][ T7638] get_tree_bdev_flags+0x1c2/0x290
[ 207.065372][ T7638] gfs2_get_tree+0x26/0xd0
[ 207.065395][ T7638] vfs_get_tree+0x31/0x130
[ 207.065426][ T7638] path_mount+0x5b2/0x12e0
[ 207.065450][ T7638] ? putname+0xc5/0xe0
[ 207.065476][ T7638] __x64_sys_mount+0x1a2/0x1e0
[ 207.065501][ T7638] do_syscall_64+0xa4/0xfa0
[ 207.065529][ T7638] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 207.065551][ T7638] RIP: 0033:0x7fddb9790e6a
[ 207.065567][ T7638] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 207.065586][ T7638] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.065605][ T7638] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 207.065619][ T7638] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 207.065632][ T7638] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 207.065645][ T7638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 207.065658][ T7638] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 207.065674][ T7638]
[ 207.065684][ T7638] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.071175][ T7644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.075655][ T7638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.083228][ T7644] CPU: 1 UID: 0 PID: 7644 Comm: syz.2.153 Not tainted syzkaller #0 PREEMPT(full)
[ 207.083252][ T7644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 207.083264][ T7644] Call Trace:
[ 207.083270][ T7644]
[ 207.083276][ T7644] dump_stack_lvl+0xab/0xe0
[ 207.083309][ T7644] sysfs_warn_dup+0x64/0x70
[ 207.083344][ T7644] sysfs_create_dir_ns+0x127/0x140
[ 207.083378][ T7644] kobject_add_internal+0x104/0x370
[ 207.083412][ T7644] kobject_init_and_add+0xab/0xf0
[ 207.083446][ T7644] ? alloc_workqueue_noprof+0x836/0xbe0
[ 207.083476][ T7644] gfs2_sys_fs_add+0xf6/0x230
[ 207.083497][ T7644] gfs2_fill_super+0x7ed/0x1430
[ 207.083523][ T7644] ? sb_set_blocksize+0xc4/0xf0
[ 207.083556][ T7644] ? setup_bdev_super+0x19d/0x330
[ 207.083589][ T7644] ? __pfx_gfs2_fill_super+0x10/0x10
[ 207.083614][ T7644] get_tree_bdev_flags+0x1c2/0x290
[ 207.083636][ T7644] gfs2_get_tree+0x26/0xd0
[ 207.083657][ T7644] vfs_get_tree+0x31/0x130
[ 207.083687][ T7644] path_mount+0x5b2/0x12e0
[ 207.083719][ T7644] ? putname+0xc5/0xe0
[ 207.083744][ T7644] __x64_sys_mount+0x1a2/0x1e0
[ 207.083769][ T7644] do_syscall_64+0xa4/0xfa0
[ 207.083796][ T7644] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 207.083818][ T7644] RIP: 0033:0x7f45bc190e6a
[ 207.083833][ T7644] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 207.083853][ T7644] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.083871][ T7644] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 207.083885][ T7644] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 207.083898][ T7644] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 207.083911][ T7644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 207.083924][ T7644] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 207.083939][ T7644]
[ 207.083949][ T7644] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.092614][ T7634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.096686][ T7644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.349275][ T6809] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9381 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 207.358237][ T7634] CPU: 1 UID: 0 PID: 7634 Comm: syz.3.149 Not tainted syzkaller #0 PREEMPT(full)
[ 207.358266][ T7634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 207.358279][ T7634] Call Trace:
[ 207.358284][ T7634]
[ 207.358291][ T7634] dump_stack_lvl+0xab/0xe0
[ 207.358325][ T7634] sysfs_warn_dup+0x64/0x70
[ 207.358360][ T7634] sysfs_create_dir_ns+0x127/0x140
[ 207.358397][ T7634] kobject_add_internal+0x104/0x370
[ 207.358433][ T7634] kobject_init_and_add+0xab/0xf0
[ 207.358469][ T7634] ? alloc_workqueue_noprof+0x836/0xbe0
[ 207.358507][ T7634] gfs2_sys_fs_add+0xf6/0x230
[ 207.358529][ T7634] gfs2_fill_super+0x7ed/0x1430
[ 207.358556][ T7634] ? sb_set_blocksize+0xc4/0xf0
[ 207.358591][ T7634] ? setup_bdev_super+0x19d/0x330
[ 207.358635][ T7634] ? __pfx_gfs2_fill_super+0x10/0x10
[ 207.358661][ T7634] get_tree_bdev_flags+0x1c2/0x290
[ 207.358685][ T7634] gfs2_get_tree+0x26/0xd0
[ 207.358709][ T7634] vfs_get_tree+0x31/0x130
[ 207.358740][ T7634] path_mount+0x5b2/0x12e0
[ 207.358766][ T7634] ? putname+0xc5/0xe0
[ 207.358792][ T7634] __x64_sys_mount+0x1a2/0x1e0
[ 207.358819][ T7634] do_syscall_64+0xa4/0xfa0
[ 207.358848][ T7634] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 207.358871][ T7634] RIP: 0033:0x7f7f26990e6a
[ 207.358887][ T7634] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 207.358910][ T7634] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.358929][ T7634] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 207.358944][ T7634] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 207.358959][ T7634] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 207.358972][ T7634] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 207.358992][ T7634] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 207.359009][ T7634]
[ 207.359019][ T7634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.368220][ T5912] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 207.384239][ T7634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.397408][ T6809] CPU: 0 UID: 0 PID: 6809 Comm: kworker/0:10 Not tainted syzkaller #0 PREEMPT(full)
[ 207.397435][ T6809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 207.397449][ T6809] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 207.397474][ T6809] Call Trace:
[ 207.397479][ T6809]
[ 207.397485][ T6809] dump_stack_lvl+0xab/0xe0
[ 207.397515][ T6809] gfs2_withdraw+0x7c/0xf0
[ 207.397537][ T6809] gfs2_meta_buffer+0x1ae/0x1c0
[ 207.397586][ T6809] inode_go_instantiate+0x63/0x540
[ 207.397610][ T6809] gfs2_instantiate+0xa7/0x130
[ 207.397642][ T6809] gfs2_inode_lookup+0x490/0x510
[ 207.397670][ T6809] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 207.397698][ T6809] gfs2_lookup_by_inum+0x2f/0xb0
[ 207.397725][ T6809] delete_work_func+0x9e/0x2f0
[ 207.397751][ T6809] ? __queue_delayed_work+0x188/0x230
[ 207.397776][ T6809] ? pwq_dec_nr_in_flight+0x78/0x560
[ 207.397797][ T6809] process_one_work+0x26b/0x620
[ 207.397816][ T6809] worker_thread+0x2c4/0x4f0
[ 207.397834][ T6809] ? __pfx_worker_thread+0x10/0x10
[ 207.397853][ T6809] kthread+0x15b/0x310
[ 207.397878][ T6809] ? finish_task_switch.isra.0+0x86/0x280
[ 207.397900][ T6809] ? __pfx_kthread+0x10/0x10
[ 207.397925][ T6809] ? __pfx_kthread+0x10/0x10
[ 207.397951][ T6809] ret_from_fork+0x210/0x240
[ 207.397976][ T6809] ? __pfx_kthread+0x10/0x10
[ 207.398001][ T6809] ret_from_fork_asm+0x1a/0x30
[ 207.398033][ T6809]
[ 207.398039][ T6809] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 213.218860][ T9] gfs2: fsid=syz:syz.0: file system withdrawn
[ 213.327170][ T7666] loop1: detected capacity change from 0 to 32768
[ 213.335187][ T7666] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 213.343985][ T7666] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 213.356016][ T7666] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 213.364520][ T2151] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 213.371670][ T2151] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 213.386465][ T2151] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms
[ 213.394358][ T2151] gfs2: fsid=syz:syz.0: jid=0: Done
[ 213.400128][ T7666] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 213.461040][ T9] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9381 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 213.476742][ T5912] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9390 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 213.492352][ T10] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9387 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 213.507915][ T6809] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 213.524088][ T5912] CPU: 0 UID: 0 PID: 5912 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full)
[ 213.524115][ T5912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 213.524131][ T5912] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 213.524156][ T5912] Call Trace:
[ 213.524246][ T5912]
[ 213.524253][ T5912] dump_stack_lvl+0xab/0xe0
[ 213.524284][ T5912] gfs2_withdraw+0x7c/0xf0
[ 213.524308][ T5912] gfs2_meta_buffer+0x1ae/0x1c0
[ 213.524341][ T5912] inode_go_instantiate+0x63/0x540
[ 213.524365][ T5912] gfs2_instantiate+0xa7/0x130
[ 213.524397][ T5912] gfs2_inode_lookup+0x490/0x510
[ 213.524423][ T5912] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 213.524446][ T5912] gfs2_lookup_by_inum+0x2f/0xb0
[ 213.524473][ T5912] delete_work_func+0x9e/0x2f0
[ 213.524494][ T5912] ? wg_peer_put+0x4c/0xc0
[ 213.524519][ T5912] ? _raw_spin_unlock_bh+0x13/0x30
[ 213.524546][ T5912] ? wg_packet_decrypt_worker+0x1af/0x2b0
[ 213.524578][ T5912] ? pwq_dec_nr_in_flight+0x78/0x560
[ 213.524600][ T5912] process_one_work+0x26b/0x620
[ 213.524618][ T5912] worker_thread+0x2c4/0x4f0
[ 213.524635][ T5912] ? __pfx_worker_thread+0x10/0x10
[ 213.524655][ T5912] kthread+0x15b/0x310
[ 213.524682][ T5912] ? finish_task_switch.isra.0+0x86/0x280
[ 213.524704][ T5912] ? __pfx_kthread+0x10/0x10
[ 213.524728][ T5912] ? __pfx_kthread+0x10/0x10
[ 213.524751][ T5912] ret_from_fork+0x210/0x240
[ 213.524775][ T5912] ? __pfx_kthread+0x10/0x10
[ 213.524802][ T5912] ret_from_fork_asm+0x1a/0x30
[ 213.524835][ T5912]
[ 213.524841][ T5912] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 218.737396][ T6338] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564
[ 218.752148][ T6338] CPU: 1 UID: 0 PID: 6338 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 218.752174][ T6338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 218.752186][ T6338] Call Trace:
[ 218.752192][ T6338]
[ 218.752198][ T6338] dump_stack_lvl+0xab/0xe0
[ 218.752223][ T6338] gfs2_assert_warn_i+0xc1/0x170
[ 218.752237][ T6338] gfs2_make_fs_ro+0x13b/0x210
[ 218.752253][ T6338] ? __pfx_autoremove_wake_function+0x10/0x10
[ 218.752275][ T6338] gfs2_put_super+0xb4/0x2d0
[ 218.752291][ T6338] ? __pfx_gfs2_put_super+0x10/0x10
[ 218.752307][ T6338] generic_shutdown_super+0x9c/0x170
[ 218.752326][ T6338] kill_block_super+0x1d/0x50
[ 218.752344][ T6338] gfs2_kill_sb+0x1b6/0x1e0
[ 218.752357][ T6338] deactivate_locked_super+0x51/0x180
[ 218.752369][ T6338] deactivate_super+0x9c/0xb0
[ 218.752379][ T6338] cleanup_mnt+0x121/0x210
[ 218.752402][ T6338] task_work_run+0x91/0xe0
[ 218.752422][ T6338] exit_to_user_mode_loop+0xbd/0xf0
[ 218.752440][ T6338] do_syscall_64+0x28e/0xfa0
[ 218.752456][ T6338] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 218.752468][ T6338] RIP: 0033:0x7f079e7909f7
[ 218.752478][ T6338] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 218.752490][ T6338] RSP: 002b:00007ffd1900c588 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 218.752501][ T6338] RAX: 0000000000000000 RBX: 00007f079e811d7d RCX: 00007f079e7909f7
[ 218.752509][ T6338] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1900c640
[ 218.752516][ T6338] RBP: 00007ffd1900c640 R08: 0000000000000000 R09: 0000000000000000
[ 218.752523][ T6338] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd1900d6d0
[ 218.752531][ T6338] R13: 00007f079e811d7d R14: 00000000000341d9 R15: 00007ffd1900d710
[ 218.752540][ T6338]
2025/11/08 22:57:34 executed programs: 152
[ 221.724755][ T7686] loop6: detected capacity change from 0 to 32768
[ 221.725807][ T7681] loop1: detected capacity change from 0 to 32768
[ 221.752965][ T7679] loop3: detected capacity change from 0 to 32768
[ 221.753656][ T7686] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 221.772119][ T7682] loop2: detected capacity change from 0 to 32768
[ 221.783287][ T7686] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 221.791153][ T7678] loop0: detected capacity change from 0 to 32768
[ 221.798343][ T7679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.803672][ T7684] loop5: detected capacity change from 0 to 32768
[ 221.806126][ T7685] loop4: detected capacity change from 0 to 32768
[ 221.819943][ T7679] CPU: 1 UID: 0 PID: 7679 Comm: syz.3.158 Not tainted syzkaller #0 PREEMPT(full)
[ 221.819970][ T7679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 221.819981][ T7679] Call Trace:
[ 221.819986][ T7679]
[ 221.819992][ T7679] dump_stack_lvl+0xab/0xe0
[ 221.820024][ T7679] sysfs_warn_dup+0x64/0x70
[ 221.820057][ T7679] sysfs_create_dir_ns+0x127/0x140
[ 221.820091][ T7679] kobject_add_internal+0x104/0x370
[ 221.820125][ T7679] kobject_init_and_add+0xab/0xf0
[ 221.820159][ T7679] ? alloc_workqueue_noprof+0x836/0xbe0
[ 221.820190][ T7679] gfs2_sys_fs_add+0xf6/0x230
[ 221.820211][ T7679] gfs2_fill_super+0x7ed/0x1430
[ 221.820236][ T7679] ? sb_set_blocksize+0xc4/0xf0
[ 221.820270][ T7679] ? setup_bdev_super+0x19d/0x330
[ 221.820350][ T7679] ? __pfx_gfs2_fill_super+0x10/0x10
[ 221.820376][ T7679] get_tree_bdev_flags+0x1c2/0x290
[ 221.820398][ T7679] gfs2_get_tree+0x26/0xd0
[ 221.820420][ T7679] vfs_get_tree+0x31/0x130
[ 221.820449][ T7679] path_mount+0x5b2/0x12e0
[ 221.820484][ T7679] ? putname+0xc5/0xe0
[ 221.820509][ T7679] __x64_sys_mount+0x1a2/0x1e0
[ 221.820534][ T7679] do_syscall_64+0xa4/0xfa0
