0000200000000100
[ 141.811499][ T4458] R13: 00007f570546ceb0 R14: 0000000000012752 R15: 0000200000000940
[ 141.811524][ T4458]
[ 141.843387][ T4458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 141.870373][ T4464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 141.879898][ T4464] CPU: 0 PID: 4464 Comm: syz.4.31 Not tainted 5.15.189-syzkaller #0
[ 141.888161][ T4464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 141.898222][ T4464] Call Trace:
[ 141.901555][ T4464]
[ 141.904498][ T4464] dump_stack_lvl+0x168/0x230
[ 141.909280][ T4464] ? show_regs_print_info+0x20/0x20
[ 141.914583][ T4464] ? load_image+0x3b0/0x3b0
[ 141.919111][ T4464] sysfs_create_dir_ns+0x252/0x280
[ 141.924237][ T4464] ? __lock_acquire+0x7c60/0x7c60
[ 141.929269][ T4464] ? sysfs_warn_dup+0xa0/0xa0
[ 141.933957][ T4464] ? do_raw_spin_unlock+0x11d/0x230
[ 141.939165][ T4464] kobject_add_internal+0x662/0xd00
[ 141.944374][ T4464] kobject_init_and_add+0x122/0x190
[ 141.949585][ T4464] ? lockdep_softirqs_off+0x420/0x420
[ 141.954978][ T4464] ? kobject_add+0x210/0x210
[ 141.959580][ T4464] ? __init_swait_queue_head+0xa5/0x150
[ 141.965139][ T4464] gfs2_sys_fs_add+0x234/0x480
[ 141.969912][ T4464] ? gfs2_recover_set+0x240/0x240
[ 141.974942][ T4464] ? snprintf+0xd7/0x120
[ 141.979190][ T4464] ? __free_pages+0x95/0x1a0
[ 141.983787][ T4464] ? vscnprintf+0x80/0x80
[ 141.988130][ T4464] gfs2_fill_super+0x128d/0x1f50
[ 141.993090][ T4464] ? gfs2_reconfigure+0xcd0/0xcd0
[ 141.998123][ T4464] ? preempt_count_add+0x8d/0x190
[ 142.003174][ T4464] ? sb_set_blocksize+0xa5/0xe0
[ 142.008039][ T4464] get_tree_bdev+0x3f1/0x610
[ 142.012726][ T4464] ? gfs2_reconfigure+0xcd0/0xcd0
2025/08/04 13:08:47 executed programs: 29
[ 142.017766][ T4464] gfs2_get_tree+0x4d/0x1e0
[ 142.022280][ T4464] vfs_get_tree+0x88/0x270
[ 142.026707][ T4464] do_new_mount+0x24a/0xa40
[ 142.031230][ T4464] __se_sys_mount+0x2d6/0x3c0
[ 142.035967][ T4464] ? __x64_sys_mount+0xc0/0xc0
[ 142.038643][ T4458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 142.040738][ T4464] ? lockdep_hardirqs_on+0x94/0x140
[ 142.040759][ T4464] ? __x64_sys_mount+0x1c/0xc0
[ 142.040777][ T4464] do_syscall_64+0x4c/0xa0
[ 142.040793][ T4464] ? clear_bhb_loop+0x30/0x80
[ 142.040808][ T4464] ? clear_bhb_loop+0x30/0x80
[ 142.040823][ T4464] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 142.040841][ T4464] RIP: 0033:0x7fb129ef030a
[ 142.040858][ T4464] 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
[ 142.040870][ T4464] RSP: 002b:00007fb12915de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 142.040888][ T4464] RAX: ffffffffffffffda RBX: 00007fb12915def0 RCX: 00007fb129ef030a
[ 142.040899][ T4464] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fb12915deb0
[ 142.040909][ T4464] RBP: 0000200000000000 R08: 00007fb12915def0 R09: 0000000000208c1b
[ 142.040918][ T4464] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 142.040928][ T4464] R13: 00007fb12915deb0 R14: 0000000000012752 R15: 0000200000000940
[ 142.040950][ T4464]
[ 142.173260][ T4466] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 142.190459][ T4466] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 142.255357][ T4466] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 142.285327][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 142.293744][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 142.436383][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 142ms
[ 142.460037][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done
[ 142.485604][ T4466] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 142.523740][ T4464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 142.561332][ T4464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 142.655213][ T4470] loop1: detected capacity change from 0 to 32768
[ 142.715581][ T4470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 142.734332][ T4470] CPU: 1 PID: 4470 Comm: syz.1.37 Not tainted 5.15.189-syzkaller #0
[ 142.742565][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 142.752626][ T4470] Call Trace:
[ 142.755909][ T4470]
[ 142.759195][ T4470] dump_stack_lvl+0x168/0x230
[ 142.763882][ T4470] ? show_regs_print_info+0x20/0x20
[ 142.769088][ T4470] ? load_image+0x3b0/0x3b0
[ 142.773610][ T4470] sysfs_create_dir_ns+0x252/0x280
[ 142.778729][ T4470] ? __lock_acquire+0x7c60/0x7c60
[ 142.783764][ T4470] ? sysfs_warn_dup+0xa0/0xa0
[ 142.788494][ T4470] ? do_raw_spin_unlock+0x11d/0x230
[ 142.793710][ T4470] kobject_add_internal+0x662/0xd00
[ 142.798945][ T4470] kobject_init_and_add+0x122/0x190
[ 142.804158][ T4470] ? lockdep_softirqs_off+0x420/0x420
[ 142.809559][ T4470] ? kobject_add+0x210/0x210
[ 142.814171][ T4470] ? __init_swait_queue_head+0xa5/0x150
[ 142.819924][ T4470] gfs2_sys_fs_add+0x234/0x480
[ 142.824834][ T4470] ? gfs2_recover_set+0x240/0x240
[ 142.829881][ T4470] ? snprintf+0xd7/0x120
[ 142.834130][ T4470] ? __free_pages+0x95/0x1a0
[ 142.838726][ T4470] ? vscnprintf+0x80/0x80
[ 142.843080][ T4470] gfs2_fill_super+0x128d/0x1f50
[ 142.848045][ T4470] ? gfs2_reconfigure+0xcd0/0xcd0
[ 142.853083][ T4470] ? preempt_count_add+0x8d/0x190
[ 142.858125][ T4470] ? sb_set_blocksize+0xa5/0xe0
[ 142.862996][ T4470] get_tree_bdev+0x3f1/0x610
[ 142.867602][ T4470] ? gfs2_reconfigure+0xcd0/0xcd0
[ 142.872640][ T4470] gfs2_get_tree+0x4d/0x1e0
[ 142.877156][ T4470] vfs_get_tree+0x88/0x270
[ 142.881592][ T4470] do_new_mount+0x24a/0xa40
[ 142.886176][ T4470] __se_sys_mount+0x2d6/0x3c0
[ 142.890870][ T4470] ? __x64_sys_mount+0xc0/0xc0
[ 142.895743][ T4470] ? lockdep_hardirqs_on+0x94/0x140
[ 142.901148][ T4470] ? __x64_sys_mount+0x1c/0xc0
[ 142.906012][ T4470] do_syscall_64+0x4c/0xa0
[ 142.910437][ T4470] ? clear_bhb_loop+0x30/0x80
[ 142.915122][ T4470] ? clear_bhb_loop+0x30/0x80
[ 142.919810][ T4470] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 142.925710][ T4470] RIP: 0033:0x7fd7bbe3630a
[ 142.930227][ T4470] 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
[ 142.949837][ T4470] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 142.958258][ T4470] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 142.966237][ T4470] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 142.974214][ T4470] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 142.982200][ T4470] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 142.990273][ T4470] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 142.998269][ T4470]
[ 143.140687][ T4470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 143.164551][ T4470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 143.204316][ T4472] loop2: detected capacity change from 0 to 32768
[ 143.239417][ T4472] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 143.265370][ T4472] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 143.359363][ T4472] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 143.390736][ T4311] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 143.398503][ T4311] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 143.513566][ T4311] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 115ms
[ 143.528609][ T4311] gfs2: fsid=syz:syz.0: jid=0: Done
[ 143.534306][ T4472] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 143.854657][ T4474] loop0: detected capacity change from 0 to 32768
[ 143.931367][ T4474] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 143.959988][ T4474] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 143.985007][ T4474] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 144.013310][ T4381] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 144.023217][ T4381] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 144.043043][ T4478] loop4: detected capacity change from 0 to 32768
[ 144.101093][ T4478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 144.129857][ T4478] CPU: 1 PID: 4478 Comm: syz.4.40 Not tainted 5.15.189-syzkaller #0
[ 144.137871][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 144.147935][ T4478] Call Trace:
[ 144.151246][ T4478]
[ 144.154184][ T4478] dump_stack_lvl+0x168/0x230
[ 144.159086][ T4478] ? show_regs_print_info+0x20/0x20
[ 144.164316][ T4478] ? load_image+0x3b0/0x3b0
[ 144.168844][ T4478] sysfs_create_dir_ns+0x252/0x280
[ 144.173996][ T4478] ? __lock_acquire+0x7c60/0x7c60
[ 144.179038][ T4478] ? sysfs_warn_dup+0xa0/0xa0
[ 144.183736][ T4478] ? do_raw_spin_unlock+0x11d/0x230
[ 144.188969][ T4478] kobject_add_internal+0x662/0xd00
[ 144.194185][ T4478] kobject_init_and_add+0x122/0x190
[ 144.199542][ T4478] ? lockdep_softirqs_off+0x420/0x420
[ 144.205024][ T4478] ? kobject_add+0x210/0x210
[ 144.209668][ T4478] ? __init_swait_queue_head+0xa5/0x150
[ 144.215325][ T4478] gfs2_sys_fs_add+0x234/0x480
[ 144.220108][ T4478] ? gfs2_recover_set+0x240/0x240
[ 144.225145][ T4478] ? snprintf+0xd7/0x120
[ 144.229436][ T4478] ? __free_pages+0x95/0x1a0
[ 144.234056][ T4478] ? vscnprintf+0x80/0x80
[ 144.238492][ T4478] gfs2_fill_super+0x128d/0x1f50
[ 144.243462][ T4478] ? gfs2_reconfigure+0xcd0/0xcd0
[ 144.248602][ T4478] ? preempt_count_add+0x8d/0x190
[ 144.253667][ T4478] ? sb_set_blocksize+0xa5/0xe0
[ 144.258533][ T4478] get_tree_bdev+0x3f1/0x610
[ 144.263133][ T4478] ? gfs2_reconfigure+0xcd0/0xcd0
[ 144.268175][ T4478] gfs2_get_tree+0x4d/0x1e0
[ 144.272815][ T4478] vfs_get_tree+0x88/0x270
[ 144.277262][ T4478] do_new_mount+0x24a/0xa40
[ 144.281785][ T4478] __se_sys_mount+0x2d6/0x3c0
[ 144.286474][ T4478] ? __x64_sys_mount+0xc0/0xc0
[ 144.291254][ T4478] ? lockdep_hardirqs_on+0x94/0x140
[ 144.296549][ T4478] ? __x64_sys_mount+0x1c/0xc0
[ 144.301313][ T4478] do_syscall_64+0x4c/0xa0
[ 144.305732][ T4478] ? clear_bhb_loop+0x30/0x80
[ 144.310422][ T4478] ? clear_bhb_loop+0x30/0x80
[ 144.315106][ T4478] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 144.321005][ T4478] RIP: 0033:0x7fb129ef030a
[ 144.325422][ T4478] 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
[ 144.345030][ T4478] RSP: 002b:00007fb12915de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 144.353476][ T4478] RAX: ffffffffffffffda RBX: 00007fb12915def0 RCX: 00007fb129ef030a
[ 144.361489][ T4478] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fb12915deb0
[ 144.369485][ T4478] RBP: 0000200000000000 R08: 00007fb12915def0 R09: 0000000000208c1b
[ 144.377581][ T4478] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 144.385652][ T4478] R13: 00007fb12915deb0 R14: 0000000000012752 R15: 0000200000000940
[ 144.393738][ T4478]
[ 144.404023][ T4476] loop3: detected capacity change from 0 to 32768
[ 144.412937][ T4381] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 389ms
[ 144.426539][ T4381] gfs2: fsid=syz:syz.0: jid=0: Done
[ 144.431870][ T4474] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 144.459448][ T4478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 144.477842][ T4478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 144.541999][ T4476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 144.579918][ T4476] CPU: 0 PID: 4476 Comm: syz.3.38 Not tainted 5.15.189-syzkaller #0
[ 144.587936][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 144.598177][ T4476] Call Trace:
[ 144.601464][ T4476]
[ 144.604465][ T4476] dump_stack_lvl+0x168/0x230
[ 144.609267][ T4476] ? show_regs_print_info+0x20/0x20
[ 144.614566][ T4476] ? load_image+0x3b0/0x3b0
[ 144.619095][ T4476] sysfs_create_dir_ns+0x252/0x280
[ 144.624400][ T4476] ? __lock_acquire+0x7c60/0x7c60
[ 144.629448][ T4476] ? sysfs_warn_dup+0xa0/0xa0
[ 144.634144][ T4476] ? do_raw_spin_unlock+0x11d/0x230
[ 144.639368][ T4476] kobject_add_internal+0x662/0xd00
[ 144.644591][ T4476] kobject_init_and_add+0x122/0x190
[ 144.649822][ T4476] ? lockdep_softirqs_off+0x420/0x420
[ 144.655300][ T4476] ? kobject_add+0x210/0x210
[ 144.659909][ T4476] ? __init_swait_queue_head+0xa5/0x150
[ 144.665473][ T4476] gfs2_sys_fs_add+0x234/0x480
[ 144.670248][ T4476] ? gfs2_recover_set+0x240/0x240
[ 144.675283][ T4476] ? snprintf+0xd7/0x120
[ 144.679537][ T4476] ? __free_pages+0x95/0x1a0
[ 144.684139][ T4476] ? vscnprintf+0x80/0x80
[ 144.688577][ T4476] gfs2_fill_super+0x128d/0x1f50
[ 144.693542][ T4476] ? gfs2_reconfigure+0xcd0/0xcd0
[ 144.698573][ T4476] ? preempt_count_add+0x8d/0x190
[ 144.703628][ T4476] ? sb_set_blocksize+0xa5/0xe0
[ 144.708497][ T4476] get_tree_bdev+0x3f1/0x610
[ 144.713109][ T4476] ? gfs2_reconfigure+0xcd0/0xcd0
[ 144.718145][ T4476] gfs2_get_tree+0x4d/0x1e0
[ 144.722660][ T4476] vfs_get_tree+0x88/0x270
[ 144.727104][ T4476] do_new_mount+0x24a/0xa40
[ 144.731627][ T4476] __se_sys_mount+0x2d6/0x3c0
[ 144.736322][ T4476] ? __x64_sys_mount+0xc0/0xc0
[ 144.741096][ T4476] ? lockdep_hardirqs_on+0x94/0x140
[ 144.746300][ T4476] ? __x64_sys_mount+0x1c/0xc0
[ 144.751077][ T4476] do_syscall_64+0x4c/0xa0
[ 144.755495][ T4476] ? clear_bhb_loop+0x30/0x80
[ 144.760288][ T4476] ? clear_bhb_loop+0x30/0x80
[ 144.764968][ T4476] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 144.770872][ T4476] RIP: 0033:0x7f9f93b3330a
[ 144.775289][ T4476] 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
[ 144.794899][ T4476] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 144.803326][ T4476] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 144.811322][ T4476] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 144.819308][ T4476] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
[ 144.827397][ T4476] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 144.835379][ T4476] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 144.843379][ T4476]
[ 144.849050][ T4482] loop2: detected capacity change from 0 to 32768
[ 144.877393][ T4476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 144.890827][ T4476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 144.898817][ T4482] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 144.968366][ T4482] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 145.017311][ T4482] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 145.075313][ T4311] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 145.093543][ T4311] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 145.130161][ T4480] loop1: detected capacity change from 0 to 32768
[ 145.197530][ T4480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 145.212778][ T4311] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 119ms
[ 145.216999][ T4480] CPU: 1 PID: 4480 Comm: syz.1.41 Not tainted 5.15.189-syzkaller #0
[ 145.228271][ T4480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 145.238343][ T4480] Call Trace:
[ 145.241636][ T4480]
[ 145.244688][ T4480] dump_stack_lvl+0x168/0x230
[ 145.249472][ T4480] ? show_regs_print_info+0x20/0x20
[ 145.250025][ T4311] gfs2: fsid=syz:syz.0: jid=0: Done
[ 145.254856][ T4480] ? load_image+0x3b0/0x3b0
[ 145.254886][ T4480] sysfs_create_dir_ns+0x252/0x280
[ 145.254907][ T4480] ? __lock_acquire+0x7c60/0x7c60
[ 145.269913][ T4482] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 145.274903][ T4480] ? sysfs_warn_dup+0xa0/0xa0
[ 145.274933][ T4480] ? do_raw_spin_unlock+0x11d/0x230
[ 145.274953][ T4480] kobject_add_internal+0x662/0xd00
[ 145.297163][ T4480] kobject_init_and_add+0x122/0x190
[ 145.302380][ T4480] ? lockdep_softirqs_off+0x420/0x420
[ 145.307771][ T4480] ? kobject_add+0x210/0x210
[ 145.312394][ T4480] ? __init_swait_queue_head+0xa5/0x150
[ 145.318225][ T4480] gfs2_sys_fs_add+0x234/0x480
[ 145.322998][ T4480] ? gfs2_recover_set+0x240/0x240
[ 145.328025][ T4480] ? snprintf+0xd7/0x120
[ 145.332289][ T4480] ? __free_pages+0x95/0x1a0
[ 145.336991][ T4480] ? vscnprintf+0x80/0x80
[ 145.341439][ T4480] gfs2_fill_super+0x128d/0x1f50
[ 145.346428][ T4480] ? gfs2_reconfigure+0xcd0/0xcd0
[ 145.351464][ T4480] ? preempt_count_add+0x8d/0x190
[ 145.356510][ T4480] ? sb_set_blocksize+0xa5/0xe0
[ 145.361398][ T4480] get_tree_bdev+0x3f1/0x610
[ 145.366002][ T4480] ? gfs2_reconfigure+0xcd0/0xcd0
[ 145.371041][ T4480] gfs2_get_tree+0x4d/0x1e0
[ 145.375644][ T4480] vfs_get_tree+0x88/0x270
[ 145.380079][ T4480] do_new_mount+0x24a/0xa40
[ 145.384784][ T4480] __se_sys_mount+0x2d6/0x3c0
[ 145.389477][ T4480] ? __x64_sys_mount+0xc0/0xc0
[ 145.394255][ T4480] ? lockdep_hardirqs_on+0x94/0x140
[ 145.399471][ T4480] ? __x64_sys_mount+0x1c/0xc0
[ 145.404246][ T4480] do_syscall_64+0x4c/0xa0
[ 145.408675][ T4480] ? clear_bhb_loop+0x30/0x80
[ 145.413359][ T4480] ? clear_bhb_loop+0x30/0x80
[ 145.418046][ T4480] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 145.424038][ T4480] RIP: 0033:0x7fd7bbe3630a
