[ 468.170995][ T9216] loop4: detected capacity change from 0 to 32768 [ 468.244305][ T9216] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 468.346545][ T9216] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 468.454030][ T9216] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 468.483014][ T1227] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 468.490992][ T1227] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 468.575870][ T1227] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 84ms [ 468.604004][ T1227] gfs2: fsid=syz:syz.0: jid=0: Done [ 468.627109][ T9216] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 468.769198][ T9218] loop2: detected capacity change from 0 to 32768 [ 468.840060][ T9218] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 468.905586][ T9218] CPU: 1 UID: 0 PID: 9218 Comm: syz.2.536 Not tainted syzkaller #0 PREEMPT(full) [ 468.905614][ T9218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 468.905626][ T9218] Call Trace: [ 468.905635][ T9218] [ 468.905643][ T9218] dump_stack_lvl+0x189/0x250 [ 468.905682][ T9218] ? __pfx_dump_stack_lvl+0x10/0x10 [ 468.905704][ T9218] ? __pfx__printk+0x10/0x10 [ 468.905735][ T9218] ? kernfs_path_from_node+0x250/0x290 [ 468.905754][ T9218] ? kernfs_path_from_node+0x2f/0x290 [ 468.905779][ T9218] sysfs_create_dir_ns+0x259/0x280 [ 468.905803][ T9218] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 468.905826][ T9218] ? do_raw_spin_unlock+0x122/0x240 [ 468.905858][ T9218] kobject_add_internal+0x59f/0xb40 [ 468.905889][ T9218] kobject_init_and_add+0x125/0x190 [ 468.905917][ T9218] ? __pfx_kobject_init_and_add+0x10/0x10 [ 468.905941][ T9218] ? __raw_spin_lock_init+0x45/0x100 [ 468.905962][ T9218] ? __init_swait_queue_head+0xa9/0x150 [ 468.905987][ T9218] gfs2_sys_fs_add+0x234/0x450 [ 468.906011][ T9218] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 468.906038][ T9218] ? is_dynamic_key+0xd6/0x1c0 [ 468.906060][ T9218] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 468.906097][ T9218] gfs2_fill_super+0x13c0/0x20d0 [ 468.906139][ T9218] ? __pfx_gfs2_fill_super+0x10/0x10 [ 468.906167][ T9218] ? sb_set_blocksize+0x104/0x180 [ 468.906190][ T9218] ? setup_bdev_super+0x4c1/0x5b0 [ 468.906219][ T9218] get_tree_bdev_flags+0x40e/0x4d0 [ 468.906243][ T9218] ? __pfx_gfs2_fill_super+0x10/0x10 [ 468.906267][ T9218] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 468.906290][ T9218] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 468.906320][ T9218] gfs2_get_tree+0x51/0x1e0 [ 468.906348][ T9218] vfs_get_tree+0x92/0x2b0 [ 468.906375][ T9218] do_new_mount+0x302/0xa10 [ 468.906398][ T9218] ? apparmor_capable+0x137/0x1b0 [ 468.906426][ T9218] ? __pfx_do_new_mount+0x10/0x10 [ 468.906452][ T9218] ? ns_capable+0x8a/0xf0 [ 468.906480][ T9218] ? kmem_cache_free+0x19a/0x690 [ 468.906516][ T9218] __se_sys_mount+0x313/0x410 [ 468.906548][ T9218] ? __pfx___se_sys_mount+0x10/0x10 [ 468.906578][ T9218] ? do_syscall_64+0xbe/0xfa0 [ 468.906596][ T9218] ? __x64_sys_mount+0x20/0xc0 [ 468.906624][ T9218] do_syscall_64+0xfa/0xfa0 [ 468.906641][ T9218] ? lockdep_hardirqs_on+0x9c/0x150 [ 468.906666][ T9218] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 468.906684][ T9218] ? clear_bhb_loop+0x60/0xb0 [ 468.906707][ T9218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 468.906724][ T9218] RIP: 0033:0x7fd9c479038a [ 468.906742][ T9218] 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 [ 468.906759][ T9218] RSP: 002b:00007fd9c55a2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 468.906780][ T9218] RAX: ffffffffffffffda RBX: 00007fd9c55a2ef0 RCX: 00007fd9c479038a [ 468.906794][ T9218] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd9c55a2eb0 [ 468.906807][ T9218] RBP: 000020000001f680 R08: 00007fd9c55a2ef0 R09: 0000000000000084 [ 468.906820][ T9218] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 468.906833][ T9218] R13: 00007fd9c55a2eb0 R14: 000000000001f790 R15: 00002000000001c0 [ 468.906865][ T9218] [ 469.281515][ T9218] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 469.318980][ T9224] loop3: detected capacity change from 0 to 32768 [ 469.358122][ T9224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 469.365539][ T9224] CPU: 1 UID: 0 PID: 9224 Comm: syz.3.537 Not tainted syzkaller #0 PREEMPT(full) [ 469.365563][ T9224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 469.365575][ T9224] Call Trace: [ 469.365583][ T9224] [ 469.365592][ T9224] dump_stack_lvl+0x189/0x250 [ 469.365622][ T9224] ? __pfx_dump_stack_lvl+0x10/0x10 [ 469.365645][ T9224] ? __pfx__printk+0x10/0x10 [ 469.365675][ T9224] ? kernfs_path_from_node+0x250/0x290 [ 469.365695][ T9224] ? kernfs_path_from_node+0x2f/0x290 [ 469.365719][ T9224] sysfs_create_dir_ns+0x259/0x280 [ 469.365743][ T9224] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 469.365766][ T9224] ? do_raw_spin_unlock+0x122/0x240 [ 469.365792][ T9224] kobject_add_internal+0x59f/0xb40 [ 469.365823][ T9224] kobject_init_and_add+0x125/0x190 [ 469.365851][ T9224] ? __pfx_kobject_init_and_add+0x10/0x10 [ 469.365874][ T9224] ? __raw_spin_lock_init+0x45/0x100 [ 469.365895][ T9224] ? __init_swait_queue_head+0xa9/0x150 [ 469.365953][ T9224] gfs2_sys_fs_add+0x234/0x450 [ 469.365977][ T9224] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 469.366004][ T9224] ? is_dynamic_key+0xd6/0x1c0 [ 469.366025][ T9224] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 469.366062][ T9224] gfs2_fill_super+0x13c0/0x20d0 [ 469.366104][ T9224] ? __pfx_gfs2_fill_super+0x10/0x10 [ 469.366132][ T9224] ? sb_set_blocksize+0x104/0x180 [ 469.366155][ T9224] ? setup_bdev_super+0x4c1/0x5b0 [ 469.366191][ T9224] get_tree_bdev_flags+0x40e/0x4d0 [ 469.366215][ T9224] ? __pfx_gfs2_fill_super+0x10/0x10 [ 469.366239][ T9224] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 469.366261][ T9224] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 469.366291][ T9224] gfs2_get_tree+0x51/0x1e0 [ 469.366318][ T9224] vfs_get_tree+0x92/0x2b0 [ 469.366345][ T9224] do_new_mount+0x302/0xa10 [ 469.366368][ T9224] ? apparmor_capable+0x137/0x1b0 [ 469.366396][ T9224] ? __pfx_do_new_mount+0x10/0x10 [ 469.366421][ T9224] ? ns_capable+0x8a/0xf0 [ 469.366448][ T9224] ? kmem_cache_free+0x19a/0x690 [ 469.366484][ T9224] __se_sys_mount+0x313/0x410 [ 469.366516][ T9224] ? __pfx___se_sys_mount+0x10/0x10 [ 469.366546][ T9224] ? do_syscall_64+0xbe/0xfa0 [ 469.366564][ T9224] ? __x64_sys_mount+0x20/0xc0 [ 469.366592][ T9224] do_syscall_64+0xfa/0xfa0 [ 469.366610][ T9224] ? lockdep_hardirqs_on+0x9c/0x150 [ 469.366630][ T9224] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 469.366649][ T9224] ? clear_bhb_loop+0x60/0xb0 [ 469.366668][ T9224] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 469.366682][ T9224] RIP: 0033:0x7f0172f9038a [ 469.366697][ T9224] 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 [ 469.366711][ T9224] RSP: 002b:00007f0173e1ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 469.366732][ T9224] RAX: ffffffffffffffda RBX: 00007f0173e1aef0 RCX: 00007f0172f9038a [ 469.366746][ T9224] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0173e1aeb0 [ 469.366759][ T9224] RBP: 000020000001f680 R08: 00007f0173e1aef0 R09: 0000000000000084 [ 469.366772][ T9224] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 469.366785][ T9224] R13: 00007f0173e1aeb0 R14: 000000000001f790 R15: 00002000000001c0 [ 469.366818][ T9224] [ 469.366845][ T9224] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 469.447283][ T9218] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 469.451031][ T9224] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 470.109277][ T3495] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 470.302785][ T3495] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 470.361406][ T3495] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 470.418392][ T3495] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 470.535605][ T3495] bridge_slave_1: left allmulticast mode [ 470.543078][ T3495] bridge_slave_1: left promiscuous mode [ 470.557510][ T3495] bridge0: port 2(bridge_slave_1) entered disabled state [ 470.572191][ T3495] bridge_slave_0: left allmulticast mode [ 470.579461][ T3495] bridge_slave_0: left promiscuous mode [ 470.591253][ T3495] bridge0: port 1(bridge_slave_0) entered disabled state [ 471.010110][ T3495] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 471.023151][ T3495] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 471.039144][ T3495] bond0 (unregistering): Released all slaves [ 471.364244][ T3495] hsr_slave_0: left promiscuous mode [ 471.373511][ T3495] hsr_slave_1: left promiscuous mode [ 471.385777][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 471.393497][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 471.409416][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 471.418045][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 471.442022][ T3495] veth1_macvtap: left promiscuous mode [ 471.447799][ T3495] veth0_macvtap: left promiscuous mode [ 471.453489][ T3495] veth1_vlan: left promiscuous mode [ 471.461189][ T3495] veth0_vlan: left promiscuous mode [ 471.884574][ T3495] team0 (unregistering): Port device team_slave_1 removed [ 471.915492][ T3495] team0 (unregistering): Port device team_slave_0 removed [ 472.573672][ T3495] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 472.651424][ T3495] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 472.739078][ T3495] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 472.812119][ T3495] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 473.004057][ T3495] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 473.111392][ T3495] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 473.195282][ T3495] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 473.266375][ T3495] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.1.13' (ED25519) to the list of known hosts. [ 473.504852][ T3495] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 473.611008][ T3495] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program executing program [ 473.699351][ T3495] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 473.965562][ T3495] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program [ 474.712017][ T3495] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 474.936416][ T3495] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 475.141157][ T3495] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 475.391223][ T3495] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 475.421859][ T9313] loop0: detected capacity change from 0 to 32768 [ 475.424828][ T9315] loop1: detected capacity change from 0 to 32768 [ 475.474963][ T9313] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 475.492899][ T9315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 475.527489][ T9315] CPU: 1 UID: 0 PID: 9315 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 475.527517][ T9315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 475.527530][ T9315] Call Trace: [ 475.527538][ T9315] [ 475.527547][ T9315] dump_stack_lvl+0x189/0x250 [ 475.527578][ T9315] ? __pfx_dump_stack_lvl+0x10/0x10 [ 475.527600][ T9315] ? __pfx__printk+0x10/0x10 [ 475.527627][ T9315] ? kernfs_path_from_node+0x250/0x290 [ 475.527647][ T9315] ? kernfs_path_from_node+0x2f/0x290 [ 475.527672][ T9315] sysfs_create_dir_ns+0x259/0x280 [ 475.527696][ T9315] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 475.527719][ T9315] ? do_raw_spin_unlock+0x122/0x240 [ 475.527744][ T9315] kobject_add_internal+0x59f/0xb40 [ 475.527776][ T9315] kobject_init_and_add+0x125/0x190 [ 475.527803][ T9315] ? __pfx_kobject_init_and_add+0x10/0x10 [ 475.527826][ T9315] ? __raw_spin_lock_init+0x45/0x100 [ 475.527848][ T9315] ? __init_swait_queue_head+0xa9/0x150 [ 475.527872][ T9315] gfs2_sys_fs_add+0x234/0x450 [ 475.527896][ T9315] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 475.527923][ T9315] ? is_dynamic_key+0xd6/0x1c0 [ 475.527945][ T9315] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 475.527981][ T9315] gfs2_fill_super+0x13c0/0x20d0 [ 475.528023][ T9315] ? __pfx_gfs2_fill_super+0x10/0x10 [ 475.528052][ T9315] ? sb_set_blocksize+0x104/0x180 [ 475.528074][ T9315] ? setup_bdev_super+0x4c1/0x5b0 [ 475.528101][ T9315] get_tree_bdev_flags+0x40e/0x4d0 [ 475.528126][ T9315] ? __pfx_gfs2_fill_super+0x10/0x10 [ 475.528150][ T9315] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 475.528179][ T9315] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 475.528209][ T9315] gfs2_get_tree+0x51/0x1e0 [ 475.528237][ T9315] vfs_get_tree+0x92/0x2b0 [ 475.528264][ T9315] do_new_mount+0x302/0xa10 [ 475.528288][ T9315] ? apparmor_capable+0x137/0x1b0 [ 475.528316][ T9315] ? __pfx_do_new_mount+0x10/0x10 [ 475.528342][ T9315] ? ns_capable+0x8a/0xf0 [ 475.528370][ T9315] ? kmem_cache_free+0x19a/0x690 [ 475.528405][ T9315] __se_sys_mount+0x313/0x410 [ 475.528433][ T9315] ? __pfx___se_sys_mount+0x10/0x10 [ 475.528462][ T9315] ? do_syscall_64+0xbe/0xfa0 [ 475.528480][ T9315] ? __x64_sys_mount+0x20/0xc0 [ 475.528508][ T9315] do_syscall_64+0xfa/0xfa0 [ 475.528526][ T9315] ? lockdep_hardirqs_on+0x9c/0x150 [ 475.528546][ T9315] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 475.528563][ T9315] ? clear_bhb_loop+0x60/0xb0 [ 475.528586][ T9315] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 475.528605][ T9315] RIP: 0033:0x7feccecd494a [ 475.528623][ T9315] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 475.528639][ T9315] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 475.528660][ T9315] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 475.528674][ T9315] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 475.528687][ T9315] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 475.528700][ T9315] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 475.528712][ T9315] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 475.528744][ T9315] [ 475.528771][ T9315] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 475.566016][ T9313] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 475.577230][ T9323] loop3: detected capacity change from 0 to 32768 [ 475.855251][ T9325] loop4: detected capacity change from 0 to 32768 [ 475.882506][ T9315] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 475.940838][ T9321] loop2: detected capacity change from 0 to 32768 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 476.025393][ T9313] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms executing program [ 476.131685][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 476.137340][ T9323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 476.166257][ T9323] CPU: 1 UID: 0 PID: 9323 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 476.166285][ T9323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 476.166297][ T9323] Call Trace: [ 476.166306][ T9323] [ 476.166314][ T9323] dump_stack_lvl+0x189/0x250 [ 476.166346][ T9323] ? __pfx_dump_stack_lvl+0x10/0x10 [ 476.166375][ T9323] ? __pfx__printk+0x10/0x10 [ 476.166407][ T9323] ? kernfs_path_from_node+0x250/0x290 [ 476.166427][ T9323] ? kernfs_path_from_node+0x2f/0x290 [ 476.166452][ T9323] sysfs_create_dir_ns+0x259/0x280 [ 476.166476][ T9323] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 476.166498][ T9323] ? do_raw_spin_unlock+0x122/0x240 [ 476.166529][ T9323] kobject_add_internal+0x59f/0xb40 [ 476.166560][ T9323] kobject_init_and_add+0x125/0x190 [ 476.166588][ T9323] ? __pfx_kobject_init_and_add+0x10/0x10 [ 476.166612][ T9323] ? __raw_spin_lock_init+0x45/0x100 [ 476.166633][ T9323] ? __init_swait_queue_head+0xa9/0x150 [ 476.166662][ T9323] gfs2_sys_fs_add+0x234/0x450 [ 476.166686][ T9323] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 476.166713][ T9323] ? is_dynamic_key+0xd6/0x1c0 [ 476.166736][ T9323] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 476.166772][ T9323] gfs2_fill_super+0x13c0/0x20d0 [ 476.166813][ T9323] ? __pfx_gfs2_fill_super+0x10/0x10 [ 476.166842][ T9323] ? sb_set_blocksize+0x104/0x180 [ 476.166865][ T9323] ? setup_bdev_super+0x4c1/0x5b0 [ 476.166896][ T9323] get_tree_bdev_flags+0x40e/0x4d0 [ 476.166917][ T9323] ? __pfx_gfs2_fill_super+0x10/0x10 [ 476.166939][ T9323] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 476.166959][ T9323] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 476.166987][ T9323] gfs2_get_tree+0x51/0x1e0 [ 476.167013][ T9323] vfs_get_tree+0x92/0x2b0 [ 476.167036][ T9323] do_new_mount+0x302/0xa10 [ 476.167059][ T9323] ? apparmor_capable+0x137/0x1b0 [ 476.167084][ T9323] ? __pfx_do_new_mount+0x10/0x10 [ 476.167106][ T9323] ? ns_capable+0x8a/0xf0 [ 476.167131][ T9323] ? kmem_cache_free+0x19a/0x690 [ 476.167165][ T9323] __se_sys_mount+0x313/0x410 [ 476.167197][ T9323] ? __pfx___se_sys_mount+0x10/0x10 [ 476.167226][ T9323] ? do_syscall_64+0xbe/0xfa0 [ 476.167243][ T9323] ? __x64_sys_mount+0x20/0xc0 [ 476.167270][ T9323] do_syscall_64+0xfa/0xfa0 [ 476.167289][ T9323] ? lockdep_hardirqs_on+0x9c/0x150 [ 476.167309][ T9323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 476.167326][ T9323] ? clear_bhb_loop+0x60/0xb0 [ 476.167348][ T9323] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 476.167366][ T9323] RIP: 0033:0x7feccecd494a [ 476.167391][ T9323] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 476.167409][ T9323] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 476.167428][ T9323] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 476.167443][ T9323] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 476.167456][ T9323] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 476.167469][ T9323] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 476.167481][ T9323] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 476.167513][ T9323] [ 476.187353][ T9325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 476.187995][ T9323] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 476.197669][ T9325] CPU: 0 UID: 0 PID: 9325 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 476.197696][ T9325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 476.197707][ T9325] Call Trace: [ 476.197716][ T9325] [ 476.197725][ T9325] dump_stack_lvl+0x189/0x250 [ 476.197755][ T9325] ? __pfx_dump_stack_lvl+0x10/0x10 [ 476.197776][ T9325] ? __pfx__printk+0x10/0x10 [ 476.197805][ T9325] ? kernfs_path_from_node+0x250/0x290 [ 476.197826][ T9325] ? kernfs_path_from_node+0x2f/0x290 [ 476.197850][ T9325] sysfs_create_dir_ns+0x259/0x280 [ 476.197872][ T9325] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 476.197894][ T9325] ? do_raw_spin_unlock+0x122/0x240 [ 476.197919][ T9325] kobject_add_internal+0x59f/0xb40 [ 476.197950][ T9325] kobject_init_and_add+0x125/0x190 [ 476.197977][ T9325] ? __pfx_kobject_init_and_add+0x10/0x10 [ 476.198000][ T9325] ? __raw_spin_lock_init+0x45/0x100 [ 476.198021][ T9325] ? __init_swait_queue_head+0xa9/0x150 [ 476.198043][ T9325] gfs2_sys_fs_add+0x234/0x450 [ 476.198066][ T9325] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 476.198092][ T9325] ? is_dynamic_key+0xd6/0x1c0 [ 476.198114][ T9325] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 476.198155][ T9325] gfs2_fill_super+0x13c0/0x20d0 [ 476.198195][ T9325] ? __pfx_gfs2_fill_super+0x10/0x10 [ 476.198223][ T9325] ? sb_set_blocksize+0x104/0x180 [ 476.198244][ T9325] ? setup_bdev_super+0x4c1/0x5b0 [ 476.198271][ T9325] get_tree_bdev_flags+0x40e/0x4d0 [ 476.198295][ T9325] ? __pfx_gfs2_fill_super+0x10/0x10 [ 476.198318][ T9325] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 476.198339][ T9325] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 476.198367][ T9325] gfs2_get_tree+0x51/0x1e0 [ 476.198393][ T9325] vfs_get_tree+0x92/0x2b0 [ 476.198419][ T9325] do_new_mount+0x302/0xa10 [ 476.198442][ T9325] ? apparmor_capable+0x137/0x1b0 [ 476.198469][ T9325] ? __pfx_do_new_mount+0x10/0x10 [ 476.198494][ T9325] ? ns_capable+0x8a/0xf0 [ 476.198519][ T9325] ? kmem_cache_free+0x19a/0x690 [ 476.198550][ T9325] __se_sys_mount+0x313/0x410 [ 476.198580][ T9325] ? __pfx___se_sys_mount+0x10/0x10 [ 476.198608][ T9325] ? do_syscall_64+0xbe/0xfa0 [ 476.198627][ T9325] ? __x64_sys_mount+0x20/0xc0 [ 476.198654][ T9325] do_syscall_64+0xfa/0xfa0 [ 476.198671][ T9325] ? lockdep_hardirqs_on+0x9c/0x150 [ 476.198689][ T9325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 476.198707][ T9325] ? clear_bhb_loop+0x60/0xb0 [ 476.198730][ T9325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 476.198747][ T9325] RIP: 0033:0x7feccecd494a [ 476.198763][ T9325] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 476.198779][ T9325] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 476.198799][ T9325] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 476.198813][ T9325] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 476.198825][ T9325] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 476.198838][ T9325] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 476.198850][ T9325] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 476.198880][ T9325] [ 476.198906][ T9325] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 476.203902][ T9323] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 476.247887][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 476.260661][ T9321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 476.270006][ T9325] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 476.279472][ T9321] CPU: 1 UID: 0 PID: 9321 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 476.279499][ T9321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 476.279511][ T9321] Call Trace: [ 476.279519][ T9321] [ 476.279527][ T9321] dump_stack_lvl+0x189/0x250 [ 476.279556][ T9321] ? __pfx_dump_stack_lvl+0x10/0x10 [ 476.279578][ T9321] ? __pfx__printk+0x10/0x10 [ 476.279608][ T9321] ? kernfs_path_from_node+0x250/0x290 [ 476.279627][ T9321] ? kernfs_path_from_node+0x2f/0x290 [ 476.279651][ T9321] sysfs_create_dir_ns+0x259/0x280 [ 476.279674][ T9321] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 476.279695][ T9321] ? do_raw_spin_unlock+0x122/0x240 [ 476.279720][ T9321] kobject_add_internal+0x59f/0xb40 [ 476.279750][ T9321] kobject_init_and_add+0x125/0x190 [ 476.279778][ T9321] ? __pfx_kobject_init_and_add+0x10/0x10 [ 476.279801][ T9321] ? __raw_spin_lock_init+0x45/0x100 [ 476.279822][ T9321] ? __init_swait_queue_head+0xa9/0x150 [ 476.279845][ T9321] gfs2_sys_fs_add+0x234/0x450 [ 476.279866][ T9321] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 476.279892][ T9321] ? is_dynamic_key+0xd6/0x1c0 [ 476.279913][ T9321] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 476.279947][ T9321] gfs2_fill_super+0x13c0/0x20d0 [ 476.279987][ T9321] ? __pfx_gfs2_fill_super+0x10/0x10 [ 476.280015][ T9321] ? sb_set_blocksize+0x104/0x180 [ 476.280037][ T9321] ? setup_bdev_super+0x4c1/0x5b0 [ 476.280064][ T9321] get_tree_bdev_flags+0x40e/0x4d0 [ 476.280088][ T9321] ? __pfx_gfs2_fill_super+0x10/0x10 [ 476.280110][ T9321] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 476.280132][ T9321] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 476.280160][ T9321] gfs2_get_tree+0x51/0x1e0 [ 476.280187][ T9321] vfs_get_tree+0x92/0x2b0 [ 476.280213][ T9321] do_new_mount+0x302/0xa10 [ 476.280236][ T9321] ? apparmor_capable+0x137/0x1b0 [ 476.280263][ T9321] ? __pfx_do_new_mount+0x10/0x10 [ 476.280288][ T9321] ? ns_capable+0x8a/0xf0 [ 476.280315][ T9321] ? kmem_cache_free+0x19a/0x690 [ 476.280350][ T9321] __se_sys_mount+0x313/0x410 [ 476.280388][ T9321] ? __pfx___se_sys_mount+0x10/0x10 [ 476.280418][ T9321] ? do_syscall_64+0xbe/0xfa0 [ 476.280436][ T9321] ? __x64_sys_mount+0x20/0xc0 [ 476.280463][ T9321] do_syscall_64+0xfa/0xfa0 [ 476.280480][ T9321] ? lockdep_hardirqs_on+0x9c/0x150 [ 476.280500][ T9321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 476.280518][ T9321] ? clear_bhb_loop+0x60/0xb0 [ 476.280540][ T9321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 476.280557][ T9321] RIP: 0033:0x7feccecd494a [ 476.280574][ T9321] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 476.280590][ T9321] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 476.280609][ T9321] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 476.280623][ T9321] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 476.280636][ T9321] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 476.280648][ T9321] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 476.280660][ T9321] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 476.280690][ T9321] [ 476.280716][ T9321] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 476.327265][ T3495] bridge_slave_1: left allmulticast mode [ 476.371187][ T9321] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 476.693265][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 445ms [ 476.999871][ T3495] bridge_slave_1: left promiscuous mode the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 477.012605][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 477.077241][ T3495] bridge0: port 2(bridge_slave_1) entered disabled state [ 477.123319][ T9313] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 477.255908][ T9346] loop1: detected capacity change from 0 to 32768 executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program [ 477.425584][ T9346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 477.478308][ T3495] bridge_slave_0: left allmulticast mode [ 477.484088][ T3495] bridge_slave_0: left promiscuous mode [ 477.516881][ T9346] CPU: 1 UID: 0 PID: 9346 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 477.516910][ T9346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 477.516920][ T9346] Call Trace: [ 477.516927][ T9346] [ 477.516936][ T9346] dump_stack_lvl+0x189/0x250 [ 477.516965][ T9346] ? __pfx_dump_stack_lvl+0x10/0x10 [ 477.516986][ T9346] ? __pfx__printk+0x10/0x10 [ 477.517016][ T9346] ? kernfs_path_from_node+0x250/0x290 [ 477.517036][ T9346] ? kernfs_path_from_node+0x2f/0x290 [ 477.517059][ T9346] sysfs_create_dir_ns+0x259/0x280 [ 477.517083][ T9346] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 477.517104][ T9346] ? do_raw_spin_unlock+0x122/0x240 [ 477.517128][ T9346] kobject_add_internal+0x59f/0xb40 [ 477.517160][ T9346] kobject_init_and_add+0x125/0x190 [ 477.517188][ T9346] ? __pfx_kobject_init_and_add+0x10/0x10 [ 477.517211][ T9346] ? __raw_spin_lock_init+0x45/0x100 [ 477.517233][ T9346] ? __init_swait_queue_head+0xa9/0x150 [ 477.517257][ T9346] gfs2_sys_fs_add+0x234/0x450 [ 477.517280][ T9346] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 477.517313][ T9346] ? is_dynamic_key+0xd6/0x1c0 [ 477.517336][ T9346] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 477.517373][ T9346] gfs2_fill_super+0x13c0/0x20d0 [ 477.517414][ T9346] ? __pfx_gfs2_fill_super+0x10/0x10 [ 477.517443][ T9346] ? sb_set_blocksize+0x104/0x180 [ 477.517465][ T9346] ? setup_bdev_super+0x4c1/0x5b0 [ 477.517493][ T9346] get_tree_bdev_flags+0x40e/0x4d0 [ 477.517517][ T9346] ? __pfx_gfs2_fill_super+0x10/0x10 [ 477.517541][ T9346] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 477.517562][ T9346] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 477.517593][ T9346] gfs2_get_tree+0x51/0x1e0 [ 477.517620][ T9346] vfs_get_tree+0x92/0x2b0 [ 477.517646][ T9346] do_new_mount+0x302/0xa10 [ 477.517670][ T9346] ? apparmor_capable+0x137/0x1b0 [ 477.517698][ T9346] ? __pfx_do_new_mount+0x10/0x10 [ 477.517723][ T9346] ? ns_capable+0x8a/0xf0 [ 477.517752][ T9346] ? kmem_cache_free+0x19a/0x690 [ 477.517790][ T9346] __se_sys_mount+0x313/0x410 [ 477.517822][ T9346] ? __pfx___se_sys_mount+0x10/0x10 [ 477.517852][ T9346] ? do_syscall_64+0xbe/0xfa0 [ 477.517870][ T9346] ? __x64_sys_mount+0x20/0xc0 [ 477.517898][ T9346] do_syscall_64+0xfa/0xfa0 [ 477.517916][ T9346] ? lockdep_hardirqs_on+0x9c/0x150 [ 477.517936][ T9346] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 477.517954][ T9346] ? clear_bhb_loop+0x60/0xb0 [ 477.517977][ T9346] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 477.517995][ T9346] RIP: 0033:0x7feccecd494a [ 477.518012][ T9346] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 477.518029][ T9346] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 477.518049][ T9346] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 477.518063][ T9346] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 477.518076][ T9346] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 477.518089][ T9346] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 477.518102][ T9346] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 477.518134][ T9346] [ 477.985914][ T3495] bridge0: port 1(bridge_slave_0) entered disabled state [ 478.187042][ T9346] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 478.233458][ T9346] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program [ 478.431385][ T3495] bridge_slave_1: left allmulticast mode [ 478.444563][ T3495] bridge_slave_1: left promiscuous mode [ 478.462764][ T9368] loop4: detected capacity change from 0 to 32768 [ 478.525243][ T3495] bridge0: port 2(bridge_slave_1) entered disabled state [ 478.560644][ T9368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 478.569631][ T9368] CPU: 1 UID: 0 PID: 9368 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 478.569655][ T9368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 478.569667][ T9368] Call Trace: [ 478.569675][ T9368] [ 478.569683][ T9368] dump_stack_lvl+0x189/0x250 [ 478.569714][ T9368] ? __pfx_dump_stack_lvl+0x10/0x10 [ 478.569735][ T9368] ? __pfx__printk+0x10/0x10 [ 478.569765][ T9368] ? kernfs_path_from_node+0x250/0x290 [ 478.569785][ T9368] ? kernfs_path_from_node+0x2f/0x290 [ 478.569810][ T9368] sysfs_create_dir_ns+0x259/0x280 [ 478.569833][ T9368] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 478.569856][ T9368] ? do_raw_spin_unlock+0x122/0x240 [ 478.569881][ T9368] kobject_add_internal+0x59f/0xb40 [ 478.569913][ T9368] kobject_init_and_add+0x125/0x190 [ 478.569942][ T9368] ? __pfx_kobject_init_and_add+0x10/0x10 [ 478.569965][ T9368] ? __raw_spin_lock_init+0x45/0x100 [ 478.569986][ T9368] ? __init_swait_queue_head+0xa9/0x150 [ 478.570010][ T9368] gfs2_sys_fs_add+0x234/0x450 [ 478.570034][ T9368] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 478.570061][ T9368] ? is_dynamic_key+0xd6/0x1c0 [ 478.570083][ T9368] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 478.570119][ T9368] gfs2_fill_super+0x13c0/0x20d0 [ 478.570166][ T9368] ? __pfx_gfs2_fill_super+0x10/0x10 [ 478.570195][ T9368] ? sb_set_blocksize+0x104/0x180 [ 478.570217][ T9368] ? setup_bdev_super+0x4c1/0x5b0 [ 478.570245][ T9368] get_tree_bdev_flags+0x40e/0x4d0 [ 478.570269][ T9368] ? __pfx_gfs2_fill_super+0x10/0x10 [ 478.570293][ T9368] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 478.570315][ T9368] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 478.570342][ T9368] gfs2_get_tree+0x51/0x1e0 [ 478.570366][ T9368] vfs_get_tree+0x92/0x2b0 [ 478.570391][ T9368] do_new_mount+0x302/0xa10 [ 478.570414][ T9368] ? apparmor_capable+0x137/0x1b0 [ 478.570442][ T9368] ? __pfx_do_new_mount+0x10/0x10 [ 478.570467][ T9368] ? ns_capable+0x8a/0xf0 [ 478.570495][ T9368] ? kmem_cache_free+0x19a/0x690 [ 478.570531][ T9368] __se_sys_mount+0x313/0x410 [ 478.570563][ T9368] ? __pfx___se_sys_mount+0x10/0x10 [ 478.570594][ T9368] ? do_syscall_64+0xbe/0xfa0 [ 478.570612][ T9368] ? __x64_sys_mount+0x20/0xc0 [ 478.570643][ T9368] do_syscall_64+0xfa/0xfa0 [ 478.570661][ T9368] ? lockdep_hardirqs_on+0x9c/0x150 [ 478.570681][ T9368] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 478.570699][ T9368] ? clear_bhb_loop+0x60/0xb0 [ 478.570721][ T9368] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 478.570739][ T9368] RIP: 0033:0x7feccecd494a [ 478.570757][ T9368] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 478.570774][ T9368] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 478.570793][ T9368] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 478.570807][ T9368] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 478.570820][ T9368] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 478.570833][ T9368] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 478.570845][ T9368] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 478.570877][ T9368] [ 478.573450][ T9368] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 478.768768][ T3495] bridge_slave_0: left allmulticast mode [ 478.890649][ T9368] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program [ 479.125796][ T9365] loop3: detected capacity change from 0 to 32768 [ 479.204686][ T9365] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 479.214760][ T3495] bridge_slave_0: left promiscuous mode [ 479.220818][ T3495] bridge0: port 1(bridge_slave_0) entered disabled state executing program [ 479.300886][ T9365] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 479.337566][ T3495] bridge_slave_1: left allmulticast mode [ 479.343276][ T3495] bridge_slave_1: left promiscuous mode [ 479.367151][ T3495] bridge0: port 2(bridge_slave_1) entered disabled state [ 479.414208][ T3495] bridge_slave_0: left allmulticast mode [ 479.436719][ T9365] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 479.456955][ T3495] bridge_slave_0: left promiscuous mode [ 479.462749][ T3495] bridge0: port 1(bridge_slave_0) entered disabled state the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 479.507907][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 479.514804][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 479.540778][ T3495] bridge_slave_1: left allmulticast mode [ 479.577005][ T3495] bridge_slave_1: left promiscuous mode [ 479.617225][ T3495] bridge0: port 2(bridge_slave_1) entered disabled state executing program [ 479.692772][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 177ms [ 479.723911][ T3495] bridge_slave_0: left allmulticast mode [ 479.740574][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 479.753203][ T3495] bridge_slave_0: left promiscuous mode [ 479.756117][ T9365] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 479.787446][ T3495] bridge0: port 1(bridge_slave_0) entered disabled state the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 480.590862][ T9377] loop1: detected capacity change from 0 to 32768 [ 480.636216][ T9377] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 480.656113][ T9377] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 480.708173][ T9373] loop2: detected capacity change from 0 to 32768 [ 480.726603][ T9382] loop0: detected capacity change from 0 to 32768 [ 480.746742][ T9373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 480.754232][ T9373] CPU: 1 UID: 0 PID: 9373 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 480.754256][ T9373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 480.754267][ T9373] Call Trace: [ 480.754275][ T9373] [ 480.754282][ T9373] dump_stack_lvl+0x189/0x250 [ 480.754310][ T9373] ? __pfx_dump_stack_lvl+0x10/0x10 [ 480.754330][ T9373] ? __pfx__printk+0x10/0x10 [ 480.754358][ T9373] ? kernfs_path_from_node+0x250/0x290 [ 480.754377][ T9373] ? kernfs_path_from_node+0x2f/0x290 [ 480.754400][ T9373] sysfs_create_dir_ns+0x259/0x280 [ 480.754423][ T9373] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 480.754446][ T9373] ? do_raw_spin_unlock+0x122/0x240 [ 480.754470][ T9373] kobject_add_internal+0x59f/0xb40 [ 480.754502][ T9373] kobject_init_and_add+0x125/0x190 [ 480.754528][ T9373] ? __pfx_kobject_init_and_add+0x10/0x10 [ 480.754552][ T9373] ? __raw_spin_lock_init+0x45/0x100 [ 480.754573][ T9373] ? __init_swait_queue_head+0xa9/0x150 [ 480.754597][ T9373] gfs2_sys_fs_add+0x234/0x450 [ 480.754619][ T9373] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 480.754646][ T9373] ? is_dynamic_key+0xd6/0x1c0 [ 480.754669][ T9373] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 480.754705][ T9373] gfs2_fill_super+0x13c0/0x20d0 [ 480.754745][ T9373] ? __pfx_gfs2_fill_super+0x10/0x10 [ 480.754773][ T9373] ? sb_set_blocksize+0x104/0x180 [ 480.754796][ T9373] ? setup_bdev_super+0x4c1/0x5b0 [ 480.754824][ T9373] get_tree_bdev_flags+0x40e/0x4d0 [ 480.754849][ T9373] ? __pfx_gfs2_fill_super+0x10/0x10 [ 480.754872][ T9373] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 480.754894][ T9373] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 480.754924][ T9373] gfs2_get_tree+0x51/0x1e0 [ 480.754951][ T9373] vfs_get_tree+0x92/0x2b0 [ 480.754978][ T9373] do_new_mount+0x302/0xa10 [ 480.755010][ T9373] ? apparmor_capable+0x137/0x1b0 [ 480.755037][ T9373] ? __pfx_do_new_mount+0x10/0x10 [ 480.755062][ T9373] ? ns_capable+0x8a/0xf0 [ 480.755089][ T9373] ? kmem_cache_free+0x19a/0x690 [ 480.755126][ T9373] __se_sys_mount+0x313/0x410 [ 480.755158][ T9373] ? __pfx___se_sys_mount+0x10/0x10 [ 480.755188][ T9373] ? do_syscall_64+0xbe/0xfa0 [ 480.755207][ T9373] ? __x64_sys_mount+0x20/0xc0 [ 480.755234][ T9373] do_syscall_64+0xfa/0xfa0 [ 480.755252][ T9373] ? lockdep_hardirqs_on+0x9c/0x150 [ 480.755271][ T9373] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 480.755289][ T9373] ? clear_bhb_loop+0x60/0xb0 [ 480.755312][ T9373] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 480.755330][ T9373] RIP: 0033:0x7feccecd494a [ 480.755347][ T9373] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 480.755363][ T9373] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 480.755383][ T9373] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 480.755396][ T9373] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 480.755410][ T9373] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 480.755422][ T9373] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 480.755435][ T9373] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 480.755461][ T9373] [ 480.755486][ T9373] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 480.832183][ T9377] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 480.911564][ T9373] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 481.087457][ T9382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' executing program [ 481.178127][ T9382] CPU: 1 UID: 0 PID: 9382 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 481.178154][ T9382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 481.178165][ T9382] Call Trace: [ 481.178172][ T9382] [ 481.178180][ T9382] dump_stack_lvl+0x189/0x250 [ 481.178211][ T9382] ? __pfx_dump_stack_lvl+0x10/0x10 [ 481.178233][ T9382] ? __pfx__printk+0x10/0x10 [ 481.178263][ T9382] ? kernfs_path_from_node+0x250/0x290 [ 481.178283][ T9382] ? kernfs_path_from_node+0x2f/0x290 [ 481.178307][ T9382] sysfs_create_dir_ns+0x259/0x280 [ 481.178332][ T9382] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 481.178353][ T9382] ? do_raw_spin_unlock+0x122/0x240 [ 481.178377][ T9382] kobject_add_internal+0x59f/0xb40 [ 481.178408][ T9382] kobject_init_and_add+0x125/0x190 [ 481.178436][ T9382] ? __pfx_kobject_init_and_add+0x10/0x10 [ 481.178460][ T9382] ? __raw_spin_lock_init+0x45/0x100 [ 481.178481][ T9382] ? __init_swait_queue_head+0xa9/0x150 [ 481.178505][ T9382] gfs2_sys_fs_add+0x234/0x450 [ 481.178528][ T9382] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 481.178554][ T9382] ? is_dynamic_key+0xd6/0x1c0 [ 481.178576][ T9382] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 481.178611][ T9382] gfs2_fill_super+0x13c0/0x20d0 [ 481.178653][ T9382] ? __pfx_gfs2_fill_super+0x10/0x10 [ 481.178682][ T9382] ? sb_set_blocksize+0x104/0x180 [ 481.178705][ T9382] ? setup_bdev_super+0x4c1/0x5b0 [ 481.178733][ T9382] get_tree_bdev_flags+0x40e/0x4d0 [ 481.178814][ T9382] ? __pfx_gfs2_fill_super+0x10/0x10 [ 481.178838][ T9382] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 481.178857][ T9382] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 481.178884][ T9382] gfs2_get_tree+0x51/0x1e0 [ 481.178909][ T9382] vfs_get_tree+0x92/0x2b0 [ 481.178934][ T9382] do_new_mount+0x302/0xa10 [ 481.178955][ T9382] ? apparmor_capable+0x137/0x1b0 [ 481.178981][ T9382] ? __pfx_do_new_mount+0x10/0x10 [ 481.179005][ T9382] ? ns_capable+0x8a/0xf0 [ 481.179031][ T9382] ? kmem_cache_free+0x19a/0x690 [ 481.179065][ T9382] __se_sys_mount+0x313/0x410 [ 481.179097][ T9382] ? __pfx___se_sys_mount+0x10/0x10 [ 481.179127][ T9382] ? do_syscall_64+0xbe/0xfa0 [ 481.179144][ T9382] ? __x64_sys_mount+0x20/0xc0 [ 481.179172][ T9382] do_syscall_64+0xfa/0xfa0 [ 481.179190][ T9382] ? lockdep_hardirqs_on+0x9c/0x150 [ 481.179210][ T9382] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 481.179229][ T9382] ? clear_bhb_loop+0x60/0xb0 [ 481.179251][ T9382] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 481.179269][ T9382] RIP: 0033:0x7feccecd494a [ 481.179287][ T9382] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 481.179302][ T9382] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 481.179322][ T9382] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 481.179335][ T9382] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 481.179347][ T9382] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 481.179360][ T9382] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 481.179372][ T9382] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 481.179402][ T9382] [ 481.179430][ T9382] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 481.525623][ T5887] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 481.533843][ T5887] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 481.567223][ T9382] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 481.640923][ T5887] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 107ms [ 481.683806][ T5887] gfs2: fsid=syz:syz.0: jid=0: Done [ 481.698808][ T9377] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 481.864136][ T9384] loop4: detected capacity change from 0 to 32768 [ 481.901572][ T9384] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 481.937551][ T9384] CPU: 0 UID: 0 PID: 9384 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 481.937578][ T9384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 481.937590][ T9384] Call Trace: [ 481.937598][ T9384] [ 481.937607][ T9384] dump_stack_lvl+0x189/0x250 [ 481.937639][ T9384] ? __pfx_dump_stack_lvl+0x10/0x10 [ 481.937661][ T9384] ? __pfx__printk+0x10/0x10 [ 481.937692][ T9384] ? kernfs_path_from_node+0x250/0x290 [ 481.937721][ T9384] ? kernfs_path_from_node+0x2f/0x290 [ 481.937746][ T9384] sysfs_create_dir_ns+0x259/0x280 [ 481.937770][ T9384] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 481.937793][ T9384] ? do_raw_spin_unlock+0x122/0x240 [ 481.937819][ T9384] kobject_add_internal+0x59f/0xb40 [ 481.937854][ T9384] kobject_init_and_add+0x125/0x190 [ 481.937883][ T9384] ? __pfx_kobject_init_and_add+0x10/0x10 [ 481.937907][ T9384] ? __raw_spin_lock_init+0x45/0x100 [ 481.937927][ T9384] ? __init_swait_queue_head+0xa9/0x150 [ 481.937950][ T9384] gfs2_sys_fs_add+0x234/0x450 [ 481.937974][ T9384] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 481.938001][ T9384] ? is_dynamic_key+0xd6/0x1c0 [ 481.938023][ T9384] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 481.938060][ T9384] gfs2_fill_super+0x13c0/0x20d0 [ 481.938101][ T9384] ? __pfx_gfs2_fill_super+0x10/0x10 [ 481.938130][ T9384] ? sb_set_blocksize+0x104/0x180 [ 481.938152][ T9384] ? setup_bdev_super+0x4c1/0x5b0 [ 481.938180][ T9384] get_tree_bdev_flags+0x40e/0x4d0 [ 481.938205][ T9384] ? __pfx_gfs2_fill_super+0x10/0x10 [ 481.938228][ T9384] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 481.938250][ T9384] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 481.938278][ T9384] gfs2_get_tree+0x51/0x1e0 [ 481.938303][ T9384] vfs_get_tree+0x92/0x2b0 [ 481.938330][ T9384] do_new_mount+0x302/0xa10 [ 481.938352][ T9384] ? apparmor_capable+0x137/0x1b0 [ 481.938379][ T9384] ? __pfx_do_new_mount+0x10/0x10 [ 481.938400][ T9384] ? ns_capable+0x8a/0xf0 [ 481.938421][ T9384] ? kmem_cache_free+0x19a/0x690 [ 481.938450][ T9384] __se_sys_mount+0x313/0x410 [ 481.938475][ T9384] ? __pfx___se_sys_mount+0x10/0x10 [ 481.938498][ T9384] ? do_syscall_64+0xbe/0xfa0 [ 481.938513][ T9384] ? __x64_sys_mount+0x20/0xc0 [ 481.938535][ T9384] do_syscall_64+0xfa/0xfa0 [ 481.938549][ T9384] ? lockdep_hardirqs_on+0x9c/0x150 [ 481.938564][ T9384] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 481.938578][ T9384] ? clear_bhb_loop+0x60/0xb0 [ 481.938595][ T9384] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 481.938609][ T9384] RIP: 0033:0x7feccecd494a the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 481.938623][ T9384] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 481.938634][ T9384] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 481.938650][ T9384] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 481.938661][ T9384] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 481.938671][ T9384] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 481.938681][ T9384] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 481.938690][ T9384] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 481.938720][ T9384] [ 481.938833][ T9384] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 482.279117][ T9384] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program [ 482.963283][ T9394] loop3: detected capacity change from 0 to 32768 [ 483.021349][ T9394] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 483.037017][ T9394] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 483.110723][ T9394] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 483.137911][ T3495] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 483.161303][ T5887] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 483.169054][ T5887] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 483.258523][ T3495] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 483.309727][ T5887] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 140ms [ 483.321111][ T9398] loop2: detected capacity change from 0 to 32768 [ 483.339073][ T3495] bond0 (unregistering): Released all slaves [ 483.347937][ T5887] gfs2: fsid=syz:syz.0: jid=0: Done [ 483.356974][ T9394] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 483.377065][ T9398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 483.384483][ T9398] CPU: 1 UID: 0 PID: 9398 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 483.384509][ T9398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 483.384524][ T9398] Call Trace: [ 483.384533][ T9398] [ 483.384542][ T9398] dump_stack_lvl+0x189/0x250 [ 483.384573][ T9398] ? __pfx_dump_stack_lvl+0x10/0x10 [ 483.384594][ T9398] ? __pfx__printk+0x10/0x10 [ 483.384625][ T9398] ? kernfs_path_from_node+0x250/0x290 [ 483.384644][ T9398] ? kernfs_path_from_node+0x2f/0x290 [ 483.384667][ T9398] sysfs_create_dir_ns+0x259/0x280 [ 483.384691][ T9398] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 483.384714][ T9398] ? do_raw_spin_unlock+0x122/0x240 [ 483.384740][ T9398] kobject_add_internal+0x59f/0xb40 [ 483.384770][ T9398] kobject_init_and_add+0x125/0x190 [ 483.384796][ T9398] ? __pfx_kobject_init_and_add+0x10/0x10 [ 483.384819][ T9398] ? __raw_spin_lock_init+0x45/0x100 [ 483.384848][ T9398] ? __init_swait_queue_head+0xa9/0x150 [ 483.384871][ T9398] gfs2_sys_fs_add+0x234/0x450 [ 483.384894][ T9398] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 483.384921][ T9398] ? is_dynamic_key+0xd6/0x1c0 [ 483.384942][ T9398] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 483.384979][ T9398] gfs2_fill_super+0x13c0/0x20d0 [ 483.385018][ T9398] ? __pfx_gfs2_fill_super+0x10/0x10 [ 483.385043][ T9398] ? sb_set_blocksize+0x104/0x180 [ 483.385064][ T9398] ? setup_bdev_super+0x4c1/0x5b0 [ 483.385092][ T9398] get_tree_bdev_flags+0x40e/0x4d0 [ 483.385114][ T9398] ? __pfx_gfs2_fill_super+0x10/0x10 [ 483.385137][ T9398] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 483.385158][ T9398] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 483.385187][ T9398] gfs2_get_tree+0x51/0x1e0 [ 483.385214][ T9398] vfs_get_tree+0x92/0x2b0 [ 483.385240][ T9398] do_new_mount+0x302/0xa10 [ 483.385263][ T9398] ? apparmor_capable+0x137/0x1b0 [ 483.385290][ T9398] ? __pfx_do_new_mount+0x10/0x10 [ 483.385315][ T9398] ? ns_capable+0x8a/0xf0 [ 483.385342][ T9398] ? kmem_cache_free+0x19a/0x690 [ 483.385378][ T9398] __se_sys_mount+0x313/0x410 [ 483.385410][ T9398] ? __pfx___se_sys_mount+0x10/0x10 [ 483.385440][ T9398] ? do_syscall_64+0xbe/0xfa0 [ 483.385457][ T9398] ? __x64_sys_mount+0x20/0xc0 [ 483.385485][ T9398] do_syscall_64+0xfa/0xfa0 [ 483.385502][ T9398] ? lockdep_hardirqs_on+0x9c/0x150 [ 483.385522][ T9398] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 483.385539][ T9398] ? clear_bhb_loop+0x60/0xb0 [ 483.385562][ T9398] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 483.385579][ T9398] RIP: 0033:0x7feccecd494a [ 483.385597][ T9398] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 483.385612][ T9398] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 483.385632][ T9398] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 483.385644][ T9398] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 483.385655][ T9398] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 483.385668][ T9398] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 483.385679][ T9398] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 483.385709][ T9398] [ 483.738329][ T9398] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 483.752336][ T9398] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 484.381059][ T9410] loop1: detected capacity change from 0 to 32768 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 484.447203][ T9410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 484.454622][ T9410] CPU: 1 UID: 0 PID: 9410 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 484.454648][ T9410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 484.454660][ T9410] Call Trace: [ 484.454668][ T9410] [ 484.454682][ T9410] dump_stack_lvl+0x189/0x250 [ 484.454714][ T9410] ? __pfx_dump_stack_lvl+0x10/0x10 [ 484.454736][ T9410] ? __pfx__printk+0x10/0x10 [ 484.454767][ T9410] ? kernfs_path_from_node+0x250/0x290 [ 484.454787][ T9410] ? kernfs_path_from_node+0x2f/0x290 [ 484.454812][ T9410] sysfs_create_dir_ns+0x259/0x280 [ 484.454836][ T9410] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 484.454859][ T9410] ? do_raw_spin_unlock+0x122/0x240 [ 484.454886][ T9410] kobject_add_internal+0x59f/0xb40 [ 484.454918][ T9410] kobject_init_and_add+0x125/0x190 [ 484.454947][ T9410] ? __pfx_kobject_init_and_add+0x10/0x10 [ 484.454971][ T9410] ? __raw_spin_lock_init+0x45/0x100 [ 484.454993][ T9410] ? __init_swait_queue_head+0xa9/0x150 [ 484.455017][ T9410] gfs2_sys_fs_add+0x234/0x450 [ 484.455041][ T9410] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 484.455068][ T9410] ? is_dynamic_key+0xd6/0x1c0 [ 484.455091][ T9410] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 484.455127][ T9410] gfs2_fill_super+0x13c0/0x20d0 [ 484.455169][ T9410] ? __pfx_gfs2_fill_super+0x10/0x10 [ 484.455199][ T9410] ? sb_set_blocksize+0x104/0x180 [ 484.455221][ T9410] ? setup_bdev_super+0x4c1/0x5b0 [ 484.455249][ T9410] get_tree_bdev_flags+0x40e/0x4d0 [ 484.455274][ T9410] ? __pfx_gfs2_fill_super+0x10/0x10 [ 484.455298][ T9410] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 484.455320][ T9410] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 484.455350][ T9410] gfs2_get_tree+0x51/0x1e0 [ 484.455378][ T9410] vfs_get_tree+0x92/0x2b0 [ 484.455405][ T9410] do_new_mount+0x302/0xa10 [ 484.455428][ T9410] ? apparmor_capable+0x137/0x1b0 [ 484.455456][ T9410] ? __pfx_do_new_mount+0x10/0x10 [ 484.455482][ T9410] ? ns_capable+0x8a/0xf0 [ 484.455510][ T9410] ? kmem_cache_free+0x19a/0x690 [ 484.455546][ T9410] __se_sys_mount+0x313/0x410 [ 484.455579][ T9410] ? __pfx___se_sys_mount+0x10/0x10 [ 484.455610][ T9410] ? do_syscall_64+0xbe/0xfa0 [ 484.455628][ T9410] ? __x64_sys_mount+0x20/0xc0 [ 484.455656][ T9410] do_syscall_64+0xfa/0xfa0 [ 484.455680][ T9410] ? lockdep_hardirqs_on+0x9c/0x150 [ 484.455699][ T9410] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 484.455717][ T9410] ? clear_bhb_loop+0x60/0xb0 [ 484.455739][ T9410] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 484.455757][ T9410] RIP: 0033:0x7feccecd494a [ 484.455775][ T9410] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 484.455791][ T9410] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 