[ 221.820562][ T7679] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 221.820584][ T7679] RIP: 0033:0x7f7f26990e6a
[ 221.820599][ T7679] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 221.820620][ T7679] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.820638][ T7679] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 221.820651][ T7679] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 221.820664][ T7679] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 221.820676][ T7679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 221.820688][ T7679] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 221.820705][ T7679]
[ 221.820713][ T7679] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.837382][ T7681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.844365][ T7679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.853061][ T7678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.877327][ T7681] CPU: 1 UID: 0 PID: 7681 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full)
[ 221.877355][ T7681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 221.877368][ T7681] Call Trace:
[ 221.877373][ T7681]
[ 221.877380][ T7681] dump_stack_lvl+0xab/0xe0
[ 221.877422][ T7681] sysfs_warn_dup+0x64/0x70
[ 221.877457][ T7681] sysfs_create_dir_ns+0x127/0x140
[ 221.877492][ T7681] kobject_add_internal+0x104/0x370
[ 221.877533][ T7681] kobject_init_and_add+0xab/0xf0
[ 221.877567][ T7681] ? alloc_workqueue_noprof+0x836/0xbe0
[ 221.877597][ T7681] gfs2_sys_fs_add+0xf6/0x230
[ 221.877619][ T7681] gfs2_fill_super+0x7ed/0x1430
[ 221.877645][ T7681] ? sb_set_blocksize+0xc4/0xf0
[ 221.877678][ T7681] ? setup_bdev_super+0x19d/0x330
[ 221.877713][ T7681] ? __pfx_gfs2_fill_super+0x10/0x10
[ 221.877738][ T7681] get_tree_bdev_flags+0x1c2/0x290
[ 221.877760][ T7681] gfs2_get_tree+0x26/0xd0
[ 221.877782][ T7681] vfs_get_tree+0x31/0x130
[ 221.877812][ T7681] path_mount+0x5b2/0x12e0
[ 221.877837][ T7681] ? putname+0xc5/0xe0
[ 221.877862][ T7681] __x64_sys_mount+0x1a2/0x1e0
[ 221.877887][ T7681] do_syscall_64+0xa4/0xfa0
[ 221.877915][ T7681] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 221.877937][ T7681] RIP: 0033:0x7f079e790e6a
[ 221.877952][ T7681] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 221.877973][ T7681] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.877992][ T7681] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 221.878006][ T7681] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 221.878019][ T7681] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 221.878032][ T7681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 221.878045][ T7681] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 221.878061][ T7681]
[ 221.878070][ T7681] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.878906][ T7678] CPU: 0 UID: 0 PID: 7678 Comm: syz.0.155 Not tainted syzkaller #0 PREEMPT(full)
[ 221.878932][ T7678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 221.878944][ T7678] Call Trace:
[ 221.878949][ T7678]
[ 221.878955][ T7678] dump_stack_lvl+0xab/0xe0
[ 221.878985][ T7678] sysfs_warn_dup+0x64/0x70
[ 221.879016][ T7678] sysfs_create_dir_ns+0x127/0x140
[ 221.879051][ T7678] kobject_add_internal+0x104/0x370
[ 221.879085][ T7678] kobject_init_and_add+0xab/0xf0
[ 221.879121][ T7678] ? alloc_workqueue_noprof+0x836/0xbe0
[ 221.879151][ T7678] gfs2_sys_fs_add+0xf6/0x230
[ 221.879171][ T7678] gfs2_fill_super+0x7ed/0x1430
[ 221.879197][ T7678] ? sb_set_blocksize+0xc4/0xf0
[ 221.879230][ T7678] ? setup_bdev_super+0x19d/0x330
[ 221.879264][ T7678] ? __pfx_gfs2_fill_super+0x10/0x10
[ 221.879289][ T7678] get_tree_bdev_flags+0x1c2/0x290
[ 221.879311][ T7678] gfs2_get_tree+0x26/0xd0
[ 221.879333][ T7678] vfs_get_tree+0x31/0x130
[ 221.879364][ T7678] path_mount+0x5b2/0x12e0
[ 221.879388][ T7678] ? putname+0xc5/0xe0
[ 221.879413][ T7678] __x64_sys_mount+0x1a2/0x1e0
[ 221.879438][ T7678] do_syscall_64+0xa4/0xfa0
[ 221.879466][ T7678] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 221.879488][ T7678] RIP: 0033:0x7fddb9790e6a
[ 221.879502][ T7678] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 221.879522][ T7678] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.879540][ T7678] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 221.879554][ T7678] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 221.879568][ T7678] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 221.879580][ T7678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 221.879594][ T7678] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 221.879610][ T7678]
[ 221.879618][ T7678] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.886431][ T7685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.889224][ T7678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.900931][ T7686] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 221.926346][ T7685] CPU: 0 UID: 0 PID: 7685 Comm: syz.4.159 Not tainted syzkaller #0 PREEMPT(full)
[ 221.926373][ T7685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 221.926386][ T7685] Call Trace:
[ 221.926391][ T7685]
[ 221.926398][ T7685] dump_stack_lvl+0xab/0xe0
[ 221.926431][ T7685] sysfs_warn_dup+0x64/0x70
[ 221.926467][ T7685] sysfs_create_dir_ns+0x127/0x140
[ 221.926502][ T7685] kobject_add_internal+0x104/0x370
[ 221.926537][ T7685] kobject_init_and_add+0xab/0xf0
[ 221.926572][ T7685] ? alloc_workqueue_noprof+0x836/0xbe0
[ 221.926604][ T7685] gfs2_sys_fs_add+0xf6/0x230
[ 221.926625][ T7685] gfs2_fill_super+0x7ed/0x1430
[ 221.926652][ T7685] ? sb_set_blocksize+0xc4/0xf0
[ 221.926686][ T7685] ? setup_bdev_super+0x19d/0x330
[ 221.926720][ T7685] ? __pfx_gfs2_fill_super+0x10/0x10
[ 221.926746][ T7685] get_tree_bdev_flags+0x1c2/0x290
[ 221.926775][ T7685] gfs2_get_tree+0x26/0xd0
[ 221.926797][ T7685] vfs_get_tree+0x31/0x130
[ 221.926828][ T7685] path_mount+0x5b2/0x12e0
[ 221.926853][ T7685] ? putname+0xc5/0xe0
[ 221.926879][ T7685] __x64_sys_mount+0x1a2/0x1e0
[ 221.926904][ T7685] do_syscall_64+0xa4/0xfa0
[ 221.926932][ T7685] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 221.926954][ T7685] RIP: 0033:0x7fe0b7390e6a
[ 221.926970][ T7685] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 221.926991][ T7685] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.927010][ T7685] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 221.927024][ T7685] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 221.927038][ T7685] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 221.927051][ T7685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 221.927064][ T7685] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 221.927081][ T7685]
[ 221.927091][ T7685] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.929112][ T7682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.935120][ T7685] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.958861][ T7681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.973628][ T7682] CPU: 0 UID: 0 PID: 7682 Comm: syz.2.157 Not tainted syzkaller #0 PREEMPT(full)
[ 221.973658][ T7682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 221.973671][ T7682] Call Trace:
[ 221.973676][ T7682]
[ 221.973683][ T7682] dump_stack_lvl+0xab/0xe0
[ 221.973715][ T7682] sysfs_warn_dup+0x64/0x70
[ 221.973750][ T7682] sysfs_create_dir_ns+0x127/0x140
[ 221.973792][ T7682] kobject_add_internal+0x104/0x370
[ 221.973827][ T7682] kobject_init_and_add+0xab/0xf0
[ 221.973863][ T7682] ? alloc_workqueue_noprof+0x836/0xbe0
[ 221.973893][ T7682] gfs2_sys_fs_add+0xf6/0x230
[ 221.973915][ T7682] gfs2_fill_super+0x7ed/0x1430
[ 221.973941][ T7682] ? sb_set_blocksize+0xc4/0xf0
[ 221.973975][ T7682] ? setup_bdev_super+0x19d/0x330
[ 221.974009][ T7682] ? __pfx_gfs2_fill_super+0x10/0x10
[ 221.974034][ T7682] get_tree_bdev_flags+0x1c2/0x290
[ 221.974057][ T7682] gfs2_get_tree+0x26/0xd0
[ 221.974079][ T7682] vfs_get_tree+0x31/0x130
[ 221.974110][ T7682] path_mount+0x5b2/0x12e0
[ 221.974134][ T7682] ? putname+0xc5/0xe0
[ 221.974160][ T7682] __x64_sys_mount+0x1a2/0x1e0
[ 221.974186][ T7682] do_syscall_64+0xa4/0xfa0
[ 221.974214][ T7682] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 221.974236][ T7682] RIP: 0033:0x7f45bc190e6a
[ 221.974251][ T7682] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 221.974272][ T7682] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.974291][ T7682] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 221.974305][ T7682] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 221.974318][ T7682] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 221.974332][ T7682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 221.974345][ T7682] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 221.974362][ T7682]
[ 221.974372][ T7682] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.009652][ T7684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.013547][ T7682] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.094478][ T23] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 222.103987][ T7684] CPU: 0 UID: 0 PID: 7684 Comm: syz.5.160 Not tainted syzkaller #0 PREEMPT(full)
[ 222.104016][ T7684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 222.104029][ T7684] Call Trace:
[ 222.104034][ T7684]
[ 222.104041][ T7684] dump_stack_lvl+0xab/0xe0
[ 222.104075][ T7684] sysfs_warn_dup+0x64/0x70
[ 222.104109][ T7684] sysfs_create_dir_ns+0x127/0x140
[ 222.104145][ T7684] kobject_add_internal+0x104/0x370
[ 222.104179][ T7684] kobject_init_and_add+0xab/0xf0
[ 222.104214][ T7684] ? alloc_workqueue_noprof+0x836/0xbe0
[ 222.104253][ T7684] gfs2_sys_fs_add+0xf6/0x230
[ 222.104275][ T7684] gfs2_fill_super+0x7ed/0x1430
[ 222.104305][ T7684] ? sb_set_blocksize+0xc4/0xf0
[ 222.104339][ T7684] ? setup_bdev_super+0x19d/0x330
[ 222.104373][ T7684] ? __pfx_gfs2_fill_super+0x10/0x10
[ 222.104398][ T7684] get_tree_bdev_flags+0x1c2/0x290
[ 222.104421][ T7684] gfs2_get_tree+0x26/0xd0
[ 222.104443][ T7684] vfs_get_tree+0x31/0x130
[ 222.104474][ T7684] path_mount+0x5b2/0x12e0
[ 222.104498][ T7684] ? putname+0xc5/0xe0
[ 222.104524][ T7684] __x64_sys_mount+0x1a2/0x1e0
[ 222.104550][ T7684] do_syscall_64+0xa4/0xfa0
[ 222.104579][ T7684] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 222.104602][ T7684] RIP: 0033:0x7fb323790e6a
[ 222.104618][ T7684] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 222.104639][ T7684] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.104659][ T7684] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 222.104674][ T7684] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 222.104688][ T7684] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 222.104702][ T7684] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 222.104715][ T7684] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 222.104732][ T7684]
[ 222.104775][ T7684] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.123222][ T23] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 222.391895][ T7684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.642024][ T23] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 518ms
[ 223.408968][ T7710] loop3: detected capacity change from 0 to 32768
[ 223.426467][ T7708] loop4: detected capacity change from 0 to 32768
[ 223.455676][ T7708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.465734][ T7710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.467421][ T23] gfs2: fsid=syz:syz.0: jid=0: Done
[ 223.497299][ T7710] CPU: 1 UID: 0 PID: 7710 Comm: syz.3.164 Not tainted syzkaller #0 PREEMPT(full)
[ 223.497330][ T7710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.497348][ T7710] Call Trace:
[ 223.497353][ T7710]
[ 223.497360][ T7710] dump_stack_lvl+0xab/0xe0
[ 223.497395][ T7710] sysfs_warn_dup+0x64/0x70
[ 223.497431][ T7710] sysfs_create_dir_ns+0x127/0x140
[ 223.497467][ T7710] kobject_add_internal+0x104/0x370
[ 223.497503][ T7710] kobject_init_and_add+0xab/0xf0
[ 223.497538][ T7710] ? alloc_workqueue_noprof+0x836/0xbe0
[ 223.497570][ T7710] gfs2_sys_fs_add+0xf6/0x230
[ 223.497592][ T7710] gfs2_fill_super+0x7ed/0x1430
[ 223.497620][ T7710] ? sb_set_blocksize+0xc4/0xf0
[ 223.497656][ T7710] ? setup_bdev_super+0x19d/0x330
[ 223.497691][ T7710] ? __pfx_gfs2_fill_super+0x10/0x10
[ 223.497718][ T7710] get_tree_bdev_flags+0x1c2/0x290
[ 223.497742][ T7710] gfs2_get_tree+0x26/0xd0
[ 223.497766][ T7710] vfs_get_tree+0x31/0x130
[ 223.497797][ T7710] path_mount+0x5b2/0x12e0
[ 223.497823][ T7710] ? putname+0xc5/0xe0
[ 223.497850][ T7710] __x64_sys_mount+0x1a2/0x1e0
[ 223.497875][ T7710] do_syscall_64+0xa4/0xfa0
[ 223.497904][ T7710] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 223.497928][ T7710] RIP: 0033:0x7f7f26990e6a
[ 223.497944][ T7710] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.497966][ T7710] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.497987][ T7710] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 223.498001][ T7710] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 223.498016][ T7710] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 223.498030][ T7710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 223.498043][ T7710] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 223.498061][ T7710]
[ 223.498104][ T7710] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.509894][ T7706] loop0: detected capacity change from 0 to 32768