[ 145.428480][ T4480] 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
[ 145.448182][ T4480] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 145.456612][ T4480] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 145.464606][ T4480] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 145.472592][ T4480] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 145.480575][ T4480] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 145.488560][ T4480] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 145.496739][ T4480]
[ 145.647392][ T4480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 145.660984][ T4480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 145.813265][ T4489] loop0: detected capacity change from 0 to 32768
[ 145.839627][ T4489] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 145.904073][ T4489] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 145.914715][ T4484] loop4: detected capacity change from 0 to 32768
[ 145.945305][ T4489] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 145.995927][ T4484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 146.027412][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 146.044533][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 146.052114][ T4484] CPU: 1 PID: 4484 Comm: syz.4.44 Not tainted 5.15.189-syzkaller #0
[ 146.060114][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 146.070170][ T4484] Call Trace:
[ 146.073455][ T4484]
[ 146.076396][ T4484] dump_stack_lvl+0x168/0x230
[ 146.081089][ T4484] ? show_regs_print_info+0x20/0x20
[ 146.086343][ T4484] ? load_image+0x3b0/0x3b0
[ 146.090869][ T4484] sysfs_create_dir_ns+0x252/0x280
[ 146.096088][ T4484] ? __lock_acquire+0x7c60/0x7c60
[ 146.101135][ T4484] ? sysfs_warn_dup+0xa0/0xa0
[ 146.105829][ T4484] ? do_raw_spin_unlock+0x11d/0x230
[ 146.111039][ T4484] kobject_add_internal+0x662/0xd00
[ 146.116254][ T4484] kobject_init_and_add+0x122/0x190
[ 146.121467][ T4484] ? lockdep_softirqs_off+0x420/0x420
[ 146.127115][ T4484] ? kobject_add+0x210/0x210
[ 146.131720][ T4484] ? __init_swait_queue_head+0xa5/0x150
[ 146.137286][ T4484] gfs2_sys_fs_add+0x234/0x480
[ 146.142069][ T4484] ? gfs2_recover_set+0x240/0x240
[ 146.147112][ T4484] ? snprintf+0xd7/0x120
[ 146.151365][ T4484] ? __free_pages+0x95/0x1a0
[ 146.155967][ T4484] ? vscnprintf+0x80/0x80
[ 146.157869][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 113ms
[ 146.160311][ T4484] gfs2_fill_super+0x128d/0x1f50
[ 146.160366][ T4484] ? gfs2_reconfigure+0xcd0/0xcd0
[ 146.160384][ T4484] ? preempt_count_add+0x8d/0x190
[ 146.160412][ T4484] ? sb_set_blocksize+0xa5/0xe0
[ 146.160432][ T4484] get_tree_bdev+0x3f1/0x610
[ 146.160451][ T4484] ? gfs2_reconfigure+0xcd0/0xcd0
[ 146.160467][ T4484] gfs2_get_tree+0x4d/0x1e0
[ 146.160485][ T4484] vfs_get_tree+0x88/0x270
[ 146.160502][ T4484] do_new_mount+0x24a/0xa40
[ 146.160526][ T4484] __se_sys_mount+0x2d6/0x3c0
[ 146.160548][ T4484] ? __x64_sys_mount+0xc0/0xc0
[ 146.160567][ T4484] ? lockdep_hardirqs_on+0x94/0x140
[ 146.160584][ T4484] ? __x64_sys_mount+0x1c/0xc0
[ 146.160602][ T4484] do_syscall_64+0x4c/0xa0
[ 146.160620][ T4484] ? clear_bhb_loop+0x30/0x80
[ 146.160636][ T4484] ? clear_bhb_loop+0x30/0x80
[ 146.160652][ T4484] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 146.160671][ T4484] RIP: 0033:0x7fb129ef030a
[ 146.160688][ T4484] 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
[ 146.160701][ T4484] RSP: 002b:00007fb12915de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 146.160721][ T4484] RAX: ffffffffffffffda RBX: 00007fb12915def0 RCX: 00007fb129ef030a
[ 146.160733][ T4484] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fb12915deb0
[ 146.160745][ T4484] RBP: 0000200000000000 R08: 00007fb12915def0 R09: 0000000000208c1b
[ 146.160756][ T4484] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 146.160767][ T4484] R13: 00007fb12915deb0 R14: 0000000000012752 R15: 0000200000000940
[ 146.160792][ T4484]
[ 146.388188][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done
[ 146.393513][ T4489] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 146.470010][ T4484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 146.509616][ T4484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 146.533614][ T4488] loop3: detected capacity change from 0 to 32768
[ 146.574073][ T4488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 146.585971][ T4488] CPU: 0 PID: 4488 Comm: syz.3.45 Not tainted 5.15.189-syzkaller #0
[ 146.593984][ T4488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 146.604235][ T4488] Call Trace:
[ 146.607522][ T4488]
[ 146.610461][ T4488] dump_stack_lvl+0x168/0x230
[ 146.615152][ T4488] ? show_regs_print_info+0x20/0x20
[ 146.620364][ T4488] ? load_image+0x3b0/0x3b0
[ 146.624889][ T4488] sysfs_create_dir_ns+0x252/0x280
[ 146.630099][ T4488] ? __lock_acquire+0x7c60/0x7c60
[ 146.635167][ T4488] ? sysfs_warn_dup+0xa0/0xa0
[ 146.639867][ T4488] ? do_raw_spin_unlock+0x11d/0x230
[ 146.645117][ T4488] kobject_add_internal+0x662/0xd00
[ 146.650324][ T4488] kobject_init_and_add+0x122/0x190
[ 146.655614][ T4488] ? lockdep_softirqs_off+0x420/0x420
[ 146.660998][ T4488] ? kobject_add+0x210/0x210
[ 146.665696][ T4488] ? __init_swait_queue_head+0xa5/0x150
[ 146.671251][ T4488] gfs2_sys_fs_add+0x234/0x480
[ 146.676034][ T4488] ? gfs2_recover_set+0x240/0x240
[ 146.681057][ T4488] ? snprintf+0xd7/0x120
[ 146.685313][ T4488] ? __free_pages+0x95/0x1a0
[ 146.689904][ T4488] ? vscnprintf+0x80/0x80
[ 146.694251][ T4488] gfs2_fill_super+0x128d/0x1f50
[ 146.699208][ T4488] ? gfs2_reconfigure+0xcd0/0xcd0
[ 146.704246][ T4488] ? preempt_count_add+0x8d/0x190
[ 146.709285][ T4488] ? sb_set_blocksize+0xa5/0xe0
[ 146.714233][ T4488] get_tree_bdev+0x3f1/0x610
[ 146.718824][ T4488] ? gfs2_reconfigure+0xcd0/0xcd0
[ 146.723858][ T4488] gfs2_get_tree+0x4d/0x1e0
[ 146.728365][ T4488] vfs_get_tree+0x88/0x270
[ 146.732796][ T4488] do_new_mount+0x24a/0xa40
[ 146.737324][ T4488] __se_sys_mount+0x2d6/0x3c0
[ 146.742006][ T4488] ? __x64_sys_mount+0xc0/0xc0
[ 146.746778][ T4488] ? lockdep_hardirqs_on+0x94/0x140
[ 146.751977][ T4488] ? __x64_sys_mount+0x1c/0xc0
[ 146.756838][ T4488] do_syscall_64+0x4c/0xa0
[ 146.761335][ T4488] ? clear_bhb_loop+0x30/0x80
[ 146.766013][ T4488] ? clear_bhb_loop+0x30/0x80
[ 146.770697][ T4488] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 146.776597][ T4488] RIP: 0033:0x7f9f93b3330a
[ 146.781019][ T4488] 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
[ 146.800627][ T4488] RSP: 002b:00007f9f92d7fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 146.809053][ T4488] RAX: ffffffffffffffda RBX: 00007f9f92d7fef0 RCX: 00007f9f93b3330a
[ 146.817209][ T4488] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92d7feb0
[ 146.825193][ T4488] RBP: 0000200000000000 R08: 00007f9f92d7fef0 R09: 0000000000208c1b
[ 146.833355][ T4488] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 146.841337][ T4488] R13: 00007f9f92d7feb0 R14: 0000000000012752 R15: 0000200000000940
[ 146.849342][ T4488]
[ 146.880334][ T4488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 146.922588][ T4488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 146.943535][ T4493] loop2: detected capacity change from 0 to 32768
2025/08/04 13:08:52 executed programs: 42
[ 147.020134][ T4493] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 147.059886][ T4493] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 147.115337][ T4493] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 5ms
[ 147.169699][ T4494] loop1: detected capacity change from 0 to 32768
[ 147.177004][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 147.188270][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 147.222154][ T4494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 147.260437][ T4494] CPU: 1 PID: 4494 Comm: syz.1.47 Not tainted 5.15.189-syzkaller #0
[ 147.268452][ T4494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 147.278520][ T4494] Call Trace:
[ 147.281808][ T4494]
[ 147.284921][ T4494] dump_stack_lvl+0x168/0x230
[ 147.289700][ T4494] ? show_regs_print_info+0x20/0x20
[ 147.294926][ T4494] ? load_image+0x3b0/0x3b0
[ 147.299459][ T4494] sysfs_create_dir_ns+0x252/0x280
[ 147.304589][ T4494] ? __lock_acquire+0x7c60/0x7c60
[ 147.309718][ T4494] ? sysfs_warn_dup+0xa0/0xa0
[ 147.314429][ T4494] ? do_raw_spin_unlock+0x11d/0x230
[ 147.319646][ T4494] kobject_add_internal+0x662/0xd00
[ 147.324865][ T4494] kobject_init_and_add+0x122/0x190
[ 147.330076][ T4494] ? lockdep_softirqs_off+0x420/0x420
[ 147.335465][ T4494] ? kobject_add+0x210/0x210
[ 147.340128][ T4494] ? __init_swait_queue_head+0xa5/0x150
[ 147.345776][ T4494] gfs2_sys_fs_add+0x234/0x480
[ 147.350557][ T4494] ? gfs2_recover_set+0x240/0x240
[ 147.355588][ T4494] ? snprintf+0xd7/0x120
[ 147.359831][ T4494] ? __free_pages+0x95/0x1a0
[ 147.364430][ T4494] ? vscnprintf+0x80/0x80
[ 147.364455][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 176ms
[ 147.368776][ T4494] gfs2_fill_super+0x128d/0x1f50
[ 147.381136][ T4494] ? gfs2_reconfigure+0xcd0/0xcd0
[ 147.386178][ T4494] ? preempt_count_add+0x8d/0x190
[ 147.391240][ T4494] ? sb_set_blocksize+0xa5/0xe0
[ 147.396109][ T4494] get_tree_bdev+0x3f1/0x610
[ 147.400714][ T4494] ? gfs2_reconfigure+0xcd0/0xcd0
[ 147.405850][ T4494] gfs2_get_tree+0x4d/0x1e0
[ 147.410375][ T4494] vfs_get_tree+0x88/0x270
[ 147.411467][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done
[ 147.414795][ T4494] do_new_mount+0x24a/0xa40
[ 147.424466][ T4494] __se_sys_mount+0x2d6/0x3c0
[ 147.429268][ T4494] ? __x64_sys_mount+0xc0/0xc0
[ 147.434046][ T4494] ? lockdep_hardirqs_on+0x94/0x140
[ 147.439250][ T4494] ? __x64_sys_mount+0x1c/0xc0
[ 147.444030][ T4494] do_syscall_64+0x4c/0xa0
[ 147.448458][ T4494] ? clear_bhb_loop+0x30/0x80
[ 147.453149][ T4494] ? clear_bhb_loop+0x30/0x80
[ 147.457843][ T4494] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 147.458677][ T4493] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 147.463741][ T4494] RIP: 0033:0x7fd7bbe3630a
[ 147.463763][ T4494] 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
[ 147.463775][ T4494] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 147.463792][ T4494] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 147.463803][ T4494] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 147.463815][ T4494] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 147.463825][ T4494] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 147.463835][ T4494] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 147.463857][ T4494]
[ 147.573410][ T4494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 147.607259][ T4494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 148.178538][ T4499] loop0: detected capacity change from 0 to 32768
[ 148.236246][ T4496] loop4: detected capacity change from 0 to 32768
[ 148.247883][ T4499] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 148.278786][ T4499] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 148.307012][ T4499] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 148.328183][ T4496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 148.361867][ T4496] CPU: 0 PID: 4496 Comm: syz.4.49 Not tainted 5.15.189-syzkaller #0
[ 148.369964][ T4496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 148.380111][ T4496] Call Trace:
[ 148.383393][ T4496]
[ 148.386333][ T4496] dump_stack_lvl+0x168/0x230
[ 148.391281][ T4496] ? show_regs_print_info+0x20/0x20
[ 148.396496][ T4496] ? load_image+0x3b0/0x3b0
[ 148.401066][ T4496] sysfs_create_dir_ns+0x252/0x280
[ 148.406197][ T4496] ? __lock_acquire+0x7c60/0x7c60
[ 148.411236][ T4496] ? sysfs_warn_dup+0xa0/0xa0
[ 148.415933][ T4496] ? do_raw_spin_unlock+0x11d/0x230
[ 148.421158][ T4496] kobject_add_internal+0x662/0xd00
[ 148.426375][ T4496] kobject_init_and_add+0x122/0x190
[ 148.431585][ T4496] ? lockdep_softirqs_off+0x420/0x420
[ 148.436980][ T4496] ? kobject_add+0x210/0x210
[ 148.441591][ T4496] ? __init_swait_queue_head+0xa5/0x150
[ 148.447200][ T4496] gfs2_sys_fs_add+0x234/0x480
[ 148.452250][ T4496] ? gfs2_recover_set+0x240/0x240
[ 148.457289][ T4496] ? snprintf+0xd7/0x120
[ 148.461554][ T4496] ? __free_pages+0x95/0x1a0
[ 148.466158][ T4496] ? vscnprintf+0x80/0x80
[ 148.470503][ T4496] gfs2_fill_super+0x128d/0x1f50
[ 148.475456][ T4496] ? gfs2_reconfigure+0xcd0/0xcd0
[ 148.480503][ T4496] ? preempt_count_add+0x8d/0x190
[ 148.485544][ T4496] ? sb_set_blocksize+0xa5/0xe0
[ 148.490418][ T4496] get_tree_bdev+0x3f1/0x610
[ 148.495079][ T4496] ? gfs2_reconfigure+0xcd0/0xcd0
[ 148.500124][ T4496] gfs2_get_tree+0x4d/0x1e0
[ 148.503286][ T4501] loop3: detected capacity change from 0 to 32768
[ 148.504635][ T4496] vfs_get_tree+0x88/0x270
[ 148.515519][ T4496] do_new_mount+0x24a/0xa40
[ 148.520147][ T4496] __se_sys_mount+0x2d6/0x3c0
[ 148.524934][ T4496] ? __x64_sys_mount+0xc0/0xc0
[ 148.529725][ T4496] ? lockdep_hardirqs_on+0x94/0x140
[ 148.535023][ T4496] ? __x64_sys_mount+0x1c/0xc0
[ 148.539928][ T4496] do_syscall_64+0x4c/0xa0
[ 148.544375][ T4496] ? clear_bhb_loop+0x30/0x80
[ 148.549068][ T4496] ? clear_bhb_loop+0x30/0x80
[ 148.553755][ T4496] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 148.558271][ T4501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 148.559655][ T4496] RIP: 0033:0x7fb129ef030a
[ 148.571579][ T4496] 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
[ 148.591281][ T4496] RSP: 002b:00007fb12915de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 148.599719][ T4496] RAX: ffffffffffffffda RBX: 00007fb12915def0 RCX: 00007fb129ef030a
[ 148.607797][ T4496] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fb12915deb0
[ 148.615776][ T4496] RBP: 0000200000000000 R08: 00007fb12915def0 R09: 0000000000208c1b
[ 148.623764][ T4496] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 148.632355][ T4496] R13: 00007fb12915deb0 R14: 0000000000012752 R15: 0000200000000940
[ 148.640356][ T4496]
[ 148.648693][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 148.658853][ T4501] CPU: 1 PID: 4501 Comm: syz.3.50 Not tainted 5.15.189-syzkaller #0
[ 148.659885][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 148.666855][ T4501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 148.666866][ T4501] Call Trace:
[ 148.686951][ T4501]
[ 148.689903][ T4501] dump_stack_lvl+0x168/0x230
[ 148.694771][ T4501] ? show_regs_print_info+0x20/0x20
[ 148.700106][ T4501] ? load_image+0x3b0/0x3b0
[ 148.704630][ T4501] sysfs_create_dir_ns+0x252/0x280
[ 148.709742][ T4501] ? __lock_acquire+0x7c60/0x7c60
[ 148.714855][ T4501] ? sysfs_warn_dup+0xa0/0xa0
[ 148.719555][ T4501] ? do_raw_spin_unlock+0x11d/0x230
[ 148.724766][ T4501] kobject_add_internal+0x662/0xd00
[ 148.729984][ T4501] kobject_init_and_add+0x122/0x190
[ 148.735207][ T4501] ? lockdep_softirqs_off+0x420/0x420
[ 148.740590][ T4501] ? kobject_add+0x210/0x210
[ 148.745207][ T4501] ? __init_swait_queue_head+0xa5/0x150
[ 148.750780][ T4501] gfs2_sys_fs_add+0x234/0x480
[ 148.755563][ T4501] ? gfs2_recover_set+0x240/0x240
[ 148.760604][ T4501] ? snprintf+0xd7/0x120
[ 148.764857][ T4501] ? __free_pages+0x95/0x1a0
[ 148.769453][ T4501] ? vscnprintf+0x80/0x80
[ 148.773816][ T4501] gfs2_fill_super+0x128d/0x1f50
[ 148.776349][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 116ms
[ 148.778776][ T4501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 148.791216][ T4501] ? preempt_count_add+0x8d/0x190
[ 148.796259][ T4501] ? sb_set_blocksize+0xa5/0xe0
[ 148.801143][ T4501] get_tree_bdev+0x3f1/0x610
[ 148.805762][ T4501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 148.810834][ T4501] gfs2_get_tree+0x4d/0x1e0
[ 148.814408][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done
[ 148.815355][ T4501] vfs_get_tree+0x88/0x270
[ 148.825128][ T4501] do_new_mount+0x24a/0xa40
[ 148.829651][ T4501] __se_sys_mount+0x2d6/0x3c0
[ 148.834346][ T4501] ? __x64_sys_mount+0xc0/0xc0
[ 148.839299][ T4501] ? lockdep_hardirqs_on+0x94/0x140
[ 148.839957][ T4499] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 148.844499][ T4501] ? __x64_sys_mount+0x1c/0xc0
[ 148.856453][ T4501] do_syscall_64+0x4c/0xa0
[ 148.860889][ T4501] ? clear_bhb_loop+0x30/0x80
[ 148.865575][ T4501] ? clear_bhb_loop+0x30/0x80
[ 148.870264][ T4501] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 148.876173][ T4501] RIP: 0033:0x7f9f93b3330a
[ 148.880590][ T4501] 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