484.455811][ T9410] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 484.455825][ T9410] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 484.455839][ T9410] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 484.455851][ T9410] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 484.455863][ T9410] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 484.455895][ T9410] [ 484.455923][ T9410] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 484.511102][ T9406] loop0: detected capacity change from 0 to 32768 [ 484.535789][ T9410] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 484.891899][ T9408] loop4: detected capacity change from 0 to 32768 [ 484.899621][ T9406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 484.917523][ T9406] CPU: 0 UID: 0 PID: 9406 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 484.917550][ T9406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 484.917562][ T9406] Call Trace: [ 484.917571][ T9406] [ 484.917580][ T9406] dump_stack_lvl+0x189/0x250 [ 484.917610][ T9406] ? __pfx_dump_stack_lvl+0x10/0x10 [ 484.917633][ T9406] ? __pfx__printk+0x10/0x10 [ 484.917664][ T9406] ? kernfs_path_from_node+0x250/0x290 [ 484.917684][ T9406] ? kernfs_path_from_node+0x2f/0x290 [ 484.917707][ T9406] sysfs_create_dir_ns+0x259/0x280 [ 484.917731][ T9406] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 484.917753][ T9406] ? do_raw_spin_unlock+0x122/0x240 [ 484.917778][ T9406] kobject_add_internal+0x59f/0xb40 [ 484.917811][ T9406] kobject_init_and_add+0x125/0x190 [ 484.917839][ T9406] ? __pfx_kobject_init_and_add+0x10/0x10 [ 484.917861][ T9406] ? __raw_spin_lock_init+0x45/0x100 [ 484.917883][ T9406] ? __init_swait_queue_head+0xa9/0x150 [ 484.917907][ T9406] gfs2_sys_fs_add+0x234/0x450 [ 484.917931][ T9406] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 484.917959][ T9406] ? is_dynamic_key+0xd6/0x1c0 [ 484.917981][ T9406] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 484.918018][ T9406] gfs2_fill_super+0x13c0/0x20d0 [ 484.918058][ T9406] ? __pfx_gfs2_fill_super+0x10/0x10 [ 484.918087][ T9406] ? sb_set_blocksize+0x104/0x180 [ 484.918109][ T9406] ? setup_bdev_super+0x4c1/0x5b0 [ 484.918137][ T9406] get_tree_bdev_flags+0x40e/0x4d0 [ 484.918166][ T9406] ? __pfx_gfs2_fill_super+0x10/0x10 [ 484.918190][ T9406] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 484.918212][ T9406] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 484.918242][ T9406] gfs2_get_tree+0x51/0x1e0 [ 484.918268][ T9406] vfs_get_tree+0x92/0x2b0 [ 484.918295][ T9406] do_new_mount+0x302/0xa10 [ 484.918319][ T9406] ? apparmor_capable+0x137/0x1b0 [ 484.918357][ T9406] ? __pfx_do_new_mount+0x10/0x10 [ 484.918383][ T9406] ? ns_capable+0x8a/0xf0 [ 484.918411][ T9406] ? kmem_cache_free+0x19a/0x690 [ 484.918446][ T9406] __se_sys_mount+0x313/0x410 [ 484.918485][ T9406] ? __pfx___se_sys_mount+0x10/0x10 [ 484.918515][ T9406] ? do_syscall_64+0xbe/0xfa0 [ 484.918533][ T9406] ? __x64_sys_mount+0x20/0xc0 [ 484.918561][ T9406] do_syscall_64+0xfa/0xfa0 [ 484.918580][ T9406] ? lockdep_hardirqs_on+0x9c/0x150 [ 484.918598][ T9406] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 484.918615][ T9406] ? clear_bhb_loop+0x60/0xb0 [ 484.918646][ T9406] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 484.918664][ T9406] RIP: 0033:0x7feccecd494a [ 484.918682][ T9406] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 484.918697][ T9406] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 484.918717][ T9406] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 484.918731][ T9406] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 484.918745][ T9406] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 484.918758][ T9406] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 484.918770][ T9406] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 484.918801][ T9406] [ 485.037561][ T9406] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 485.250865][ T9408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 485.273972][ T9406] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 485.354744][ T9408] CPU: 0 UID: 0 PID: 9408 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 485.354769][ T9408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 485.354779][ T9408] Call Trace: [ 485.354788][ T9408] [ 485.354797][ T9408] dump_stack_lvl+0x189/0x250 [ 485.354825][ T9408] ? __pfx_dump_stack_lvl+0x10/0x10 [ 485.354845][ T9408] ? __pfx__printk+0x10/0x10 [ 485.354872][ T9408] ? kernfs_path_from_node+0x250/0x290 [ 485.354889][ T9408] ? kernfs_path_from_node+0x2f/0x290 [ 485.354909][ T9408] sysfs_create_dir_ns+0x259/0x280 [ 485.354931][ T9408] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 485.354951][ T9408] ? do_raw_spin_unlock+0x122/0x240 [ 485.354973][ T9408] kobject_add_internal+0x59f/0xb40 [ 485.355002][ T9408] kobject_init_and_add+0x125/0x190 [ 485.355026][ T9408] ? __pfx_kobject_init_and_add+0x10/0x10 [ 485.355046][ T9408] ? __raw_spin_lock_init+0x45/0x100 [ 485.355066][ T9408] ? __init_swait_queue_head+0xa9/0x150 [ 485.355087][ T9408] gfs2_sys_fs_add+0x234/0x450 [ 485.355107][ T9408] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 485.355131][ T9408] ? is_dynamic_key+0xd6/0x1c0 [ 485.355151][ T9408] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 485.355183][ T9408] gfs2_fill_super+0x13c0/0x20d0 [ 485.355221][ T9408] ? __pfx_gfs2_fill_super+0x10/0x10 [ 485.355247][ T9408] ? sb_set_blocksize+0x104/0x180 [ 485.355267][ T9408] ? setup_bdev_super+0x4c1/0x5b0 [ 485.355293][ T9408] get_tree_bdev_flags+0x40e/0x4d0 [ 485.355314][ T9408] ? __pfx_gfs2_fill_super+0x10/0x10 [ 485.355335][ T9408] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 485.355354][ T9408] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 485.355381][ T9408] gfs2_get_tree+0x51/0x1e0 [ 485.355406][ T9408] vfs_get_tree+0x92/0x2b0 [ 485.355429][ T9408] do_new_mount+0x302/0xa10 [ 485.355452][ T9408] ? apparmor_capable+0x137/0x1b0 [ 485.355476][ T9408] ? __pfx_do_new_mount+0x10/0x10 [ 485.355499][ T9408] ? ns_capable+0x8a/0xf0 [ 485.355523][ T9408] ? kmem_cache_free+0x19a/0x690 [ 485.355556][ T9408] __se_sys_mount+0x313/0x410 [ 485.355585][ T9408] ? __pfx___se_sys_mount+0x10/0x10 [ 485.355611][ T9408] ? do_syscall_64+0xbe/0xfa0 [ 485.355628][ T9408] ? __x64_sys_mount+0x20/0xc0 [ 485.355652][ T9408] do_syscall_64+0xfa/0xfa0 [ 485.355668][ T9408] ? lockdep_hardirqs_on+0x9c/0x150 [ 485.355693][ T9408] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 485.355709][ T9408] ? clear_bhb_loop+0x60/0xb0 [ 485.355729][ T9408] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 485.355745][ T9408] RIP: 0033:0x7feccecd494a [ 485.355762][ T9408] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 485.355776][ T9408] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 485.355794][ T9408] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 485.355806][ T9408] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 485.355817][ T9408] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 485.355828][ T9408] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 485.355839][ T9408] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 485.355867][ T9408] [ 485.355901][ T9408] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 485.703667][ T9408] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program [ 486.250545][ T3495] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 486.302144][ T3495] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface executing program [ 486.370551][ T3495] bond0 (unregistering): Released all slaves [ 486.832618][ T9424] loop2: detected capacity change from 0 to 32768 [ 486.891678][ T9424] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 486.950378][ T9424] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 487.091332][ T9424] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 487.121505][ T5899] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 487.131616][ T5899] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 487.270664][ T5899] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 139ms [ 487.289716][ T5899] gfs2: fsid=syz:syz.0: jid=0: Done [ 487.309392][ T9424] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 487.314021][ T9426] loop3: detected capacity change from 0 to 32768 [ 487.397202][ T9426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 487.453030][ T9426] CPU: 0 UID: 0 PID: 9426 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 487.453057][ T9426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 487.453069][ T9426] Call Trace: [ 487.453077][ T9426] [ 487.453086][ T9426] dump_stack_lvl+0x189/0x250 [ 487.453116][ T9426] ? __pfx_dump_stack_lvl+0x10/0x10 [ 487.453138][ T9426] ? __pfx__printk+0x10/0x10 [ 487.453169][ T9426] ? kernfs_path_from_node+0x250/0x290 [ 487.453189][ T9426] ? kernfs_path_from_node+0x2f/0x290 [ 487.453214][ T9426] sysfs_create_dir_ns+0x259/0x280 [ 487.453237][ T9426] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 487.453259][ T9426] ? do_raw_spin_unlock+0x122/0x240 [ 487.453280][ T9426] kobject_add_internal+0x59f/0xb40 [ 487.453312][ T9426] kobject_init_and_add+0x125/0x190 [ 487.453340][ T9426] ? __pfx_kobject_init_and_add+0x10/0x10 [ 487.453364][ T9426] ? __raw_spin_lock_init+0x45/0x100 [ 487.453386][ T9426] ? __init_swait_queue_head+0xa9/0x150 [ 487.453410][ T9426] gfs2_sys_fs_add+0x234/0x450 [ 487.453434][ T9426] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 487.453461][ T9426] ? is_dynamic_key+0xd6/0x1c0 [ 487.453483][ T9426] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 487.453527][ T9426] gfs2_fill_super+0x13c0/0x20d0 [ 487.453568][ T9426] ? __pfx_gfs2_fill_super+0x10/0x10 [ 487.453597][ T9426] ? sb_set_blocksize+0x104/0x180 [ 487.453620][ T9426] ? setup_bdev_super+0x4c1/0x5b0 [ 487.453648][ T9426] get_tree_bdev_flags+0x40e/0x4d0 [ 487.453672][ T9426] ? __pfx_gfs2_fill_super+0x10/0x10 [ 487.453696][ T9426] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 487.453718][ T9426] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 487.453747][ T9426] gfs2_get_tree+0x51/0x1e0 [ 487.453774][ T9426] vfs_get_tree+0x92/0x2b0 [ 487.453800][ T9426] do_new_mount+0x302/0xa10 [ 487.453824][ T9426] ? apparmor_capable+0x137/0x1b0 [ 487.453852][ T9426] ? __pfx_do_new_mount+0x10/0x10 [ 487.453878][ T9426] ? ns_capable+0x8a/0xf0 [ 487.453906][ T9426] ? kmem_cache_free+0x19a/0x690 [ 487.453941][ T9426] __se_sys_mount+0x313/0x410 [ 487.453974][ T9426] ? __pfx___se_sys_mount+0x10/0x10 [ 487.454004][ T9426] ? do_syscall_64+0xbe/0xfa0 [ 487.454022][ T9426] ? __x64_sys_mount+0x20/0xc0 [ 487.454050][ T9426] do_syscall_64+0xfa/0xfa0 [ 487.454068][ T9426] ? lockdep_hardirqs_on+0x9c/0x150 [ 487.454087][ T9426] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 487.454105][ T9426] ? clear_bhb_loop+0x60/0xb0 [ 487.454127][ T9426] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 487.454144][ T9426] RIP: 0033:0x7feccecd494a [ 487.454162][ T9426] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 487.454178][ T9426] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 487.454198][ T9426] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 487.454212][ T9426] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 487.454225][ T9426] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 487.454238][ T9426] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 487.454250][ T9426] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 487.454281][ T9426] [ 487.454309][ T9426] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 487.458851][ T9428] loop1: detected capacity change from 0 to 32768 [ 487.569750][ T9426] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 487.822484][ T9430] loop0: detected capacity change from 0 to 32768 [ 487.856666][ T9428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 487.861115][ T9432] loop4: detected capacity change from 0 to 32768 [ 487.874230][ T9428] CPU: 0 UID: 0 PID: 9428 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 487.874257][ T9428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 487.874269][ T9428] Call Trace: [ 487.874278][ T9428] [ 487.874286][ T9428] dump_stack_lvl+0x189/0x250 [ 487.874333][ T9428] ? __pfx_dump_stack_lvl+0x10/0x10 [ 487.874354][ T9428] ? __pfx__printk+0x10/0x10 [ 487.874389][ T9428] ? kernfs_path_from_node+0x250/0x290 [ 487.874408][ T9428] ? kernfs_path_from_node+0x2f/0x290 [ 487.874430][ T9428] sysfs_create_dir_ns+0x259/0x280 [ 487.874452][ T9428] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 487.874475][ T9428] ? do_raw_spin_unlock+0x122/0x240 [ 487.874500][ T9428] kobject_add_internal+0x59f/0xb40 [ 487.874530][ T9428] kobject_init_and_add+0x125/0x190 [ 487.874557][ T9428] ? __pfx_kobject_init_and_add+0x10/0x10 [ 487.874580][ T9428] ? __raw_spin_lock_init+0x45/0x100 [ 487.874599][ T9430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 487.874602][ T9428] ? __init_swait_queue_head+0xa9/0x150 [ 487.874625][ T9428] gfs2_sys_fs_add+0x234/0x450 [ 487.874643][ T9428] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 487.874666][ T9428] ? is_dynamic_key+0xd6/0x1c0 [ 487.874687][ T9428] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 487.874722][ T9428] gfs2_fill_super+0x13c0/0x20d0 [ 487.874762][ T9428] ? __pfx_gfs2_fill_super+0x10/0x10 [ 487.874788][ T9428] ? sb_set_blocksize+0x104/0x180 [ 487.874809][ T9428] ? setup_bdev_super+0x4c1/0x5b0 [ 487.874836][ T9428] get_tree_bdev_flags+0x40e/0x4d0 [ 487.874860][ T9428] ? __pfx_gfs2_fill_super+0x10/0x10 [ 487.874883][ T9428] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 487.874905][ T9428] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 487.874934][ T9428] gfs2_get_tree+0x51/0x1e0 [ 487.874960][ T9428] vfs_get_tree+0x92/0x2b0 [ 487.874986][ T9428] do_new_mount+0x302/0xa10 [ 487.875009][ T9428] ? apparmor_capable+0x137/0x1b0 [ 487.875036][ T9428] ? __pfx_do_new_mount+0x10/0x10 [ 487.875061][ T9428] ? ns_capable+0x8a/0xf0 [ 487.875088][ T9428] ? kmem_cache_free+0x19a/0x690 [ 487.875122][ T9428] __se_sys_mount+0x313/0x410 [ 487.875158][ T9428] ? __pfx___se_sys_mount+0x10/0x10 [ 487.875188][ T9428] ? do_syscall_64+0xbe/0xfa0 [ 487.875205][ T9428] ? __x64_sys_mount+0x20/0xc0 [ 487.875232][ T9428] do_syscall_64+0xfa/0xfa0 [ 487.875250][ T9428] ? lockdep_hardirqs_on+0x9c/0x150 [ 487.875268][ T9428] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 487.875286][ T9428] ? clear_bhb_loop+0x60/0xb0 [ 487.875308][ T9428] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 487.875325][ T9428] RIP: 0033:0x7feccecd494a [ 487.875342][ T9428] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 487.875364][ T9428] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 487.875383][ T9428] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 487.875397][ T9428] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 487.875409][ T9428] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 487.875421][ T9428] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 487.875433][ T9428] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 487.875463][ T9428] [ 487.896985][ T9428] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 487.897009][ T9428] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 487.938363][ T9432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 488.065535][ T9430] CPU: 1 UID: 0 PID: 9430 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 488.065561][ T9430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 488.065572][ T9430] Call Trace: [ 488.065580][ T9430] [ 488.065589][ T9430] dump_stack_lvl+0x189/0x250 [ 488.065618][ T9430] ? __pfx_dump_stack_lvl+0x10/0x10 [ 488.065639][ T9430] ? __pfx__printk+0x10/0x10 [ 488.065669][ T9430] ? kernfs_path_from_node+0x250/0x290 [ 488.065688][ T9430] ? kernfs_path_from_node+0x2f/0x290 [ 488.065712][ T9430] sysfs_create_dir_ns+0x259/0x280 [ 488.065735][ T9430] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 488.065757][ T9430] ? do_raw_spin_unlock+0x122/0x240 [ 488.065781][ T9430] kobject_add_internal+0x59f/0xb40 [ 488.065812][ T9430] kobject_init_and_add+0x125/0x190 [ 488.065839][ T9430] ? __pfx_kobject_init_and_add+0x10/0x10 [ 488.065861][ T9430] ? __raw_spin_lock_init+0x45/0x100 [ 488.065883][ T9430] ? __init_swait_queue_head+0xa9/0x150 [ 488.065906][ T9430] gfs2_sys_fs_add+0x234/0x450 [ 488.065929][ T9430] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 488.065954][ T9430] ? is_dynamic_key+0xd6/0x1c0 [ 488.065976][ T9430] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 488.066011][ T9430] gfs2_fill_super+0x13c0/0x20d0 [ 488.066050][ T9430] ? __pfx_gfs2_fill_super+0x10/0x10 [ 488.066078][ T9430] ? sb_set_blocksize+0x104/0x180 [ 488.066108][ T9430] ? setup_bdev_super+0x4c1/0x5b0 [ 488.066135][ T9430] get_tree_bdev_flags+0x40e/0x4d0 [ 488.066159][ T9430] ? __pfx_gfs2_fill_super+0x10/0x10 [ 488.066182][ T9430] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 488.066203][ T9430] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 488.066232][ T9430] gfs2_get_tree+0x51/0x1e0 [ 488.066258][ T9430] vfs_get_tree+0x92/0x2b0 [ 488.066285][ T9430] do_new_mount+0x302/0xa10 [ 488.066308][ T9430] ? apparmor_capable+0x137/0x1b0 [ 488.066335][ T9430] ? __pfx_do_new_mount+0x10/0x10 [ 488.066359][ T9430] ? ns_capable+0x8a/0xf0 [ 488.066386][ T9430] ? kmem_cache_free+0x19a/0x690 [ 488.066422][ T9430] __se_sys_mount+0x313/0x410 [ 