[ 223.526801][ T7712] loop2: detected capacity change from 0 to 32768
[ 223.550838][ T7708] CPU: 0 UID: 0 PID: 7708 Comm: syz.4.163 Not tainted syzkaller #0 PREEMPT(full)
[ 223.550863][ T7708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.550875][ T7708] Call Trace:
[ 223.550881][ T7708]
[ 223.550887][ T7708] dump_stack_lvl+0xab/0xe0
[ 223.550921][ T7708] sysfs_warn_dup+0x64/0x70
[ 223.550957][ T7708] sysfs_create_dir_ns+0x127/0x140
[ 223.550993][ T7708] kobject_add_internal+0x104/0x370
[ 223.551028][ T7708] kobject_init_and_add+0xab/0xf0
[ 223.551064][ T7708] ? alloc_workqueue_noprof+0x836/0xbe0
[ 223.551095][ T7708] gfs2_sys_fs_add+0xf6/0x230
[ 223.551118][ T7708] gfs2_fill_super+0x7ed/0x1430
[ 223.551144][ T7708] ? sb_set_blocksize+0xc4/0xf0
[ 223.551179][ T7708] ? setup_bdev_super+0x19d/0x330
[ 223.551213][ T7708] ? __pfx_gfs2_fill_super+0x10/0x10
[ 223.551239][ T7708] get_tree_bdev_flags+0x1c2/0x290
[ 223.551262][ T7708] gfs2_get_tree+0x26/0xd0
[ 223.551284][ T7708] vfs_get_tree+0x31/0x130
[ 223.551315][ T7708] path_mount+0x5b2/0x12e0
[ 223.551341][ T7708] ? putname+0xc5/0xe0
[ 223.551366][ T7708] __x64_sys_mount+0x1a2/0x1e0
[ 223.551391][ T7708] do_syscall_64+0xa4/0xfa0
[ 223.551419][ T7708] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 223.551449][ T7708] RIP: 0033:0x7fe0b7390e6a
[ 223.551465][ T7708] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.551486][ T7708] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.551505][ T7708] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 223.551520][ T7708] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 223.551535][ T7708] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 223.551548][ T7708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 223.551562][ T7708] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 223.551579][ T7708]
[ 223.551589][ T7708] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.587352][ T7710] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.615586][ T7706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.616809][ T7708] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.622960][ T7706] CPU: 0 UID: 0 PID: 7706 Comm: syz.0.162 Not tainted syzkaller #0 PREEMPT(full)
[ 223.622987][ T7706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.623000][ T7706] Call Trace:
[ 223.623005][ T7706]
[ 223.623012][ T7706] dump_stack_lvl+0xab/0xe0
[ 223.623044][ T7706] sysfs_warn_dup+0x64/0x70
[ 223.623078][ T7706] sysfs_create_dir_ns+0x127/0x140
[ 223.623113][ T7706] kobject_add_internal+0x104/0x370
[ 223.623148][ T7706] kobject_init_and_add+0xab/0xf0
[ 223.623183][ T7706] ? alloc_workqueue_noprof+0x836/0xbe0
[ 223.623213][ T7706] gfs2_sys_fs_add+0xf6/0x230
[ 223.623235][ T7706] gfs2_fill_super+0x7ed/0x1430
[ 223.623267][ T7706] ? sb_set_blocksize+0xc4/0xf0
[ 223.623301][ T7706] ? setup_bdev_super+0x19d/0x330
[ 223.623334][ T7706] ? __pfx_gfs2_fill_super+0x10/0x10
[ 223.623360][ T7706] get_tree_bdev_flags+0x1c2/0x290
[ 223.623382][ T7706] gfs2_get_tree+0x26/0xd0
[ 223.623405][ T7706] vfs_get_tree+0x31/0x130
[ 223.623436][ T7706] path_mount+0x5b2/0x12e0
[ 223.623460][ T7706] ? putname+0xc5/0xe0
[ 223.623486][ T7706] __x64_sys_mount+0x1a2/0x1e0
[ 223.623511][ T7706] do_syscall_64+0xa4/0xfa0
[ 223.623538][ T7706] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 223.623561][ T7706] RIP: 0033:0x7fddb9790e6a
[ 223.623576][ T7706] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.623597][ T7706] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.623616][ T7706] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 223.623630][ T7706] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 223.623644][ T7706] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 223.623657][ T7706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 223.623670][ T7706] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 223.623687][ T7706]
[ 223.623695][ T7706] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.644988][ T7686] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 223.649560][ T7706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.709238][ T7715] loop5: detected capacity change from 0 to 32768
[ 223.753439][ T7716] loop1: detected capacity change from 0 to 32768
[ 223.794578][ T7712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.882468][ T7715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.891142][ T7712] CPU: 1 UID: 0 PID: 7712 Comm: syz.2.166 Not tainted syzkaller #0 PREEMPT(full)
[ 223.891170][ T7712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.891183][ T7712] Call Trace:
[ 223.891189][ T7712]
[ 223.891195][ T7712] dump_stack_lvl+0xab/0xe0
[ 223.891229][ T7712] sysfs_warn_dup+0x64/0x70
[ 223.891264][ T7712] sysfs_create_dir_ns+0x127/0x140
[ 223.891300][ T7712] kobject_add_internal+0x104/0x370
[ 223.891335][ T7712] kobject_init_and_add+0xab/0xf0
[ 223.891381][ T7712] ? alloc_workqueue_noprof+0x836/0xbe0
[ 223.891412][ T7712] gfs2_sys_fs_add+0xf6/0x230
[ 223.891434][ T7712] gfs2_fill_super+0x7ed/0x1430
[ 223.891461][ T7712] ? sb_set_blocksize+0xc4/0xf0
[ 223.891496][ T7712] ? setup_bdev_super+0x19d/0x330
[ 223.891546][ T7712] ? __pfx_gfs2_fill_super+0x10/0x10
[ 223.891573][ T7712] get_tree_bdev_flags+0x1c2/0x290
[ 223.891596][ T7712] gfs2_get_tree+0x26/0xd0
[ 223.891619][ T7712] vfs_get_tree+0x31/0x130
[ 223.891651][ T7712] path_mount+0x5b2/0x12e0
[ 223.891676][ T7712] ? putname+0xc5/0xe0
[ 223.891702][ T7712] __x64_sys_mount+0x1a2/0x1e0
[ 223.891728][ T7712] do_syscall_64+0xa4/0xfa0
[ 223.891757][ T7712] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 223.891779][ T7712] RIP: 0033:0x7f45bc190e6a
[ 223.891796][ T7712] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.891818][ T7712] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.891838][ T7712] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 223.891852][ T7712] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 223.891866][ T7712] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 223.891879][ T7712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 223.891892][ T7712] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 223.891909][ T7712]
[ 223.891919][ T7712] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.967271][ T7715] CPU: 0 UID: 0 PID: 7715 Comm: syz.5.167 Not tainted syzkaller #0 PREEMPT(full)
[ 223.967300][ T7715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.967313][ T7715] Call Trace:
[ 223.967319][ T7715]
[ 223.967325][ T7715] dump_stack_lvl+0xab/0xe0
[ 223.967358][ T7715] sysfs_warn_dup+0x64/0x70
[ 223.967393][ T7715] sysfs_create_dir_ns+0x127/0x140
[ 223.967429][ T7715] kobject_add_internal+0x104/0x370
[ 223.967464][ T7715] kobject_init_and_add+0xab/0xf0
[ 223.967500][ T7715] ? alloc_workqueue_noprof+0x836/0xbe0
[ 223.967531][ T7715] gfs2_sys_fs_add+0xf6/0x230
[ 223.967553][ T7715] gfs2_fill_super+0x7ed/0x1430
[ 223.967586][ T7715] ? sb_set_blocksize+0xc4/0xf0
[ 223.967621][ T7715] ? setup_bdev_super+0x19d/0x330
[ 223.967655][ T7715] ? __pfx_gfs2_fill_super+0x10/0x10
[ 223.967681][ T7715] get_tree_bdev_flags+0x1c2/0x290
[ 223.967704][ T7715] gfs2_get_tree+0x26/0xd0
[ 223.967727][ T7715] vfs_get_tree+0x31/0x130
[ 223.967758][ T7715] path_mount+0x5b2/0x12e0
[ 223.967784][ T7715] ? putname+0xc5/0xe0
[ 223.967810][ T7715] __x64_sys_mount+0x1a2/0x1e0
[ 223.967836][ T7715] do_syscall_64+0xa4/0xfa0
[ 223.967864][ T7715] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 223.967887][ T7715] RIP: 0033:0x7fb323790e6a
[ 223.967903][ T7715] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.967924][ T7715] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.967943][ T7715] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 223.967958][ T7715] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 223.967972][ T7715] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 223.967986][ T7715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 223.968000][ T7715] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 223.968016][ T7715]
[ 223.968025][ T7715] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.988641][ T7712] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.017501][ T5912] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9381 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 224.020310][ T7715] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.028576][ T7716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.591114][ T7732] loop0: detected capacity change from 0 to 32768
[ 224.605595][ T5912] CPU: 0 UID: 0 PID: 5912 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full)
[ 224.605621][ T5912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.605635][ T5912] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 224.605661][ T5912] Call Trace:
[ 224.605668][ T5912]
[ 224.605676][ T5912] dump_stack_lvl+0xab/0xe0
[ 224.605708][ T5912] gfs2_withdraw+0x7c/0xf0
[ 224.605730][ T5912] gfs2_meta_buffer+0x1ae/0x1c0
[ 224.605764][ T5912] inode_go_instantiate+0x63/0x540
[ 224.605789][ T5912] gfs2_instantiate+0xa7/0x130
[ 224.605820][ T5912] gfs2_inode_lookup+0x490/0x510
[ 224.605848][ T5912] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 224.605876][ T5912] gfs2_lookup_by_inum+0x2f/0xb0
[ 224.605904][ T5912] delete_work_func+0x9e/0x2f0
[ 224.605926][ T5912] ? pwq_dec_nr_in_flight+0x78/0x560
[ 224.605946][ T5912] process_one_work+0x26b/0x620
[ 224.605967][ T5912] worker_thread+0x2c4/0x4f0
[ 224.605986][ T5912] ? __pfx_worker_thread+0x10/0x10
[ 224.606005][ T5912] kthread+0x15b/0x310
[ 224.606030][ T5912] ? finish_task_switch.isra.0+0x86/0x280
[ 224.606050][ T5912] ? __pfx_kthread+0x10/0x10
[ 224.606076][ T5912] ? __pfx_kthread+0x10/0x10
[ 224.606102][ T5912] ret_from_fork+0x210/0x240
[ 224.606125][ T5912] ? __pfx_kthread+0x10/0x10
[ 224.606151][ T5912] ret_from_fork_asm+0x1a/0x30
[ 224.606184][ T5912]
[ 224.606191][ T5912] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 224.615270][ T7716] CPU: 1 UID: 0 PID: 7716 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full)
[ 224.615298][ T7716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.615311][ T7716] Call Trace:
[ 224.615317][ T7716]
[ 224.615324][ T7716] dump_stack_lvl+0xab/0xe0
[ 224.615354][ T7716] sysfs_warn_dup+0x64/0x70
[ 224.615388][ T7716] sysfs_create_dir_ns+0x127/0x140
[ 224.615424][ T7716] kobject_add_internal+0x104/0x370
[ 224.615460][ T7716] kobject_init_and_add+0xab/0xf0
[ 224.615495][ T7716] ? alloc_workqueue_noprof+0x836/0xbe0
[ 224.615532][ T7716] gfs2_sys_fs_add+0xf6/0x230
[ 224.615553][ T7716] gfs2_fill_super+0x7ed/0x1430
[ 224.615580][ T7716] ? sb_set_blocksize+0xc4/0xf0
[ 224.615615][ T7716] ? setup_bdev_super+0x19d/0x330
[ 224.615649][ T7716] ? __pfx_gfs2_fill_super+0x10/0x10
[ 224.615687][ T7716] get_tree_bdev_flags+0x1c2/0x290
[ 224.615711][ T7716] gfs2_get_tree+0x26/0xd0
[ 224.615734][ T7716] vfs_get_tree+0x31/0x130
[ 224.615764][ T7716] path_mount+0x5b2/0x12e0
[ 224.615790][ T7716] ? putname+0xc5/0xe0
[ 224.615816][ T7716] __x64_sys_mount+0x1a2/0x1e0
[ 224.615842][ T7716] do_syscall_64+0xa4/0xfa0
[ 224.615871][ T7716] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 224.615893][ T7716] RIP: 0033:0x7f079e790e6a
[ 224.615909][ T7716] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 224.615930][ T7716] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.615949][ T7716] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 224.615964][ T7716] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 224.615978][ T7716] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 224.615991][ T7716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 224.616004][ T7716] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 224.616021][ T7716]
[ 224.616044][ T7716] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.667987][ T7732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.677393][ T7716] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.683563][ T7732] CPU: 0 UID: 0 PID: 7732 Comm: syz.0.168 Not tainted syzkaller #0 PREEMPT(full)
[ 224.683591][ T7732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.683604][ T7732] Call Trace:
[ 224.683611][ T7732]
[ 224.683619][ T7732] dump_stack_lvl+0xab/0xe0
[ 224.683653][ T7732] sysfs_warn_dup+0x64/0x70
[ 224.683688][ T7732] sysfs_create_dir_ns+0x127/0x140
[ 224.683724][ T7732] kobject_add_internal+0x104/0x370
[ 224.683758][ T7732] kobject_init_and_add+0xab/0xf0
[ 224.683794][ T7732] ? alloc_workqueue_noprof+0x836/0xbe0
[ 224.683825][ T7732] gfs2_sys_fs_add+0xf6/0x230
[ 224.683847][ T7732] gfs2_fill_super+0x7ed/0x1430
[ 224.683874][ T7732] ? sb_set_blocksize+0xc4/0xf0
[ 224.683909][ T7732] ? setup_bdev_super+0x19d/0x330
[ 224.683943][ T7732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 224.683968][ T7732] get_tree_bdev_flags+0x1c2/0x290
[ 224.683991][ T7732] gfs2_get_tree+0x26/0xd0
[ 224.684014][ T7732] vfs_get_tree+0x31/0x130
[ 224.684045][ T7732] path_mount+0x5b2/0x12e0
[ 224.684070][ T7732] ? putname+0xc5/0xe0
[ 224.684101][ T7732] __x64_sys_mount+0x1a2/0x1e0
[ 224.684127][ T7732] do_syscall_64+0xa4/0xfa0
[ 224.684155][ T7732] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 224.684179][ T7732] RIP: 0033:0x7fddb9790e6a