[ 148.900200][ T4501] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 148.908725][ T4501] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 148.916706][ T4501] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 148.924685][ T4501] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
[ 148.932667][ T4501] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 148.940648][ T4501] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 148.948826][ T4501]
[ 149.032404][ T4501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 149.100095][ T4501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 149.129941][ T4496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 149.153475][ T4496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 149.247262][ T4503] loop2: detected capacity change from 0 to 32768
[ 149.292626][ T4503] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 149.337305][ T4503] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 149.407986][ T4503] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 149.451085][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 149.470229][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 149.474359][ T4496] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready
[ 149.531324][ T4505] loop1: detected capacity change from 0 to 32768
[ 149.559678][ T4505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 149.575777][ T4505] CPU: 1 PID: 4505 Comm: syz.1.52 Not tainted 5.15.189-syzkaller #0
[ 149.583798][ T4505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 149.593862][ T4505] Call Trace:
[ 149.597151][ T4505]
[ 149.600091][ T4505] dump_stack_lvl+0x168/0x230
[ 149.604354][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 134ms
[ 149.604780][ T4505] ? show_regs_print_info+0x20/0x20
[ 149.604806][ T4505] ? load_image+0x3b0/0x3b0
[ 149.604832][ T4505] sysfs_create_dir_ns+0x252/0x280
[ 149.627042][ T4505] ? __lock_acquire+0x7c60/0x7c60
[ 149.628629][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done
[ 149.632363][ T4505] ? sysfs_warn_dup+0xa0/0xa0
[ 149.632397][ T4505] ? do_raw_spin_unlock+0x11d/0x230
[ 149.632416][ T4505] kobject_add_internal+0x662/0xd00
[ 149.632439][ T4505] kobject_init_and_add+0x122/0x190
[ 149.632454][ T4505] ? lockdep_softirqs_off+0x420/0x420
[ 149.632473][ T4505] ? kobject_add+0x210/0x210
[ 149.632491][ T4505] ? __init_swait_queue_head+0xa5/0x150
[ 149.632514][ T4505] gfs2_sys_fs_add+0x234/0x480
[ 149.632532][ T4505] ? gfs2_recover_set+0x240/0x240
[ 149.655683][ T4503] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 149.658269][ T4505] ? snprintf+0xd7/0x120
[ 149.658297][ T4505] ? __free_pages+0x95/0x1a0
[ 149.699935][ T4505] ? vscnprintf+0x80/0x80
[ 149.704292][ T4505] gfs2_fill_super+0x128d/0x1f50
[ 149.709246][ T4505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 149.714374][ T4505] ? preempt_count_add+0x8d/0x190
[ 149.719421][ T4505] ? sb_set_blocksize+0xa5/0xe0
[ 149.724284][ T4505] get_tree_bdev+0x3f1/0x610
[ 149.728881][ T4505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 149.733510][ T4507] loop0: detected capacity change from 0 to 32768
[ 149.733938][ T4505] gfs2_get_tree+0x4d/0x1e0
[ 149.744836][ T4505] vfs_get_tree+0x88/0x270
[ 149.749365][ T4505] do_new_mount+0x24a/0xa40
[ 149.753888][ T4505] __se_sys_mount+0x2d6/0x3c0
[ 149.758581][ T4505] ? __x64_sys_mount+0xc0/0xc0
[ 149.763447][ T4505] ? lockdep_hardirqs_on+0x94/0x140
[ 149.768655][ T4505] ? __x64_sys_mount+0x1c/0xc0
[ 149.773543][ T4505] do_syscall_64+0x4c/0xa0
[ 149.778055][ T4505] ? clear_bhb_loop+0x30/0x80
[ 149.782747][ T4505] ? clear_bhb_loop+0x30/0x80
[ 149.787443][ T4505] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 149.793355][ T4505] RIP: 0033:0x7fd7bbe3630a
[ 149.797779][ T4505] 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
[ 149.817474][ T4505] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 149.825904][ T4505] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 149.833886][ T4505] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 149.841872][ T4505] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 149.849854][ T4505] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 149.857844][ T4505] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 149.865839][ T4505]
[ 149.889019][ T4505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 149.908845][ T4505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 149.930445][ T4507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 149.959932][ T4507] CPU: 1 PID: 4507 Comm: syz.0.53 Not tainted 5.15.189-syzkaller #0
[ 149.967952][ T4507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 149.978021][ T4507] Call Trace:
[ 149.981312][ T4507]
[ 149.984253][ T4507] dump_stack_lvl+0x168/0x230
[ 149.988951][ T4507] ? show_regs_print_info+0x20/0x20
[ 149.994221][ T4507] ? load_image+0x3b0/0x3b0
[ 149.998747][ T4507] sysfs_create_dir_ns+0x252/0x280
[ 150.003869][ T4507] ? __lock_acquire+0x7c60/0x7c60
[ 150.008930][ T4507] ? sysfs_warn_dup+0xa0/0xa0
[ 150.013637][ T4507] ? do_raw_spin_unlock+0x11d/0x230
[ 150.018855][ T4507] kobject_add_internal+0x662/0xd00
[ 150.024267][ T4507] kobject_init_and_add+0x122/0x190
[ 150.029482][ T4507] ? lockdep_softirqs_off+0x420/0x420
[ 150.034980][ T4507] ? kobject_add+0x210/0x210
[ 150.039597][ T4507] ? __init_swait_queue_head+0xa5/0x150
[ 150.045259][ T4507] gfs2_sys_fs_add+0x234/0x480
[ 150.050052][ T4507] ? gfs2_recover_set+0x240/0x240
[ 150.055181][ T4507] ? snprintf+0xd7/0x120
[ 150.059441][ T4507] ? __free_pages+0x95/0x1a0
[ 150.064061][ T4507] ? vscnprintf+0x80/0x80
[ 150.068415][ T4507] gfs2_fill_super+0x128d/0x1f50
[ 150.073383][ T4507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 150.078515][ T4507] ? preempt_count_add+0x8d/0x190
[ 150.083563][ T4507] ? sb_set_blocksize+0xa5/0xe0
[ 150.088434][ T4507] get_tree_bdev+0x3f1/0x610
[ 150.093133][ T4507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 150.098174][ T4507] gfs2_get_tree+0x4d/0x1e0
[ 150.102694][ T4507] vfs_get_tree+0x88/0x270
[ 150.107123][ T4507] do_new_mount+0x24a/0xa40
[ 150.111636][ T4507] __se_sys_mount+0x2d6/0x3c0
[ 150.116332][ T4507] ? __x64_sys_mount+0xc0/0xc0
[ 150.121115][ T4507] ? lockdep_hardirqs_on+0x94/0x140
[ 150.126320][ T4507] ? __x64_sys_mount+0x1c/0xc0
[ 150.131098][ T4507] do_syscall_64+0x4c/0xa0
[ 150.135526][ T4507] ? clear_bhb_loop+0x30/0x80
[ 150.140382][ T4507] ? clear_bhb_loop+0x30/0x80
[ 150.145072][ T4507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 150.150973][ T4507] RIP: 0033:0x7f57061ff30a
[ 150.155397][ T4507] 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
[ 150.175095][ T4507] RSP: 002b:00007f570546ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 150.183518][ T4507] RAX: ffffffffffffffda RBX: 00007f570546cef0 RCX: 00007f57061ff30a
[ 150.191499][ T4507] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f570546ceb0
[ 150.199486][ T4507] RBP: 0000200000000000 R08: 00007f570546cef0 R09: 0000000000208c1b
[ 150.207464][ T4507] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 150.215445][ T4507] R13: 00007f570546ceb0 R14: 0000000000012752 R15: 0000200000000940
[ 150.223562][ T4507]
[ 150.315762][ T4507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 150.323493][ T4510] loop3: detected capacity change from 0 to 32768
[ 150.357484][ T4507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 150.395285][ T4510] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 150.410095][ T4510] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 150.448244][ T4510] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 150.485530][ T4383] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 150.492566][ T4383] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 150.552027][ T4383] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 59ms
[ 150.571136][ T4383] gfs2: fsid=syz:syz.0: jid=0: Done
[ 150.576788][ T4510] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 151.126088][ T4514] loop2: detected capacity change from 0 to 32768
[ 151.207466][ T4512] loop4: detected capacity change from 0 to 32768
[ 151.250000][ T4514] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 151.274406][ T4512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 151.309896][ T4512] CPU: 1 PID: 4512 Comm: syz.4.56 Not tainted 5.15.189-syzkaller #0
[ 151.310095][ T4514] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 151.317927][ T4512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 151.317939][ T4512] Call Trace:
[ 151.317946][ T4512]
[ 151.317954][ T4512] dump_stack_lvl+0x168/0x230
[ 151.317979][ T4512] ? show_regs_print_info+0x20/0x20
[ 151.317996][ T4512] ? load_image+0x3b0/0x3b0
[ 151.355452][ T4512] sysfs_create_dir_ns+0x252/0x280
[ 151.360584][ T4512] ? __lock_acquire+0x7c60/0x7c60
[ 151.365623][ T4512] ? sysfs_warn_dup+0xa0/0xa0
[ 151.370318][ T4512] ? do_raw_spin_unlock+0x11d/0x230
[ 151.375524][ T4512] kobject_add_internal+0x662/0xd00
[ 151.381005][ T4512] kobject_init_and_add+0x122/0x190
[ 151.386241][ T4512] ? lockdep_softirqs_off+0x420/0x420
[ 151.391627][ T4512] ? kobject_add+0x210/0x210
[ 151.396222][ T4512] ? __init_swait_queue_head+0xa5/0x150
[ 151.401795][ T4512] gfs2_sys_fs_add+0x234/0x480
[ 151.406564][ T4512] ? gfs2_recover_set+0x240/0x240
[ 151.411576][ T4512] ? snprintf+0xd7/0x120
[ 151.415804][ T4512] ? __free_pages+0x95/0x1a0
[ 151.420377][ T4512] ? vscnprintf+0x80/0x80
[ 151.424726][ T4512] gfs2_fill_super+0x128d/0x1f50
[ 151.429657][ T4512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 151.434666][ T4512] ? preempt_count_add+0x8d/0x190
[ 151.439846][ T4512] ? sb_set_blocksize+0xa5/0xe0
[ 151.444731][ T4512] get_tree_bdev+0x3f1/0x610
[ 151.449549][ T4512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 151.454587][ T4512] gfs2_get_tree+0x4d/0x1e0
[ 151.459095][ T4512] vfs_get_tree+0x88/0x270
[ 151.463499][ T4512] do_new_mount+0x24a/0xa40
[ 151.468003][ T4512] __se_sys_mount+0x2d6/0x3c0
[ 151.472668][ T4512] ? __x64_sys_mount+0xc0/0xc0
[ 151.477414][ T4512] ? lockdep_hardirqs_on+0x94/0x140
[ 151.482811][ T4512] ? __x64_sys_mount+0x1c/0xc0
[ 151.487584][ T4512] do_syscall_64+0x4c/0xa0
[ 151.492073][ T4512] ? clear_bhb_loop+0x30/0x80
[ 151.496737][ T4512] ? clear_bhb_loop+0x30/0x80
[ 151.501421][ T4512] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 151.507401][ T4512] RIP: 0033:0x7fb129ef030a
[ 151.511897][ T4512] 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
[ 151.531584][ T4512] RSP: 002b:00007fb12915de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 151.539996][ T4512] RAX: ffffffffffffffda RBX: 00007fb12915def0 RCX: 00007fb129ef030a
[ 151.547977][ T4512] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fb12915deb0
[ 151.555940][ T4512] RBP: 0000200000000000 R08: 00007fb12915def0 R09: 0000000000208c1b
[ 151.563901][ T4512] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 151.571889][ T4512] R13: 00007fb12915deb0 R14: 0000000000012752 R15: 0000200000000940
[ 151.579874][ T4512]
[ 151.626593][ T4512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 151.680725][ T4514] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 151.718999][ T4311] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 151.727463][ T4311] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 151.755864][ T4512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 151.885190][ T4311] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 157ms
[ 151.926509][ T4311] gfs2: fsid=syz:syz.0: jid=0: Done
[ 151.933003][ T4514] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 151.960143][ T4516] loop0: detected capacity change from 0 to 32768
[ 152.041155][ T4516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 152.053067][ T4516] CPU: 1 PID: 4516 Comm: syz.0.58 Not tainted 5.15.189-syzkaller #0
[ 152.061076][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 152.071222][ T4516] Call Trace:
[ 152.074589][ T4516]
[ 152.077962][ T4516] dump_stack_lvl+0x168/0x230
[ 152.082661][ T4516] ? show_regs_print_info+0x20/0x20
[ 152.087888][ T4516] ? load_image+0x3b0/0x3b0
[ 152.092422][ T4516] sysfs_create_dir_ns+0x252/0x280
[ 152.097551][ T4516] ? __lock_acquire+0x7c60/0x7c60
[ 152.102593][ T4516] ? sysfs_warn_dup+0xa0/0xa0
[ 152.107291][ T4516] ? do_raw_spin_unlock+0x11d/0x230
[ 152.112517][ T4516] kobject_add_internal+0x662/0xd00
[ 152.117780][ T4516] kobject_init_and_add+0x122/0x190
[ 152.123009][ T4516] ? lockdep_softirqs_off+0x420/0x420
[ 152.128400][ T4516] ? kobject_add+0x210/0x210
[ 152.133002][ T4516] ? __init_swait_queue_head+0xa5/0x150
[ 152.138567][ T4516] gfs2_sys_fs_add+0x234/0x480
[ 152.143344][ T4516] ? gfs2_recover_set+0x240/0x240
[ 152.148468][ T4516] ? snprintf+0xd7/0x120
[ 152.152722][ T4516] ? __free_pages+0x95/0x1a0
[ 152.157323][ T4516] ? vscnprintf+0x80/0x80
[ 152.161674][ T4516] gfs2_fill_super+0x128d/0x1f50
[ 152.166647][ T4516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.171680][ T4516] ? preempt_count_add+0x8d/0x190
[ 152.176950][ T4516] ? sb_set_blocksize+0xa5/0xe0
[ 152.181816][ T4516] get_tree_bdev+0x3f1/0x610
[ 152.186418][ T4516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.191448][ T4516] gfs2_get_tree+0x4d/0x1e0
[ 152.195931][ T4520] loop3: detected capacity change from 0 to 32768
[ 152.196047][ T4516] vfs_get_tree+0x88/0x270
[ 152.206946][ T4516] do_new_mount+0x24a/0xa40
[ 152.211559][ T4516] __se_sys_mount+0x2d6/0x3c0
[ 152.216355][ T4516] ? __x64_sys_mount+0xc0/0xc0
[ 152.221229][ T4516] ? lockdep_hardirqs_on+0x94/0x140
[ 152.226443][ T4516] ? __x64_sys_mount+0x1c/0xc0
[ 152.226860][ T4520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 152.231218][ T4516] do_syscall_64+0x4c/0xa0
[ 152.231242][ T4516] ? clear_bhb_loop+0x30/0x80
[ 152.231256][ T4516] ? clear_bhb_loop+0x30/0x80
[ 152.231271][ T4516] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 152.231289][ T4516] RIP: 0033:0x7f57061ff30a
[ 152.231306][ T4516] 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
[ 152.231320][ T4516] RSP: 002b:00007f570546ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 152.231340][ T4516] RAX: ffffffffffffffda RBX: 00007f570546cef0 RCX: 00007f57061ff30a
[ 152.231353][ T4516] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f570546ceb0
[ 152.231365][ T4516] RBP: 0000200000000000 R08: 00007f570546cef0 R09: 0000000000208c1b
[ 152.231376][ T4516] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 152.231386][ T4516] R13: 00007f570546ceb0 R14: 0000000000012752 R15: 0000200000000940
[ 152.231407][ T4516]
[ 152.335024][ T4520] CPU: 0 PID: 4520 Comm: syz.3.57 Not tainted 5.15.189-syzkaller #0
[ 152.343042][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 152.353114][ T4520] Call Trace:
[ 152.356416][ T4520]
[ 152.359355][ T4520] dump_stack_lvl+0x168/0x230
[ 152.364060][ T4518] loop1: detected capacity change from 0 to 32768
[ 152.364058][ T4520] ? show_regs_print_info+0x20/0x20
[ 152.364084][ T4520] ? load_image+0x3b0/0x3b0
[ 152.380232][ T4520] sysfs_create_dir_ns+0x252/0x280
[ 152.385362][ T4520] ? __lock_acquire+0x7c60/0x7c60
[ 152.390405][ T4520] ? sysfs_warn_dup+0xa0/0xa0
[ 152.395111][ T4520] ? do_raw_spin_unlock+0x11d/0x230
[ 152.400321][ T4520] kobject_add_internal+0x662/0xd00
[ 152.405519][ T4520] kobject_init_and_add+0x122/0x190
[ 152.410789][ T4520] ? lockdep_softirqs_off+0x420/0x420
[ 152.416182][ T4520] ? kobject_add+0x210/0x210
[ 152.420770][ T4520] ? __init_swait_queue_head+0xa5/0x150
[ 152.426477][ T4520] gfs2_sys_fs_add+0x234/0x480
[ 152.431227][ T4520] ? gfs2_recover_set+0x240/0x240
[ 152.436234][ T4520] ? snprintf+0xd7/0x120
[ 152.440467][ T4520] ? __free_pages+0x95/0x1a0
[ 152.445041][ T4520] ? vscnprintf+0x80/0x80
[ 152.449373][ T4520] gfs2_fill_super+0x128d/0x1f50
[ 152.454322][ T4520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.459346][ T4520] ? preempt_count_add+0x8d/0x190
[ 152.464547][ T4520] ? sb_set_blocksize+0xa5/0xe0
[ 152.469380][ T4520] get_tree_bdev+0x3f1/0x610
[ 152.473962][ T4520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.478977][ T4520] gfs2_get_tree+0x4d/0x1e0
[ 152.483465][ T4520] vfs_get_tree+0x88/0x270
[ 152.487864][ T4520] do_new_mount+0x24a/0xa40
[ 152.492352][ T4520] __se_sys_mount+0x2d6/0x3c0
[ 152.497285][ T4520] ? __x64_sys_mount+0xc0/0xc0
[ 152.502031][ T4520] ? lockdep_hardirqs_on+0x94/0x140
[ 152.507212][ T4520] ? __x64_sys_mount+0x1c/0xc0
[ 152.511961][ T4520] do_syscall_64+0x4c/0xa0
[ 152.516368][ T4520] ? clear_bhb_loop+0x30/0x80
[ 152.521027][ T4520] ? clear_bhb_loop+0x30/0x80