488.066453][ T9430] ? __pfx___se_sys_mount+0x10/0x10 [ 488.066482][ T9430] ? do_syscall_64+0xbe/0xfa0 [ 488.066500][ T9430] ? __x64_sys_mount+0x20/0xc0 [ 488.066527][ T9430] do_syscall_64+0xfa/0xfa0 [ 488.066545][ T9430] ? lockdep_hardirqs_on+0x9c/0x150 [ 488.066564][ T9430] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 488.066581][ T9430] ? clear_bhb_loop+0x60/0xb0 [ 488.066603][ T9430] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 488.066621][ T9430] RIP: 0033:0x7feccecd494a [ 488.066638][ T9430] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 488.066654][ T9430] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 488.066673][ T9430] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 488.066686][ T9430] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 488.066699][ T9430] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 488.066711][ T9430] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 488.066723][ T9430] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 488.066752][ T9430] [ 488.066779][ T9430] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 488.570199][ T9430] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 488.577197][ T9432] CPU: 1 UID: 0 PID: 9432 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 488.577222][ T9432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 488.577233][ T9432] Call Trace: [ 488.577242][ T9432] [ 488.577249][ T9432] dump_stack_lvl+0x189/0x250 [ 488.577278][ T9432] ? __pfx_dump_stack_lvl+0x10/0x10 [ 488.577298][ T9432] ? __pfx__printk+0x10/0x10 [ 488.577336][ T9432] ? kernfs_path_from_node+0x250/0x290 [ 488.577356][ T9432] ? kernfs_path_from_node+0x2f/0x290 [ 488.577379][ T9432] sysfs_create_dir_ns+0x259/0x280 [ 488.577403][ T9432] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 488.577425][ T9432] ? do_raw_spin_unlock+0x122/0x240 [ 488.577447][ T9432] kobject_add_internal+0x59f/0xb40 [ 488.577479][ T9432] kobject_init_and_add+0x125/0x190 [ 488.577507][ T9432] ? __pfx_kobject_init_and_add+0x10/0x10 [ 488.577531][ T9432] ? __raw_spin_lock_init+0x45/0x100 [ 488.577560][ T9432] ? __init_swait_queue_head+0xa9/0x150 [ 488.577584][ T9432] gfs2_sys_fs_add+0x234/0x450 [ 488.577608][ T9432] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 488.577636][ T9432] ? is_dynamic_key+0xd6/0x1c0 [ 488.577658][ T9432] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 488.577695][ T9432] gfs2_fill_super+0x13c0/0x20d0 [ 488.577741][ T9432] ? __pfx_gfs2_fill_super+0x10/0x10 [ 488.577770][ T9432] ? sb_set_blocksize+0x104/0x180 [ 488.577792][ T9432] ? setup_bdev_super+0x4c1/0x5b0 [ 488.577821][ T9432] get_tree_bdev_flags+0x40e/0x4d0 [ 488.577845][ T9432] ? __pfx_gfs2_fill_super+0x10/0x10 [ 488.577868][ T9432] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 488.577896][ T9432] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 488.577926][ T9432] gfs2_get_tree+0x51/0x1e0 [ 488.577953][ T9432] vfs_get_tree+0x92/0x2b0 [ 488.577980][ T9432] do_new_mount+0x302/0xa10 [ 488.578004][ T9432] ? apparmor_capable+0x137/0x1b0 [ 488.578032][ T9432] ? __pfx_do_new_mount+0x10/0x10 [ 488.578057][ T9432] ? ns_capable+0x8a/0xf0 [ 488.578083][ T9432] ? kmem_cache_free+0x19a/0x690 [ 488.578137][ T9432] __se_sys_mount+0x313/0x410 [ 488.578170][ T9432] ? __pfx___se_sys_mount+0x10/0x10 [ 488.578201][ T9432] ? do_syscall_64+0xbe/0xfa0 [ 488.578220][ T9432] ? __x64_sys_mount+0x20/0xc0 [ 488.578243][ T9432] do_syscall_64+0xfa/0xfa0 [ 488.578259][ T9432] ? lockdep_hardirqs_on+0x9c/0x150 [ 488.578277][ T9432] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 488.578294][ T9432] ? clear_bhb_loop+0x60/0xb0 [ 488.578321][ T9432] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 488.578338][ T9432] RIP: 0033:0x7feccecd494a [ 488.578355][ T9432] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 488.578371][ T9432] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 488.578391][ T9432] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 488.578412][ T9432] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 488.578425][ T9432] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 488.578439][ T9432] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 488.578451][ T9432] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 488.578481][ T9432] [ 488.578508][ T9432] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 488.989395][ T9432] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program [ 489.204334][ T3495] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 489.288860][ T3495] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 489.373653][ T3495] bond0 (unregistering): Released all slaves executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program [ 490.425255][ T9454] loop3: detected capacity change from 0 to 32768 [ 490.476251][ T9454] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 490.523233][ T9452] loop0: detected capacity change from 0 to 32768 [ 490.547139][ T9454] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 490.564858][ T9452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 490.577050][ T9452] CPU: 1 UID: 0 PID: 9452 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 490.577076][ T9452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 490.577088][ T9452] Call Trace: [ 490.577095][ T9452] [ 490.577104][ T9452] dump_stack_lvl+0x189/0x250 [ 490.577135][ T9452] ? __pfx_dump_stack_lvl+0x10/0x10 [ 490.577156][ T9452] ? __pfx__printk+0x10/0x10 [ 490.577186][ T9452] ? kernfs_path_from_node+0x250/0x290 [ 490.577205][ T9452] ? kernfs_path_from_node+0x2f/0x290 [ 490.577230][ T9452] sysfs_create_dir_ns+0x259/0x280 [ 490.577254][ T9452] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 490.577273][ T9452] ? do_raw_spin_unlock+0x122/0x240 [ 490.577296][ T9452] kobject_add_internal+0x59f/0xb40 [ 490.577327][ T9452] kobject_init_and_add+0x125/0x190 [ 490.577353][ T9452] ? __pfx_kobject_init_and_add+0x10/0x10 [ 490.577376][ T9452] ? __raw_spin_lock_init+0x45/0x100 [ 490.577397][ T9452] ? __init_swait_queue_head+0xa9/0x150 [ 490.577421][ T9452] gfs2_sys_fs_add+0x234/0x450 [ 490.577445][ T9452] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 490.577471][ T9452] ? is_dynamic_key+0xd6/0x1c0 [ 490.577493][ T9452] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 490.577528][ T9452] gfs2_fill_super+0x13c0/0x20d0 [ 490.577567][ T9452] ? __pfx_gfs2_fill_super+0x10/0x10 [ 490.577595][ T9452] ? sb_set_blocksize+0x104/0x180 [ 490.577617][ T9452] ? setup_bdev_super+0x4c1/0x5b0 [ 490.577646][ T9452] get_tree_bdev_flags+0x40e/0x4d0 [ 490.577670][ T9452] ? __pfx_gfs2_fill_super+0x10/0x10 [ 490.577693][ T9452] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 490.577715][ T9452] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 490.577746][ T9452] gfs2_get_tree+0x51/0x1e0 [ 490.577771][ T9452] vfs_get_tree+0x92/0x2b0 [ 490.577798][ T9452] do_new_mount+0x302/0xa10 [ 490.577822][ T9452] ? apparmor_capable+0x137/0x1b0 [ 490.577851][ T9452] ? __pfx_do_new_mount+0x10/0x10 [ 490.577876][ T9452] ? ns_capable+0x8a/0xf0 [ 490.577905][ T9452] ? kmem_cache_free+0x19a/0x690 [ 490.577939][ T9452] __se_sys_mount+0x313/0x410 [ 490.577971][ T9452] ? __pfx___se_sys_mount+0x10/0x10 [ 490.577999][ T9452] ? do_syscall_64+0xbe/0xfa0 [ 490.578025][ T9452] ? __x64_sys_mount+0x20/0xc0 [ 490.578051][ T9452] do_syscall_64+0xfa/0xfa0 [ 490.578068][ T9452] ? lockdep_hardirqs_on+0x9c/0x150 [ 490.578088][ T9452] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 490.578106][ T9452] ? clear_bhb_loop+0x60/0xb0 [ 490.578129][ T9452] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 490.578147][ T9452] RIP: 0033:0x7feccecd494a [ 490.578164][ T9452] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 490.578181][ T9452] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 490.578202][ T9452] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 490.578215][ T9452] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 490.578229][ T9452] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 490.578242][ T9452] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 490.578255][ T9452] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 490.578286][ T9452] [ 490.578314][ T9452] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 490.742364][ T9454] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 490.945169][ T9452] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 490.981246][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 490.990425][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 491.097568][ T3495] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 491.164641][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 174ms [ 491.193539][ T9456] loop1: detected capacity change from 0 to 32768 [ 491.195948][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 491.220340][ T9454] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 491.222025][ T3495] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 491.281775][ T9456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 491.298697][ T3495] bond0 (unregistering): Released all slaves [ 491.349083][ T9456] CPU: 0 UID: 0 PID: 9456 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 491.349108][ T9456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 491.349119][ T9456] Call Trace: [ 491.349127][ T9456] [ 491.349136][ T9456] dump_stack_lvl+0x189/0x250 [ 491.349166][ T9456] ? __pfx_dump_stack_lvl+0x10/0x10 [ 491.349188][ T9456] ? __pfx__printk+0x10/0x10 [ 491.349218][ T9456] ? kernfs_path_from_node+0x250/0x290 [ 491.349237][ T9456] ? kernfs_path_from_node+0x2f/0x290 [ 491.349262][ T9456] sysfs_create_dir_ns+0x259/0x280 [ 491.349286][ T9456] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 491.349309][ T9456] ? do_raw_spin_unlock+0x122/0x240 [ 491.349335][ T9456] kobject_add_internal+0x59f/0xb40 [ 491.349368][ T9456] kobject_init_and_add+0x125/0x190 [ 491.349396][ T9456] ? __pfx_kobject_init_and_add+0x10/0x10 [ 491.349420][ T9456] ? __raw_spin_lock_init+0x45/0x100 [ 491.349442][ T9456] ? __init_swait_queue_head+0xa9/0x150 [ 491.349466][ T9456] gfs2_sys_fs_add+0x234/0x450 [ 491.349489][ T9456] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 491.349516][ T9456] ? is_dynamic_key+0xd6/0x1c0 [ 491.349538][ T9456] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 491.349574][ T9456] gfs2_fill_super+0x13c0/0x20d0 [ 491.349616][ T9456] ? __pfx_gfs2_fill_super+0x10/0x10 [ 491.349645][ T9456] ? sb_set_blocksize+0x104/0x180 [ 491.349667][ T9456] ? setup_bdev_super+0x4c1/0x5b0 [ 491.349696][ T9456] get_tree_bdev_flags+0x40e/0x4d0 [ 491.349721][ T9456] ? __pfx_gfs2_fill_super+0x10/0x10 [ 491.349745][ T9456] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 491.349767][ T9456] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 491.349797][ T9456] gfs2_get_tree+0x51/0x1e0 [ 491.349825][ T9456] vfs_get_tree+0x92/0x2b0 [ 491.349852][ T9456] do_new_mount+0x302/0xa10 [ 491.349876][ T9456] ? apparmor_capable+0x137/0x1b0 [ 491.349914][ T9456] ? __pfx_do_new_mount+0x10/0x10 [ 491.349939][ T9456] ? ns_capable+0x8a/0xf0 [ 491.349967][ T9456] ? kmem_cache_free+0x19a/0x690 [ 491.350014][ T9456] __se_sys_mount+0x313/0x410 [ 491.350046][ T9456] ? __pfx___se_sys_mount+0x10/0x10 [ 491.350077][ T9456] ? do_syscall_64+0xbe/0xfa0 [ 491.350095][ T9456] ? __x64_sys_mount+0x20/0xc0 [ 491.350123][ T9456] do_syscall_64+0xfa/0xfa0 [ 491.350141][ T9456] ? lockdep_hardirqs_on+0x9c/0x150 [ 491.350160][ T9456] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 491.350178][ T9456] ? clear_bhb_loop+0x60/0xb0 [ 491.350201][ T9456] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 491.350219][ T9456] RIP: 0033:0x7feccecd494a [ 491.350236][ T9456] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 491.350252][ T9456] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 491.350273][ T9456] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 491.350287][ T9456] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 491.350299][ T9456] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 491.350311][ T9456] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 491.350323][ T9456] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 491.350355][ T9456] [ 491.350382][ T9456] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 491.755582][ T9461] loop2: detected capacity change from 0 to 32768 [ 491.818313][ T9461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 491.825820][ T9461] CPU: 0 UID: 0 PID: 9461 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 491.825853][ T9461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 491.825863][ T9461] Call Trace: [ 491.825873][ T9461] [ 491.825881][ T9461] dump_stack_lvl+0x189/0x250 [ 491.825908][ T9461] ? __pfx_dump_stack_lvl+0x10/0x10 [ 491.825929][ T9461] ? __pfx__printk+0x10/0x10 [ 491.825956][ T9461] ? kernfs_path_from_node+0x250/0x290 [ 491.825973][ T9461] ? kernfs_path_from_node+0x2f/0x290 [ 491.825995][ T9461] sysfs_create_dir_ns+0x259/0x280 [ 491.826017][ T9461] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 491.826038][ T9461] ? do_raw_spin_unlock+0x122/0x240 [ 491.826063][ T9461] kobject_add_internal+0x59f/0xb40 [ 491.826099][ T9461] kobject_init_and_add+0x125/0x190 [ 491.826127][ T9461] ? __pfx_kobject_init_and_add+0x10/0x10 [ 491.826149][ T9461] ? __raw_spin_lock_init+0x45/0x100 [ 491.826170][ T9461] ? __init_swait_queue_head+0xa9/0x150 [ 491.826191][ T9461] gfs2_sys_fs_add+0x234/0x450 [ 491.826211][ T9461] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 491.826235][ T9461] ? is_dynamic_key+0xd6/0x1c0 [ 491.826256][ T9461] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 491.826290][ T9461] gfs2_fill_super+0x13c0/0x20d0 [ 491.826331][ T9461] ? __pfx_gfs2_fill_super+0x10/0x10 [ 491.826360][ T9461] ? sb_set_blocksize+0x104/0x180 [ 491.826381][ T9461] ? setup_bdev_super+0x4c1/0x5b0 [ 491.826407][ T9461] get_tree_bdev_flags+0x40e/0x4d0 [ 491.826430][ T9461] ? __pfx_gfs2_fill_super+0x10/0x10 [ 491.826451][ T9461] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 491.826472][ T9461] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 491.826500][ T9461] gfs2_get_tree+0x51/0x1e0 [ 491.826525][ T9461] vfs_get_tree+0x92/0x2b0 [ 491.826550][ T9461] do_new_mount+0x302/0xa10 [ 491.826573][ T9461] ? apparmor_capable+0x137/0x1b0 [ 491.826601][ T9461] ? __pfx_do_new_mount+0x10/0x10 [ 491.826625][ T9461] ? ns_capable+0x8a/0xf0 [ 491.826652][ T9461] ? kmem_cache_free+0x19a/0x690 [ 491.826686][ T9461] __se_sys_mount+0x313/0x410 [ 491.826719][ T9461] ? __pfx___se_sys_mount+0x10/0x10 [ 491.826749][ T9461] ? do_syscall_64+0xbe/0xfa0 [ 491.826768][ T9461] ? __x64_sys_mount+0x20/0xc0 [ 491.826795][ T9461] do_syscall_64+0xfa/0xfa0 [ 491.826814][ T9461] ? lockdep_hardirqs_on+0x9c/0x150 [ 491.826833][ T9461] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 491.826859][ T9461] ? clear_bhb_loop+0x60/0xb0 [ 491.826882][ T9461] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 491.826902][ T9461] RIP: 0033:0x7feccecd494a [ 491.826918][ T9461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 491.826933][ T9461] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 491.826952][ T9461] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 491.826965][ T9461] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 491.826978][ T9461] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 491.826998][ T9461] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 491.827010][ T9461] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 491.827041][ T9461] [ 491.874335][ T9456] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 491.946343][ T9461] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 491.975724][ T9459] loop4: detected capacity change from 0 to 32768 [ 492.085437][ T9461] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 492.281837][ T9459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 492.306092][ T9459] CPU: 0 UID: 0 PID: 9459 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 492.306118][ T9459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 492.306129][ T9459] Call Trace: [ 492.306137][ T9459] [ 492.306145][ T9459] dump_stack_lvl+0x189/0x250 [ 492.306176][ T9459] ? __pfx_dump_stack_lvl+0x10/0x10 [ 492.306197][ T9459] ? __pfx__printk+0x10/0x10 [ 492.306226][ T9459] ? kernfs_path_from_node+0x250/0x290 [ 492.306245][ T9459] ? kernfs_path_from_node+0x2f/0x290 [ 492.306270][ T9459] sysfs_create_dir_ns+0x259/0x280 [ 492.306293][ T9459] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 492.306316][ T9459] ? do_raw_spin_unlock+0x122/0x240 [ 492.306341][ T9459] kobject_add_internal+0x59f/0xb40 [ 492.306372][ T9459] kobject_init_and_add+0x125/0x190 [ 492.306400][ T9459] ? __pfx_kobject_init_and_add+0x10/0x10 [ 492.306423][ T9459] ? __raw_spin_lock_init+0x45/0x100 [ 492.306445][ T9459] ? __init_swait_queue_head+0xa9/0x150 [ 492.306469][ T9459] gfs2_sys_fs_add+0x234/0x450 [ 492.306490][ T9459] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 492.306517][ T9459] ? is_dynamic_key+0xd6/0x1c0 [ 492.306539][ T9459] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 492.306577][ T9459] gfs2_fill_super+0x13c0/0x20d0 [ 492.306619][ T9459] ? __pfx_gfs2_fill_super+0x10/0x10 [ 492.306647][ T9459] ? sb_set_blocksize+0x104/0x180 [ 492.306669][ T9459] ? setup_bdev_super+0x4c1/0x5b0 [ 492.306696][ T9459] get_tree_bdev_flags+0x40e/0x4d0 [ 492.306721][ T9459] ? __pfx_gfs2_fill_super+0x10/0x10 [ 492.306745][ T9459] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 492.306767][ T9459] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 492.306797][ T9459] gfs2_get_tree+0x51/0x1e0 [ 492.306823][ T9459] vfs_get_tree+0x92/0x2b0 [ 492.306848][ T9459] do_new_mount+0x302/0xa10 [ 492.306873][ T9459] ? apparmor_capable+0x137/0x1b0 [ 492.306903][ T9459] ? __pfx_do_new_mount+0x10/0x10 [ 492.306927][ T9459] ? ns_capable+0x8a/0xf0 [ 492.306952][ T9459] ? kmem_cache_free+0x19a/0x690 [ 492.306989][ T9459] __se_sys_mount+0x313/0x410 [ 492.307022][ T9459] ? __pfx___se_sys_mount+0x10/0x10 [ 492.307052][ T9459] ? do_syscall_64+0xbe/0xfa0 [ 492.307070][ T9459] ? __x64_sys_mount+0x20/0xc0 [ 492.307106][ T9459] do_syscall_64+0xfa/0xfa0 [ 492.307123][ T9459] ? lockdep_hardirqs_on+0x9c/0x150 [ 492.307142][ T9459] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 492.307160][ T9459] ? clear_bhb_loop+0x60/0xb0 [ 492.307181][ T9459] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 492.307198][ T9459] RIP: 0033:0x7feccecd494a [ 492.307215][ T9459] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 492.307232][ T9459] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 492.307252][ T9459] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 492.307266][ T9459] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 492.307278][ T9459] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 492.307290][ T9459] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 492.307302][ T9459] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 492.307332][ T9459] the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program [ 492.740921][ T9459] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 492.756167][ T9459] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program [ 494.215327][ T9484] loop2: detected capacity change from 0 to 32768 executing program [ 494.284871][ T9484] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 494.317313][ T9484] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 494.412886][ T9484] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 494.470868][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 494.498907][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 494.713585][ T9486] loop0: detected capacity change from 0 to 32768 [ 494.766023][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 267ms [ 494.786258][ T9486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 494.794151][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 494.808101][ T9486] CPU: 0 UID: 0 PID: 9486 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 494.808128][ T9486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 494.808139][ T9486] Call Trace: [ 494.808147][ T9486] [ 494.808156][ T9486] dump_stack_lvl+0x189/0x250 [ 494.808186][ T9486] ? __pfx_dump_stack_lvl+0x10/0x10 [ 494.808207][ T9486] ? __pfx__printk+0x10/0x10 [ 494.808244][ T9486] ? kernfs_path_from_node+0x250/0x290 [ 494.808268][ T9486] ? kernfs_path_from_node+0x2f/0x290 [ 494.808292][ T9486] sysfs_create_dir_ns+0x259/0x280 [ 494.808316][ T9486] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 494.808339][ T9486] ? do_raw_spin_unlock+0x122/0x240 [ 494.808362][ T9486] kobject_add_internal+0x59f/0xb40 [ 494.808394][ T9486] kobject_init_and_add+0x125/0x190 [ 494.808423][ T9486] ? __pfx_kobject_init_and_add+0x10/0x10 [ 494.808455][ T9486] ? __raw_spin_lock_init+0x45/0x100 [ 494.808477][ T9486] ? __init_swait_queue_head+0xa9/0x150 [ 494.808502][ T9486] gfs2_sys_fs_add+0x234/0x450 [ 494.808525][ T9486] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 494.808551][ T9486] ? is_dynamic_key+0xd6/0x1c0 [ 494.808573][ T9486] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 494.808605][ T9486] gfs2_fill_super+0x13c0/0x20d0 [ 494.808644][ T9486] ? __pfx_gfs2_fill_super+0x10/0x10 [ 494.808671][ T9486] ? sb_set_blocksize+0x104/0x180 [ 494.808691][ T9486] ? setup_bdev_super+0x4c1/0x5b0 [ 494.808718][ T9486] get_tree_bdev_flags+0x40e/0x4d0 [ 494.808743][ T9486] ? __pfx_gfs2_fill_super+0x10/0x10 [ 494.808766][ T9486] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 494.808787][ T9486] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 494.808817][ T9486] gfs2_get_tree+0x51/0x1e0 [ 494.808852][ T9486] vfs_get_tree+0x92/0x2b0 [ 494.808878][ T9486] do_new_mount+0x302/0xa10 [ 494.808902][ T9486] ? apparmor_capable+0x137/0x1b0 [ 494.808931][ T9486] ? __pfx_do_new_mount+0x10/0x10 [ 494.808954][ T9486] ? ns_capable+0x8a/0xf0 [ 494.808982][ T9486] ? kmem_cache_free+0x19a/0x690 [ 494.809019][ T9486] __se_sys_mount+0x313/0x410 [ 494.809052][ T9486] ? __pfx___se_sys_mount+0x10/0x10 [ 494.809082][ T9486] ? do_syscall_64+0xbe/0xfa0 [ 494.809101][ T9486] ? __x64_sys_mount+0x20/0xc0 [ 494.809128][ T9486] do_syscall_64+0xfa/0xfa0 [ 494.809146][ T9486] ? lockdep_hardirqs_on+0x9c/0x150 [ 494.809165][ T9486] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 494.809183][ T9486] ? clear_bhb_loop+0x60/0xb0 [ 494.809206][ T9486] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 494.809223][ T9486] RIP: 0033:0x7feccecd494a [ 494.809241][ T9486] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 494.809257][ T9486] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 494.809277][ T9486] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 494.809291][ T9486] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 494.809304][ T9486] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 494.809316][ T9486] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 494.809327][ T9486] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 494.809358][ T9486] [ 494.809385][ T9486] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 494.924449][ T9492] loop1: detected capacity change from 0 to 32768 [ 494.927805][ T9484] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 495.160980][ T9492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 495.172127][ T9493] loop4: detected capacity change from 0 to 32768 [ 495.187157][ T9492] CPU: 0 UID: 0 PID: 9492 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 495.187184][ T9492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 495.187194][ T9492] Call Trace: [ 495.187201][ T9492] [ 495.187209][ T9492] dump_stack_lvl+0x189/0x250 [ 495.187236][ T9492] ? __pfx_dump_stack_lvl+0x10/0x10 [ 495.187255][ T9492] ? __pfx__printk+0x10/0x10 [ 495.187282][ T9492] ? kernfs_path_from_node+0x250/0x290 [ 495.187302][ T9492] ? kernfs_path_from_node+0x2f/0x290 [ 495.187325][ T9492] sysfs_create_dir_ns+0x259/0x280 [ 495.187345][ T9492] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 495.187366][ T9492] ? do_raw_spin_unlock+0x122/0x240 [ 495.187389][ T9492] kobject_add_internal+0x59f/0xb40 [ 495.187419][ T9492] kobject_init_and_add+0x125/0x190 [ 495.187445][ T9492] ? __pfx_kobject_init_and_add+0x10/0x10 [ 495.187466][ T9492] ? __raw_spin_lock_init+0x45/0x100 [ 495.187485][ T9492] ? __init_swait_queue_head+0xa9/0x150 [ 495.187507][ T9492] gfs2_sys_fs_add+0x234/0x450 [ 495.187530][ T9492] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 495.187557][ T9492] ? is_dynamic_key+0xd6/0x1c0 [ 495.187580][ T9492] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 495.187614][ T9492] gfs2_fill_super+0x13c0/0x20d0 [ 495.187651][ T9492] ? __pfx_gfs2_fill_super+0x10/0x10 [ 495.187678][ T9492] ? sb_set_blocksize+0x104/0x180 [ 495.187699][ T9492] ? setup_bdev_super+0x4c1/0x5b0 [ 495.187725][ T9492] get_tree_bdev_flags+0x40e/0x4d0 [ 495.187747][ T9492] ? __pfx_gfs2_fill_super+0x10/0x10 [ 495.187767][ T9492] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 495.187789][ T9492] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 495.187815][ T9492] gfs2_get_tree+0x51/0x1e0 [ 495.187841][ T9492] vfs_get_tree+0x92/0x2b0 [ 495.187866][ T9492] do_new_mount+0x302/0xa10 [ 495.187891][ T9492] ? apparmor_capable+0x137/0x1b0 [ 495.187928][ T9492] ? __pfx_do_new_mount+0x10/0x10 [ 495.187952][ T9492] ? ns_capable+0x8a/0xf0 [ 495.187977][ T9492] ? kmem_cache_free+0x19a/0x690 [ 495.188009][ T9492] __se_sys_mount+0x313/0x410 [ 495.188042][ T9492] ? __pfx___se_sys_mount+0x10/0x10 [ 495.188072][ T9492] ? do_syscall_64+0xbe/0xfa0 [ 495.188092][ T9492] ? __x64_sys_mount+0x20/0xc0 [ 495.188120][ T9492] do_syscall_64+0xfa/0xfa0 [ 495.188139][ T9492] ? lockdep_hardirqs_on+0x9c/0x150 [ 495.188159][ T9492] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 495.188177][ T9492] ? clear_bhb_loop+0x60/0xb0 [ 495.188200][ T9492] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 495.188218][ T9492] RIP: 0033:0x7feccecd494a [ 495.188236][ T9492] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 495.188253][ T9492] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 495.188274][ T9492] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 495.188287][ T9492] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 495.188301][ T9492] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 495.188314][ T9492] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 495.188326][ T9492] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 495.188357][ T9492] [ 495.188385][ T9492] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 495.271876][ T9486] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 495.328142][ T9492] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 495.501121][ T9507] loop3: detected capacity change from 0 to 32768 [ 495.549158][ T9493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 495.600881][ T9493] CPU: 1 UID: 0 PID: 9493 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 495.600907][ T9493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 495.600919][ T9493] Call Trace: [ 495.600928][ T9493] [ 495.600936][ T9493] dump_stack_lvl+0x189/0x250 [ 495.600968][ T9493] ? __pfx_dump_stack_lvl+0x10/0x10 [ 495.600989][ T9493] ? __pfx__printk+0x10/0x10 [ 495.601020][ T9493] ? kernfs_path_from_node+0x250/0x290 [ 495.601039][ T9493] ? kernfs_path_from_node+0x2f/0x290 [ 495.601063][ T9493] sysfs_create_dir_ns+0x259/0x280 [ 495.601086][ T9493] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 495.601109][ T9493] ? do_raw_spin_unlock+0x122/0x240 [ 495.601134][ T9493] kobject_add_internal+0x59f/0xb40 [ 495.601166][ T9493] kobject_init_and_add+0x125/0x190 [ 495.601194][ T9493] ? __pfx_kobject_init_and_add+0x10/0x10 [ 495.601216][ T9493] ? __raw_spin_lock_init+0x45/0x100 [ 495.601238][ T9493] ? __init_swait_queue_head+0xa9/0x150 [ 495.601262][ T9493] gfs2_sys_fs_add+0x234/0x450 [ 495.601285][ T9493] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 495.601309][ T9493] ? is_dynamic_key+0xd6/0x1c0 [ 495.601331][ T9493] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 495.601361][ T9493] gfs2_fill_super+0x13c0/0x20d0 [ 495.601393][ T9493] ? __pfx_gfs2_fill_super+0x10/0x10 [ 495.601417][ T9493] ? sb_set_blocksize+0x104/0x180 [ 495.601436][ T9493] ? setup_bdev_super+0x4c1/0x5b0 [ 495.601462][ T9493] get_tree_bdev_flags+0x40e/0x4d0 [ 495.601481][ T9493] ? __pfx_gfs2_fill_super+0x10/0x10 [ 495.601521][ T9493] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 495.601542][ T9493] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 495.601570][ T9493] gfs2_get_tree+0x51/0x1e0 [ 495.601596][ T9493] vfs_get_tree+0x92/0x2b0 [ 495.601621][ T9493] do_new_mount+0x302/0xa10 [ 495.601642][ T9493] ? apparmor_capable+0x137/0x1b0 [ 495.601667][ T9493] ? __pfx_do_new_mount+0x10/0x10 [ 495.601692][ T9493] ? ns_capable+0x8a/0xf0 [ 495.601720][ T9493] ? kmem_cache_free+0x19a/0x690 [ 495.601754][ T9493] __se_sys_mount+0x313/0x410 [ 495.601785][ T9493] ? __pfx___se_sys_mount+0x10/0x10 [ 495.601813][ T9493] ? do_syscall_64+0xbe/0xfa0 [ 495.601830][ T9493] ? __x64_sys_mount+0x20/0xc0 [ 495.601855][ T9493] do_syscall_64+0xfa/0xfa0 [ 495.601871][ T9493] ? lockdep_hardirqs_on+0x9c/0x150 [ 495.601889][ T9493] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 495.601906][ T9493] ? clear_bhb_loop+0x60/0xb0 [ 495.601928][ T9493] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 495.601945][ T9493] RIP: 0033:0x7feccecd494a [ 495.601963][ T9493] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 495.601979][ T9493] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 495.602002][ T9493] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 495.602015][ T9493] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 495.602028][ T9493] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 495.602041][ T9493] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 495.602053][ T9493] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 495.602094][ T9493] [ 495.602122][ T9493] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 495.741729][ T9507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 495.745176][ T9493] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 495.813157][ T9507] CPU: 0 UID: 0 PID: 9507 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 495.813184][ T9507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 495.813195][ T9507] Call Trace: [ 495.813204][ T9507] [ 495.813212][ T9507] dump_stack_lvl+0x189/0x250 [ 495.813243][ T9507] ? __pfx_dump_stack_lvl+0x10/0x10 [ 495.813265][ T9507] ? __pfx__printk+0x10/0x10 [ 495.813295][ T9507] ? kernfs_path_from_node+0x250/0x290 [ 495.813315][ T9507] ? kernfs_path_from_node+0x2f/0x290 [ 495.813338][ T9507] sysfs_create_dir_ns+0x259/0x280 [ 495.813362][ T9507] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 495.813384][ T9507] ? do_raw_spin_unlock+0x122/0x240 [ 495.813409][ T9507] kobject_add_internal+0x59f/0xb40 [ 495.813440][ T9507] kobject_init_and_add+0x125/0x190 [ 495.813466][ T9507] ? __pfx_kobject_init_and_add+0x10/0x10 [ 495.813489][ T9507] ? __raw_spin_lock_init+0x45/0x100 [ 495.813510][ T9507] ? __init_swait_queue_head+0xa9/0x150 [ 495.813534][ T9507] gfs2_sys_fs_add+0x234/0x450 [ 495.813556][ T9507] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 495.813582][ T9507] ? is_dynamic_key+0xd6/0x1c0 [ 495.813603][ T9507] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 495.813789][ T9507] gfs2_fill_super+0x13c0/0x20d0 [ 495.813832][ T9507] ? __pfx_gfs2_fill_super+0x10/0x10 [ 495.813860][ T9507] ? sb_set_blocksize+0x104/0x180 [ 495.813883][ T9507] ? setup_bdev_super+0x4c1/0x5b0 [ 495.813910][ T9507] get_tree_bdev_flags+0x40e/0x4d0 [ 495.813935][ T9507] ? __pfx_gfs2_fill_super+0x10/0x10 [ 495.813959][ T9507] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 495.813980][ T9507] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 495.814009][ T9507] gfs2_get_tree+0x51/0x1e0 [ 495.814036][ T9507] vfs_get_tree+0x92/0x2b0 [ 495.814063][ T9507] do_new_mount+0x302/0xa10 [ 495.814085][ T9507] ? apparmor_capable+0x137/0x1b0 [ 495.814112][ T9507] ? __pfx_do_new_mount+0x10/0x10 [ 495.814141][ T9507] ? ns_capable+0x8a/0xf0 [ 495.814169][ T9507] ? kmem_cache_free+0x19a/0x690 [ 495.814204][ T9507] __se_sys_mount+0x313/0x410 [ 495.814235][ T9507] ? __pfx___se_sys_mount+0x10/0x10 [ 495.814266][ T9507] ? do_syscall_64+0xbe/0xfa0 [ 495.814284][ T9507] ? __x64_sys_mount+0x20/0xc0 [ 495.814312][ T9507] do_syscall_64+0xfa/0xfa0 [ 495.814331][ T9507] ? lockdep_hardirqs_on+0x9c/0x150 [ 495.814350][ T9507] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 495.814369][ T9507] ? clear_bhb_loop+0x60/0xb0 [ 495.814391][ T9507] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 495.814409][ T9507] RIP: 0033:0x7feccecd494a [ 495.814428][ T9507] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 495.814444][ T9507] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 495.814464][ T9507] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 495.814477][ T9507] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 495.814488][ T9507] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 495.814499][ T9507] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 495.814508][ T9507] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 495.814535][ T9507] [ 495.851529][ T9507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. executing program [ 496.483395][ T9507] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program executing program executing program [ 497.954646][ T3495] hsr_slave_0: left promiscuous mode [ 497.985679][ T3495] hsr_slave_1: left promiscuous mode [ 498.002557][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 498.030739][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 498.069652][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 498.098680][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 498.237052][ T3495] hsr_slave_0: left promiscuous mode [ 498.277050][ T3495] hsr_slave_1: left promiscuous mode [ 498.305957][ T9531] loop0: detected capacity change from 0 to 32768 [ 498.307123][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 498.355754][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 498.356009][ T9531] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 498.395275][ T9531] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 498.428771][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 498.436716][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 498.483376][ T9537] loop4: detected capacity change from 0 to 32768 [ 498.521110][ T9537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 498.536952][ T9537] CPU: 1 UID: 0 PID: 9537 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 498.536977][ T9537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 