[ 224.684194][ T7732] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 224.684215][ T7732] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.684234][ T7732] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 224.684249][ T7732] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 224.684263][ T7732] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 224.684277][ T7732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 224.684290][ T7732] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 224.684308][ T7732]
[ 224.684319][ T7732] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.323944][ T7732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.698663][ T6809] gfs2: fsid=syz:syz.0: file system withdrawn
2025/11/08 22:57:46 executed programs: 166
[ 233.454686][ T7750] loop6: detected capacity change from 0 to 32768
[ 233.466983][ T7750] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 233.487368][ T7750] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 233.530388][ T7746] loop0: detected capacity change from 0 to 32768
[ 233.552179][ T7746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.564474][ T7750] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 233.598861][ T7745] loop3: detected capacity change from 0 to 32768
[ 233.605950][ T7746] CPU: 1 UID: 0 PID: 7746 Comm: syz.0.169 Not tainted syzkaller #0 PREEMPT(full)
[ 233.605979][ T7746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 233.605993][ T7746] Call Trace:
[ 233.605999][ T7746]
[ 233.606006][ T7746] dump_stack_lvl+0xab/0xe0
[ 233.606046][ T7746] sysfs_warn_dup+0x64/0x70
[ 233.606080][ T7746] sysfs_create_dir_ns+0x127/0x140
[ 233.606115][ T7746] kobject_add_internal+0x104/0x370
[ 233.606149][ T7746] kobject_init_and_add+0xab/0xf0
[ 233.606185][ T7746] ? alloc_workqueue_noprof+0x836/0xbe0
[ 233.606219][ T7746] gfs2_sys_fs_add+0xf6/0x230
[ 233.606241][ T7746] gfs2_fill_super+0x7ed/0x1430
[ 233.606267][ T7746] ? sb_set_blocksize+0xc4/0xf0
[ 233.606302][ T7746] ? setup_bdev_super+0x19d/0x330
[ 233.606336][ T7746] ? __pfx_gfs2_fill_super+0x10/0x10
[ 233.606362][ T7746] get_tree_bdev_flags+0x1c2/0x290
[ 233.606384][ T7746] gfs2_get_tree+0x26/0xd0
[ 233.606407][ T7746] vfs_get_tree+0x31/0x130
[ 233.606437][ T7746] path_mount+0x5b2/0x12e0
[ 233.606462][ T7746] ? putname+0xc5/0xe0
[ 233.606488][ T7746] __x64_sys_mount+0x1a2/0x1e0
[ 233.606514][ T7746] do_syscall_64+0xa4/0xfa0
[ 233.606543][ T7746] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 233.606566][ T7746] RIP: 0033:0x7fddb9790e6a
[ 233.606581][ T7746] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 233.606603][ T7746] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.606624][ T7746] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 233.606638][ T7746] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 233.606653][ T7746] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 233.606667][ T7746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 233.606686][ T7746] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 233.606704][ T7746]
[ 233.606714][ T7746] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.614522][ T6809] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 233.687866][ T7745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.698721][ T6809] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 233.730696][ T7746] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.757409][ T7745] CPU: 0 UID: 0 PID: 7745 Comm: syz.3.172 Not tainted syzkaller #0 PREEMPT(full)
[ 233.757446][ T7745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 233.757459][ T7745] Call Trace:
[ 233.757465][ T7745]
[ 233.757473][ T7745] dump_stack_lvl+0xab/0xe0
[ 233.757506][ T7745] sysfs_warn_dup+0x64/0x70
[ 233.757541][ T7745] sysfs_create_dir_ns+0x127/0x140
[ 233.757576][ T7745] kobject_add_internal+0x104/0x370
[ 233.757610][ T7745] kobject_init_and_add+0xab/0xf0
[ 233.757646][ T7745] ? alloc_workqueue_noprof+0x836/0xbe0
[ 233.757676][ T7745] gfs2_sys_fs_add+0xf6/0x230
[ 233.757698][ T7745] gfs2_fill_super+0x7ed/0x1430
[ 233.757725][ T7745] ? sb_set_blocksize+0xc4/0xf0
[ 233.757759][ T7745] ? setup_bdev_super+0x19d/0x330
[ 233.757792][ T7745] ? __pfx_gfs2_fill_super+0x10/0x10
[ 233.757818][ T7745] get_tree_bdev_flags+0x1c2/0x290
[ 233.757840][ T7745] gfs2_get_tree+0x26/0xd0
[ 233.757862][ T7745] vfs_get_tree+0x31/0x130
[ 233.757893][ T7745] path_mount+0x5b2/0x12e0
[ 233.757918][ T7745] ? putname+0xc5/0xe0
[ 233.757944][ T7745] __x64_sys_mount+0x1a2/0x1e0
[ 233.757969][ T7745] do_syscall_64+0xa4/0xfa0
[ 233.757997][ T7745] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 233.758020][ T7745] RIP: 0033:0x7f7f26990e6a
[ 233.758035][ T7745] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 233.758057][ T7745] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.758076][ T7745] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 233.758091][ T7745] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 233.758105][ T7745] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 233.758118][ T7745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 233.758132][ T7745] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 233.758149][ T7745]
[ 233.758160][ T7745] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.787104][ T7747] loop5: detected capacity change from 0 to 32768
[ 233.857169][ T6809] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 158ms
[ 233.966023][ T7745] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.980292][ T7749] loop4: detected capacity change from 0 to 32768
[ 234.003144][ T7742] loop2: detected capacity change from 0 to 32768
[ 234.019296][ T7748] loop1: detected capacity change from 0 to 32768
[ 234.029823][ T7747] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.075005][ T6809] gfs2: fsid=syz:syz.0: jid=0: Done
[ 234.112884][ T7750] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 234.121554][ T7747] CPU: 0 UID: 0 PID: 7747 Comm: syz.5.174 Not tainted syzkaller #0 PREEMPT(full)
[ 234.121579][ T7747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.121592][ T7747] Call Trace:
[ 234.121597][ T7747]
[ 234.121603][ T7747] dump_stack_lvl+0xab/0xe0
[ 234.121633][ T7747] sysfs_warn_dup+0x64/0x70
[ 234.121664][ T7747] sysfs_create_dir_ns+0x127/0x140
[ 234.121698][ T7747] kobject_add_internal+0x104/0x370
[ 234.121733][ T7747] kobject_init_and_add+0xab/0xf0
[ 234.121764][ T7747] ? alloc_workqueue_noprof+0x836/0xbe0
[ 234.121792][ T7747] gfs2_sys_fs_add+0xf6/0x230
[ 234.121813][ T7747] gfs2_fill_super+0x7ed/0x1430
[ 234.121839][ T7747] ? sb_set_blocksize+0xc4/0xf0
[ 234.121872][ T7747] ? setup_bdev_super+0x19d/0x330
[ 234.121907][ T7747] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.121933][ T7747] get_tree_bdev_flags+0x1c2/0x290
[ 234.121956][ T7747] gfs2_get_tree+0x26/0xd0
[ 234.121978][ T7747] vfs_get_tree+0x31/0x130
[ 234.122009][ T7747] path_mount+0x5b2/0x12e0
[ 234.122035][ T7747] ? putname+0xc5/0xe0
[ 234.122061][ T7747] __x64_sys_mount+0x1a2/0x1e0
[ 234.122088][ T7747] do_syscall_64+0xa4/0xfa0
[ 234.122115][ T7747] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.122136][ T7747] RIP: 0033:0x7fb323790e6a
[ 234.122152][ T7747] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.122173][ T7747] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.122190][ T7747] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 234.122204][ T7747] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 234.122218][ T7747] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 234.122231][ T7747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 234.122245][ T7747] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 234.122262][ T7747]
[ 234.122357][ T7748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.149741][ T7747] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.163423][ T7749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.168908][ T7748] CPU: 1 UID: 0 PID: 7748 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full)
[ 234.168935][ T7748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.168948][ T7748] Call Trace:
[ 234.168955][ T7748]
[ 234.168962][ T7748] dump_stack_lvl+0xab/0xe0
[ 234.168994][ T7748] sysfs_warn_dup+0x64/0x70
[ 234.169031][ T7748] sysfs_create_dir_ns+0x127/0x140
[ 234.169067][ T7748] kobject_add_internal+0x104/0x370
[ 234.169101][ T7748] kobject_init_and_add+0xab/0xf0
[ 234.169137][ T7748] ? alloc_workqueue_noprof+0x836/0xbe0
[ 234.169169][ T7748] gfs2_sys_fs_add+0xf6/0x230
[ 234.169190][ T7748] gfs2_fill_super+0x7ed/0x1430
[ 234.169217][ T7748] ? sb_set_blocksize+0xc4/0xf0
[ 234.169252][ T7748] ? setup_bdev_super+0x19d/0x330
[ 234.169286][ T7748] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.169312][ T7748] get_tree_bdev_flags+0x1c2/0x290
[ 234.169335][ T7748] gfs2_get_tree+0x26/0xd0
[ 234.169358][ T7748] vfs_get_tree+0x31/0x130
[ 234.169390][ T7748] path_mount+0x5b2/0x12e0
[ 234.169426][ T7748] ? putname+0xc5/0xe0
[ 234.169453][ T7748] __x64_sys_mount+0x1a2/0x1e0
[ 234.169479][ T7748] do_syscall_64+0xa4/0xfa0
[ 234.169508][ T7748] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.169530][ T7748] RIP: 0033:0x7f079e790e6a
[ 234.169546][ T7748] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.169567][ T7748] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.169591][ T7748] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 234.169606][ T7748] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 234.169620][ T7748] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 234.169634][ T7748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 234.169647][ T7748] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 234.169664][ T7748]
[ 234.169675][ T7748] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.190084][ T7747] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.194848][ T7749] CPU: 1 UID: 0 PID: 7749 Comm: syz.4.173 Not tainted syzkaller #0 PREEMPT(full)
[ 234.194876][ T7749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.194889][ T7749] Call Trace:
[ 234.194895][ T7749]
[ 234.194903][ T7749] dump_stack_lvl+0xab/0xe0
[ 234.194937][ T7749] sysfs_warn_dup+0x64/0x70
[ 234.194972][ T7749] sysfs_create_dir_ns+0x127/0x140
[ 234.195009][ T7749] kobject_add_internal+0x104/0x370
[ 234.195044][ T7749] kobject_init_and_add+0xab/0xf0
[ 234.195080][ T7749] ? alloc_workqueue_noprof+0x836/0xbe0
[ 234.195111][ T7749] gfs2_sys_fs_add+0xf6/0x230
[ 234.195133][ T7749] gfs2_fill_super+0x7ed/0x1430
[ 234.195161][ T7749] ? sb_set_blocksize+0xc4/0xf0
[ 234.195207][ T7749] ? setup_bdev_super+0x19d/0x330
[ 234.195241][ T7749] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.195267][ T7749] get_tree_bdev_flags+0x1c2/0x290
[ 234.195290][ T7749] gfs2_get_tree+0x26/0xd0
[ 234.195313][ T7749] vfs_get_tree+0x31/0x130
[ 234.195343][ T7749] path_mount+0x5b2/0x12e0
[ 234.195369][ T7749] ? putname+0xc5/0xe0
[ 234.195395][ T7749] __x64_sys_mount+0x1a2/0x1e0
[ 234.195421][ T7749] do_syscall_64+0xa4/0xfa0
[ 234.195450][ T7749] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.195474][ T7749] RIP: 0033:0x7fe0b7390e6a
[ 234.195490][ T7749] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.195511][ T7749] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.195529][ T7749] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 234.195544][ T7749] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 234.195558][ T7749] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 234.195577][ T7749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 234.195590][ T7749] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 234.195607][ T7749]
[ 234.195618][ T7749] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.200016][ T7748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.259600][ T7749] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.277599][ T7742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.799206][ T7765] loop0: detected capacity change from 0 to 32768
[ 234.815651][ T7742] CPU: 0 UID: 0 PID: 7742 Comm: syz.2.171 Not tainted syzkaller #0 PREEMPT(full)
[ 234.815680][ T7742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.815693][ T7742] Call Trace:
[ 234.815699][ T7742]
[ 234.815707][ T7742] dump_stack_lvl+0xab/0xe0
[ 234.815741][ T7742] sysfs_warn_dup+0x64/0x70
[ 234.815777][ T7742] sysfs_create_dir_ns+0x127/0x140
[ 234.815813][ T7742] kobject_add_internal+0x104/0x370
[ 234.815876][ T7742] kobject_init_and_add+0xab/0xf0
[ 234.815912][ T7742] ? alloc_workqueue_noprof+0x836/0xbe0
[ 234.815944][ T7742] gfs2_sys_fs_add+0xf6/0x230
[ 234.815967][ T7742] gfs2_fill_super+0x7ed/0x1430
[ 234.815994][ T7742] ? sb_set_blocksize+0xc4/0xf0
[ 234.816029][ T7742] ? setup_bdev_super+0x19d/0x330
[ 234.816063][ T7742] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.816089][ T7742] get_tree_bdev_flags+0x1c2/0x290
[ 234.816112][ T7742] gfs2_get_tree+0x26/0xd0
[ 234.816133][ T7742] vfs_get_tree+0x31/0x130
[ 234.816165][ T7742] path_mount+0x5b2/0x12e0
[ 234.816190][ T7742] ? putname+0xc5/0xe0
[ 234.816217][ T7742] __x64_sys_mount+0x1a2/0x1e0
[ 234.816242][ T7742] do_syscall_64+0xa4/0xfa0
[ 234.816270][ T7742] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.816293][ T7742] RIP: 0033:0x7f45bc190e6a