[ 152.525693][ T4520] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 152.531657][ T4520] RIP: 0033:0x7f9f93b3330a
[ 152.536055][ T4520] 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
[ 152.555661][ T4520] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 152.564156][ T4520] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 152.572108][ T4520] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 152.580149][ T4520] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
2025/08/04 13:08:57 executed programs: 53
[ 152.588101][ T4520] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 152.596269][ T4520] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 152.604248][ T4520]
[ 152.619908][ T4516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 152.635222][ T4518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 152.659471][ T4518] CPU: 0 PID: 4518 Comm: syz.1.59 Not tainted 5.15.189-syzkaller #0
[ 152.667577][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 152.677639][ T4518] Call Trace:
[ 152.680922][ T4518]
[ 152.683840][ T4518] dump_stack_lvl+0x168/0x230
[ 152.689205][ T4518] ? show_regs_print_info+0x20/0x20
[ 152.694408][ T4518] ? load_image+0x3b0/0x3b0
[ 152.698913][ T4518] sysfs_create_dir_ns+0x252/0x280
[ 152.704097][ T4518] ? __lock_acquire+0x7c60/0x7c60
[ 152.709129][ T4518] ? sysfs_warn_dup+0xa0/0xa0
[ 152.713789][ T4518] ? do_raw_spin_unlock+0x11d/0x230
[ 152.719064][ T4518] kobject_add_internal+0x662/0xd00
[ 152.724274][ T4518] kobject_init_and_add+0x122/0x190
[ 152.729460][ T4518] ? lockdep_softirqs_off+0x420/0x420
[ 152.734820][ T4518] ? kobject_add+0x210/0x210
[ 152.739400][ T4518] ? __init_swait_queue_head+0xa5/0x150
[ 152.745022][ T4518] gfs2_sys_fs_add+0x234/0x480
[ 152.749865][ T4518] ? gfs2_recover_set+0x240/0x240
[ 152.754904][ T4518] ? snprintf+0xd7/0x120
[ 152.759143][ T4518] ? __free_pages+0x95/0x1a0
[ 152.763805][ T4518] ? vscnprintf+0x80/0x80
[ 152.768144][ T4518] gfs2_fill_super+0x128d/0x1f50
[ 152.773094][ T4518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.778113][ T4518] ? preempt_count_add+0x8d/0x190
[ 152.783134][ T4518] ? sb_set_blocksize+0xa5/0xe0
[ 152.787996][ T4518] get_tree_bdev+0x3f1/0x610
[ 152.792665][ T4518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.797672][ T4518] gfs2_get_tree+0x4d/0x1e0
[ 152.802158][ T4518] vfs_get_tree+0x88/0x270
[ 152.806573][ T4518] do_new_mount+0x24a/0xa40
[ 152.811081][ T4518] __se_sys_mount+0x2d6/0x3c0
[ 152.815918][ T4518] ? __x64_sys_mount+0xc0/0xc0
[ 152.820672][ T4518] ? lockdep_hardirqs_on+0x94/0x140
[ 152.825941][ T4518] ? __x64_sys_mount+0x1c/0xc0
[ 152.830707][ T4518] do_syscall_64+0x4c/0xa0
[ 152.835111][ T4518] ? clear_bhb_loop+0x30/0x80
[ 152.839772][ T4518] ? clear_bhb_loop+0x30/0x80
[ 152.844460][ T4518] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 152.850425][ T4518] RIP: 0033:0x7fd7bbe3630a
[ 152.854846][ T4518] 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
[ 152.874431][ T4518] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 152.883013][ T4518] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 152.890974][ T4518] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 152.898928][ T4518] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 152.906892][ T4518] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 152.914845][ T4518] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 152.922900][ T4518]
[ 152.938564][ T4516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 152.968560][ T4518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 152.982307][ T4518] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 152.989581][ T4520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 153.008442][ T4520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 153.680781][ T4522] loop4: detected capacity change from 0 to 32768
[ 153.734419][ T4522] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 153.773488][ T4522] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 153.820066][ T4522] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 153.849364][ T4311] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 153.856287][ T4311] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 153.952287][ T4311] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 95ms
[ 153.971643][ T4311] gfs2: fsid=syz:syz.0: jid=0: Done
[ 153.976902][ T4522] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 154.077517][ T4524] loop1: detected capacity change from 0 to 32768
[ 154.131815][ T4526] loop2: detected capacity change from 0 to 32768
[ 154.197670][ T4528] loop3: detected capacity change from 0 to 32768
[ 154.204590][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 154.213515][ T4526] CPU: 1 PID: 4526 Comm: syz.2.61 Not tainted 5.15.189-syzkaller #0
[ 154.221642][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 154.231711][ T4526] Call Trace:
[ 154.235002][ T4526]
[ 154.237933][ T4526] dump_stack_lvl+0x168/0x230
[ 154.242631][ T4526] ? show_regs_print_info+0x20/0x20
[ 154.247844][ T4526] ? load_image+0x3b0/0x3b0
[ 154.252537][ T4526] sysfs_create_dir_ns+0x252/0x280
[ 154.257671][ T4526] ? __lock_acquire+0x7c60/0x7c60
[ 154.262779][ T4526] ? sysfs_warn_dup+0xa0/0xa0
[ 154.265709][ T4524] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 154.267467][ T4526] ? do_raw_spin_unlock+0x11d/0x230
[ 154.267494][ T4526] kobject_add_internal+0x662/0xd00
[ 154.267516][ T4526] kobject_init_and_add+0x122/0x190
[ 154.291284][ T4526] ? lockdep_softirqs_off+0x420/0x420
[ 154.296753][ T4526] ? kobject_add+0x210/0x210
[ 154.301346][ T4526] ? __init_swait_queue_head+0xa5/0x150
[ 154.306906][ T4526] gfs2_sys_fs_add+0x234/0x480
[ 154.311682][ T4526] ? gfs2_recover_set+0x240/0x240
[ 154.316928][ T4526] ? snprintf+0xd7/0x120
[ 154.321215][ T4526] ? __free_pages+0x95/0x1a0
[ 154.325818][ T4526] ? vscnprintf+0x80/0x80
[ 154.330391][ T4526] gfs2_fill_super+0x128d/0x1f50
[ 154.335361][ T4526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 154.337117][ T4524] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 154.340406][ T4526] ? preempt_count_add+0x8d/0x190
[ 154.340440][ T4526] ? sb_set_blocksize+0xa5/0xe0
[ 154.340460][ T4526] get_tree_bdev+0x3f1/0x610
[ 154.340478][ T4526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 154.340497][ T4526] gfs2_get_tree+0x4d/0x1e0
[ 154.340517][ T4526] vfs_get_tree+0x88/0x270
[ 154.340535][ T4526] do_new_mount+0x24a/0xa40
[ 154.340558][ T4526] __se_sys_mount+0x2d6/0x3c0
[ 154.385269][ T4526] ? __x64_sys_mount+0xc0/0xc0
[ 154.390053][ T4526] ? lockdep_hardirqs_on+0x94/0x140
[ 154.395263][ T4526] ? __x64_sys_mount+0x1c/0xc0
[ 154.400124][ T4526] do_syscall_64+0x4c/0xa0
[ 154.404731][ T4526] ? clear_bhb_loop+0x30/0x80
[ 154.409410][ T4526] ? clear_bhb_loop+0x30/0x80
[ 154.414093][ T4526] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 154.419990][ T4526] RIP: 0033:0x7f1654e5030a
[ 154.424413][ T4526] 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
[ 154.444136][ T4526] RSP: 002b:00007f16540bde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 154.447178][ T4524] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 154.452643][ T4526] RAX: ffffffffffffffda RBX: 00007f16540bdef0 RCX: 00007f1654e5030a
[ 154.452660][ T4526] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f16540bdeb0
[ 154.452671][ T4526] RBP: 0000200000000000 R08: 00007f16540bdef0 R09: 0000000000208c1b
[ 154.452681][ T4526] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 154.452691][ T4526] R13: 00007f16540bdeb0 R14: 0000000000012752 R15: 0000200000000940
[ 154.452713][ T4526]
[ 154.511296][ T4528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 154.518723][ T4528] CPU: 0 PID: 4528 Comm: syz.3.63 Not tainted 5.15.189-syzkaller #0
[ 154.524063][ T4530] loop0: detected capacity change from 0 to 32768
[ 154.526706][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 154.526719][ T4528] Call Trace:
[ 154.526724][ T4528]
[ 154.526731][ T4528] dump_stack_lvl+0x168/0x230
[ 154.526757][ T4528] ? show_regs_print_info+0x20/0x20
[ 154.547574][ T4530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 154.549394][ T4528] ? load_image+0x3b0/0x3b0
[ 154.571088][ T4528] sysfs_create_dir_ns+0x252/0x280
[ 154.576220][ T4528] ? __lock_acquire+0x7c60/0x7c60
[ 154.581348][ T4528] ? sysfs_warn_dup+0xa0/0xa0
[ 154.586048][ T4528] ? do_raw_spin_unlock+0x11d/0x230
[ 154.591272][ T4528] kobject_add_internal+0x662/0xd00
[ 154.596575][ T4528] kobject_init_and_add+0x122/0x190
[ 154.601778][ T4528] ? lockdep_softirqs_off+0x420/0x420
[ 154.607161][ T4528] ? kobject_add+0x210/0x210
[ 154.611769][ T4528] ? __init_swait_queue_head+0xa5/0x150
[ 154.617335][ T4528] gfs2_sys_fs_add+0x234/0x480
[ 154.622121][ T4528] ? gfs2_recover_set+0x240/0x240
[ 154.627151][ T4528] ? snprintf+0xd7/0x120
[ 154.631417][ T4528] ? __free_pages+0x95/0x1a0
[ 154.636028][ T4528] ? vscnprintf+0x80/0x80
[ 154.640366][ T4528] gfs2_fill_super+0x128d/0x1f50
[ 154.645310][ T4528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 154.650339][ T4528] ? preempt_count_add+0x8d/0x190
[ 154.655377][ T4528] ? sb_set_blocksize+0xa5/0xe0
[ 154.660235][ T4528] get_tree_bdev+0x3f1/0x610
[ 154.664832][ T4528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 154.669886][ T4528] gfs2_get_tree+0x4d/0x1e0
[ 154.674387][ T4528] vfs_get_tree+0x88/0x270
[ 154.678797][ T4528] do_new_mount+0x24a/0xa40
[ 154.683300][ T4528] __se_sys_mount+0x2d6/0x3c0
[ 154.687968][ T4528] ? __x64_sys_mount+0xc0/0xc0
[ 154.692723][ T4528] ? lockdep_hardirqs_on+0x94/0x140
[ 154.697908][ T4528] ? __x64_sys_mount+0x1c/0xc0
[ 154.702662][ T4528] do_syscall_64+0x4c/0xa0
[ 154.707074][ T4528] ? clear_bhb_loop+0x30/0x80
[ 154.711760][ T4528] ? clear_bhb_loop+0x30/0x80
[ 154.716444][ T4528] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 154.722340][ T4528] RIP: 0033:0x7f9f93b3330a
[ 154.726782][ T4528] 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
[ 154.746637][ T4528] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 154.755052][ T4528] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 154.763039][ T4528] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 154.771022][ T4528] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
[ 154.778994][ T4528] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 154.786969][ T4528] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 154.794948][ T4528]
[ 154.816785][ T4530] CPU: 1 PID: 4530 Comm: syz.0.64 Not tainted 5.15.189-syzkaller #0
[ 154.824969][ T4530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 154.835377][ T4530] Call Trace:
[ 154.838833][ T4530]
[ 154.841773][ T4530] dump_stack_lvl+0x168/0x230
[ 154.846545][ T4530] ? show_regs_print_info+0x20/0x20
[ 154.851839][ T4530] ? load_image+0x3b0/0x3b0
[ 154.856388][ T4530] sysfs_create_dir_ns+0x252/0x280
[ 154.861511][ T4530] ? __lock_acquire+0x7c60/0x7c60
[ 154.866545][ T4530] ? sysfs_warn_dup+0xa0/0xa0
[ 154.871239][ T4530] ? do_raw_spin_unlock+0x11d/0x230
[ 154.876452][ T4530] kobject_add_internal+0x662/0xd00
[ 154.881277][ T4311] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 154.881748][ T4530] kobject_init_and_add+0x122/0x190
[ 154.888519][ T4311] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 154.893745][ T4530] ? lockdep_softirqs_off+0x420/0x420
[ 154.893770][ T4530] ? kobject_add+0x210/0x210
[ 154.893788][ T4530] ? __init_swait_queue_head+0xa5/0x150
[ 154.893811][ T4530] gfs2_sys_fs_add+0x234/0x480
[ 154.914321][ T4526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 154.915909][ T4530] ? gfs2_recover_set+0x240/0x240
[ 154.938997][ T4530] ? snprintf+0xd7/0x120
[ 154.943263][ T4530] ? __free_pages+0x95/0x1a0
[ 154.945082][ T4526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 154.947860][ T4530] ? vscnprintf+0x80/0x80
[ 154.958771][ T4530] gfs2_fill_super+0x128d/0x1f50
[ 154.963734][ T4530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 154.968780][ T4530] ? preempt_count_add+0x8d/0x190
[ 154.973831][ T4530] ? sb_set_blocksize+0xa5/0xe0
[ 154.978714][ T4530] get_tree_bdev+0x3f1/0x610
[ 154.983415][ T4530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 154.988452][ T4530] gfs2_get_tree+0x4d/0x1e0
[ 154.993196][ T4530] vfs_get_tree+0x88/0x270
[ 154.997631][ T4530] do_new_mount+0x24a/0xa40
[ 155.002250][ T4530] __se_sys_mount+0x2d6/0x3c0
[ 155.006951][ T4530] ? __x64_sys_mount+0xc0/0xc0
[ 155.011829][ T4530] ? lockdep_hardirqs_on+0x94/0x140
[ 155.017055][ T4530] ? __x64_sys_mount+0x1c/0xc0
[ 155.021842][ T4530] do_syscall_64+0x4c/0xa0
[ 155.026280][ T4530] ? clear_bhb_loop+0x30/0x80
[ 155.030967][ T4530] ? clear_bhb_loop+0x30/0x80
[ 155.035688][ T4530] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 155.041679][ T4530] RIP: 0033:0x7f57061ff30a
[ 155.045591][ T4311] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 157ms
[ 155.046099][ T4530] 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
[ 155.046115][ T4530] RSP: 002b:00007f570546ce68 EFLAGS: 00000246
[ 155.068314][ T4311] gfs2: fsid=syz:syz.0: jid=0: Done
[ 155.073156][ T4530] ORIG_RAX: 00000000000000a5
[ 155.073169][ T4530] RAX: ffffffffffffffda RBX: 00007f570546cef0 RCX: 00007f57061ff30a
[ 155.073181][ T4530] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f570546ceb0
[ 155.073191][ T4530] RBP: 0000200000000000 R08: 00007f570546cef0 R09: 0000000000208c1b
[ 155.073202][ T4530] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 155.073212][ T4530] R13: 00007f570546ceb0 R14: 0000000000012752 R15: 0000200000000940
[ 155.091521][ T4524] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 155.097119][ T4530]
[ 155.135276][ T4530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 155.159462][ T4528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 155.168594][ T4530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 155.189607][ T4528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 155.922808][ T4535] loop4: detected capacity change from 0 to 32768
[ 156.014628][ T4535] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 156.040577][ T4535] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 156.089134][ T4535] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 156.115170][ T4538] loop2: detected capacity change from 0 to 32768
[ 156.130067][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 156.136930][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 156.155174][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 156.196032][ T4538] CPU: 0 PID: 4538 Comm: syz.2.66 Not tainted 5.15.189-syzkaller #0
[ 156.204050][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 156.214119][ T4538] Call Trace:
[ 156.217510][ T4538]
[ 156.220458][ T4538] dump_stack_lvl+0x168/0x230
[ 156.225153][ T4538] ? show_regs_print_info+0x20/0x20
[ 156.230369][ T4538] ? load_image+0x3b0/0x3b0
[ 156.234896][ T4538] sysfs_create_dir_ns+0x252/0x280
[ 156.240026][ T4538] ? __lock_acquire+0x7c60/0x7c60
[ 156.245063][ T4538] ? sysfs_warn_dup+0xa0/0xa0
[ 156.249857][ T4538] ? do_raw_spin_unlock+0x11d/0x230
[ 156.255326][ T4538] kobject_add_internal+0x662/0xd00
[ 156.260730][ T4538] kobject_init_and_add+0x122/0x190
[ 156.265939][ T4538] ? lockdep_softirqs_off+0x420/0x420
[ 156.271676][ T4538] ? kobject_add+0x210/0x210
[ 156.276280][ T4538] ? __init_swait_queue_head+0xa5/0x150
[ 156.281934][ T4538] gfs2_sys_fs_add+0x234/0x480
[ 156.286714][ T4538] ? gfs2_recover_set+0x240/0x240
[ 156.291736][ T4538] ? snprintf+0xd7/0x120
[ 156.295987][ T4538] ? __free_pages+0x95/0x1a0
[ 156.300600][ T4538] ? vscnprintf+0x80/0x80
[ 156.304969][ T4538] gfs2_fill_super+0x128d/0x1f50
[ 156.310013][ T4538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 156.315052][ T4538] ? preempt_count_add+0x8d/0x190
[ 156.320099][ T4538] ? sb_set_blocksize+0xa5/0xe0
[ 156.324980][ T4538] get_tree_bdev+0x3f1/0x610
[ 156.329595][ T4538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 156.334638][ T4538] gfs2_get_tree+0x4d/0x1e0
[ 156.339156][ T4538] vfs_get_tree+0x88/0x270
[ 156.343589][ T4538] do_new_mount+0x24a/0xa40
[ 156.348112][ T4538] __se_sys_mount+0x2d6/0x3c0
[ 156.352802][ T4538] ? __x64_sys_mount+0xc0/0xc0
[ 156.357583][ T4538] ? lockdep_hardirqs_on+0x94/0x140
[ 156.362809][ T4538] ? __x64_sys_mount+0x1c/0xc0
[ 156.367674][ T4538] do_syscall_64+0x4c/0xa0
[ 156.372100][ T4538] ? clear_bhb_loop+0x30/0x80
[ 156.376791][ T4538] ? clear_bhb_loop+0x30/0x80
[ 156.381498][ T4538] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 156.387417][ T4538] RIP: 0033:0x7f1654e5030a
[ 156.391849][ T4538] 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
[ 156.411467][ T4538] RSP: 002b:00007f16540bde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 156.420099][ T4538] RAX: ffffffffffffffda RBX: 00007f16540bdef0 RCX: 00007f1654e5030a
[ 156.428083][ T4538] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f16540bdeb0
[ 156.436068][ T4538] RBP: 0000200000000000 R08: 00007f16540bdef0 R09: 0000000000208c1b
[ 156.444051][ T4538] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 156.452031][ T4538] R13: 00007f16540bdeb0 R14: 0000000000012752 R15: 0000200000000940
[ 156.460026][ T4538]
[ 156.542703][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 405ms
[ 156.560067][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 156.563878][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done
[ 156.577244][ T4545] loop0: detected capacity change from 0 to 32768
[ 156.583872][ T4535] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 156.592474][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 156.634728][ T4543] loop1: detected capacity change from 0 to 32768
[ 156.665947][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 156.677156][ T4543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 156.706231][ T4545] CPU: 1 PID: 4545 Comm: syz.0.69 Not tainted 5.15.189-syzkaller #0
[ 156.714241][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 156.724398][ T4545] Call Trace:
[ 156.727690][ T4545]
[ 156.730638][ T4545] dump_stack_lvl+0x168/0x230
[ 156.735336][ T4545] ? show_regs_print_info+0x20/0x20
[ 156.740547][ T4545] ? load_image+0x3b0/0x3b0
[ 156.745072][ T4545] sysfs_create_dir_ns+0x252/0x280
[ 156.750197][ T4545] ? __lock_acquire+0x7c60/0x7c60
[ 156.755235][ T4545] ? sysfs_warn_dup+0xa0/0xa0
[ 156.759928][ T4545] ? do_raw_spin_unlock+0x11d/0x230
[ 156.765137][ T4545] kobject_add_internal+0x662/0xd00
[ 156.770353][ T4545] kobject_init_and_add+0x122/0x190
[ 156.775573][ T4545] ? lockdep_softirqs_off+0x420/0x420
[ 156.780962][ T4545] ? kobject_add+0x210/0x210
[ 156.785566][ T4545] ? __init_swait_queue_head+0xa5/0x150
[ 156.791129][ T4545] gfs2_sys_fs_add+0x234/0x480
[ 156.795904][ T4545] ? gfs2_recover_set+0x240/0x240
[ 156.801020][ T4545] ? snprintf+0xd7/0x120
[ 156.805267][ T4545] ? __free_pages+0x95/0x1a0
[ 156.809861][ T4545] ? vscnprintf+0x80/0x80
[ 156.814304][ T4545] gfs2_fill_super+0x128d/0x1f50
[ 156.819299][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 156.824336][ T4545] ? preempt_count_add+0x8d/0x190
[ 156.829459][ T4545] ? sb_set_blocksize+0xa5/0xe0
[ 156.834347][ T4545] get_tree_bdev+0x3f1/0x610
[ 156.838937][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 156.843954][ T4545] gfs2_get_tree+0x4d/0x1e0
[ 156.848450][ T4545] vfs_get_tree+0x88/0x270
[ 156.852860][ T4545] do_new_mount+0x24a/0xa40
[ 156.857371][ T4545] __se_sys_mount+0x2d6/0x3c0
[ 156.862043][ T4545] ? __x64_sys_mount+0xc0/0xc0
[ 156.866803][ T4545] ? lockdep_hardirqs_on+0x94/0x140
[ 156.871990][ T4545] ? __x64_sys_mount+0x1c/0xc0
[ 156.876770][ T4545] do_syscall_64+0x4c/0xa0
[ 156.881198][ T4545] ? clear_bhb_loop+0x30/0x80
[ 156.885874][ T4545] ? clear_bhb_loop+0x30/0x80
[ 156.890547][ T4545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 156.896443][ T4545] RIP: 0033:0x7f57061ff30a
[ 156.900870][ T4545] 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
[ 156.920468][ T4545] RSP: 002b:00007f570546ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 156.928973][ T4545] RAX: ffffffffffffffda RBX: 00007f570546cef0 RCX: 00007f57061ff30a
[ 156.936953][ T4545] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f570546ceb0
[ 156.944931][ T4545] RBP: 0000200000000000 R08: 00007f570546cef0 R09: 0000000000208c1b
[ 156.952912][ T4545] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 156.960895][ T4545] R13: 00007f570546ceb0 R14: 0000000000012752 R15: 0000200000000940
[ 156.968885][ T4545]
[ 156.986395][ T4543] CPU: 0 PID: 4543 Comm: syz.1.67 Not tainted 5.15.189-syzkaller #0
[ 156.992209][ T4542] loop3: detected capacity change from 0 to 32768
[ 156.994492][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 157.011059][ T4543] Call Trace:
[ 157.014344][ T4543]
[ 157.017323][ T4543] dump_stack_lvl+0x168/0x230
[ 157.022113][ T4543] ? show_regs_print_info+0x20/0x20
[ 157.027316][ T4543] ? load_image+0x3b0/0x3b0
[ 157.031833][ T4543] sysfs_create_dir_ns+0x252/0x280
[ 157.036957][ T4543] ? __lock_acquire+0x7c60/0x7c60
[ 157.041991][ T4543] ? sysfs_warn_dup+0xa0/0xa0
[ 157.046681][ T4543] ? do_raw_spin_unlock+0x11d/0x230
[ 157.051898][ T4543] kobject_add_internal+0x662/0xd00
[ 157.056300][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 157.057104][ T4543] kobject_init_and_add+0x122/0x190
[ 157.070384][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 157.075450][ T4543] ? lockdep_softirqs_off+0x420/0x420
[ 157.087282][ T4543] ? kobject_add+0x210/0x210
[ 157.091891][ T4543] ? __init_swait_queue_head+0xa5/0x150
[ 157.097452][ T4543] gfs2_sys_fs_add+0x234/0x480
[ 157.102221][ T4543] ? gfs2_recover_set+0x240/0x240
[ 157.107249][ T4543] ? snprintf+0xd7/0x120
[ 157.111481][ T4543] ? __free_pages+0x95/0x1a0
[ 157.116061][ T4543] ? vscnprintf+0x80/0x80
[ 157.120403][ T4543] gfs2_fill_super+0x128d/0x1f50
[ 157.125333][ T4543] ? gfs2_reconfigure+0xcd0/0xcd0
[ 157.130373][ T4543] ? preempt_count_add+0x8d/0x190
[ 157.135497][ T4543] ? sb_set_blocksize+0xa5/0xe0
[ 157.140362][ T4543] get_tree_bdev+0x3f1/0x610
[ 157.144978][ T4543] ? gfs2_reconfigure+0xcd0/0xcd0
[ 157.149993][ T4543] gfs2_get_tree+0x4d/0x1e0
[ 157.154518][ T4543] vfs_get_tree+0x88/0x270
[ 157.158933][ T4543] do_new_mount+0x24a/0xa40
[ 157.163430][ T4543] __se_sys_mount+0x2d6/0x3c0
[ 157.168097][ T4543] ? __x64_sys_mount+0xc0/0xc0
[ 157.172848][ T4543] ? lockdep_hardirqs_on+0x94/0x140
[ 157.178061][ T4543] ? __x64_sys_mount+0x1c/0xc0
[ 157.182824][ T4543] do_syscall_64+0x4c/0xa0
[ 157.187230][ T4543] ? clear_bhb_loop+0x30/0x80
[ 157.191907][ T4543] ? clear_bhb_loop+0x30/0x80
[ 157.196586][ T4543] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 157.202483][ T4543] RIP: 0033:0x7fd7bbe3630a
[ 157.207064][ T4543] 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
[ 157.226847][ T4543] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 157.235363][ T4543] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 157.243349][ T4543] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 157.251332][ T4543] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 157.259320][ T4543] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 157.267405][ T4543] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 157.275496][ T4543]
[ 157.307359][ T4543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 157.321526][ T4542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 157.321794][ T4543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 157.367552][ T4542] CPU: 1 PID: 4542 Comm: syz.3.68 Not tainted 5.15.189-syzkaller #0
[ 157.375648][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 157.385704][ T4542] Call Trace:
[ 157.388980][ T4542]
[ 157.391912][ T4542] dump_stack_lvl+0x168/0x230
[ 157.396694][ T4542] ? show_regs_print_info+0x20/0x20
[ 157.401892][ T4542] ? load_image+0x3b0/0x3b0
[ 157.406404][ T4542] sysfs_create_dir_ns+0x252/0x280
[ 157.411526][ T4542] ? __lock_acquire+0x7c60/0x7c60
[ 157.416564][ T4542] ? sysfs_warn_dup+0xa0/0xa0
[ 157.421261][ T4542] ? do_raw_spin_unlock+0x11d/0x230
[ 157.426501][ T4542] kobject_add_internal+0x662/0xd00
[ 157.431716][ T4542] kobject_init_and_add+0x122/0x190
[ 157.436922][ T4542] ? lockdep_softirqs_off+0x420/0x420
[ 157.442302][ T4542] ? kobject_add+0x210/0x210
[ 157.446893][ T4542] ? __init_swait_queue_head+0xa5/0x150
[ 157.452533][ T4542] gfs2_sys_fs_add+0x234/0x480
[ 157.457319][ T4542] ? gfs2_recover_set+0x240/0x240
[ 157.462375][ T4542] ? snprintf+0xd7/0x120
[ 157.466629][ T4542] ? __free_pages+0x95/0x1a0
[ 157.471239][ T4542] ? vscnprintf+0x80/0x80
[ 157.475588][ T4542] gfs2_fill_super+0x128d/0x1f50
[ 157.480543][ T4542] ? gfs2_reconfigure+0xcd0/0xcd0
[ 157.485575][ T4542] ? preempt_count_add+0x8d/0x190
[ 157.490611][ T4542] ? sb_set_blocksize+0xa5/0xe0
[ 157.495598][ T4542] get_tree_bdev+0x3f1/0x610
[ 157.500192][ T4542] ? gfs2_reconfigure+0xcd0/0xcd0
[ 157.505315][ T4542] gfs2_get_tree+0x4d/0x1e0
[ 157.509821][ T4542] vfs_get_tree+0x88/0x270
[ 157.514247][ T4542] do_new_mount+0x24a/0xa40
[ 157.518848][ T4542] __se_sys_mount+0x2d6/0x3c0
[ 157.523539][ T4542] ? __x64_sys_mount+0xc0/0xc0
[ 157.528320][ T4542] ? lockdep_hardirqs_on+0x94/0x140
[ 157.533529][ T4542] ? __x64_sys_mount+0x1c/0xc0
[ 157.538306][ T4542] do_syscall_64+0x4c/0xa0
[ 157.542742][ T4542] ? clear_bhb_loop+0x30/0x80
[ 157.547429][ T4542] ? clear_bhb_loop+0x30/0x80
[ 157.552116][ T4542] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 157.558026][ T4542] RIP: 0033:0x7f9f93b3330a
[ 157.562485][ T4542] 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
[ 157.582103][ T4542] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 157.590529][ T4542] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 157.598509][ T4542] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 157.606495][ T4542] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
[ 157.614476][ T4542] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 157.622456][ T4542] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 157.630517][ T4542]
[ 157.681765][ T4542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 157.714970][ T4542] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/04 13:09:02 executed programs: 65
[ 157.973473][ T4548] loop2: detected capacity change from 0 to 32768
[ 158.109947][ T4548] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 158.159893][ T4548] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 158.189250][ T4548] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 158.216919][ T4381] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 158.234189][ T4381] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 158.351423][ T4381] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 117ms
[ 158.375925][ T4381] gfs2: fsid=syz:syz.0: jid=0: Done
[ 158.396524][ T4548] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 158.483457][ T4550] loop0: detected capacity change from 0 to 32768
[ 158.512260][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 158.526522][ T4550] CPU: 1 PID: 4550 Comm: syz.0.72 Not tainted 5.15.189-syzkaller #0
[ 158.534626][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 158.544776][ T4550] Call Trace:
[ 158.548061][ T4550]
[ 158.550993][ T4550] dump_stack_lvl+0x168/0x230
[ 158.555683][ T4550] ? show_regs_print_info+0x20/0x20
[ 158.560982][ T4550] ? load_image+0x3b0/0x3b0
[ 158.565612][ T4550] sysfs_create_dir_ns+0x252/0x280
[ 158.570732][ T4550] ? __lock_acquire+0x7c60/0x7c60
[ 158.575764][ T4550] ? sysfs_warn_dup+0xa0/0xa0
[ 158.580458][ T4550] ? do_raw_spin_unlock+0x11d/0x230
[ 158.585675][ T4550] kobject_add_internal+0x662/0xd00
[ 158.590895][ T4550] kobject_init_and_add+0x122/0x190
[ 158.596295][ T4550] ? lockdep_softirqs_off+0x420/0x420
[ 158.601681][ T4550] ? kobject_add+0x210/0x210
[ 158.606277][ T4550] ? __init_swait_queue_head+0xa5/0x150
[ 158.611832][ T4550] gfs2_sys_fs_add+0x234/0x480
[ 158.616605][ T4550] ? gfs2_recover_set+0x240/0x240
[ 158.621718][ T4550] ? snprintf+0xd7/0x120
[ 158.626055][ T4550] ? __free_pages+0x95/0x1a0
[ 158.630656][ T4550] ? vscnprintf+0x80/0x80
[ 158.635001][ T4550] gfs2_fill_super+0x128d/0x1f50
[ 158.639950][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 158.645005][ T4550] ? preempt_count_add+0x8d/0x190
[ 158.650156][ T4550] ? sb_set_blocksize+0xa5/0xe0
[ 158.655024][ T4550] get_tree_bdev+0x3f1/0x610
[ 158.659621][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 158.664657][ T4550] gfs2_get_tree+0x4d/0x1e0
[ 158.669180][ T4550] vfs_get_tree+0x88/0x270
[ 158.673601][ T4550] do_new_mount+0x24a/0xa40
[ 158.678124][ T4550] __se_sys_mount+0x2d6/0x3c0
[ 158.682823][ T4550] ? __x64_sys_mount+0xc0/0xc0
[ 158.687688][ T4550] ? lockdep_hardirqs_on+0x94/0x140
[ 158.692897][ T4550] ? __x64_sys_mount+0x1c/0xc0
[ 158.697672][ T4550] do_syscall_64+0x4c/0xa0
[ 158.702097][ T4550] ? clear_bhb_loop+0x30/0x80
[ 158.706778][ T4550] ? clear_bhb_loop+0x30/0x80
[ 158.711465][ T4550] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 158.717368][ T4550] RIP: 0033:0x7f57061ff30a
[ 158.721798][ T4550] 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
[ 158.741497][ T4550] RSP: 002b:00007f570546ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 158.749923][ T4550] RAX: ffffffffffffffda RBX: 00007f570546cef0 RCX: 00007f57061ff30a
[ 158.757910][ T4550] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f570546ceb0
[ 158.765888][ T4550] RBP: 0000200000000000 R08: 00007f570546cef0 R09: 0000000000208c1b
[ 158.773865][ T4550] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 158.781856][ T4550] R13: 00007f570546ceb0 R14: 0000000000012752 R15: 0000200000000940
[ 158.789983][ T4550]
[ 158.850447][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 158.864308][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 158.997469][ T4552] loop4: detected capacity change from 0 to 32768
[ 159.077227][ T4554] loop3: detected capacity change from 0 to 32768
[ 159.106745][ T4552] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 159.124531][ T4554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 159.129936][ T4552] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 159.138951][ T4554] CPU: 0 PID: 4554 Comm: syz.3.73 Not tainted 5.15.189-syzkaller #0
[ 159.146948][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 159.157269][ T4554] Call Trace:
[ 159.160558][ T4554]
[ 159.162692][ T4552] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 159.163488][ T4554] dump_stack_lvl+0x168/0x230
[ 159.163514][ T4554] ? show_regs_print_info+0x20/0x20
[ 159.163532][ T4554] ? load_image+0x3b0/0x3b0
[ 159.163558][ T4554] sysfs_create_dir_ns+0x252/0x280
[ 159.163578][ T4554] ? __lock_acquire+0x7c60/0x7c60
[ 159.163598][ T4554] ? sysfs_warn_dup+0xa0/0xa0
[ 159.163619][ T4554] ? do_raw_spin_unlock+0x11d/0x230
[ 159.163640][ T4554] kobject_add_internal+0x662/0xd00
[ 159.163664][ T4554] kobject_init_and_add+0x122/0x190
[ 159.163680][ T4554] ? lockdep_softirqs_off+0x420/0x420
[ 159.163702][ T4554] ? kobject_add+0x210/0x210
[ 159.163723][ T4554] ? __init_swait_queue_head+0xa5/0x150
[ 159.163746][ T4554] gfs2_sys_fs_add+0x234/0x480
[ 159.163767][ T4554] ? gfs2_recover_set+0x240/0x240
[ 159.163784][ T4554] ? snprintf+0xd7/0x120
[ 159.163801][ T4554] ? __free_pages+0x95/0x1a0
[ 159.163822][ T4554] ? vscnprintf+0x80/0x80
[ 159.163850][ T4554] gfs2_fill_super+0x128d/0x1f50
[ 159.163874][ T4554] ? gfs2_reconfigure+0xcd0/0xcd0
[ 159.163894][ T4554] ? preempt_count_add+0x8d/0x190
[ 159.163922][ T4554] ? sb_set_blocksize+0xa5/0xe0
[ 159.163943][ T4554] get_tree_bdev+0x3f1/0x610
[ 159.163962][ T4554] ? gfs2_reconfigure+0xcd0/0xcd0
[ 159.182215][ T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 159.185918][ T4554] gfs2_get_tree+0x4d/0x1e0
[ 159.196060][ T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 159.200752][ T4554] vfs_get_tree+0x88/0x270
[ 159.200776][ T4554] do_new_mount+0x24a/0xa40
[ 159.200799][ T4554] __se_sys_mount+0x2d6/0x3c0
[ 159.256338][ T4556] loop1: detected capacity change from 0 to 32768
[ 159.259701][ T4554] ? __x64_sys_mount+0xc0/0xc0
[ 159.259728][ T4554] ? lockdep_hardirqs_on+0x94/0x140
[ 159.307102][ T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 111ms
[ 159.311184][ T4554] ? __x64_sys_mount+0x1c/0xc0
[ 159.311216][ T4554] do_syscall_64+0x4c/0xa0
[ 159.311234][ T4554] ? clear_bhb_loop+0x30/0x80
[ 159.331997][ T21] gfs2: fsid=syz:syz.0: jid=0: Done
[ 159.332306][ T4554] ? clear_bhb_loop+0x30/0x80
[ 159.363491][ T4554] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 159.368585][ T4552] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 159.369396][ T4554] RIP: 0033:0x7f9f93b3330a
[ 159.380974][ T4554] 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
[ 159.400844][ T4554] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 159.409271][ T4554] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 159.417259][ T4554] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 159.425243][ T4554] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