[ 234.816310][ T7742] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.816331][ T7742] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.816351][ T7742] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 234.816365][ T7742] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 234.816379][ T7742] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 234.816394][ T7742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 234.816407][ T7742] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 234.816424][ T7742]
[ 234.816437][ T7742] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.819444][ T2151] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 234.904450][ T7742] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.910108][ T42] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9390 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 235.037346][ T7765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.050554][ T23] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9381 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 235.096663][ T5946] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9387 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 235.113477][ T5946] CPU: 1 UID: 0 PID: 5946 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT(full)
[ 235.113514][ T5946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.113527][ T5946] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 235.113552][ T5946] Call Trace:
[ 235.113557][ T5946]
[ 235.113564][ T5946] dump_stack_lvl+0xab/0xe0
[ 235.113595][ T5946] gfs2_withdraw+0x7c/0xf0
[ 235.113618][ T5946] gfs2_meta_buffer+0x1ae/0x1c0
[ 235.113653][ T5946] inode_go_instantiate+0x63/0x540
[ 235.113679][ T5946] gfs2_instantiate+0xa7/0x130
[ 235.113711][ T5946] gfs2_inode_lookup+0x490/0x510
[ 235.113741][ T5946] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 235.113770][ T5946] gfs2_lookup_by_inum+0x2f/0xb0
[ 235.113799][ T5946] delete_work_func+0x9e/0x2f0
[ 235.113834][ T5946] ? wg_peer_put+0x4c/0xc0
[ 235.113859][ T5946] ? _raw_spin_unlock_bh+0x13/0x30
[ 235.113887][ T5946] ? wg_packet_decrypt_worker+0x1af/0x2b0
[ 235.113919][ T5946] ? pwq_dec_nr_in_flight+0x78/0x560
[ 235.113941][ T5946] process_one_work+0x26b/0x620
[ 235.113961][ T5946] worker_thread+0x2c4/0x4f0
[ 235.113981][ T5946] ? __pfx_worker_thread+0x10/0x10
[ 235.114001][ T5946] kthread+0x15b/0x310
[ 235.114027][ T5946] ? finish_task_switch.isra.0+0x86/0x280
[ 235.114049][ T5946] ? __pfx_kthread+0x10/0x10
[ 235.114076][ T5946] ? __pfx_kthread+0x10/0x10
[ 235.114103][ T5946] ret_from_fork+0x210/0x240
[ 235.114128][ T5946] ? __pfx_kthread+0x10/0x10
[ 235.114155][ T5946] ret_from_fork_asm+0x1a/0x30
[ 235.114188][ T5946]
[ 235.114195][ T5946] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 235.157324][ T7765] CPU: 0 UID: 0 PID: 7765 Comm: syz.0.176 Not tainted syzkaller #0 PREEMPT(full)
[ 235.157352][ T7765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.157365][ T7765] Call Trace:
[ 235.157372][ T7765]
[ 235.157383][ T7765] dump_stack_lvl+0xab/0xe0
[ 235.157417][ T7765] sysfs_warn_dup+0x64/0x70
[ 235.157452][ T7765] sysfs_create_dir_ns+0x127/0x140
[ 235.157486][ T7765] kobject_add_internal+0x104/0x370
[ 235.157527][ T7765] kobject_init_and_add+0xab/0xf0
[ 235.157562][ T7765] ? alloc_workqueue_noprof+0x836/0xbe0
[ 235.157594][ T7765] gfs2_sys_fs_add+0xf6/0x230
[ 235.157615][ T7765] gfs2_fill_super+0x7ed/0x1430
[ 235.157642][ T7765] ? sb_set_blocksize+0xc4/0xf0
[ 235.157676][ T7765] ? setup_bdev_super+0x19d/0x330
[ 235.157710][ T7765] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.157736][ T7765] get_tree_bdev_flags+0x1c2/0x290
[ 235.157759][ T7765] gfs2_get_tree+0x26/0xd0
[ 235.157782][ T7765] vfs_get_tree+0x31/0x130
[ 235.157814][ T7765] path_mount+0x5b2/0x12e0
[ 235.157840][ T7765] ? putname+0xc5/0xe0
[ 235.157865][ T7765] __x64_sys_mount+0x1a2/0x1e0
[ 235.157896][ T7765] do_syscall_64+0xa4/0xfa0
[ 235.157925][ T7765] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.157948][ T7765] RIP: 0033:0x7fddb9790e6a
[ 235.157964][ T7765] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 235.157986][ T7765] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.158005][ T7765] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 235.158019][ T7765] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 235.158033][ T7765] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 235.158046][ T7765] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 235.158059][ T7765] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 235.158076][ T7765]
[ 235.158105][ T7765] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.459244][ T7775] loop5: detected capacity change from 0 to 32768
[ 235.463407][ T7765] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.506852][ T7777] loop4: detected capacity change from 0 to 32768
[ 235.520837][ T7775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.530219][ T7775] CPU: 0 UID: 0 PID: 7775 Comm: syz.5.177 Not tainted syzkaller #0 PREEMPT(full)
[ 235.530249][ T7775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.530263][ T7775] Call Trace:
[ 235.530269][ T7775]
[ 235.530276][ T7775] dump_stack_lvl+0xab/0xe0
[ 235.530311][ T7775] sysfs_warn_dup+0x64/0x70
[ 235.530348][ T7775] sysfs_create_dir_ns+0x127/0x140
[ 235.530387][ T7775] kobject_add_internal+0x104/0x370
[ 235.530425][ T7775] kobject_init_and_add+0xab/0xf0
[ 235.530470][ T7775] ? alloc_workqueue_noprof+0x836/0xbe0
[ 235.530504][ T7775] gfs2_sys_fs_add+0xf6/0x230
[ 235.530529][ T7775] gfs2_fill_super+0x7ed/0x1430
[ 235.530558][ T7775] ? sb_set_blocksize+0xc4/0xf0
[ 235.530595][ T7775] ? setup_bdev_super+0x19d/0x330
[ 235.530632][ T7775] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.530660][ T7775] get_tree_bdev_flags+0x1c2/0x290
[ 235.530685][ T7775] gfs2_get_tree+0x26/0xd0
[ 235.530710][ T7775] vfs_get_tree+0x31/0x130
[ 235.530744][ T7775] path_mount+0x5b2/0x12e0
[ 235.530770][ T7775] ? putname+0xc5/0xe0
[ 235.530799][ T7775] __x64_sys_mount+0x1a2/0x1e0
[ 235.530826][ T7775] do_syscall_64+0xa4/0xfa0
[ 235.530857][ T7775] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.530881][ T7775] RIP: 0033:0x7fb323790e6a
[ 235.530897][ T7775] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 235.530920][ T7775] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.530941][ T7775] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 235.530956][ T7775] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 235.530971][ T7775] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 235.530985][ T7775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 235.530999][ T7775] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 235.531017][ T7775]
[ 235.531027][ T7775] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.614387][ T7784] loop3: detected capacity change from 0 to 32768
[ 235.621296][ T7775] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.631982][ T7777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.680630][ T7779] loop1: detected capacity change from 0 to 32768
[ 235.687624][ T7777] CPU: 1 UID: 0 PID: 7777 Comm: syz.4.179 Not tainted syzkaller #0 PREEMPT(full)
[ 235.687651][ T7777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.687664][ T7777] Call Trace:
[ 235.687670][ T7777]
[ 235.687677][ T7777] dump_stack_lvl+0xab/0xe0
[ 235.687711][ T7777] sysfs_warn_dup+0x64/0x70
[ 235.687746][ T7777] sysfs_create_dir_ns+0x127/0x140
[ 235.687781][ T7777] kobject_add_internal+0x104/0x370
[ 235.687810][ T7777] kobject_init_and_add+0xab/0xf0
[ 235.687844][ T7777] ? alloc_workqueue_noprof+0x836/0xbe0
[ 235.687877][ T7777] gfs2_sys_fs_add+0xf6/0x230
[ 235.687899][ T7777] gfs2_fill_super+0x7ed/0x1430
[ 235.687925][ T7777] ? sb_set_blocksize+0xc4/0xf0
[ 235.687960][ T7777] ? setup_bdev_super+0x19d/0x330
[ 235.687994][ T7777] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.688019][ T7777] get_tree_bdev_flags+0x1c2/0x290
[ 235.688043][ T7777] gfs2_get_tree+0x26/0xd0
[ 235.688066][ T7777] vfs_get_tree+0x31/0x130
[ 235.688098][ T7777] path_mount+0x5b2/0x12e0
[ 235.688123][ T7777] ? putname+0xc5/0xe0
[ 235.688149][ T7777] __x64_sys_mount+0x1a2/0x1e0
[ 235.688175][ T7777] do_syscall_64+0xa4/0xfa0
[ 235.688202][ T7777] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.688225][ T7777] RIP: 0033:0x7fe0b7390e6a
[ 235.688241][ T7777] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 235.688262][ T7777] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.688281][ T7777] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 235.688296][ T7777] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 235.688310][ T7777] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 235.688323][ T7777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 235.688337][ T7777] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 235.688353][ T7777]
[ 235.688363][ T7777] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.724984][ T7784] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.728247][ T7777] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.825901][ T7784] CPU: 0 UID: 0 PID: 7784 Comm: syz.3.181 Not tainted syzkaller #0 PREEMPT(full)
[ 235.825929][ T7784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.825941][ T7784] Call Trace:
[ 235.825947][ T7784]
[ 235.825954][ T7784] dump_stack_lvl+0xab/0xe0
[ 235.825988][ T7784] sysfs_warn_dup+0x64/0x70
[ 235.826027][ T7784] sysfs_create_dir_ns+0x127/0x140
[ 235.826062][ T7784] kobject_add_internal+0x104/0x370
[ 235.826096][ T7784] kobject_init_and_add+0xab/0xf0
[ 235.826131][ T7784] ? alloc_workqueue_noprof+0x836/0xbe0
[ 235.826162][ T7784] gfs2_sys_fs_add+0xf6/0x230
[ 235.826184][ T7784] gfs2_fill_super+0x7ed/0x1430
[ 235.826211][ T7784] ? sb_set_blocksize+0xc4/0xf0
[ 235.826245][ T7784] ? setup_bdev_super+0x19d/0x330
[ 235.826285][ T7784] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.826311][ T7784] get_tree_bdev_flags+0x1c2/0x290
[ 235.826333][ T7784] gfs2_get_tree+0x26/0xd0
[ 235.826356][ T7784] vfs_get_tree+0x31/0x130
[ 235.826387][ T7784] path_mount+0x5b2/0x12e0
[ 235.826412][ T7784] ? putname+0xc5/0xe0
[ 235.826438][ T7784] __x64_sys_mount+0x1a2/0x1e0
[ 235.826463][ T7784] do_syscall_64+0xa4/0xfa0
[ 235.826492][ T7784] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.826514][ T7784] RIP: 0033:0x7f7f26990e6a
[ 235.826530][ T7784] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 235.826550][ T7784] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.826569][ T7784] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 235.826583][ T7784] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 235.826597][ T7784] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 235.826610][ T7784] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 235.826624][ T7784] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 235.826640][ T7784]
[ 235.826692][ T7784] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.858590][ T7779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.862662][ T7784] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.866676][ T7779] CPU: 1 UID: 0 PID: 7779 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full)
[ 235.866702][ T7779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.866715][ T7779] Call Trace:
[ 235.866721][ T7779]
[ 235.866728][ T7779] dump_stack_lvl+0xab/0xe0
[ 235.866761][ T7779] sysfs_warn_dup+0x64/0x70
[ 235.866796][ T7779] sysfs_create_dir_ns+0x127/0x140
[ 235.866831][ T7779] kobject_add_internal+0x104/0x370
[ 235.866870][ T7779] kobject_init_and_add+0xab/0xf0
[ 235.866905][ T7779] ? alloc_workqueue_noprof+0x836/0xbe0
[ 235.866948][ T7779] gfs2_sys_fs_add+0xf6/0x230
[ 235.866971][ T7779] gfs2_fill_super+0x7ed/0x1430
[ 235.866996][ T7779] ? sb_set_blocksize+0xc4/0xf0
[ 235.867030][ T7779] ? setup_bdev_super+0x19d/0x330
[ 235.867063][ T7779] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.867089][ T7779] get_tree_bdev_flags+0x1c2/0x290
[ 235.867112][ T7779] gfs2_get_tree+0x26/0xd0
[ 235.867135][ T7779] vfs_get_tree+0x31/0x130
[ 235.867165][ T7779] path_mount+0x5b2/0x12e0
[ 235.867190][ T7779] ? putname+0xc5/0xe0
[ 235.867222][ T7779] __x64_sys_mount+0x1a2/0x1e0
[ 235.867247][ T7779] do_syscall_64+0xa4/0xfa0
[ 235.867280][ T7779] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.867302][ T7779] RIP: 0033:0x7f079e790e6a
[ 235.867319][ T7779] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 235.867339][ T7779] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.867359][ T7779] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 235.867373][ T7779] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 235.867387][ T7779] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 235.867400][ T7779] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 235.867413][ T7779] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 235.867429][ T7779]
[ 235.868352][ T7779] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.295752][ T7788] loop2: detected capacity change from 0 to 32768
[ 236.299150][ T7779] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.380483][ T7788] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.481291][ T7788] CPU: 0 UID: 0 PID: 7788 Comm: syz.2.182 Not tainted syzkaller #0 PREEMPT(full)
[ 236.481322][ T7788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 236.481337][ T7788] Call Trace:
[ 236.481343][ T7788]
[ 236.481351][ T7788] dump_stack_lvl+0xab/0xe0
[ 236.481394][ T7788] sysfs_warn_dup+0x64/0x70