[ 159.433306][ T4554] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 159.441459][ T4554] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 159.449539][ T4554]
[ 159.493115][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 159.510889][ T4556] CPU: 0 PID: 4556 Comm: syz.1.74 Not tainted 5.15.189-syzkaller #0
[ 159.518910][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 159.528987][ T4556] Call Trace:
[ 159.532278][ T4556]
[ 159.535392][ T4556] dump_stack_lvl+0x168/0x230
[ 159.540124][ T4556] ? show_regs_print_info+0x20/0x20
[ 159.545510][ T4556] ? load_image+0x3b0/0x3b0
[ 159.550035][ T4556] sysfs_create_dir_ns+0x252/0x280
[ 159.555173][ T4556] ? __lock_acquire+0x7c60/0x7c60
[ 159.560215][ T4556] ? sysfs_warn_dup+0xa0/0xa0
[ 159.564911][ T4556] ? do_raw_spin_unlock+0x11d/0x230
[ 159.570123][ T4556] kobject_add_internal+0x662/0xd00
[ 159.575352][ T4556] kobject_init_and_add+0x122/0x190
[ 159.580566][ T4556] ? lockdep_softirqs_off+0x420/0x420
[ 159.586004][ T4556] ? kobject_add+0x210/0x210
[ 159.590616][ T4556] ? __init_swait_queue_head+0xa5/0x150
[ 159.596444][ T4556] gfs2_sys_fs_add+0x234/0x480
[ 159.601224][ T4556] ? gfs2_recover_set+0x240/0x240
[ 159.606260][ T4556] ? snprintf+0xd7/0x120
[ 159.610513][ T4556] ? __free_pages+0x95/0x1a0
[ 159.615110][ T4556] ? vscnprintf+0x80/0x80
[ 159.619456][ T4556] gfs2_fill_super+0x128d/0x1f50
[ 159.624524][ T4556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 159.629567][ T4556] ? preempt_count_add+0x8d/0x190
[ 159.634610][ T4556] ? sb_set_blocksize+0xa5/0xe0
[ 159.639479][ T4556] get_tree_bdev+0x3f1/0x610
[ 159.644166][ T4556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 159.649202][ T4556] gfs2_get_tree+0x4d/0x1e0
[ 159.653725][ T4556] vfs_get_tree+0x88/0x270
[ 159.658147][ T4556] do_new_mount+0x24a/0xa40
[ 159.662658][ T4556] __se_sys_mount+0x2d6/0x3c0
[ 159.667344][ T4556] ? __x64_sys_mount+0xc0/0xc0
[ 159.670048][ T4554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 159.672106][ T4556] ? lockdep_hardirqs_on+0x94/0x140
[ 159.672145][ T4556] ? __x64_sys_mount+0x1c/0xc0
[ 159.695154][ T4556] do_syscall_64+0x4c/0xa0
[ 159.695835][ T4554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 159.699569][ T4556] ? clear_bhb_loop+0x30/0x80
[ 159.710707][ T4556] ? clear_bhb_loop+0x30/0x80
[ 159.715388][ T4556] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 159.721286][ T4556] RIP: 0033:0x7fd7bbe3630a
[ 159.725448][ T4558] loop2: detected capacity change from 0 to 32768
[ 159.725724][ T4556] 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
[ 159.751712][ T4556] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 159.760118][ T4556] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 159.768076][ T4556] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 159.776034][ T4556] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 159.783995][ T4556] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 159.791952][ T4556] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 159.799918][ T4556]
[ 159.819980][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 159.833288][ T4558] CPU: 1 PID: 4558 Comm: syz.2.75 Not tainted 5.15.189-syzkaller #0
[ 159.841299][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 159.851364][ T4558] Call Trace:
[ 159.854656][ T4558]
[ 159.857584][ T4558] dump_stack_lvl+0x168/0x230
[ 159.862278][ T4558] ? show_regs_print_info+0x20/0x20
[ 159.867489][ T4558] ? load_image+0x3b0/0x3b0
[ 159.872031][ T4558] sysfs_create_dir_ns+0x252/0x280
[ 159.877245][ T4558] ? __lock_acquire+0x7c60/0x7c60
[ 159.882283][ T4558] ? sysfs_warn_dup+0xa0/0xa0
[ 159.886976][ T4558] ? do_raw_spin_unlock+0x11d/0x230
[ 159.892184][ T4558] kobject_add_internal+0x662/0xd00
[ 159.897398][ T4558] kobject_init_and_add+0x122/0x190
[ 159.902692][ T4558] ? lockdep_softirqs_off+0x420/0x420
[ 159.908077][ T4558] ? kobject_add+0x210/0x210
[ 159.912767][ T4558] ? __init_swait_queue_head+0xa5/0x150
[ 159.918457][ T4558] gfs2_sys_fs_add+0x234/0x480
[ 159.923244][ T4558] ? gfs2_recover_set+0x240/0x240
[ 159.928277][ T4558] ? snprintf+0xd7/0x120
[ 159.932532][ T4558] ? __free_pages+0x95/0x1a0
[ 159.937204][ T4558] ? vscnprintf+0x80/0x80
[ 159.941603][ T4558] gfs2_fill_super+0x128d/0x1f50
[ 159.946566][ T4558] ? gfs2_reconfigure+0xcd0/0xcd0
[ 159.951601][ T4558] ? preempt_count_add+0x8d/0x190
[ 159.956643][ T4558] ? sb_set_blocksize+0xa5/0xe0
[ 159.961504][ T4558] get_tree_bdev+0x3f1/0x610
[ 159.966106][ T4558] ? gfs2_reconfigure+0xcd0/0xcd0
[ 159.971140][ T4558] gfs2_get_tree+0x4d/0x1e0
[ 159.975653][ T4558] vfs_get_tree+0x88/0x270
[ 159.976719][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 159.980077][ T4558] do_new_mount+0x24a/0xa40
[ 159.980104][ T4558] __se_sys_mount+0x2d6/0x3c0
[ 159.980124][ T4558] ? __x64_sys_mount+0xc0/0xc0
[ 159.980142][ T4558] ? lockdep_hardirqs_on+0x94/0x140
[ 159.980158][ T4558] ? __x64_sys_mount+0x1c/0xc0
[ 159.980176][ T4558] do_syscall_64+0x4c/0xa0
[ 159.980193][ T4558] ? clear_bhb_loop+0x30/0x80
[ 159.980209][ T4558] ? clear_bhb_loop+0x30/0x80
[ 159.980225][ T4558] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 159.999325][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 160.002553][ T4558] RIP: 0033:0x7f1654e5030a
[ 160.002573][ T4558] 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
[ 160.002585][ T4558] RSP: 002b:00007f16540bde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 160.002603][ T4558] RAX: ffffffffffffffda RBX: 00007f16540bdef0 RCX: 00007f1654e5030a
[ 160.002615][ T4558] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f16540bdeb0
[ 160.002626][ T4558] RBP: 0000200000000000 R08: 00007f16540bdef0 R09: 0000000000208c1b
[ 160.100108][ T4558] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 160.108097][ T4558] R13: 00007f16540bdeb0 R14: 0000000000012752 R15: 0000200000000940
[ 160.116090][ T4558]
[ 160.141994][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 160.160559][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 160.910925][ T4560] loop0: detected capacity change from 0 to 32768
[ 160.937363][ T4562] loop4: detected capacity change from 0 to 32768
[ 160.962063][ T4560] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 160.984455][ T4560] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 160.988407][ T4564] loop3: detected capacity change from 0 to 32768
[ 161.011212][ T4562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 161.023752][ T4562] CPU: 1 PID: 4562 Comm: syz.4.77 Not tainted 5.15.189-syzkaller #0
[ 161.031763][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 161.041828][ T4562] Call Trace:
[ 161.045114][ T4562]
[ 161.048050][ T4562] dump_stack_lvl+0x168/0x230
[ 161.052745][ T4562] ? show_regs_print_info+0x20/0x20
[ 161.058154][ T4562] ? load_image+0x3b0/0x3b0
[ 161.062669][ T4562] sysfs_create_dir_ns+0x252/0x280
[ 161.067780][ T4562] ? __lock_acquire+0x7c60/0x7c60
[ 161.072832][ T4562] ? sysfs_warn_dup+0xa0/0xa0
[ 161.077515][ T4562] ? do_raw_spin_unlock+0x11d/0x230
[ 161.082711][ T4562] kobject_add_internal+0x662/0xd00
[ 161.087914][ T4562] kobject_init_and_add+0x122/0x190
[ 161.093115][ T4562] ? lockdep_softirqs_off+0x420/0x420
[ 161.098496][ T4562] ? kobject_add+0x210/0x210
[ 161.103096][ T4562] ? __init_swait_queue_head+0xa5/0x150
[ 161.108654][ T4562] gfs2_sys_fs_add+0x234/0x480
[ 161.113425][ T4562] ? gfs2_recover_set+0x240/0x240
[ 161.118464][ T4562] ? snprintf+0xd7/0x120
[ 161.122724][ T4562] ? __free_pages+0x95/0x1a0
[ 161.127329][ T4562] ? vscnprintf+0x80/0x80
[ 161.131688][ T4562] gfs2_fill_super+0x128d/0x1f50
[ 161.136664][ T4562] ? gfs2_reconfigure+0xcd0/0xcd0
[ 161.141707][ T4562] ? preempt_count_add+0x8d/0x190
[ 161.146755][ T4562] ? sb_set_blocksize+0xa5/0xe0
[ 161.151615][ T4562] get_tree_bdev+0x3f1/0x610
[ 161.156220][ T4562] ? gfs2_reconfigure+0xcd0/0xcd0
[ 161.161259][ T4562] gfs2_get_tree+0x4d/0x1e0
[ 161.165776][ T4562] vfs_get_tree+0x88/0x270
[ 161.170202][ T4562] do_new_mount+0x24a/0xa40
[ 161.174721][ T4562] __se_sys_mount+0x2d6/0x3c0
[ 161.179419][ T4562] ? __x64_sys_mount+0xc0/0xc0
[ 161.184193][ T4562] ? lockdep_hardirqs_on+0x94/0x140
[ 161.189400][ T4562] ? __x64_sys_mount+0x1c/0xc0
[ 161.194204][ T4562] do_syscall_64+0x4c/0xa0
[ 161.198637][ T4562] ? clear_bhb_loop+0x30/0x80
[ 161.203316][ T4562] ? clear_bhb_loop+0x30/0x80
[ 161.207997][ T4562] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 161.213900][ T4562] RIP: 0033:0x7fb129ef030a
[ 161.218333][ T4562] 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
[ 161.238030][ T4562] RSP: 002b:00007fb12915de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 161.246456][ T4562] RAX: ffffffffffffffda RBX: 00007fb12915def0 RCX: 00007fb129ef030a
[ 161.254438][ T4562] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fb12915deb0
[ 161.262419][ T4562] RBP: 0000200000000000 R08: 00007fb12915def0 R09: 0000000000208c1b
[ 161.270418][ T4562] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 161.278399][ T4562] R13: 00007fb12915deb0 R14: 0000000000012752 R15: 0000200000000940
[ 161.286394][ T4562]
[ 161.293657][ T4562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 161.305889][ T4560] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 161.307062][ T4562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 161.323545][ T4564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 161.335343][ T4564] CPU: 1 PID: 4564 Comm: syz.3.78 Not tainted 5.15.189-syzkaller #0
[ 161.343354][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 161.353439][ T4564] Call Trace:
[ 161.356719][ T4564]
[ 161.359645][ T4564] dump_stack_lvl+0x168/0x230
[ 161.364333][ T4564] ? show_regs_print_info+0x20/0x20
[ 161.369545][ T4564] ? load_image+0x3b0/0x3b0
[ 161.374063][ T4564] sysfs_create_dir_ns+0x252/0x280
[ 161.379187][ T4564] ? __lock_acquire+0x7c60/0x7c60
[ 161.384225][ T4564] ? sysfs_warn_dup+0xa0/0xa0
[ 161.388916][ T4564] ? do_raw_spin_unlock+0x11d/0x230
[ 161.394130][ T4564] kobject_add_internal+0x662/0xd00
[ 161.394300][ T1108] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 161.399341][ T4564] kobject_init_and_add+0x122/0x190
[ 161.411818][ T4564] ? lockdep_softirqs_off+0x420/0x420
[ 161.417242][ T4564] ? kobject_add+0x210/0x210
[ 161.421935][ T4564] ? __init_swait_queue_head+0xa5/0x150
[ 161.427494][ T4564] gfs2_sys_fs_add+0x234/0x480
[ 161.432282][ T4564] ? gfs2_recover_set+0x240/0x240
[ 161.437312][ T4564] ? snprintf+0xd7/0x120
[ 161.441566][ T4564] ? __free_pages+0x95/0x1a0
[ 161.446163][ T4564] ? vscnprintf+0x80/0x80
[ 161.450517][ T4564] gfs2_fill_super+0x128d/0x1f50
[ 161.455472][ T4564] ? gfs2_reconfigure+0xcd0/0xcd0
[ 161.460544][ T4564] ? preempt_count_add+0x8d/0x190
[ 161.465583][ T4564] ? sb_set_blocksize+0xa5/0xe0
[ 161.470443][ T4564] get_tree_bdev+0x3f1/0x610
[ 161.473946][ T1108] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 161.475038][ T4564] ? gfs2_reconfigure+0xcd0/0xcd0
[ 161.486707][ T4564] gfs2_get_tree+0x4d/0x1e0
[ 161.491240][ T4564] vfs_get_tree+0x88/0x270
[ 161.495677][ T4564] do_new_mount+0x24a/0xa40
[ 161.500201][ T4564] __se_sys_mount+0x2d6/0x3c0
[ 161.505049][ T4564] ? __x64_sys_mount+0xc0/0xc0
[ 161.509826][ T4564] ? lockdep_hardirqs_on+0x94/0x140
[ 161.515028][ T4564] ? __x64_sys_mount+0x1c/0xc0
[ 161.519806][ T4564] do_syscall_64+0x4c/0xa0
[ 161.524235][ T4564] ? clear_bhb_loop+0x30/0x80
[ 161.528917][ T4564] ? clear_bhb_loop+0x30/0x80
[ 161.533600][ T4564] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 161.539515][ T4564] RIP: 0033:0x7f9f93b3330a
[ 161.543938][ T4564] 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
[ 161.563551][ T4564] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 161.571992][ T4564] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 161.577781][ T4568] loop2: detected capacity change from 0 to 32768
[ 161.579963][ T4564] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 161.579977][ T4564] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
[ 161.579988][ T4564] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 161.579997][ T4564] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 161.580021][ T4564]
[ 161.680253][ T4567] loop1: detected capacity change from 0 to 32768
[ 161.681217][ T1108] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 207ms
[ 161.687303][ T4564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 161.720547][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 161.734776][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 161.740023][ T1108] gfs2: fsid=syz:syz.0: jid=0: Done
[ 161.756013][ T4567] CPU: 1 PID: 4567 Comm: syz.1.80 Not tainted 5.15.189-syzkaller #0
[ 161.764032][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 161.774093][ T4567] Call Trace:
[ 161.777377][ T4567]
[ 161.780327][ T4567] dump_stack_lvl+0x168/0x230
[ 161.782299][ T4560] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 161.785126][ T4567] ? show_regs_print_info+0x20/0x20
[ 161.797486][ T4567] ? load_image+0x3b0/0x3b0
[ 161.802012][ T4567] sysfs_create_dir_ns+0x252/0x280
[ 161.807134][ T4567] ? __lock_acquire+0x7c60/0x7c60
[ 161.812164][ T4567] ? sysfs_warn_dup+0xa0/0xa0
[ 161.816945][ T4567] ? do_raw_spin_unlock+0x11d/0x230
[ 161.822169][ T4567] kobject_add_internal+0x662/0xd00
[ 161.827393][ T4567] kobject_init_and_add+0x122/0x190
[ 161.832600][ T4567] ? lockdep_softirqs_off+0x420/0x420
[ 161.837986][ T4567] ? kobject_add+0x210/0x210
[ 161.842593][ T4567] ? __init_swait_queue_head+0xa5/0x150
[ 161.848159][ T4567] gfs2_sys_fs_add+0x234/0x480
[ 161.852938][ T4567] ? gfs2_recover_set+0x240/0x240
[ 161.857966][ T4567] ? snprintf+0xd7/0x120
[ 161.862218][ T4567] ? __free_pages+0x95/0x1a0
[ 161.866818][ T4567] ? vscnprintf+0x80/0x80
[ 161.871162][ T4567] gfs2_fill_super+0x128d/0x1f50
[ 161.876117][ T4567] ? gfs2_reconfigure+0xcd0/0xcd0
[ 161.881251][ T4567] ? preempt_count_add+0x8d/0x190
[ 161.886376][ T4567] ? sb_set_blocksize+0xa5/0xe0
[ 161.891234][ T4567] get_tree_bdev+0x3f1/0x610
[ 161.895844][ T4567] ? gfs2_reconfigure+0xcd0/0xcd0
[ 161.900883][ T4567] gfs2_get_tree+0x4d/0x1e0
[ 161.905401][ T4567] vfs_get_tree+0x88/0x270
[ 161.909823][ T4567] do_new_mount+0x24a/0xa40
[ 161.914354][ T4567] __se_sys_mount+0x2d6/0x3c0
[ 161.919050][ T4567] ? __x64_sys_mount+0xc0/0xc0
[ 161.923830][ T4567] ? lockdep_hardirqs_on+0x94/0x140
[ 161.929039][ T4567] ? __x64_sys_mount+0x1c/0xc0
[ 161.934199][ T4567] do_syscall_64+0x4c/0xa0
[ 161.938635][ T4567] ? clear_bhb_loop+0x30/0x80
[ 161.943320][ T4567] ? clear_bhb_loop+0x30/0x80
[ 161.948007][ T4567] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 161.953993][ T4567] RIP: 0033:0x7fd7bbe3630a
[ 161.958418][ T4567] 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
[ 161.978037][ T4567] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 161.986571][ T4567] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 161.994554][ T4567] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 162.002530][ T4567] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 162.010504][ T4567] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 162.018496][ T4567] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 162.026572][ T4567]
[ 162.029584][ T4568] CPU: 0 PID: 4568 Comm: syz.2.79 Not tainted 5.15.189-syzkaller #0
[ 162.037748][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 162.047808][ T4568] Call Trace:
[ 162.051094][ T4568]
[ 162.054034][ T4568] dump_stack_lvl+0x168/0x230
[ 162.058728][ T4568] ? show_regs_print_info+0x20/0x20
[ 162.063933][ T4568] ? load_image+0x3b0/0x3b0
[ 162.068466][ T4568] sysfs_create_dir_ns+0x252/0x280
[ 162.073593][ T4568] ? __lock_acquire+0x7c60/0x7c60
[ 162.078642][ T4568] ? sysfs_warn_dup+0xa0/0xa0
[ 162.083430][ T4568] ? do_raw_spin_unlock+0x11d/0x230
[ 162.087656][ T4564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 162.088639][ T4568] kobject_add_internal+0x662/0xd00
[ 162.100568][ T4568] kobject_init_and_add+0x122/0x190
[ 162.105780][ T4568] ? lockdep_softirqs_off+0x420/0x420
[ 162.111170][ T4568] ? kobject_add+0x210/0x210
[ 162.115769][ T4568] ? __init_swait_queue_head+0xa5/0x150
[ 162.121338][ T4568] gfs2_sys_fs_add+0x234/0x480
[ 162.126117][ T4568] ? gfs2_recover_set+0x240/0x240
[ 162.131181][ T4568] ? snprintf+0xd7/0x120
[ 162.134573][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 162.135425][ T4568] ? __free_pages+0x95/0x1a0
[ 162.148625][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 162.153105][ T4568] ? vscnprintf+0x80/0x80
[ 162.153136][ T4568] gfs2_fill_super+0x128d/0x1f50
[ 162.168864][ T4568] ? gfs2_reconfigure+0xcd0/0xcd0
[ 162.174031][ T4568] ? preempt_count_add+0x8d/0x190
[ 162.179094][ T4568] ? sb_set_blocksize+0xa5/0xe0
[ 162.183963][ T4568] get_tree_bdev+0x3f1/0x610
[ 162.188561][ T4568] ? gfs2_reconfigure+0xcd0/0xcd0
[ 162.193596][ T4568] gfs2_get_tree+0x4d/0x1e0
[ 162.198113][ T4568] vfs_get_tree+0x88/0x270
[ 162.202539][ T4568] do_new_mount+0x24a/0xa40
[ 162.207060][ T4568] __se_sys_mount+0x2d6/0x3c0
[ 162.211750][ T4568] ? __x64_sys_mount+0xc0/0xc0
[ 162.216524][ T4568] ? lockdep_hardirqs_on+0x94/0x140
[ 162.221729][ T4568] ? __x64_sys_mount+0x1c/0xc0
[ 162.226499][ T4568] do_syscall_64+0x4c/0xa0
[ 162.230919][ T4568] ? clear_bhb_loop+0x30/0x80
[ 162.235600][ T4568] ? clear_bhb_loop+0x30/0x80
[ 162.240287][ T4568] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 162.246191][ T4568] RIP: 0033:0x7f1654e5030a
[ 162.250611][ T4568] 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
[ 162.270216][ T4568] RSP: 002b:00007f16540bde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 162.278644][ T4568] RAX: ffffffffffffffda RBX: 00007f16540bdef0 RCX: 00007f1654e5030a
[ 162.286715][ T4568] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f16540bdeb0
[ 162.294687][ T4568] RBP: 0000200000000000 R08: 00007f16540bdef0 R09: 0000000000208c1b
[ 162.302658][ T4568] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 162.310622][ T4568] R13: 00007f16540bdeb0 R14: 0000000000012752 R15: 0000200000000940
[ 162.318762][ T4568]
[ 162.354595][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 162.370656][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 162.730783][ T4571] loop4: detected capacity change from 0 to 32768
[ 162.768933][ T4571] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
2025/08/04 13:09:07 executed programs: 76
[ 162.779929][ T4571] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 162.820166][ T4571] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 162.872115][ T13] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 162.879317][ T13] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 163.030218][ T13] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 150ms
[ 163.037887][ T13] gfs2: fsid=syz:syz.0: jid=0: Done
[ 163.089929][ T4571] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 163.330525][ T4573] loop0: detected capacity change from 0 to 32768
[ 163.377134][ T4573] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 163.406304][ T4573] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 163.451513][ T4573] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 163.476206][ T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 163.493359][ T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 163.614460][ T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 121ms
[ 163.642709][ T21] gfs2: fsid=syz:syz.0: jid=0: Done
[ 163.647971][ T4573] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 163.650271][ T4575] loop3: detected capacity change from 0 to 32768
[ 163.752351][ T4575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 163.781275][ T4575] CPU: 0 PID: 4575 Comm: syz.3.83 Not tainted 5.15.189-syzkaller #0
[ 163.789298][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 163.799362][ T4575] Call Trace:
[ 163.802643][ T4575]
[ 163.805579][ T4575] dump_stack_lvl+0x168/0x230
[ 163.810357][ T4575] ? show_regs_print_info+0x20/0x20
[ 163.815560][ T4575] ? load_image+0x3b0/0x3b0
[ 163.820085][ T4575] sysfs_create_dir_ns+0x252/0x280
[ 163.825208][ T4575] ? __lock_acquire+0x7c60/0x7c60
[ 163.830244][ T4575] ? sysfs_warn_dup+0xa0/0xa0
[ 163.834952][ T4575] ? do_raw_spin_unlock+0x11d/0x230
[ 163.840199][ T4575] kobject_add_internal+0x662/0xd00
[ 163.845424][ T4575] kobject_init_and_add+0x122/0x190
[ 163.850627][ T4575] ? lockdep_softirqs_off+0x420/0x420
[ 163.856012][ T4575] ? kobject_add+0x210/0x210
[ 163.860611][ T4575] ? __init_swait_queue_head+0xa5/0x150
[ 163.866253][ T4575] gfs2_sys_fs_add+0x234/0x480
[ 163.871023][ T4575] ? gfs2_recover_set+0x240/0x240
[ 163.876047][ T4575] ? snprintf+0xd7/0x120
[ 163.880294][ T4575] ? __free_pages+0x95/0x1a0
[ 163.884889][ T4575] ? vscnprintf+0x80/0x80
[ 163.889244][ T4575] gfs2_fill_super+0x128d/0x1f50
[ 163.894194][ T4575] ? gfs2_reconfigure+0xcd0/0xcd0
[ 163.899405][ T4575] ? preempt_count_add+0x8d/0x190
[ 163.904796][ T4575] ? sb_set_blocksize+0xa5/0xe0
[ 163.906182][ T4578] loop1: detected capacity change from 0 to 32768
[ 163.909744][ T4575] get_tree_bdev+0x3f1/0x610
[ 163.921001][ T4575] ? gfs2_reconfigure+0xcd0/0xcd0
[ 163.926036][ T4575] gfs2_get_tree+0x4d/0x1e0
[ 163.929635][ T4579] loop2: detected capacity change from 0 to 32768
[ 163.930539][ T4575] vfs_get_tree+0x88/0x270
[ 163.930562][ T4575] do_new_mount+0x24a/0xa40
[ 163.930585][ T4575] __se_sys_mount+0x2d6/0x3c0
[ 163.950715][ T4575] ? __x64_sys_mount+0xc0/0xc0
[ 163.955489][ T4575] ? lockdep_hardirqs_on+0x94/0x140
[ 163.960690][ T4575] ? __x64_sys_mount+0x1c/0xc0
[ 163.965458][ T4575] do_syscall_64+0x4c/0xa0
[ 163.970130][ T4575] ? clear_bhb_loop+0x30/0x80
[ 163.974805][ T4575] ? clear_bhb_loop+0x30/0x80
[ 163.979493][ T4575] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 163.985390][ T4575] RIP: 0033:0x7f9f93b3330a
[ 163.989890][ T4575] 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
[ 164.009500][ T4575] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 164.018013][ T4575] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 164.025997][ T4575] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 164.034067][ T4575] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
[ 164.042049][ T4575] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 164.050033][ T4575] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 164.058110][ T4575]
[ 164.113340][ T4578] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 164.131806][ T4579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 164.138747][ T4575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 164.148933][ T4579] CPU: 0 PID: 4579 Comm: syz.2.85 Not tainted 5.15.189-syzkaller #0
[ 164.152686][ T4575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 164.160385][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 164.160397][ T4579] Call Trace:
[ 164.160403][ T4579]
[ 164.160410][ T4579] dump_stack_lvl+0x168/0x230
[ 164.160435][ T4579] ? show_regs_print_info+0x20/0x20
[ 164.160452][ T4579] ? load_image+0x3b0/0x3b0
[ 164.160481][ T4579] sysfs_create_dir_ns+0x252/0x280
[ 164.160500][ T4579] ? __lock_acquire+0x7c60/0x7c60
[ 164.160521][ T4579] ? sysfs_warn_dup+0xa0/0xa0
[ 164.160543][ T4579] ? do_raw_spin_unlock+0x11d/0x230
[ 164.160563][ T4579] kobject_add_internal+0x662/0xd00
[ 164.160587][ T4579] kobject_init_and_add+0x122/0x190
[ 164.160604][ T4579] ? lockdep_softirqs_off+0x420/0x420
[ 164.160625][ T4579] ? kobject_add+0x210/0x210
[ 164.160646][ T4579] ? __init_swait_queue_head+0xa5/0x150
[ 164.160669][ T4579] gfs2_sys_fs_add+0x234/0x480
[ 164.160688][ T4579] ? gfs2_recover_set+0x240/0x240
[ 164.160704][ T4579] ? snprintf+0xd7/0x120
[ 164.160722][ T4579] ? __free_pages+0x95/0x1a0
[ 164.160742][ T4579] ? vscnprintf+0x80/0x80
[ 164.160771][ T4579] gfs2_fill_super+0x128d/0x1f50
[ 164.160799][ T4579] ? gfs2_reconfigure+0xcd0/0xcd0
[ 164.168756][ T4578] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 164.177301][ T4579] ? preempt_count_add+0x8d/0x190
[ 164.177334][ T4579] ? sb_set_blocksize+0xa5/0xe0
[ 164.185355][ T4578] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 164.188191][ T4579] get_tree_bdev+0x3f1/0x610
[ 164.194540][ T4380] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 164.197855][ T4579] ? gfs2_reconfigure+0xcd0/0xcd0
[ 164.213094][ T4380] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 164.218011][ T4579] gfs2_get_tree+0x4d/0x1e0
[ 164.218040][ T4579] vfs_get_tree+0x88/0x270
[ 164.218060][ T4579] do_new_mount+0x24a/0xa40
[ 164.320590][ T4380] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 107ms
[ 164.324168][ T4579] __se_sys_mount+0x2d6/0x3c0
[ 164.324199][ T4579] ? __x64_sys_mount+0xc0/0xc0
[ 164.324219][ T4579] ? lockdep_hardirqs_on+0x94/0x140
[ 164.330460][ T4380] gfs2: fsid=syz:syz.0: jid=0: Done
[ 164.333205][ T4579] ? __x64_sys_mount+0x1c/0xc0
[ 164.337727][ T4578] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 164.345208][ T4579] do_syscall_64+0x4c/0xa0
[ 164.345229][ T4579] ? clear_bhb_loop+0x30/0x80
[ 164.345244][ T4579] ? clear_bhb_loop+0x30/0x80
[ 164.345260][ T4579] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 164.345278][ T4579] RIP: 0033:0x7f1654e5030a
[ 164.401652][ T4579] 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
[ 164.421353][ T4579] RSP: 002b:00007f16540bde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 164.429874][ T4579] RAX: ffffffffffffffda RBX: 00007f16540bdef0 RCX: 00007f1654e5030a
[ 164.437999][ T4579] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f16540bdeb0
[ 164.445989][ T4579] RBP: 0000200000000000 R08: 00007f16540bdef0 R09: 0000000000208c1b
[ 164.453980][ T4579] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 164.462217][ T4579] R13: 00007f16540bdeb0 R14: 0000000000012752 R15: 0000200000000940
[ 164.470207][ T4579]
[ 164.479359][ T4579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 164.493526][ T4579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 164.526880][ T4581] loop4: detected capacity change from 0 to 32768
[ 164.577633][ T4581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 164.597994][ T4581] CPU: 0 PID: 4581 Comm: syz.4.86 Not tainted 5.15.189-syzkaller #0
[ 164.606007][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 164.616075][ T4581] Call Trace:
[ 164.619369][ T4581]
[ 164.622309][ T4581] dump_stack_lvl+0x168/0x230
[ 164.627001][ T4581] ? show_regs_print_info+0x20/0x20
[ 164.632206][ T4581] ? load_image+0x3b0/0x3b0
[ 164.636724][ T4581] sysfs_create_dir_ns+0x252/0x280
[ 164.641859][ T4581] ? __lock_acquire+0x7c60/0x7c60
[ 164.646904][ T4581] ? sysfs_warn_dup+0xa0/0xa0
[ 164.651600][ T4581] ? do_raw_spin_unlock+0x11d/0x230
[ 164.656822][ T4581] kobject_add_internal+0x662/0xd00
[ 164.662051][ T4581] kobject_init_and_add+0x122/0x190
[ 164.667263][ T4581] ? lockdep_softirqs_off+0x420/0x420
[ 164.672763][ T4581] ? kobject_add+0x210/0x210
[ 164.677365][ T4581] ? __init_swait_queue_head+0xa5/0x150
[ 164.682958][ T4581] gfs2_sys_fs_add+0x234/0x480
[ 164.687739][ T4581] ? gfs2_recover_set+0x240/0x240
[ 164.692774][ T4581] ? snprintf+0xd7/0x120
[ 164.697028][ T4581] ? __free_pages+0x95/0x1a0
[ 164.701636][ T4581] ? vscnprintf+0x80/0x80
[ 164.706119][ T4581] gfs2_fill_super+0x128d/0x1f50
[ 164.711087][ T4581] ? gfs2_reconfigure+0xcd0/0xcd0
[ 164.716175][ T4581] ? preempt_count_add+0x8d/0x190
[ 164.721240][ T4581] ? sb_set_blocksize+0xa5/0xe0
[ 164.726105][ T4581] get_tree_bdev+0x3f1/0x610
[ 164.730719][ T4581] ? gfs2_reconfigure+0xcd0/0xcd0
[ 164.735984][ T4581] gfs2_get_tree+0x4d/0x1e0
[ 164.740503][ T4581] vfs_get_tree+0x88/0x270
[ 164.744943][ T4581] do_new_mount+0x24a/0xa40
[ 164.749457][ T4581] __se_sys_mount+0x2d6/0x3c0
[ 164.754152][ T4581] ? __x64_sys_mount+0xc0/0xc0
[ 164.758927][ T4581] ? lockdep_hardirqs_on+0x94/0x140
[ 164.764142][ T4581] ? __x64_sys_mount+0x1c/0xc0
[ 164.768921][ T4581] do_syscall_64+0x4c/0xa0
[ 164.773357][ T4581] ? clear_bhb_loop+0x30/0x80
[ 164.778043][ T4581] ? clear_bhb_loop+0x30/0x80
[ 164.782732][ T4581] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 164.788643][ T4581] RIP: 0033:0x7fb129ef030a
[ 164.793066][ T4581] 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
[ 164.812789][ T4581] RSP: 002b:00007fb12915de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 164.821333][ T4581] RAX: ffffffffffffffda RBX: 00007fb12915def0 RCX: 00007fb129ef030a
[ 164.829312][ T4581] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fb12915deb0
[ 164.837308][ T4581] RBP: 0000200000000000 R08: 00007fb12915def0 R09: 0000000000208c1b
[ 164.845295][ T4581] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 164.853335][ T4581] R13: 00007fb12915deb0 R14: 0000000000012752 R15: 0000200000000940
[ 164.861335][ T4581]
[ 164.922600][ T4581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 164.936030][ T4581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 165.515229][ T4583] loop0: detected capacity change from 0 to 32768
[ 165.593501][ T4583] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 165.609940][ T4583] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 165.636538][ T4583] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 165.662220][ T4311] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 165.669187][ T4311] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 165.696394][ T4585] loop3: detected capacity change from 0 to 32768
[ 165.748453][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 165.783114][ T4587] loop1: detected capacity change from 0 to 32768
[ 165.799271][ T4311] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 130ms
[ 165.805971][ T4585] CPU: 1 PID: 4585 Comm: syz.3.89 Not tainted 5.15.189-syzkaller #0
[ 165.814881][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 165.824941][ T4585] Call Trace:
[ 165.828229][ T4585]
[ 165.831211][ T4585] dump_stack_lvl+0x168/0x230
[ 165.835925][ T4585] ? show_regs_print_info+0x20/0x20
[ 165.841145][ T4585] ? load_image+0x3b0/0x3b0
[ 165.841786][ T4311] gfs2: fsid=syz:syz.0: jid=0: Done
[ 165.845843][ T4585] sysfs_create_dir_ns+0x252/0x280
[ 165.856115][ T4585] ? __lock_acquire+0x7c60/0x7c60
[ 165.861158][ T4585] ? sysfs_warn_dup+0xa0/0xa0
[ 165.865955][ T4585] ? do_raw_spin_unlock+0x11d/0x230
[ 165.871167][ T4585] kobject_add_internal+0x662/0xd00
[ 165.876469][ T4585] kobject_init_and_add+0x122/0x190
[ 165.879991][ T4583] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 165.881687][ T4585] ? lockdep_softirqs_off+0x420/0x420
[ 165.894429][ T4585] ? kobject_add+0x210/0x210
[ 165.899127][ T4585] ? __init_swait_queue_head+0xa5/0x150
[ 165.904691][ T4585] gfs2_sys_fs_add+0x234/0x480
[ 165.909591][ T4585] ? gfs2_recover_set+0x240/0x240
[ 165.914635][ T4585] ? snprintf+0xd7/0x120
[ 165.918974][ T4585] ? __free_pages+0x95/0x1a0
[ 165.923593][ T4585] ? vscnprintf+0x80/0x80
[ 165.927951][ T4585] gfs2_fill_super+0x128d/0x1f50
[ 165.933025][ T4585] ? gfs2_reconfigure+0xcd0/0xcd0
[ 165.938104][ T4585] ? preempt_count_add+0x8d/0x190
[ 165.943326][ T4585] ? sb_set_blocksize+0xa5/0xe0
[ 165.948189][ T4585] get_tree_bdev+0x3f1/0x610
[ 165.952793][ T4585] ? gfs2_reconfigure+0xcd0/0xcd0
[ 165.957880][ T4585] gfs2_get_tree+0x4d/0x1e0
[ 165.962481][ T4585] vfs_get_tree+0x88/0x270
[ 165.966909][ T4585] do_new_mount+0x24a/0xa40
[ 165.971434][ T4585] __se_sys_mount+0x2d6/0x3c0
[ 165.976127][ T4585] ? __x64_sys_mount+0xc0/0xc0
[ 165.980910][ T4585] ? lockdep_hardirqs_on+0x94/0x140
[ 165.986127][ T4585] ? __x64_sys_mount+0x1c/0xc0
[ 165.990995][ T4585] do_syscall_64+0x4c/0xa0
[ 165.995540][ T4585] ? clear_bhb_loop+0x30/0x80
[ 166.000227][ T4585] ? clear_bhb_loop+0x30/0x80
[ 166.004913][ T4585] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 166.010817][ T4585] RIP: 0033:0x7f9f93b3330a
[ 166.015256][ T4585] 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
[ 166.035333][ T4585] RSP: 002b:00007f9f92da0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 166.043760][ T4585] RAX: ffffffffffffffda RBX: 00007f9f92da0ef0 RCX: 00007f9f93b3330a
[ 166.051744][ T4585] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f9f92da0eb0
[ 166.059723][ T4585] RBP: 0000200000000000 R08: 00007f9f92da0ef0 R09: 0000000000208c1b
[ 166.067705][ T4585] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 166.072859][ T4589] loop2: detected capacity change from 0 to 32768
[ 166.075708][ T4585] R13: 00007f9f92da0eb0 R14: 0000000000012752 R15: 0000200000000940
[ 166.075736][ T4585]
[ 166.094683][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 166.109227][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 166.111808][ T4583] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready
[ 166.140003][ T4587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 166.147406][ T4587] CPU: 0 PID: 4587 Comm: syz.1.88 Not tainted 5.15.189-syzkaller #0
[ 166.155391][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 166.165453][ T4587] Call Trace:
[ 166.168741][ T4587]
[ 166.171769][ T4587] dump_stack_lvl+0x168/0x230