[ 236.481436][ T7788] sysfs_create_dir_ns+0x127/0x140
[ 236.481476][ T7788] kobject_add_internal+0x104/0x370
[ 236.481515][ T7788] kobject_init_and_add+0xab/0xf0
[ 236.481554][ T7788] ? alloc_workqueue_noprof+0x836/0xbe0
[ 236.481588][ T7788] gfs2_sys_fs_add+0xf6/0x230
[ 236.481613][ T7788] gfs2_fill_super+0x7ed/0x1430
[ 236.481643][ T7788] ? sb_set_blocksize+0xc4/0xf0
[ 236.481680][ T7788] ? setup_bdev_super+0x19d/0x330
[ 236.481717][ T7788] ? __pfx_gfs2_fill_super+0x10/0x10
[ 236.481745][ T7788] get_tree_bdev_flags+0x1c2/0x290
[ 236.481771][ T7788] gfs2_get_tree+0x26/0xd0
[ 236.481797][ T7788] vfs_get_tree+0x31/0x130
[ 236.481831][ T7788] path_mount+0x5b2/0x12e0
[ 236.481859][ T7788] ? putname+0xc5/0xe0
[ 236.481888][ T7788] __x64_sys_mount+0x1a2/0x1e0
[ 236.481916][ T7788] do_syscall_64+0xa4/0xfa0
[ 236.481947][ T7788] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 236.481967][ T7788] RIP: 0033:0x7f45bc190e6a
[ 236.481982][ T7788] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 236.482003][ T7788] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.482024][ T7788] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 236.482039][ T7788] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 236.482055][ T7788] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 236.482070][ T7788] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 236.482085][ T7788] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 236.482104][ T7788]
[ 236.482113][ T7788] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.698404][ T7788] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.417310][ T6358] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564
[ 240.432257][ T6358] CPU: 0 UID: 0 PID: 6358 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 240.432285][ T6358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 240.432298][ T6358] Call Trace:
[ 240.432304][ T6358]
[ 240.432311][ T6358] dump_stack_lvl+0xab/0xe0
[ 240.432347][ T6358] gfs2_assert_warn_i+0xc1/0x170
[ 240.432373][ T6358] gfs2_make_fs_ro+0x13b/0x210
[ 240.432403][ T6358] ? __pfx_autoremove_wake_function+0x10/0x10
[ 240.432441][ T6358] gfs2_put_super+0xb4/0x2d0
[ 240.432471][ T6358] ? __pfx_gfs2_put_super+0x10/0x10
[ 240.432501][ T6358] generic_shutdown_super+0x9c/0x170
[ 240.432523][ T6358] kill_block_super+0x1d/0x50
[ 240.432540][ T6358] gfs2_kill_sb+0x1b6/0x1e0
[ 240.432554][ T6358] deactivate_locked_super+0x51/0x180
[ 240.432566][ T6358] deactivate_super+0x9c/0xb0
[ 240.432576][ T6358] cleanup_mnt+0x121/0x210
[ 240.432597][ T6358] task_work_run+0x91/0xe0
[ 240.432616][ T6358] exit_to_user_mode_loop+0xbd/0xf0
[ 240.432635][ T6358] do_syscall_64+0x28e/0xfa0
[ 240.432651][ T6358] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 240.432664][ T6358] RIP: 0033:0x7ff53a3909f7
[ 240.432674][ T6358] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 240.432686][ T6358] RSP: 002b:00007ffff465df78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 240.432697][ T6358] RAX: 0000000000000000 RBX: 00007ff53a411d7d RCX: 00007ff53a3909f7
[ 240.432705][ T6358] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff465e030
[ 240.432712][ T6358] RBP: 00007ffff465e030 R08: 0000000000000000 R09: 0000000000000000
[ 240.432719][ T6358] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffff465f0c0
[ 240.432727][ T6358] R13: 00007ff53a411d7d R14: 0000000000039427 R15: 00007ffff465f100
[ 240.432736][ T6358]
[ 240.721116][ T7800] loop6: detected capacity change from 0 to 32768
[ 240.731015][ T7800] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 240.740226][ T7800] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 240.751383][ T7800] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 240.759397][ T6773] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 240.766267][ T6773] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 240.780704][ T6773] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms
[ 240.788177][ T6773] gfs2: fsid=syz:syz.0: jid=0: Done
[ 240.793660][ T7800] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 240.856630][ T5946] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9390 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 240.872148][ T42] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 240.887965][ T23] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9387 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 240.904043][ T5946] CPU: 1 UID: 0 PID: 5946 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT(full)
[ 240.904070][ T5946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 240.904083][ T5946] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 240.904107][ T5946] Call Trace:
[ 240.904113][ T5946]
[ 240.904120][ T5946] dump_stack_lvl+0xab/0xe0
[ 240.904152][ T5946] gfs2_withdraw+0x7c/0xf0
[ 240.904173][ T5946] gfs2_meta_buffer+0x1ae/0x1c0
[ 240.904207][ T5946] inode_go_instantiate+0x63/0x540
[ 240.904240][ T5946] gfs2_instantiate+0xa7/0x130
[ 240.904272][ T5946] gfs2_inode_lookup+0x490/0x510
[ 240.904302][ T5946] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 240.904331][ T5946] gfs2_lookup_by_inum+0x2f/0xb0
[ 240.904361][ T5946] delete_work_func+0x9e/0x2f0
[ 240.904382][ T5946] ? wg_peer_put+0x4c/0xc0
[ 240.904407][ T5946] ? _raw_spin_unlock_bh+0x13/0x30
[ 240.904434][ T5946] ? wg_packet_decrypt_worker+0x1af/0x2b0
[ 240.904466][ T5946] ? pwq_dec_nr_in_flight+0x78/0x560
[ 240.904488][ T5946] process_one_work+0x26b/0x620
[ 240.904509][ T5946] worker_thread+0x2c4/0x4f0
[ 240.904528][ T5946] ? __pfx_worker_thread+0x10/0x10
[ 240.904549][ T5946] kthread+0x15b/0x310
[ 240.904571][ T5946] ? finish_task_switch.isra.0+0x86/0x280
[ 240.904591][ T5946] ? __pfx_kthread+0x10/0x10
[ 240.904622][ T5946] ? __pfx_kthread+0x10/0x10
[ 240.904649][ T5946] ret_from_fork+0x210/0x240
[ 240.904673][ T5946] ? __pfx_kthread+0x10/0x10
[ 240.904700][ T5946] ret_from_fork_asm+0x1a/0x30
[ 240.904732][ T5946]
[ 240.904738][ T5946] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 246.098724][ T5859] gfs2: fsid=syz:syz.0: file system withdrawn
2025/11/08 22:58:01 executed programs: 180
[ 249.026748][ T7821] loop6: detected capacity change from 0 to 32768
[ 249.104659][ T7821] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 249.124721][ T7818] loop5: detected capacity change from 0 to 32768
[ 249.144555][ T7821] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 249.164721][ T7810] loop0: detected capacity change from 0 to 32768
[ 249.175305][ T7815] loop4: detected capacity change from 0 to 32768
[ 249.194367][ T7813] loop1: detected capacity change from 0 to 32768
[ 249.201712][ T7818] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.213503][ T7810] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.224864][ T7811] loop3: detected capacity change from 0 to 32768
[ 249.234019][ T7821] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 249.237295][ T7818] CPU: 0 UID: 0 PID: 7818 Comm: syz.5.188 Not tainted syzkaller #0 PREEMPT(full)
[ 249.237322][ T7818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.237334][ T7818] Call Trace:
[ 249.237340][ T7818]
[ 249.237346][ T7818] dump_stack_lvl+0xab/0xe0
[ 249.237380][ T7818] sysfs_warn_dup+0x64/0x70
[ 249.237415][ T7818] sysfs_create_dir_ns+0x127/0x140
[ 249.237450][ T7818] kobject_add_internal+0x104/0x370
[ 249.237484][ T7818] kobject_init_and_add+0xab/0xf0
[ 249.237520][ T7818] ? alloc_workqueue_noprof+0x836/0xbe0
[ 249.237551][ T7818] gfs2_sys_fs_add+0xf6/0x230
[ 249.237573][ T7818] gfs2_fill_super+0x7ed/0x1430
[ 249.237599][ T7818] ? sb_set_blocksize+0xc4/0xf0
[ 249.237632][ T7818] ? setup_bdev_super+0x19d/0x330
[ 249.237666][ T7818] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.237691][ T7818] get_tree_bdev_flags+0x1c2/0x290
[ 249.237714][ T7818] gfs2_get_tree+0x26/0xd0
[ 249.237737][ T7818] vfs_get_tree+0x31/0x130
[ 249.237767][ T7818] path_mount+0x5b2/0x12e0
[ 249.237792][ T7818] ? putname+0xc5/0xe0
[ 249.237817][ T7818] __x64_sys_mount+0x1a2/0x1e0
[ 249.237843][ T7818] do_syscall_64+0xa4/0xfa0
[ 249.237871][ T7818] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.237893][ T7818] RIP: 0033:0x7fb323790e6a
[ 249.237910][ T7818] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.237931][ T7818] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.237950][ T7818] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 249.237965][ T7818] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 249.237979][ T7818] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 249.237992][ T7818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 249.238012][ T7818] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 249.238028][ T7818]
[ 249.238039][ T7818] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.244054][ T7815] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.266667][ T7820] loop2: detected capacity change from 0 to 32768
[ 249.279464][ T7818] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.283165][ T7810] CPU: 0 UID: 0 PID: 7810 Comm: syz.0.183 Not tainted syzkaller #0 PREEMPT(full)
[ 249.283192][ T7810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.283205][ T7810] Call Trace:
[ 249.283211][ T7810]
[ 249.283218][ T7810] dump_stack_lvl+0xab/0xe0
[ 249.283250][ T7810] sysfs_warn_dup+0x64/0x70
[ 249.283285][ T7810] sysfs_create_dir_ns+0x127/0x140
[ 249.283329][ T7810] kobject_add_internal+0x104/0x370
[ 249.283364][ T7810] kobject_init_and_add+0xab/0xf0
[ 249.283400][ T7810] ? alloc_workqueue_noprof+0x836/0xbe0
[ 249.283431][ T7810] gfs2_sys_fs_add+0xf6/0x230
[ 249.283453][ T7810] gfs2_fill_super+0x7ed/0x1430
[ 249.283480][ T7810] ? sb_set_blocksize+0xc4/0xf0
[ 249.283514][ T7810] ? setup_bdev_super+0x19d/0x330
[ 249.283549][ T7810] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.283575][ T7810] get_tree_bdev_flags+0x1c2/0x290
[ 249.283598][ T7810] gfs2_get_tree+0x26/0xd0
[ 249.283620][ T7810] vfs_get_tree+0x31/0x130
[ 249.283651][ T7810] path_mount+0x5b2/0x12e0
[ 249.283676][ T7810] ? putname+0xc5/0xe0
[ 249.283702][ T7810] __x64_sys_mount+0x1a2/0x1e0
[ 249.283728][ T7810] do_syscall_64+0xa4/0xfa0
[ 249.283757][ T7810] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.283780][ T7810] RIP: 0033:0x7fddb9790e6a
[ 249.283796][ T7810] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.283817][ T7810] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.283836][ T7810] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 249.283850][ T7810] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 249.283865][ T7810] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 249.283882][ T7810] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 249.283895][ T7810] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 249.283912][ T7810]
[ 249.283922][ T7810] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.300759][ T7811] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.313758][ T7810] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.334546][ T7815] CPU: 1 UID: 0 PID: 7815 Comm: syz.4.187 Not tainted syzkaller #0 PREEMPT(full)
[ 249.334576][ T7815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.334588][ T7815] Call Trace:
[ 249.334594][ T7815]
[ 249.334600][ T7815] dump_stack_lvl+0xab/0xe0
[ 249.334633][ T7815] sysfs_warn_dup+0x64/0x70
[ 249.334667][ T7815] sysfs_create_dir_ns+0x127/0x140
[ 249.334703][ T7815] kobject_add_internal+0x104/0x370
[ 249.334737][ T7815] kobject_init_and_add+0xab/0xf0
[ 249.334772][ T7815] ? alloc_workqueue_noprof+0x836/0xbe0
[ 249.334813][ T7815] gfs2_sys_fs_add+0xf6/0x230
[ 249.334836][ T7815] gfs2_fill_super+0x7ed/0x1430
[ 249.334862][ T7815] ? sb_set_blocksize+0xc4/0xf0
[ 249.334896][ T7815] ? setup_bdev_super+0x19d/0x330
[ 249.334930][ T7815] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.334956][ T7815] get_tree_bdev_flags+0x1c2/0x290
[ 249.334978][ T7815] gfs2_get_tree+0x26/0xd0
[ 249.335001][ T7815] vfs_get_tree+0x31/0x130
[ 249.335032][ T7815] path_mount+0x5b2/0x12e0
[ 249.335057][ T7815] ? putname+0xc5/0xe0
[ 249.335090][ T7815] __x64_sys_mount+0x1a2/0x1e0
[ 249.335112][ T7815] do_syscall_64+0xa4/0xfa0
[ 249.335140][ T7815] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.335162][ T7815] RIP: 0033:0x7fe0b7390e6a
[ 249.335179][ T7815] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.335200][ T7815] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.335220][ T7815] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 249.335235][ T7815] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 249.335249][ T7815] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 249.335263][ T7815] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 249.335276][ T7815] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 249.335293][ T7815]
[ 249.335302][ T7815] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.347899][ T7811] CPU: 0 UID: 0 PID: 7811 Comm: syz.3.186 Not tainted syzkaller #0 PREEMPT(full)
[ 249.347928][ T7811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.347941][ T7811] Call Trace:
[ 249.347946][ T7811]
[ 249.347953][ T7811] dump_stack_lvl+0xab/0xe0
[ 249.347986][ T7811] sysfs_warn_dup+0x64/0x70
[ 249.348020][ T7811] sysfs_create_dir_ns+0x127/0x140
[ 249.348056][ T7811] kobject_add_internal+0x104/0x370