[ 166.176459][ T4587] ? show_regs_print_info+0x20/0x20
[ 166.181664][ T4587] ? load_image+0x3b0/0x3b0
[ 166.186185][ T4587] sysfs_create_dir_ns+0x252/0x280
[ 166.191308][ T4587] ? __lock_acquire+0x7c60/0x7c60
[ 166.196351][ T4587] ? sysfs_warn_dup+0xa0/0xa0
[ 166.201046][ T4587] ? do_raw_spin_unlock+0x11d/0x230
[ 166.206257][ T4587] kobject_add_internal+0x662/0xd00
[ 166.211477][ T4587] kobject_init_and_add+0x122/0x190
[ 166.216690][ T4587] ? lockdep_softirqs_off+0x420/0x420
[ 166.222192][ T4587] ? kobject_add+0x210/0x210
[ 166.226803][ T4587] ? __init_swait_queue_head+0xa5/0x150
[ 166.232377][ T4587] gfs2_sys_fs_add+0x234/0x480
[ 166.237159][ T4587] ? gfs2_recover_set+0x240/0x240
[ 166.242189][ T4587] ? snprintf+0xd7/0x120
[ 166.246432][ T4587] ? __free_pages+0x95/0x1a0
[ 166.251026][ T4587] ? vscnprintf+0x80/0x80
[ 166.253257][ T4592] ==================================================================
[ 166.255383][ T4587] gfs2_fill_super+0x128d/0x1f50
[ 166.263644][ T4592] BUG: KASAN: use-after-free in rose_transmit_link+0x5b0/0x730
[ 166.268579][ T4587] ? gfs2_reconfigure+0xcd0/0xcd0
[ 166.276083][ T4592] Read of size 1 at addr ffff88807188b032 by task syz.0.87/4592
[ 166.281089][ T4587] ? preempt_count_add+0x8d/0x190
[ 166.288860][ T4592]
[ 166.296202][ T4587] ? sb_set_blocksize+0xa5/0xe0
[ 166.301055][ T4587] get_tree_bdev+0x3f1/0x610
[ 166.305640][ T4587] ? gfs2_reconfigure+0xcd0/0xcd0
[ 166.310698][ T4587] gfs2_get_tree+0x4d/0x1e0
[ 166.315195][ T4587] vfs_get_tree+0x88/0x270
[ 166.319599][ T4587] do_new_mount+0x24a/0xa40
[ 166.324101][ T4587] __se_sys_mount+0x2d6/0x3c0
[ 166.328778][ T4587] ? __x64_sys_mount+0xc0/0xc0
[ 166.333538][ T4587] ? lockdep_hardirqs_on+0x94/0x140
[ 166.338720][ T4587] ? __x64_sys_mount+0x1c/0xc0
[ 166.343470][ T4587] do_syscall_64+0x4c/0xa0
[ 166.347874][ T4587] ? clear_bhb_loop+0x30/0x80
[ 166.352627][ T4587] ? clear_bhb_loop+0x30/0x80
[ 166.357291][ T4587] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 166.363269][ T4587] RIP: 0033:0x7fd7bbe3630a
[ 166.367718][ T4587] 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
[ 166.387756][ T4587] RSP: 002b:00007fd7bb0a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 166.396161][ T4587] RAX: ffffffffffffffda RBX: 00007fd7bb0a3ef0 RCX: 00007fd7bbe3630a
[ 166.404304][ T4587] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007fd7bb0a3eb0
[ 166.412497][ T4587] RBP: 0000200000000000 R08: 00007fd7bb0a3ef0 R09: 0000000000208c1b
[ 166.420470][ T4587] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 166.428447][ T4587] R13: 00007fd7bb0a3eb0 R14: 0000000000012752 R15: 0000200000000940
[ 166.436446][ T4587]
[ 166.439473][ T4592] CPU: 1 PID: 4592 Comm: syz.0.87 Not tainted 5.15.189-syzkaller #0
[ 166.447461][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 166.450942][ T4587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 166.457524][ T4592] Call Trace:
[ 166.470916][ T4587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 166.474119][ T4592]
[ 166.483797][ T4592] dump_stack_lvl+0x168/0x230
[ 166.488478][ T4592] ? show_regs_print_info+0x20/0x20
[ 166.493666][ T4592] ? _printk+0xcc/0x110
[ 166.497843][ T4592] ? load_image+0x3b0/0x3b0
[ 166.502343][ T4592] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 166.508084][ T4592] print_address_description+0x60/0x2d0
[ 166.513795][ T4592] ? rose_transmit_link+0x5b0/0x730
[ 166.519020][ T4592] kasan_report+0xdf/0x130
[ 166.523625][ T4592] ? rose_transmit_link+0x5b0/0x730
[ 166.528836][ T4592] ? __phys_addr+0xb6/0x170
[ 166.533355][ T4592] rose_transmit_link+0x5b0/0x730
[ 166.538518][ T4592] ? skb_put+0x117/0x210
[ 166.542909][ T4592] rose_write_internal+0x673/0x1e80
[ 166.548126][ T4592] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 166.554039][ T4592] ? rose_validate_nr+0x120/0x120
[ 166.559079][ T4592] ? del_timer+0x11a/0x1b0
[ 166.563523][ T4592] ? skb_queue_purge+0x62/0x290
[ 166.568410][ T4592] rose_release+0x22a/0x4e0
[ 166.572943][ T4592] sock_close+0xd5/0x240
[ 166.577209][ T4592] ? sock_mmap+0x90/0x90
[ 166.581461][ T4592] __fput+0x234/0x930
[ 166.585463][ T4592] task_work_run+0x125/0x1a0
[ 166.590067][ T4592] get_signal+0x1222/0x12c0
[ 166.594593][ T4592] arch_do_signal_or_restart+0xc1/0x1300
[ 166.600261][ T4592] ? kick_process+0xd4/0x140
[ 166.604871][ T4592] ? task_work_add+0x1a7/0x1d0
[ 166.609655][ T4592] ? get_sigframe_size+0x10/0x10
[ 166.614606][ T4592] ? __sys_connect+0x239/0x410
[ 166.619396][ T4592] ? exit_to_user_mode_loop+0x3b/0x130
[ 166.624874][ T4592] exit_to_user_mode_loop+0x9e/0x130
[ 166.630281][ T4592] exit_to_user_mode_prepare+0xb1/0x140
[ 166.635851][ T4592] syscall_exit_to_user_mode+0x16/0x40
[ 166.641331][ T4592] do_syscall_64+0x58/0xa0
[ 166.645860][ T4592] ? clear_bhb_loop+0x30/0x80
[ 166.650572][ T4592] ? clear_bhb_loop+0x30/0x80
[ 166.655291][ T4592] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 166.661290][ T4592] RIP: 0033:0x7f57061fdb69
[ 166.665708][ T4592] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 166.668293][ T4594] loop4: detected capacity change from 0 to 32768
[ 166.685593][ T4592] RSP: 002b:00007f570544c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 166.685618][ T4592] RAX: fffffffffffffe00 RBX: 00007f5706425080 RCX: 00007f57061fdb69
[ 166.685628][ T4592] RDX: 0000000000000040 RSI: 0000200000000100 RDI: 0000000000000009
[ 166.685638][ T4592] RBP: 00007f5706280df1 R08: 0000000000000000 R09: 0000000000000000
[ 166.685647][ T4592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 166.685656][ T4592] R13: 0000000000000000 R14: 00007f5706425080 R15: 00007ffdd2b84518
[ 166.685680][ T4592]
[ 166.685687][ T4592]
[ 166.685691][ T4592] Allocated by task 4496:
[ 166.685700][ T4592] __kasan_kmalloc+0xb5/0xf0
[ 166.685720][ T4592] rose_add_node+0x227/0xdb0
[ 166.685736][ T4592] rose_rt_ioctl+0x9db/0xe20
[ 166.685749][ T4592] rose_ioctl+0x27a/0x790
[ 166.768203][ T4592] sock_do_ioctl+0xd3/0x2f0
[ 166.772819][ T4592] sock_ioctl+0x4ed/0x6e0
[ 166.777155][ T4592] __se_sys_ioctl+0xfa/0x170
[ 166.781726][ T4592] do_syscall_64+0x4c/0xa0
[ 166.786131][ T4592] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 166.792025][ T4592]
[ 166.794340][ T4592] Freed by task 4590:
[ 166.798293][ T4592] kasan_set_track+0x4b/0x70
[ 166.802862][ T4592] kasan_set_free_info+0x1f/0x40
[ 166.807801][ T4592] ____kasan_slab_free+0xd5/0x110
[ 166.812815][ T4592] slab_free_freelist_hook+0xea/0x170
[ 166.818271][ T4592] kfree+0xef/0x2a0
[ 166.822145][ T4592] rose_rt_device_down+0x4e2/0x530
[ 166.827231][ T4592] rose_device_event+0x5ec/0x680
[ 166.832510][ T4592] raw_notifier_call_chain+0xcb/0x160
[ 166.837877][ T4592] __dev_notify_flags+0x178/0x2d0
[ 166.842886][ T4592] dev_change_flags+0xe3/0x1a0
[ 166.847641][ T4592] dev_ifsioc+0x147/0xe70
[ 166.851958][ T4592] dev_ioctl+0x55f/0xe50
[ 166.856184][ T4592] sock_do_ioctl+0x222/0x2f0
[ 166.860851][ T4592] sock_ioctl+0x4ed/0x6e0
[ 166.865180][ T4592] __se_sys_ioctl+0xfa/0x170
[ 166.869761][ T4592] do_syscall_64+0x4c/0xa0
[ 166.874162][ T4592] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 166.880045][ T4592]
[ 166.882367][ T4592] The buggy address belongs to the object at ffff88807188b000
[ 166.882367][ T4592] which belongs to the cache kmalloc-512 of size 512
[ 166.896397][ T4592] The buggy address is located 50 bytes inside of
[ 166.896397][ T4592] 512-byte region [ffff88807188b000, ffff88807188b200)
[ 166.909566][ T4592] The buggy address belongs to the page:
[ 166.915195][ T4592] page:ffffea0001c62200 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888071888400 pfn:0x71888
[ 166.926632][ T4592] head:ffffea0001c62200 order:2 compound_mapcount:0 compound_pincount:0
[ 166.935024][ T4592] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 166.942994][ T4592] raw: 00fff00000010200 ffffea0001c68108 ffffea00006c7008 ffff888016841c80
[ 166.951788][ T4592] raw: ffff888071888400 000000000010000b 00000001ffffffff 0000000000000000
[ 166.960563][ T4592] page dumped because: kasan: bad access detected
[ 166.967100][ T4592] page_owner tracks the page as allocated
[ 166.972845][ T4592] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 4328, ts 125917488006, free_ts 123001424287
[ 166.993728][ T4592] get_page_from_freelist+0x1b77/0x1c60
[ 166.999265][ T4592] __alloc_pages+0x1e1/0x470
[ 167.003861][ T4592] new_slab+0xc0/0x4b0
[ 167.007910][ T4592] ___slab_alloc+0x81e/0xdf0
[ 167.012476][ T4592] kmem_cache_alloc_trace+0x1a5/0x2a0
[ 167.017837][ T4592] device_add+0xba/0xfb0
[ 167.022079][ T4592] netdev_register_kobject+0x176/0x310
[ 167.027693][ T4592] register_netdevice+0x1019/0x16b0
[ 167.032874][ T4592] veth_newlink+0x8ed/0xda0
[ 167.037379][ T4592] rtnl_newlink+0x114c/0x17d0
[ 167.042035][ T4592] rtnetlink_rcv_msg+0x9b9/0xe60
[ 167.047052][ T4592] netlink_rcv_skb+0x1e0/0x430
[ 167.051809][ T4592] netlink_unicast+0x774/0x920
[ 167.056658][ T4592] netlink_sendmsg+0x8ab/0xbc0
[ 167.061546][ T4592] __sys_sendto+0x423/0x580
[ 167.066039][ T4592] __x64_sys_sendto+0xda/0xf0
[ 167.070789][ T4592] page last free stack trace:
[ 167.075455][ T4592] free_unref_page_prepare+0x637/0x6c0
[ 167.080898][ T4592] free_unref_page+0x94/0x280
[ 167.085566][ T4592] __vunmap+0x8ab/0xa40
[ 167.089701][ T4592] kcov_close+0x27/0x50
[ 167.093931][ T4592] __fput+0x234/0x930
[ 167.097908][ T4592] task_work_run+0x125/0x1a0
[ 167.102482][ T4592] do_exit+0x61e/0x20a0
[ 167.106623][ T4592] do_group_exit+0x12e/0x300
[ 167.111224][ T4592] get_signal+0x6ca/0x12c0
[ 167.115646][ T4592] arch_do_signal_or_restart+0xc1/0x1300
[ 167.121351][ T4592] exit_to_user_mode_loop+0x9e/0x130
[ 167.126645][ T4592] exit_to_user_mode_prepare+0xb1/0x140
[ 167.132207][ T4592] syscall_exit_to_user_mode+0x16/0x40
[ 167.137860][ T4592] do_syscall_64+0x58/0xa0
[ 167.142372][ T4592] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 167.148264][ T4592]
[ 167.150582][ T4592] Memory state around the buggy address:
[ 167.156315][ T4592] ffff88807188af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 167.164462][ T4592] ffff88807188af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 167.172682][ T4592] >ffff88807188b000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 167.180872][ T4592] ^
[ 167.186485][ T4592] ffff88807188b080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 167.194547][ T4592] ffff88807188b100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 167.202691][ T4592] ==================================================================
[ 167.210770][ T4592] Disabling lock debugging due to kernel taint
[ 167.224785][ T4592] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 167.231832][ T4589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 167.232006][ T4592] CPU: 0 PID: 4592 Comm: syz.0.87 Tainted: G B 5.15.189-syzkaller #0
[ 167.248694][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 167.258746][ T4592] Call Trace:
[ 167.262027][ T4592]
[ 167.264964][ T4592] dump_stack_lvl+0x168/0x230
[ 167.269649][ T4592] ? show_regs_print_info+0x20/0x20
[ 167.274858][ T4592] ? load_image+0x3b0/0x3b0
[ 167.279404][ T4592] panic+0x2c9/0x7f0
[ 167.283293][ T4592] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 167.289438][ T4592] ? bpf_jit_dump+0xd0/0xd0
[ 167.293942][ T4592] ? _raw_spin_unlock_irqrestore+0xf6/0x100
[ 167.299843][ T4592] ? _raw_spin_unlock+0x40/0x40
[ 167.304686][ T4592] ? rose_transmit_link+0x5b0/0x730
[ 167.309890][ T4592] check_panic_on_warn+0x80/0xa0
[ 167.314827][ T4592] ? rose_transmit_link+0x5b0/0x730
[ 167.320020][ T4592] end_report+0x6d/0xf0
[ 167.324285][ T4592] kasan_report+0x102/0x130
[ 167.328780][ T4592] ? rose_transmit_link+0x5b0/0x730
[ 167.333966][ T4592] ? __phys_addr+0xb6/0x170
[ 167.338502][ T4592] rose_transmit_link+0x5b0/0x730
[ 167.343524][ T4592] ? skb_put+0x117/0x210
[ 167.347757][ T4592] rose_write_internal+0x673/0x1e80
[ 167.352941][ T4592] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 167.358833][ T4592] ? rose_validate_nr+0x120/0x120
[ 167.363859][ T4592] ? del_timer+0x11a/0x1b0
[ 167.368266][ T4592] ? skb_queue_purge+0x62/0x290
[ 167.373109][ T4592] rose_release+0x22a/0x4e0
[ 167.377694][ T4592] sock_close+0xd5/0x240
[ 167.382012][ T4592] ? sock_mmap+0x90/0x90
[ 167.386244][ T4592] __fput+0x234/0x930
[ 167.390221][ T4592] task_work_run+0x125/0x1a0
[ 167.394798][ T4592] get_signal+0x1222/0x12c0
[ 167.399294][ T4592] arch_do_signal_or_restart+0xc1/0x1300
[ 167.404913][ T4592] ? kick_process+0xd4/0x140
[ 167.409491][ T4592] ? task_work_add+0x1a7/0x1d0
[ 167.414237][ T4592] ? get_sigframe_size+0x10/0x10
[ 167.419156][ T4592] ? __sys_connect+0x239/0x410
[ 167.423991][ T4592] ? exit_to_user_mode_loop+0x3b/0x130
[ 167.429434][ T4592] exit_to_user_mode_loop+0x9e/0x130
[ 167.434722][ T4592] exit_to_user_mode_prepare+0xb1/0x140
[ 167.440272][ T4592] syscall_exit_to_user_mode+0x16/0x40
[ 167.445736][ T4592] do_syscall_64+0x58/0xa0
[ 167.450149][ T4592] ? clear_bhb_loop+0x30/0x80
[ 167.454843][ T4592] ? clear_bhb_loop+0x30/0x80
[ 167.459510][ T4592] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 167.465401][ T4592] RIP: 0033:0x7f57061fdb69
[ 167.469804][ T4592] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 167.489485][ T4592] RSP: 002b:00007f570544c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 167.498150][ T4592] RAX: fffffffffffffe00 RBX: 00007f5706425080 RCX: 00007f57061fdb69
[ 167.506335][ T4592] RDX: 0000000000000040 RSI: 0000200000000100 RDI: 0000000000000009
[ 167.514312][ T4592] RBP: 00007f5706280df1 R08: 0000000000000000 R09: 0000000000000000
[ 167.522271][ T4592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 167.530236][ T4592] R13: 0000000000000000 R14: 00007f5706425080 R15: 00007ffdd2b84518
[ 167.538214][ T4592]
[ 167.541309][ T4589] CPU: 1 PID: 4589 Comm: syz.2.90 Tainted: G B 5.15.189-syzkaller #0
[ 167.550673][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 167.560968][ T4589] Call Trace:
[ 167.564237][ T4589]
[ 167.567243][ T4589] dump_stack_lvl+0x168/0x230
[ 167.571923][ T4589] ? show_regs_print_info+0x20/0x20
[ 167.577115][ T4589] ? load_image+0x3b0/0x3b0
[ 167.581608][ T4589] sysfs_create_dir_ns+0x252/0x280
[ 167.586706][ T4589] ? __lock_acquire+0x7c60/0x7c60
[ 167.591737][ T4589] ? sysfs_warn_dup+0xa0/0xa0
[ 167.596408][ T4589] ? do_raw_spin_unlock+0x11d/0x230
[ 167.601616][ T4589] kobject_add_internal+0x662/0xd00
[ 167.606895][ T4589] kobject_init_and_add+0x122/0x190
[ 167.612083][ T4589] ? lockdep_softirqs_off+0x420/0x420
[ 167.617530][ T4589] ? kobject_add+0x210/0x210
[ 167.622107][ T4589] ? __init_swait_queue_head+0xa5/0x150
[ 167.627644][ T4589] gfs2_sys_fs_add+0x234/0x480
[ 167.632395][ T4589] ? gfs2_recover_set+0x240/0x240
[ 167.637400][ T4589] ? snprintf+0xd7/0x120
[ 167.641630][ T4589] ? __free_pages+0x95/0x1a0
[ 167.646206][ T4589] ? vscnprintf+0x80/0x80
[ 167.650522][ T4589] gfs2_fill_super+0x128d/0x1f50
[ 167.655450][ T4589] ? gfs2_reconfigure+0xcd0/0xcd0
[ 167.660461][ T4589] ? preempt_count_add+0x8d/0x190
[ 167.665473][ T4589] ? sb_set_blocksize+0xa5/0xe0
[ 167.670317][ T4589] get_tree_bdev+0x3f1/0x610
[ 167.674892][ T4589] ? gfs2_reconfigure+0xcd0/0xcd0
[ 167.679899][ T4589] gfs2_get_tree+0x4d/0x1e0
[ 167.684384][ T4589] vfs_get_tree+0x88/0x270
[ 167.688788][ T4589] do_new_mount+0x24a/0xa40
[ 167.693278][ T4589] __se_sys_mount+0x2d6/0x3c0
[ 167.697974][ T4589] ? __x64_sys_mount+0xc0/0xc0
[ 167.702734][ T4589] ? rcu_is_watching+0x11/0xa0
[ 167.707488][ T4589] ? __x64_sys_mount+0x1c/0xc0
[ 167.712234][ T4589] do_syscall_64+0x4c/0xa0
[ 167.716724][ T4589] ? clear_bhb_loop+0x30/0x80
[ 167.721391][ T4589] ? clear_bhb_loop+0x30/0x80
[ 167.726050][ T4589] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 167.731929][ T4589] RIP: 0033:0x7f1654e5030a
[ 167.736327][ T4589] 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
[ 167.756002][ T4589] RSP: 002b:00007f16540bde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.764398][ T4589] RAX: ffffffffffffffda RBX: 00007f16540bdef0 RCX: 00007f1654e5030a
[ 167.772375][ T4589] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f16540bdeb0
[ 167.780329][ T4589] RBP: 0000200000000000 R08: 00007f16540bdef0 R09: 0000000000208c1b
[ 167.788293][ T4589] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[ 167.796254][ T4589] R13: 00007f16540bdeb0 R14: 0000000000012752 R15: 0000200000000940
[ 167.804214][ T4589]
[ 167.807400][ T4592] Kernel Offset: disabled
[ 167.811736][ T4592] Rebooting in 86400 seconds..