[ 249.348091][ T7811] kobject_init_and_add+0xab/0xf0
[ 249.348127][ T7811] ? alloc_workqueue_noprof+0x836/0xbe0
[ 249.348158][ T7811] gfs2_sys_fs_add+0xf6/0x230
[ 249.348180][ T7811] gfs2_fill_super+0x7ed/0x1430
[ 249.348207][ T7811] ? sb_set_blocksize+0xc4/0xf0
[ 249.348242][ T7811] ? setup_bdev_super+0x19d/0x330
[ 249.348276][ T7811] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.348302][ T7811] get_tree_bdev_flags+0x1c2/0x290
[ 249.348333][ T7811] gfs2_get_tree+0x26/0xd0
[ 249.348356][ T7811] vfs_get_tree+0x31/0x130
[ 249.348388][ T7811] path_mount+0x5b2/0x12e0
[ 249.348413][ T7811] ? putname+0xc5/0xe0
[ 249.348439][ T7811] __x64_sys_mount+0x1a2/0x1e0
[ 249.348465][ T7811] do_syscall_64+0xa4/0xfa0
[ 249.348494][ T7811] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.348521][ T7811] RIP: 0033:0x7f7f26990e6a
[ 249.348537][ T7811] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.348559][ T7811] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.348578][ T7811] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 249.348592][ T7811] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 249.348606][ T7811] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 249.348620][ T7811] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 249.348633][ T7811] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 249.348650][ T7811]
[ 249.348696][ T7811] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.352451][ T7815] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.360261][ T6809] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 249.366230][ T7811] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.367888][ T7820] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.394644][ T7813] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.398641][ T6809] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 249.442046][ T7820] CPU: 1 UID: 0 PID: 7820 Comm: syz.2.185 Not tainted syzkaller #0 PREEMPT(full)
[ 249.442074][ T7820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.442088][ T7820] Call Trace:
[ 249.442093][ T7820]
[ 249.442105][ T7820] dump_stack_lvl+0xab/0xe0
[ 249.442138][ T7820] sysfs_warn_dup+0x64/0x70
[ 249.442173][ T7820] sysfs_create_dir_ns+0x127/0x140
[ 249.442209][ T7820] kobject_add_internal+0x104/0x370
[ 249.442243][ T7820] kobject_init_and_add+0xab/0xf0
[ 249.442278][ T7820] ? alloc_workqueue_noprof+0x836/0xbe0
[ 249.442309][ T7820] gfs2_sys_fs_add+0xf6/0x230
[ 249.442331][ T7820] gfs2_fill_super+0x7ed/0x1430
[ 249.442358][ T7820] ? sb_set_blocksize+0xc4/0xf0
[ 249.442392][ T7820] ? setup_bdev_super+0x19d/0x330
[ 249.442425][ T7820] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.442450][ T7820] get_tree_bdev_flags+0x1c2/0x290
[ 249.442473][ T7820] gfs2_get_tree+0x26/0xd0
[ 249.442496][ T7820] vfs_get_tree+0x31/0x130
[ 249.442527][ T7820] path_mount+0x5b2/0x12e0
[ 249.442551][ T7820] ? putname+0xc5/0xe0
[ 249.442578][ T7820] __x64_sys_mount+0x1a2/0x1e0
[ 249.442603][ T7820] do_syscall_64+0xa4/0xfa0
[ 249.442631][ T7820] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.442654][ T7820] RIP: 0033:0x7f45bc190e6a
[ 249.442669][ T7820] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.442690][ T7820] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.442709][ T7820] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 249.442721][ T7820] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 249.442733][ T7820] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 249.442745][ T7820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 249.442758][ T7820] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 249.442775][ T7820]
[ 249.442785][ T7820] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.486658][ T7813] CPU: 0 UID: 0 PID: 7813 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full)
[ 249.486688][ T7813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.486701][ T7813] Call Trace:
[ 249.486707][ T7813]
[ 249.486713][ T7813] dump_stack_lvl+0xab/0xe0
[ 249.486747][ T7813] sysfs_warn_dup+0x64/0x70
[ 249.486783][ T7813] sysfs_create_dir_ns+0x127/0x140
[ 249.486818][ T7813] kobject_add_internal+0x104/0x370
[ 249.486854][ T7813] kobject_init_and_add+0xab/0xf0
[ 249.486890][ T7813] ? alloc_workqueue_noprof+0x836/0xbe0
[ 249.486921][ T7813] gfs2_sys_fs_add+0xf6/0x230
[ 249.486944][ T7813] gfs2_fill_super+0x7ed/0x1430
[ 249.486971][ T7813] ? sb_set_blocksize+0xc4/0xf0
[ 249.487005][ T7813] ? setup_bdev_super+0x19d/0x330
[ 249.487039][ T7813] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.487066][ T7813] get_tree_bdev_flags+0x1c2/0x290
[ 249.487089][ T7813] gfs2_get_tree+0x26/0xd0
[ 249.487112][ T7813] vfs_get_tree+0x31/0x130
[ 249.487145][ T7813] path_mount+0x5b2/0x12e0
[ 249.487170][ T7813] ? putname+0xc5/0xe0
[ 249.487197][ T7813] __x64_sys_mount+0x1a2/0x1e0
[ 249.487233][ T7813] do_syscall_64+0xa4/0xfa0
[ 249.487261][ T7813] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.487284][ T7813] RIP: 0033:0x7f079e790e6a
[ 249.487299][ T7813] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.487321][ T7813] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.487341][ T7813] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 249.487355][ T7813] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 249.487369][ T7813] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 249.487383][ T7813] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 249.487396][ T7813] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 249.487413][ T7813]
[ 249.487459][ T7813] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.666706][ T7820] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.698347][ T6809] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 299ms
[ 249.704466][ T7813] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.738676][ T6809] gfs2: fsid=syz:syz.0: jid=0: Done
[ 250.355815][ T7840] loop5: detected capacity change from 0 to 32768
[ 250.465103][ T7844] loop0: detected capacity change from 0 to 32768
[ 250.601221][ T7848] loop4: detected capacity change from 0 to 32768
[ 250.653601][ T7840] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.661286][ T7840] CPU: 0 UID: 0 PID: 7840 Comm: syz.5.190 Not tainted syzkaller #0 PREEMPT(full)
[ 250.661314][ T7840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.661328][ T7840] Call Trace:
[ 250.661334][ T7840]
[ 250.661340][ T7840] dump_stack_lvl+0xab/0xe0
[ 250.661374][ T7840] sysfs_warn_dup+0x64/0x70
[ 250.661409][ T7840] sysfs_create_dir_ns+0x127/0x140
[ 250.661450][ T7840] kobject_add_internal+0x104/0x370
[ 250.661484][ T7840] kobject_init_and_add+0xab/0xf0
[ 250.661518][ T7840] ? alloc_workqueue_noprof+0x836/0xbe0
[ 250.661549][ T7840] gfs2_sys_fs_add+0xf6/0x230
[ 250.661572][ T7840] gfs2_fill_super+0x7ed/0x1430
[ 250.661598][ T7840] ? sb_set_blocksize+0xc4/0xf0
[ 250.661632][ T7840] ? setup_bdev_super+0x19d/0x330
[ 250.661666][ T7840] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.661691][ T7840] get_tree_bdev_flags+0x1c2/0x290
[ 250.661714][ T7840] gfs2_get_tree+0x26/0xd0
[ 250.661737][ T7840] vfs_get_tree+0x31/0x130
[ 250.661768][ T7840] path_mount+0x5b2/0x12e0
[ 250.661793][ T7840] ? putname+0xc5/0xe0
[ 250.661819][ T7840] __x64_sys_mount+0x1a2/0x1e0
[ 250.661844][ T7840] do_syscall_64+0xa4/0xfa0
[ 250.661872][ T7840] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.661894][ T7840] RIP: 0033:0x7fb323790e6a
[ 250.661909][ T7840] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.661930][ T7840] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.661956][ T7840] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 250.661970][ T7840] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 250.661984][ T7840] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 250.661997][ T7840] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 250.662010][ T7840] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 250.662027][ T7840]
[ 250.662036][ T7840] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.827556][ T7844] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.834457][ T7821] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 250.843154][ T7848] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.903644][ T7840] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.917337][ T7848] CPU: 0 UID: 0 PID: 7848 Comm: syz.4.192 Not tainted syzkaller #0 PREEMPT(full)
[ 250.917364][ T7848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.917376][ T7848] Call Trace:
[ 250.917381][ T7848]
[ 250.917387][ T7848] dump_stack_lvl+0xab/0xe0
[ 250.917416][ T7848] sysfs_warn_dup+0x64/0x70
[ 250.917448][ T7848] sysfs_create_dir_ns+0x127/0x140
[ 250.917479][ T7848] kobject_add_internal+0x104/0x370
[ 250.917513][ T7848] kobject_init_and_add+0xab/0xf0
[ 250.917548][ T7848] ? alloc_workqueue_noprof+0x836/0xbe0
[ 250.917580][ T7848] gfs2_sys_fs_add+0xf6/0x230
[ 250.917603][ T7848] gfs2_fill_super+0x7ed/0x1430
[ 250.917630][ T7848] ? sb_set_blocksize+0xc4/0xf0
[ 250.917665][ T7848] ? setup_bdev_super+0x19d/0x330
[ 250.917699][ T7848] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.917725][ T7848] get_tree_bdev_flags+0x1c2/0x290
[ 250.917749][ T7848] gfs2_get_tree+0x26/0xd0
[ 250.917772][ T7848] vfs_get_tree+0x31/0x130
[ 250.917803][ T7848] path_mount+0x5b2/0x12e0
[ 250.917828][ T7848] ? putname+0xc5/0xe0
[ 250.917854][ T7848] __x64_sys_mount+0x1a2/0x1e0
[ 250.917879][ T7848] do_syscall_64+0xa4/0xfa0
[ 250.917908][ T7848] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.918088][ T7848] RIP: 0033:0x7fe0b7390e6a
[ 250.918106][ T7848] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.918132][ T7848] RSP: 002b:00007fe0b81eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.918151][ T7848] RAX: ffffffffffffffda RBX: 00007fe0b81eeef0 RCX: 00007fe0b7390e6a
[ 250.918164][ T7848] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe0b81eeeb0
[ 250.918181][ T7848] RBP: 0000200000037f40 R08: 00007fe0b81eeef0 R09: 0000000000000000
[ 250.918196][ T7848] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 250.918210][ T7848] R13: 00007fe0b81eeeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 250.918227][ T7848]
[ 250.918242][ T7848] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.947736][ T7845] loop3: detected capacity change from 0 to 32768
[ 250.950333][ T7844] CPU: 0 UID: 0 PID: 7844 Comm: syz.0.193 Not tainted syzkaller #0 PREEMPT(full)
[ 250.950359][ T7844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.950371][ T7844] Call Trace:
[ 250.950377][ T7844]
[ 250.950383][ T7844] dump_stack_lvl+0xab/0xe0
[ 250.950416][ T7844] sysfs_warn_dup+0x64/0x70
[ 250.950451][ T7844] sysfs_create_dir_ns+0x127/0x140
[ 250.950486][ T7844] kobject_add_internal+0x104/0x370
[ 250.950521][ T7844] kobject_init_and_add+0xab/0xf0
[ 250.950556][ T7844] ? alloc_workqueue_noprof+0x836/0xbe0
[ 250.950587][ T7844] gfs2_sys_fs_add+0xf6/0x230
[ 250.950608][ T7844] gfs2_fill_super+0x7ed/0x1430
[ 250.950635][ T7844] ? sb_set_blocksize+0xc4/0xf0
[ 250.950669][ T7844] ? setup_bdev_super+0x19d/0x330
[ 250.950702][ T7844] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.950728][ T7844] get_tree_bdev_flags+0x1c2/0x290
[ 250.950749][ T7844] gfs2_get_tree+0x26/0xd0
[ 250.950777][ T7844] vfs_get_tree+0x31/0x130
[ 250.950808][ T7844] path_mount+0x5b2/0x12e0
[ 250.950833][ T7844] ? putname+0xc5/0xe0
[ 250.950859][ T7844] __x64_sys_mount+0x1a2/0x1e0
[ 250.950884][ T7844] do_syscall_64+0xa4/0xfa0
[ 250.950920][ T7844] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.950943][ T7844] RIP: 0033:0x7fddb9790e6a
[ 250.950958][ T7844] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.950979][ T7844] RSP: 002b:00007fddba5f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.950998][ T7844] RAX: ffffffffffffffda RBX: 00007fddba5f6ef0 RCX: 00007fddb9790e6a
[ 250.951013][ T7844] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fddba5f6eb0
[ 250.951027][ T7844] RBP: 0000200000037f40 R08: 00007fddba5f6ef0 R09: 0000000000000000
[ 250.951040][ T7844] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 250.951053][ T7844] R13: 00007fddba5f6eb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 250.951070][ T7844]
[ 250.951080][ T7844] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.081717][ T7850] loop1: detected capacity change from 0 to 32768
[ 251.101278][ T7847] loop2: detected capacity change from 0 to 32768
[ 251.110148][ T7844] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.116127][ T7848] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.119826][ T7845] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.190674][ T7850] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.191647][ T7845] CPU: 1 UID: 0 PID: 7845 Comm: syz.3.191 Not tainted syzkaller #0 PREEMPT(full)
[ 251.191673][ T7845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 251.191685][ T7845] Call Trace:
[ 251.191691][ T7845]
[ 251.191698][ T7845] dump_stack_lvl+0xab/0xe0
[ 251.191730][ T7845] sysfs_warn_dup+0x64/0x70
[ 251.191764][ T7845] sysfs_create_dir_ns+0x127/0x140
[ 251.191799][ T7845] kobject_add_internal+0x104/0x370
[ 251.191838][ T7845] kobject_init_and_add+0xab/0xf0
[ 251.191873][ T7845] ? alloc_workqueue_noprof+0x836/0xbe0
[ 251.191910][ T7845] gfs2_sys_fs_add+0xf6/0x230
[ 251.191931][ T7845] gfs2_fill_super+0x7ed/0x1430
[ 251.191958][ T7845] ? sb_set_blocksize+0xc4/0xf0
[ 251.191992][ T7845] ? setup_bdev_super+0x19d/0x330
[ 251.192025][ T7845] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.192049][ T7845] get_tree_bdev_flags+0x1c2/0x290
[ 251.192076][ T7845] gfs2_get_tree+0x26/0xd0
[ 251.192098][ T7845] vfs_get_tree+0x31/0x130
[ 251.192129][ T7845] path_mount+0x5b2/0x12e0
[ 251.192153][ T7845] ? putname+0xc5/0xe0
[ 251.192179][ T7845] __x64_sys_mount+0x1a2/0x1e0
[ 251.192205][ T7845] do_syscall_64+0xa4/0xfa0
[ 251.192232][ T7845] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.192255][ T7845] RIP: 0033:0x7f7f26990e6a
[ 251.192271][ T7845] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.192292][ T7845] RSP: 002b:00007f7f277cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.192311][ T7845] RAX: ffffffffffffffda RBX: 00007f7f277caef0 RCX: 00007f7f26990e6a
[ 251.192324][ T7845] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f7f277caeb0
[ 251.192339][ T7845] RBP: 0000200000037f40 R08: 00007f7f277caef0 R09: 0000000000000000
[ 251.192352][ T7845] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 251.192365][ T7845] R13: 00007f7f277caeb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 251.192382][ T7845]
[ 251.192392][ T7845] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.225355][ T7850] CPU: 0 UID: 0 PID: 7850 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full)
[ 251.225383][ T7850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 251.225396][ T7850] Call Trace:
[ 251.225402][ T7850]
[ 251.225408][ T7850] dump_stack_lvl+0xab/0xe0
[ 251.225442][ T7850] sysfs_warn_dup+0x64/0x70
[ 251.225477][ T7850] sysfs_create_dir_ns+0x127/0x140
[ 251.225513][ T7850] kobject_add_internal+0x104/0x370
[ 251.225547][ T7850] kobject_init_and_add+0xab/0xf0
[ 251.225583][ T7850] ? alloc_workqueue_noprof+0x836/0xbe0
[ 251.225616][ T7850] gfs2_sys_fs_add+0xf6/0x230
[ 251.225637][ T7850] gfs2_fill_super+0x7ed/0x1430
[ 251.225664][ T7850] ? sb_set_blocksize+0xc4/0xf0
[ 251.225699][ T7850] ? setup_bdev_super+0x19d/0x330
[ 251.225737][ T7850] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.225763][ T7850] get_tree_bdev_flags+0x1c2/0x290
[ 251.225793][ T7850] gfs2_get_tree+0x26/0xd0
[ 251.225820][ T7850] vfs_get_tree+0x31/0x130
[ 251.225852][ T7850] path_mount+0x5b2/0x12e0
[ 251.225877][ T7850] ? putname+0xc5/0xe0
[ 251.225903][ T7850] __x64_sys_mount+0x1a2/0x1e0
[ 251.225929][ T7850] do_syscall_64+0xa4/0xfa0
[ 251.225964][ T7850] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.225987][ T7850] RIP: 0033:0x7f079e790e6a
[ 251.226003][ T7850] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.226024][ T7850] RSP: 002b:00007f079f5bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.226044][ T7850] RAX: ffffffffffffffda RBX: 00007f079f5bcef0 RCX: 00007f079e790e6a
[ 251.226058][ T7850] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f079f5bceb0
[ 251.226072][ T7850] RBP: 0000200000037f40 R08: 00007f079f5bcef0 R09: 0000000000000000
[ 251.226086][ T7850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 251.226099][ T7850] R13: 00007f079f5bceb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 251.226116][ T7850]
[ 251.226130][ T7850] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.257420][ T7847] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.259887][ T7850] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.263831][ T7847] CPU: 1 UID: 0 PID: 7847 Comm: syz.2.194 Not tainted syzkaller #0 PREEMPT(full)
[ 251.263855][ T7847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 251.263868][ T7847] Call Trace:
[ 251.263876][ T7847]
[ 251.263883][ T7847] dump_stack_lvl+0xab/0xe0
[ 251.263918][ T7847] sysfs_warn_dup+0x64/0x70
[ 251.263953][ T7847] sysfs_create_dir_ns+0x127/0x140
[ 251.263987][ T7847] kobject_add_internal+0x104/0x370
[ 251.264023][ T7847] kobject_init_and_add+0xab/0xf0
[ 251.264059][ T7847] ? alloc_workqueue_noprof+0x836/0xbe0
[ 251.264096][ T7847] gfs2_sys_fs_add+0xf6/0x230
[ 251.264118][ T7847] gfs2_fill_super+0x7ed/0x1430
[ 251.264145][ T7847] ? sb_set_blocksize+0xc4/0xf0
[ 251.264181][ T7847] ? setup_bdev_super+0x19d/0x330
[ 251.264220][ T7847] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.264246][ T7847] get_tree_bdev_flags+0x1c2/0x290
[ 251.264269][ T7847] gfs2_get_tree+0x26/0xd0
[ 251.264292][ T7847] vfs_get_tree+0x31/0x130
[ 251.264324][ T7847] path_mount+0x5b2/0x12e0
[ 251.264349][ T7847] ? putname+0xc5/0xe0
[ 251.264376][ T7847] __x64_sys_mount+0x1a2/0x1e0
[ 251.264402][ T7847] do_syscall_64+0xa4/0xfa0
[ 251.264431][ T7847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.264453][ T7847] RIP: 0033:0x7f45bc190e6a
[ 251.264471][ T7847] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.264492][ T7847] RSP: 002b:00007f45bcf7de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.264511][ T7847] RAX: ffffffffffffffda RBX: 00007f45bcf7def0 RCX: 00007f45bc190e6a
[ 251.264526][ T7847] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f45bcf7deb0
[ 251.264540][ T7847] RBP: 0000200000037f40 R08: 00007f45bcf7def0 R09: 0000000000000000
[ 251.264553][ T7847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 251.264566][ T7847] R13: 00007f45bcf7deb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 251.264583][ T7847]
[ 251.264599][ T7847] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.269881][ T7845] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.289051][ T7847] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.430254][ T5912] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9387 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 251.965403][ T7866] loop5: detected capacity change from 0 to 32768
[ 251.969510][ T10] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9390 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 251.994081][ T7866] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.998200][ T6809] gfs2: fsid=syz:syz.0: fatal: invalid metadata block - bh = 9386 (bad magic number), function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 496
[ 251.998228][ T6809] CPU: 0 UID: 0 PID: 6809 Comm: kworker/0:10 Not tainted syzkaller #0 PREEMPT(full)
[ 251.998250][ T6809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 251.998262][ T6809] Workqueue: gfs2-delete/syz:syz delete_work_func
[ 251.998285][ T6809] Call Trace:
[ 251.998290][ T6809]
[ 251.998297][ T6809] dump_stack_lvl+0xab/0xe0
[ 251.998325][ T6809] gfs2_withdraw+0x7c/0xf0
[ 251.998344][ T6809] gfs2_meta_buffer+0x1ae/0x1c0
[ 251.998375][ T6809] inode_go_instantiate+0x63/0x540
[ 251.998400][ T6809] gfs2_instantiate+0xa7/0x130
[ 251.998432][ T6809] gfs2_inode_lookup+0x490/0x510
[ 251.998462][ T6809] ? gfs2_lookup_by_inum+0x2f/0xb0
[ 251.998489][ T6809] gfs2_lookup_by_inum+0x2f/0xb0
[ 251.998516][ T6809] delete_work_func+0x9e/0x2f0
[ 251.998537][ T6809] ? srcu_invoke_callbacks+0x16e/0x1c0
[ 251.998574][ T6809] ? pwq_dec_nr_in_flight+0x78/0x560
[ 251.998595][ T6809] process_one_work+0x26b/0x620
[ 251.998614][ T6809] worker_thread+0x2c4/0x4f0
[ 251.998634][ T6809] ? __pfx_worker_thread+0x10/0x10
[ 251.998653][ T6809] kthread+0x15b/0x310
[ 251.998679][ T6809] ? finish_task_switch.isra.0+0x86/0x280
[ 251.998700][ T6809] ? __pfx_kthread+0x10/0x10
[ 251.998725][ T6809] ? __pfx_kthread+0x10/0x10
[ 251.998758][ T6809] ret_from_fork+0x210/0x240
[ 251.998782][ T6809] ? __pfx_kthread+0x10/0x10
[ 251.998808][ T6809] ret_from_fork_asm+0x1a/0x30
[ 251.998841][ T6809]
[ 251.998847][ T6809] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 252.008589][ T7866] CPU: 1 UID: 0 PID: 7866 Comm: syz.5.196 Not tainted syzkaller #0 PREEMPT(full)
[ 252.008616][ T7866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 252.008629][ T7866] Call Trace:
[ 252.008635][ T7866]
[ 252.008642][ T7866] dump_stack_lvl+0xab/0xe0
[ 252.008675][ T7866] sysfs_warn_dup+0x64/0x70
[ 252.008710][ T7866] sysfs_create_dir_ns+0x127/0x140
[ 252.008746][ T7866] kobject_add_internal+0x104/0x370
[ 252.008782][ T7866] kobject_init_and_add+0xab/0xf0
[ 252.008818][ T7866] ? alloc_workqueue_noprof+0x836/0xbe0
[ 252.008850][ T7866] gfs2_sys_fs_add+0xf6/0x230
[ 252.008872][ T7866] gfs2_fill_super+0x7ed/0x1430
[ 252.008898][ T7866] ? sb_set_blocksize+0xc4/0xf0
[ 252.008934][ T7866] ? setup_bdev_super+0x19d/0x330
[ 252.008970][ T7866] ? __pfx_gfs2_fill_super+0x10/0x10
[ 252.008995][ T7866] get_tree_bdev_flags+0x1c2/0x290
[ 252.009018][ T7866] gfs2_get_tree+0x26/0xd0
[ 252.009041][ T7866] vfs_get_tree+0x31/0x130
[ 252.009072][ T7866] path_mount+0x5b2/0x12e0
[ 252.009104][ T7866] ? putname+0xc5/0xe0
[ 252.009131][ T7866] __x64_sys_mount+0x1a2/0x1e0
[ 252.009156][ T7866] do_syscall_64+0xa4/0xfa0
[ 252.009186][ T7866] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.009208][ T7866] RIP: 0033:0x7fb323790e6a
[ 252.009224][ T7866] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 252.009245][ T7866] RSP: 002b:00007fb32461fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.009264][ T7866] RAX: ffffffffffffffda RBX: 00007fb32461fef0 RCX: 00007fb323790e6a
[ 252.009279][ T7866] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fb32461feb0
[ 252.009293][ T7866] RBP: 0000200000037f40 R08: 00007fb32461fef0 R09: 0000000000000000
[ 252.009307][ T7866] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[ 252.009320][ T7866] R13: 00007fb32461feb0 R14: 0000000000037fb8 R15: 0000200000000040
[ 252.009337][ T7866]
[ 252.009348][ T7866] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.016502][ T7389] gfs2: fsid=syz:syz.0: G: s:EX n:3/2090 f:lyfaqo t:EX d:EX/0 a:3 v:0 r:3 m:20 p:0
[ 252.027520][ T7866] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.031523][ T7389] gfs2: fsid=syz:syz.0: H: s:EX f:nW e:0 p:7821 [syz.6.189] gfs2_iomap_begin+0x3e6/0x8a0
[ 252.521512][ T7389] gfs2: fsid=syz:syz.0: R: n:8336 f:80000000 b:70/70 i:7 q:0 r:0 e:7055
[ 252.530629][ T7389] ------------[ cut here ]------------
[ 252.536079][ T7389] kernel BUG at fs/gfs2/glock.c:674!
[ 252.541487][ T7389] Oops: invalid opcode: 0000 [#1] SMP PTI
[ 252.547202][ T7389] CPU: 0 UID: 0 PID: 7389 Comm: kworker/0:2H Not tainted syzkaller #0 PREEMPT(full)
[ 252.556819][ T7389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 252.566957][ T7389] Workqueue: gfs2-glock/syz:syz glock_work_func
[ 252.573565][ T7389] RIP: 0010:do_xmote+0x33d/0x360
[ 252.578952][ T7389] Code: 03 00 e9 cf fd ff ff e8 c1 85 09 ff 83 43 24 01 e9 53 ff ff ff e8 b3 85 09 ff ba 01 00 00 00 48 89 de 31 ff e8 f4 c9 ff ff 90 <0f> 0b e8 9c 85 09 ff ba 01 00 00 00 48 89 de 31 ff e8 dd c9 ff ff
[ 252.599342][ T7389] RSP: 0018:ffffc9000a073d88 EFLAGS: 00010286
[ 252.605665][ T7389] RAX: 0000000000000000 RBX: ffff88812e8a7728 RCX: ffffffff825ac696
[ 252.613795][ T7389] RDX: ffff888102c61180 RSI: ffffffff8257e401 RDI: ffff88812d388afc
[ 252.621768][ T7389] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
[ 252.629721][ T7389] R10: 0000000000000000 R11: 205d393833375420 R12: ffff8881087d0000
[ 252.637928][ T7389] R13: 0000000000000001 R14: ffffffff857d0580 R15: 0000000000000001
[ 252.645878][ T7389] FS: 0000000000000000(0000) GS:ffff8881b25c4000(0000) knlGS:0000000000000000
[ 252.655077][ T7389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 252.661714][ T7389] CR2: 0000200000c1b000 CR3: 0000000119f7c000 CR4: 00000000003526f0
[ 252.670100][ T7389] Call Trace:
[ 252.673520][ T7389]
[ 252.676460][ T7389] run_queue+0x21a/0x310
[ 252.680806][ T7389] glock_work_func+0xac/0x280
[ 252.685636][ T7389] ? pwq_dec_nr_in_flight+0x78/0x560
[ 252.691075][ T7389] process_one_work+0x26b/0x620
[ 252.695941][ T7389] worker_thread+0x2c4/0x4f0
[ 252.700509][ T7389] ? __pfx_worker_thread+0x10/0x10
[ 252.705601][ T7389] kthread+0x15b/0x310
[ 252.709655][ T7389] ? finish_task_switch.isra.0+0x86/0x280
[ 252.715460][ T7389] ? __pfx_kthread+0x10/0x10
[ 252.720131][ T7389] ? __pfx_kthread+0x10/0x10
[ 252.724896][ T7389] ret_from_fork+0x210/0x240
[ 252.729476][ T7389] ? __pfx_kthread+0x10/0x10
[ 252.734252][ T7389] ret_from_fork_asm+0x1a/0x30
[ 252.739279][ T7389]
[ 252.742286][ T7389] Modules linked in:
[ 252.746616][ T7389] ---[ end trace 0000000000000000 ]---
[ 252.752405][ T7389] RIP: 0010:do_xmote+0x33d/0x360
[ 252.757597][ T7389] Code: 03 00 e9 cf fd ff ff e8 c1 85 09 ff 83 43 24 01 e9 53 ff ff ff e8 b3 85 09 ff ba 01 00 00 00 48 89 de 31 ff e8 f4 c9 ff ff 90 <0f> 0b e8 9c 85 09 ff ba 01 00 00 00 48 89 de 31 ff e8 dd c9 ff ff
[ 252.777767][ T7389] RSP: 0018:ffffc9000a073d88 EFLAGS: 00010286
[ 252.783999][ T7389] RAX: 0000000000000000 RBX: ffff88812e8a7728 RCX: ffffffff825ac696
[ 252.792437][ T7389] RDX: ffff888102c61180 RSI: ffffffff8257e401 RDI: ffff88812d388afc
[ 252.800880][ T7389] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
[ 252.809191][ T7389] R10: 0000000000000000 R11: 205d393833375420 R12: ffff8881087d0000
[ 252.817619][ T7389] R13: 0000000000000001 R14: ffffffff857d0580 R15: 0000000000000001
[ 252.825897][ T7389] FS: 0000000000000000(0000) GS:ffff8881b25c4000(0000) knlGS:0000000000000000
[ 252.835612][ T7389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 252.842317][ T7389] CR2: 0000200000c1b000 CR3: 0000000119f7c000 CR4: 00000000003526f0
[ 252.850612][ T7389] Kernel panic - not syncing: Fatal exception
[ 252.857231][ T7389] Kernel Offset: disabled
[ 252.861737][ T7389] Rebooting in 86400 seconds..