498.536989][ T9537] Call Trace: [ 498.536998][ T9537] [ 498.537006][ T9537] dump_stack_lvl+0x189/0x250 [ 498.537038][ T9537] ? __pfx_dump_stack_lvl+0x10/0x10 [ 498.537060][ T9537] ? __pfx__printk+0x10/0x10 [ 498.537090][ T9537] ? kernfs_path_from_node+0x250/0x290 [ 498.537110][ T9537] ? kernfs_path_from_node+0x2f/0x290 [ 498.537135][ T9537] sysfs_create_dir_ns+0x259/0x280 [ 498.537159][ T9537] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 498.537182][ T9537] ? do_raw_spin_unlock+0x122/0x240 [ 498.537207][ T9537] kobject_add_internal+0x59f/0xb40 [ 498.537238][ T9537] kobject_init_and_add+0x125/0x190 [ 498.537266][ T9537] ? __pfx_kobject_init_and_add+0x10/0x10 [ 498.537297][ T9537] ? __raw_spin_lock_init+0x45/0x100 [ 498.537318][ T9537] ? __init_swait_queue_head+0xa9/0x150 [ 498.537342][ T9537] gfs2_sys_fs_add+0x234/0x450 [ 498.537365][ T9537] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 498.537392][ T9537] ? is_dynamic_key+0xd6/0x1c0 [ 498.537414][ T9537] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 498.537450][ T9537] gfs2_fill_super+0x13c0/0x20d0 [ 498.537491][ T9537] ? __pfx_gfs2_fill_super+0x10/0x10 [ 498.537519][ T9537] ? sb_set_blocksize+0x104/0x180 [ 498.537541][ T9537] ? setup_bdev_super+0x4c1/0x5b0 [ 498.537569][ T9537] get_tree_bdev_flags+0x40e/0x4d0 [ 498.537594][ T9537] ? __pfx_gfs2_fill_super+0x10/0x10 [ 498.537617][ T9537] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 498.537639][ T9537] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 498.537669][ T9537] gfs2_get_tree+0x51/0x1e0 [ 498.537696][ T9537] vfs_get_tree+0x92/0x2b0 [ 498.537723][ T9537] do_new_mount+0x302/0xa10 [ 498.537747][ T9537] ? apparmor_capable+0x137/0x1b0 [ 498.537775][ T9537] ? __pfx_do_new_mount+0x10/0x10 [ 498.537799][ T9537] ? ns_capable+0x8a/0xf0 [ 498.537828][ T9537] ? kmem_cache_free+0x19a/0x690 [ 498.537864][ T9537] __se_sys_mount+0x313/0x410 [ 498.537896][ T9537] ? __pfx___se_sys_mount+0x10/0x10 [ 498.537926][ T9537] ? do_syscall_64+0xbe/0xfa0 [ 498.537945][ T9537] ? __x64_sys_mount+0x20/0xc0 [ 498.537971][ T9537] do_syscall_64+0xfa/0xfa0 [ 498.537990][ T9537] ? lockdep_hardirqs_on+0x9c/0x150 [ 498.538009][ T9537] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 498.538027][ T9537] ? clear_bhb_loop+0x60/0xb0 [ 498.538050][ T9537] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 498.538067][ T9537] RIP: 0033:0x7feccecd494a [ 498.538085][ T9537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 498.538100][ T9537] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 498.538120][ T9537] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 498.538134][ T9537] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 498.538147][ T9537] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 498.538160][ T9537] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 498.538172][ T9537] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 498.538203][ T9537] [ 498.538285][ T9537] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 498.587795][ T9531] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 498.589948][ T9537] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 498.639943][ T9332] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 498.680000][ T9543] loop3: detected capacity change from 0 to 32768 [ 498.692267][ T9540] loop1: detected capacity change from 0 to 32768 [ 498.767082][ T3495] hsr_slave_0: left promiscuous mode [ 498.814637][ T9332] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 498.954918][ T9543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 498.999615][ T9540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 499.007260][ T9540] CPU: 1 UID: 0 PID: 9540 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 499.007287][ T9540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 499.007298][ T9540] Call Trace: [ 499.007307][ T9540] [ 499.007316][ T9540] dump_stack_lvl+0x189/0x250 [ 499.007356][ T9540] ? __pfx_dump_stack_lvl+0x10/0x10 [ 499.007378][ T9540] ? __pfx__printk+0x10/0x10 [ 499.007409][ T9540] ? kernfs_path_from_node+0x250/0x290 [ 499.007430][ T9540] ? kernfs_path_from_node+0x2f/0x290 [ 499.007455][ T9540] sysfs_create_dir_ns+0x259/0x280 [ 499.007479][ T9540] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 499.007502][ T9540] ? do_raw_spin_unlock+0x122/0x240 [ 499.007528][ T9540] kobject_add_internal+0x59f/0xb40 [ 499.007560][ T9540] kobject_init_and_add+0x125/0x190 [ 499.007589][ T9540] ? __pfx_kobject_init_and_add+0x10/0x10 [ 499.007612][ T9540] ? __raw_spin_lock_init+0x45/0x100 [ 499.007634][ T9540] ? __init_swait_queue_head+0xa9/0x150 [ 499.007658][ T9540] gfs2_sys_fs_add+0x234/0x450 [ 499.007683][ T9540] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 499.007710][ T9540] ? is_dynamic_key+0xd6/0x1c0 [ 499.007732][ T9540] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 499.007769][ T9540] gfs2_fill_super+0x13c0/0x20d0 [ 499.007810][ T9540] ? __pfx_gfs2_fill_super+0x10/0x10 [ 499.007839][ T9540] ? sb_set_blocksize+0x104/0x180 [ 499.007862][ T9540] ? setup_bdev_super+0x4c1/0x5b0 [ 499.007890][ T9540] get_tree_bdev_flags+0x40e/0x4d0 [ 499.007915][ T9540] ? __pfx_gfs2_fill_super+0x10/0x10 [ 499.007939][ T9540] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 499.007962][ T9540] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 499.007992][ T9540] gfs2_get_tree+0x51/0x1e0 [ 499.008020][ T9540] vfs_get_tree+0x92/0x2b0 [ 499.008047][ T9540] do_new_mount+0x302/0xa10 [ 499.008071][ T9540] ? apparmor_capable+0x137/0x1b0 [ 499.008099][ T9540] ? __pfx_do_new_mount+0x10/0x10 [ 499.008124][ T9540] ? ns_capable+0x8a/0xf0 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 499.008153][ T9540] ? kmem_cache_free+0x19a/0x690 [ 499.008193][ T9540] __se_sys_mount+0x313/0x410 [ 499.008225][ T9540] ? __pfx___se_sys_mount+0x10/0x10 [ 499.008256][ T9540] ? do_syscall_64+0xbe/0xfa0 [ 499.008274][ T9540] ? __x64_sys_mount+0x20/0xc0 [ 499.008302][ T9540] do_syscall_64+0xfa/0xfa0 [ 499.008321][ T9540] ? lockdep_hardirqs_on+0x9c/0x150 [ 499.008340][ T9540] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 499.008365][ T9540] ? clear_bhb_loop+0x60/0xb0 [ 499.008387][ T9540] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 499.008405][ T9540] RIP: 0033:0x7feccecd494a [ 499.008422][ T9540] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 499.008438][ T9540] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 499.008458][ T9540] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 499.008472][ T9540] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 executing program [ 499.008486][ T9540] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 499.008498][ T9540] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 499.008510][ T9540] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 499.008542][ T9540] [ 499.008733][ T9540] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 499.013142][ T9543] CPU: 0 UID: 0 PID: 9543 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 499.013167][ T9543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 499.013178][ T9543] Call Trace: [ 499.013186][ T9543] [ 499.013194][ T9543] dump_stack_lvl+0x189/0x250 [ 499.013224][ T9543] ? __pfx_dump_stack_lvl+0x10/0x10 [ 499.013246][ T9543] ? __pfx__printk+0x10/0x10 [ 499.013275][ T9543] ? kernfs_path_from_node+0x250/0x290 [ 499.013294][ T9543] ? kernfs_path_from_node+0x2f/0x290 [ 499.013318][ T9543] sysfs_create_dir_ns+0x259/0x280 [ 499.013341][ T9543] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 499.013363][ T9543] ? do_raw_spin_unlock+0x122/0x240 [ 499.013387][ T9543] kobject_add_internal+0x59f/0xb40 [ 499.013418][ T9543] kobject_init_and_add+0x125/0x190 [ 499.013445][ T9543] ? __pfx_kobject_init_and_add+0x10/0x10 [ 499.013467][ T9543] ? __raw_spin_lock_init+0x45/0x100 [ 499.013488][ T9543] ? __init_swait_queue_head+0xa9/0x150 [ 499.013512][ T9543] gfs2_sys_fs_add+0x234/0x450 [ 499.013535][ T9543] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 499.013561][ T9543] ? is_dynamic_key+0xd6/0x1c0 [ 499.013583][ T9543] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 499.013629][ T9543] gfs2_fill_super+0x13c0/0x20d0 [ 499.013669][ T9543] ? __pfx_gfs2_fill_super+0x10/0x10 [ 499.013697][ T9543] ? sb_set_blocksize+0x104/0x180 [ 499.013719][ T9543] ? setup_bdev_super+0x4c1/0x5b0 [ 499.013746][ T9543] get_tree_bdev_flags+0x40e/0x4d0 [ 499.013770][ T9543] ? __pfx_gfs2_fill_super+0x10/0x10 [ 499.013794][ T9543] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 499.013816][ T9543] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 499.013844][ T9543] gfs2_get_tree+0x51/0x1e0 [ 499.013871][ T9543] vfs_get_tree+0x92/0x2b0 [ 499.013897][ T9543] do_new_mount+0x302/0xa10 [ 499.013921][ T9543] ? apparmor_capable+0x137/0x1b0 [ 499.013947][ T9543] ? __pfx_do_new_mount+0x10/0x10 [ 499.013972][ T9543] ? ns_capable+0x8a/0xf0 [ 499.013999][ T9543] ? kmem_cache_free+0x19a/0x690 [ 499.014034][ T9543] __se_sys_mount+0x313/0x410 [ 499.014066][ T9543] ? __pfx___se_sys_mount+0x10/0x10 [ 499.014094][ T9543] ? do_syscall_64+0xbe/0xfa0 [ 499.014112][ T9543] ? __x64_sys_mount+0x20/0xc0 [ 499.014138][ T9543] do_syscall_64+0xfa/0xfa0 [ 499.014156][ T9543] ? lockdep_hardirqs_on+0x9c/0x150 [ 499.014175][ T9543] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 499.014192][ T9543] ? clear_bhb_loop+0x60/0xb0 [ 499.014213][ T9543] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 499.014231][ T9543] RIP: 0033:0x7feccecd494a [ 499.014248][ T9543] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 499.014263][ T9543] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 499.014283][ T9543] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 499.014296][ T9543] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 499.014309][ T9543] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 499.014321][ T9543] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 499.014332][ T9543] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 499.014362][ T9543] [ 499.014387][ T9543] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 499.097135][ T3495] hsr_slave_1: left promiscuous mode [ 499.106993][ T9543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 499.117938][ T9540] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 499.133748][ T9332] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 319ms [ 499.180311][ T9545] loop2: detected capacity change from 0 to 32768 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 499.185889][ T9332] gfs2: fsid=syz:syz.0: jid=0: Done [ 499.234283][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 499.498529][ T9531] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 499.577508][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_0 executing program [ 499.777647][ T9545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 499.786147][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 499.799593][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 499.815545][ T9545] CPU: 1 UID: 0 PID: 9545 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 499.815573][ T9545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 499.815585][ T9545] Call Trace: [ 499.815593][ T9545] [ 499.815601][ T9545] dump_stack_lvl+0x189/0x250 [ 499.815631][ T9545] ? __pfx_dump_stack_lvl+0x10/0x10 [ 499.815653][ T9545] ? __pfx__printk+0x10/0x10 [ 499.815682][ T9545] ? kernfs_path_from_node+0x250/0x290 [ 499.815702][ T9545] ? kernfs_path_from_node+0x2f/0x290 [ 499.815726][ T9545] sysfs_create_dir_ns+0x259/0x280 [ 499.815750][ T9545] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 499.815773][ T9545] ? do_raw_spin_unlock+0x122/0x240 [ 499.815798][ T9545] kobject_add_internal+0x59f/0xb40 [ 499.815829][ T9545] kobject_init_and_add+0x125/0x190 [ 499.815857][ T9545] ? __pfx_kobject_init_and_add+0x10/0x10 [ 499.815880][ T9545] ? __raw_spin_lock_init+0x45/0x100 [ 499.815902][ T9545] ? __init_swait_queue_head+0xa9/0x150 [ 499.815926][ T9545] gfs2_sys_fs_add+0x234/0x450 [ 499.815950][ T9545] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 499.815976][ T9545] ? is_dynamic_key+0xd6/0x1c0 [ 499.815998][ T9545] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 499.816035][ T9545] gfs2_fill_super+0x13c0/0x20d0 [ 499.816075][ T9545] ? __pfx_gfs2_fill_super+0x10/0x10 [ 499.816104][ T9545] ? sb_set_blocksize+0x104/0x180 [ 499.816126][ T9545] ? setup_bdev_super+0x4c1/0x5b0 [ 499.816158][ T9545] get_tree_bdev_flags+0x40e/0x4d0 [ 499.816182][ T9545] ? __pfx_gfs2_fill_super+0x10/0x10 [ 499.816205][ T9545] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 499.816226][ T9545] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 499.816254][ T9545] gfs2_get_tree+0x51/0x1e0 [ 499.816281][ T9545] vfs_get_tree+0x92/0x2b0 [ 499.816307][ T9545] do_new_mount+0x302/0xa10 [ 499.816330][ T9545] ? apparmor_capable+0x137/0x1b0 [ 499.816358][ T9545] ? __pfx_do_new_mount+0x10/0x10 [ 499.816383][ T9545] ? ns_capable+0x8a/0xf0 [ 499.816411][ T9545] ? kmem_cache_free+0x19a/0x690 [ 499.816446][ T9545] __se_sys_mount+0x313/0x410 [ 499.816479][ T9545] ? __pfx___se_sys_mount+0x10/0x10 [ 499.816555][ T9545] ? do_syscall_64+0xbe/0xfa0 [ 499.816573][ T9545] ? __x64_sys_mount+0x20/0xc0 [ 499.816600][ T9545] do_syscall_64+0xfa/0xfa0 [ 499.816617][ T9545] ? lockdep_hardirqs_on+0x9c/0x150 [ 499.816634][ T9545] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 499.816650][ T9545] ? clear_bhb_loop+0x60/0xb0 [ 499.816672][ T9545] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 499.816689][ T9545] RIP: 0033:0x7feccecd494a [ 499.816704][ T9545] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 499.816720][ T9545] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 499.816741][ T9545] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 499.816754][ T9545] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 499.816767][ T9545] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 499.816781][ T9545] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 499.816793][ T9545] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 499.816824][ T9545] [ 499.816853][ T9545] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 500.161632][ T9545] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 500.355752][ T3495] hsr_slave_0: left promiscuous mode the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 500.403720][ T3495] hsr_slave_1: left promiscuous mode [ 500.432017][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 500.481184][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_0 executing program [ 500.531330][ T3495] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 500.569329][ T3495] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 500.608937][ T9562] loop4: detected capacity change from 0 to 32768 [ 500.708593][ T9562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 500.743486][ T9562] CPU: 0 UID: 0 PID: 9562 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 500.743512][ T9562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 500.743523][ T9562] Call Trace: [ 500.743531][ T9562] [ 500.743541][ T9562] dump_stack_lvl+0x189/0x250 [ 500.743570][ T9562] ? __pfx_dump_stack_lvl+0x10/0x10 [ 500.743589][ T9562] ? __pfx__printk+0x10/0x10 [ 500.743617][ T9562] ? kernfs_path_from_node+0x250/0x290 [ 500.743640][ T9562] ? kernfs_path_from_node+0x2f/0x290 [ 500.743664][ T9562] sysfs_create_dir_ns+0x259/0x280 [ 500.743688][ T9562] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 500.743710][ T9562] ? do_raw_spin_unlock+0x122/0x240 [ 500.743734][ T9562] kobject_add_internal+0x59f/0xb40 [ 500.743764][ T9562] kobject_init_and_add+0x125/0x190 [ 500.743791][ T9562] ? __pfx_kobject_init_and_add+0x10/0x10 [ 500.743814][ T9562] ? __raw_spin_lock_init+0x45/0x100 [ 500.743836][ T9562] ? __init_swait_queue_head+0xa9/0x150 [ 500.743859][ T9562] gfs2_sys_fs_add+0x234/0x450 [ 500.743881][ T9562] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 500.743906][ T9562] ? is_dynamic_key+0xd6/0x1c0 [ 500.743929][ T9562] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 500.743963][ T9562] gfs2_fill_super+0x13c0/0x20d0 [ 500.744001][ T9562] ? __pfx_gfs2_fill_super+0x10/0x10 [ 500.744026][ T9562] ? sb_set_blocksize+0x104/0x180 [ 500.744048][ T9562] ? setup_bdev_super+0x4c1/0x5b0 [ 500.744077][ T9562] get_tree_bdev_flags+0x40e/0x4d0 [ 500.744099][ T9562] ? __pfx_gfs2_fill_super+0x10/0x10 [ 500.744122][ T9562] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 500.744143][ T9562] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 500.744171][ T9562] gfs2_get_tree+0x51/0x1e0 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 500.744196][ T9562] vfs_get_tree+0x92/0x2b0 [ 500.744221][ T9562] do_new_mount+0x302/0xa10 [ 500.744244][ T9562] ? apparmor_capable+0x137/0x1b0 [ 500.744271][ T9562] ? __pfx_do_new_mount+0x10/0x10 [ 500.744295][ T9562] ? ns_capable+0x8a/0xf0 [ 500.744322][ T9562] ? kmem_cache_free+0x19a/0x690 [ 500.744357][ T9562] __se_sys_mount+0x313/0x410 [ 500.744388][ T9562] ? __pfx___se_sys_mount+0x10/0x10 [ 500.744450][ T9562] ? do_syscall_64+0xbe/0xfa0 [ 500.744468][ T9562] ? __x64_sys_mount+0x20/0xc0 [ 500.744495][ T9562] do_syscall_64+0xfa/0xfa0 [ 500.744513][ T9562] ? lockdep_hardirqs_on+0x9c/0x150 [ 500.744532][ T9562] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 500.744550][ T9562] ? clear_bhb_loop+0x60/0xb0 [ 500.744571][ T9562] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 500.744588][ T9562] RIP: 0033:0x7feccecd494a [ 500.744606][ T9562] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 500.744620][ T9562] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 500.744638][ T9562] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 500.744652][ T9562] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 500.744664][ T9562] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 500.744677][ T9562] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 500.744690][ T9562] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 500.744721][ T9562] [ 500.744749][ T9562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 501.222150][ T9562] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 501.228437][ T3495] veth1_macvtap: left promiscuous mode [ 501.265182][ T3495] veth0_macvtap: left promiscuous mode [ 501.295783][ T3495] veth1_vlan: left promiscuous mode [ 501.348873][ T3495] veth0_vlan: left promiscuous mode [ 501.471899][ T3495] veth1_macvtap: left promiscuous mode [ 501.490051][ T3495] veth0_macvtap: left promiscuous mode [ 501.495765][ T3495] veth1_vlan: left promiscuous mode [ 501.523635][ T3495] veth0_vlan: left promiscuous mode [ 501.578163][ T3495] veth1_macvtap: left promiscuous mode [ 501.591774][ T1301] ieee802154 phy0 wpan0: encryption failed: -22 [ 501.598241][ T1301] ieee802154 phy1 wpan1: encryption failed: -22 [ 501.612124][ T3495] veth0_macvtap: left promiscuous mode [ 501.620286][ T3495] veth1_vlan: left promiscuous mode [ 501.638993][ T3495] veth0_vlan: left promiscuous mode the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program [ 501.717502][ T3495] veth1_macvtap: left promiscuous mode [ 501.723084][ T3495] veth0_macvtap: left promiscuous mode [ 501.725797][ T9568] loop3: detected capacity change from 0 to 32768 executing program [ 501.757999][ T3495] veth1_vlan: left promiscuous mode [ 501.763441][ T3495] veth0_vlan: left promiscuous mode [ 501.798509][ T9568] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 501.850867][ T9568] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 501.902777][ T9568] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 501.938644][ T983] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 501.977629][ T983] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 502.082439][ T9574] loop1: detected capacity change from 0 to 32768 [ 502.112972][ T983] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 135ms [ 502.140087][ T9574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 502.189016][ T983] gfs2: fsid=syz:syz.0: jid=0: Done [ 502.207082][ T9574] CPU: 1 UID: 0 PID: 9574 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 502.207109][ T9574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 502.207120][ T9574] Call Trace: [ 502.207129][ T9574] [ 502.207137][ T9574] dump_stack_lvl+0x189/0x250 [ 502.207167][ T9574] ? __pfx_dump_stack_lvl+0x10/0x10 [ 502.207189][ T9574] ? __pfx__printk+0x10/0x10 [ 502.207219][ T9574] ? kernfs_path_from_node+0x250/0x290 [ 502.207238][ T9574] ? kernfs_path_from_node+0x2f/0x290 [ 502.207261][ T9574] sysfs_create_dir_ns+0x259/0x280 [ 502.207284][ T9574] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 502.207306][ T9574] ? do_raw_spin_unlock+0x122/0x240 [ 502.207331][ T9574] kobject_add_internal+0x59f/0xb40 [ 502.207363][ T9574] kobject_init_and_add+0x125/0x190 [ 502.207392][ T9574] ? __pfx_kobject_init_and_add+0x10/0x10 [ 502.207419][ T9574] ? __raw_spin_lock_init+0x45/0x100 [ 502.207441][ T9574] ? __init_swait_queue_head+0xa9/0x150 [ 502.207465][ T9574] gfs2_sys_fs_add+0x234/0x450 [ 502.207489][ T9574] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 502.207516][ T9574] ? is_dynamic_key+0xd6/0x1c0 [ 502.207537][ T9574] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 502.207574][ T9574] gfs2_fill_super+0x13c0/0x20d0 [ 502.207616][ T9574] ? __pfx_gfs2_fill_super+0x10/0x10 [ 502.207644][ T9574] ? sb_set_blocksize+0x104/0x180 [ 502.207666][ T9574] ? setup_bdev_super+0x4c1/0x5b0 [ 502.207694][ T9574] get_tree_bdev_flags+0x40e/0x4d0 [ 502.207717][ T9574] ? __pfx_gfs2_fill_super+0x10/0x10 [ 502.207740][ T9574] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 502.207762][ T9574] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 502.207792][ T9574] gfs2_get_tree+0x51/0x1e0 [ 502.207819][ T9574] vfs_get_tree+0x92/0x2b0 [ 502.207846][ T9574] do_new_mount+0x302/0xa10 [ 502.207869][ T9574] ? apparmor_capable+0x137/0x1b0 [ 502.207897][ T9574] ? __pfx_do_new_mount+0x10/0x10 [ 502.207922][ T9574] ? ns_capable+0x8a/0xf0 [ 502.207950][ T9574] ? kmem_cache_free+0x19a/0x690 [ 502.207986][ T9574] __se_sys_mount+0x313/0x410 [ 502.208018][ T9574] ? __pfx___se_sys_mount+0x10/0x10 [ 502.208053][ T9574] ? do_syscall_64+0xbe/0xfa0 [ 502.208072][ T9574] ? __x64_sys_mount+0x20/0xc0 [ 502.208100][ T9574] do_syscall_64+0xfa/0xfa0 [ 502.208118][ T9574] ? lockdep_hardirqs_on+0x9c/0x150 [ 502.208138][ T9574] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 502.208156][ T9574] ? clear_bhb_loop+0x60/0xb0 [ 502.208178][ T9574] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 502.208196][ T9574] RIP: 0033:0x7feccecd494a [ 502.208214][ T9574] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 502.208230][ T9574] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 502.208250][ T9574] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 502.208264][ T9574] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 502.208278][ T9574] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 502.208290][ T9574] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 502.208303][ T9574] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 502.208335][ T9574] [ 502.208545][ T9574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 502.218040][ T9568] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 502.228834][ T9574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 502.611887][ T9576] loop2: detected capacity change from 0 to 32768 [ 502.649895][ T9576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 502.674754][ T9576] CPU: 0 UID: 0 PID: 9576 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 502.674780][ T9576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 502.674791][ T9576] Call Trace: [ 502.674800][ T9576] [ 502.674809][ T9576] dump_stack_lvl+0x189/0x250 [ 502.674861][ T9576] ? __pfx_dump_stack_lvl+0x10/0x10 [ 502.674882][ T9576] ? __pfx__printk+0x10/0x10 [ 502.674911][ T9576] ? kernfs_path_from_node+0x250/0x290 [ 502.674932][ T9576] ? kernfs_path_from_node+0x2f/0x290 [ 502.674957][ T9576] sysfs_create_dir_ns+0x259/0x280 [ 502.674982][ T9576] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 502.675013][ T9576] ? do_raw_spin_unlock+0x122/0x240 [ 502.675040][ T9576] kobject_add_internal+0x59f/0xb40 [ 502.675073][ T9576] kobject_init_and_add+0x125/0x190 [ 502.675102][ T9576] ? __pfx_kobject_init_and_add+0x10/0x10 [ 502.675126][ T9576] ? __raw_spin_lock_init+0x45/0x100 [ 502.675148][ T9576] ? __init_swait_queue_head+0xa9/0x150 [ 502.675172][ T9576] gfs2_sys_fs_add+0x234/0x450 [ 502.675196][ T9576] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 502.675223][ T9576] ? is_dynamic_key+0xd6/0x1c0 [ 502.675244][ T9576] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 502.675280][ T9576] gfs2_fill_super+0x13c0/0x20d0 [ 502.675321][ T9576] ? __pfx_gfs2_fill_super+0x10/0x10 [ 502.675350][ T9576] ? sb_set_blocksize+0x104/0x180 [ 502.675373][ T9576] ? setup_bdev_super+0x4c1/0x5b0 [ 502.675402][ T9576] get_tree_bdev_flags+0x40e/0x4d0 [ 502.675426][ T9576] ? __pfx_gfs2_fill_super+0x10/0x10 [ 502.675451][ T9576] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 502.675473][ T9576] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 502.675504][ T9576] gfs2_get_tree+0x51/0x1e0 [ 502.675532][ T9576] vfs_get_tree+0x92/0x2b0 [ 502.675558][ T9576] do_new_mount+0x302/0xa10 [ 502.675583][ T9576] ? apparmor_capable+0x137/0x1b0 [ 502.675611][ T9576] ? __pfx_do_new_mount+0x10/0x10 [ 502.675637][ T9576] ? ns_capable+0x8a/0xf0 [ 502.675665][ T9576] ? kmem_cache_free+0x19a/0x690 [ 502.675702][ T9576] __se_sys_mount+0x313/0x410 [ 502.675735][ T9576] ? __pfx___se_sys_mount+0x10/0x10 [ 502.675766][ T9576] ? do_syscall_64+0xbe/0xfa0 [ 502.675784][ T9576] ? __x64_sys_mount+0x20/0xc0 [ 502.675812][ T9576] do_syscall_64+0xfa/0xfa0 [ 502.675831][ T9576] ? lockdep_hardirqs_on+0x9c/0x150 [ 502.675851][ T9576] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 502.675869][ T9576] ? clear_bhb_loop+0x60/0xb0 [ 502.675892][ T9576] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 502.675911][ T9576] RIP: 0033:0x7feccecd494a [ 502.675928][ T9576] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 502.675944][ T9576] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 502.675965][ T9576] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 502.675979][ T9576] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 502.676002][ T9576] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 502.676016][ T9576] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 502.676028][ T9576] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 502.676061][ T9576] [ 502.676088][ T9576] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 503.361031][ T9581] loop0: detected capacity change from 0 to 32768 [ 503.396731][ T9581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 503.407638][ T9581] CPU: 1 UID: 0 PID: 9581 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 503.407666][ T9581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 503.407677][ T9581] Call Trace: [ 503.407686][ T9581] [ 503.407694][ T9581] dump_stack_lvl+0x189/0x250 [ 503.407724][ T9581] ? __pfx_dump_stack_lvl+0x10/0x10 [ 503.407750][ T9581] ? __pfx__printk+0x10/0x10 [ 503.407781][ T9581] ? kernfs_path_from_node+0x250/0x290 [ 503.407801][ T9581] ? kernfs_path_from_node+0x2f/0x290 [ 503.407826][ T9581] sysfs_create_dir_ns+0x259/0x280 [ 503.407849][ T9581] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 503.407872][ T9581] ? do_raw_spin_unlock+0x122/0x240 [ 503.407898][ T9581] kobject_add_internal+0x59f/0xb40 [ 503.407940][ T9581] kobject_init_and_add+0x125/0x190 [ 503.407968][ T9581] ? __pfx_kobject_init_and_add+0x10/0x10 [ 503.407991][ T9581] ? __raw_spin_lock_init+0x45/0x100 [ 503.408014][ T9581] ? __init_swait_queue_head+0xa9/0x150 [ 503.408038][ T9581] gfs2_sys_fs_add+0x234/0x450 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 503.408060][ T9581] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 503.408087][ T9581] ? is_dynamic_key+0xd6/0x1c0 [ 503.408110][ T9581] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 503.408146][ T9581] gfs2_fill_super+0x13c0/0x20d0 [ 503.408186][ T9581] ? __pfx_gfs2_fill_super+0x10/0x10 [ 503.408210][ T9581] ? sb_set_blocksize+0x104/0x180 [ 503.408231][ T9581] ? setup_bdev_super+0x4c1/0x5b0 [ 503.408259][ T9581] get_tree_bdev_flags+0x40e/0x4d0 [ 503.408285][ T9581] ? __pfx_gfs2_fill_super+0x10/0x10 [ 503.408309][ T9581] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 503.408331][ T9581] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 503.408361][ T9581] gfs2_get_tree+0x51/0x1e0 [ 503.408388][ T9581] vfs_get_tree+0x92/0x2b0 [ 503.408415][ T9581] do_new_mount+0x302/0xa10 [ 503.408440][ T9581] ? apparmor_capable+0x137/0x1b0 [ 503.408468][ T9581] ? __pfx_do_new_mount+0x10/0x10 [ 503.408493][ T9581] ? ns_capable+0x8a/0xf0 [ 503.408529][ T9581] ? kmem_cache_free+0x19a/0x690 [ 503.408566][ T9581] __se_sys_mount+0x313/0x410 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 503.408599][ T9581] ? __pfx___se_sys_mount+0x10/0x10 [ 503.408629][ T9581] ? do_syscall_64+0xbe/0xfa0 [ 503.408648][ T9581] ? __x64_sys_mount+0x20/0xc0 [ 503.408676][ T9581] do_syscall_64+0xfa/0xfa0 [ 503.408694][ T9581] ? lockdep_hardirqs_on+0x9c/0x150 [ 503.408713][ T9581] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 503.408732][ T9581] ? clear_bhb_loop+0x60/0xb0 [ 503.408755][ T9581] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 503.408772][ T9581] RIP: 0033:0x7feccecd494a [ 503.408790][ T9581] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 503.408806][ T9581] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 503.408826][ T9581] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 503.408841][ T9581] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 503.408853][ T9581] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 503.408867][ T9581] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 503.408879][ T9581] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 503.408910][ T9581] [ 503.429845][ T9581] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 503.594648][ T9585] loop4: detected capacity change from 0 to 32768 [ 503.597708][ T9576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 503.750512][ T9585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 503.753555][ T9581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 503.863351][ T9585] CPU: 1 UID: 0 PID: 9585 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 503.863378][ T9585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 503.863390][ T9585] Call Trace: [ 503.863398][ T9585] [ 503.863407][ T9585] dump_stack_lvl+0x189/0x250 [ 503.863437][ T9585] ? __pfx_dump_stack_lvl+0x10/0x10 [ 503.863459][ T9585] ? __pfx__printk+0x10/0x10 [ 503.863489][ T9585] ? kernfs_path_from_node+0x250/0x290 [ 503.863509][ T9585] ? kernfs_path_from_node+0x2f/0x290 [ 503.863534][ T9585] sysfs_create_dir_ns+0x259/0x280 [ 503.863558][ T9585] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 503.863581][ T9585] ? do_raw_spin_unlock+0x122/0x240 [ 503.863606][ T9585] kobject_add_internal+0x59f/0xb40 [ 503.863638][ T9585] kobject_init_and_add+0x125/0x190 [ 503.863666][ T9585] ? __pfx_kobject_init_and_add+0x10/0x10 [ 503.863689][ T9585] ? __raw_spin_lock_init+0x45/0x100 [ 503.863711][ T9585] ? __init_swait_queue_head+0xa9/0x150 [ 503.863735][ T9585] gfs2_sys_fs_add+0x234/0x450 [ 503.863758][ T9585] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 503.863784][ T9585] ? is_dynamic_key+0xd6/0x1c0 [ 503.863806][ T9585] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 503.863842][ T9585] gfs2_fill_super+0x13c0/0x20d0 [ 503.863882][ T9585] ? __pfx_gfs2_fill_super+0x10/0x10 [ 503.863912][ T9585] ? sb_set_blocksize+0x104/0x180 [ 503.863934][ T9585] ? setup_bdev_super+0x4c1/0x5b0 [ 503.863962][ T9585] get_tree_bdev_flags+0x40e/0x4d0 [ 503.863986][ T9585] ? __pfx_gfs2_fill_super+0x10/0x10 [ 503.864010][ T9585] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 503.864033][ T9585] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 503.864063][ T9585] gfs2_get_tree+0x51/0x1e0 [ 503.864090][ T9585] vfs_get_tree+0x92/0x2b0 [ 503.864117][ T9585] do_new_mount+0x302/0xa10 [ 503.864147][ T9585] ? apparmor_capable+0x137/0x1b0 [ 503.864176][ T9585] ? __pfx_do_new_mount+0x10/0x10 [ 503.864200][ T9585] ? ns_capable+0x8a/0xf0 [ 503.864228][ T9585] ? kmem_cache_free+0x19a/0x690 [ 503.864267][ T9585] __se_sys_mount+0x313/0x410 [ 503.864300][ T9585] ? __pfx___se_sys_mount+0x10/0x10 [ 503.864330][ T9585] ? do_syscall_64+0xbe/0xfa0 [ 503.864348][ T9585] ? __x64_sys_mount+0x20/0xc0 [ 503.864376][ T9585] do_syscall_64+0xfa/0xfa0 [ 503.864394][ T9585] ? lockdep_hardirqs_on+0x9c/0x150 [ 503.864413][ T9585] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 503.864431][ T9585] ? clear_bhb_loop+0x60/0xb0 [ 503.864454][ T9585] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 503.864471][ T9585] RIP: 0033:0x7feccecd494a the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 503.864488][ T9585] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 503.864505][ T9585] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 503.864525][ T9585] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 503.864539][ T9585] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 503.864552][ T9585] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 executing program [ 503.864565][ T9585] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 503.864578][ T9585] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 503.864610][ T9585] [ 503.864635][ T9585] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 504.202222][ T9585] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program [ 505.641128][ T9599] loop1: detected capacity change from 0 to 32768 [ 505.655437][ T9601] loop0: detected capacity change from 0 to 32768 [ 505.702917][ T9599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 505.715723][ T9601] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 505.734688][ T9599] CPU: 1 UID: 0 PID: 9599 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 505.734715][ T9599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 505.734725][ T9599] Call Trace: [ 505.734733][ T9599] [ 505.734742][ T9599] dump_stack_lvl+0x189/0x250 [ 505.734772][ T9599] ? __pfx_dump_stack_lvl+0x10/0x10 [ 505.734793][ T9599] ? __pfx__printk+0x10/0x10 [ 505.734822][ T9599] ? kernfs_path_from_node+0x250/0x290 [ 505.734840][ T9599] ? kernfs_path_from_node+0x2f/0x290 [ 505.734862][ T9599] sysfs_create_dir_ns+0x259/0x280 [ 505.734884][ T9599] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 505.734905][ T9599] ? do_raw_spin_unlock+0x122/0x240 [ 505.734930][ T9599] kobject_add_internal+0x59f/0xb40 [ 505.734971][ T9599] kobject_init_and_add+0x125/0x190 [ 505.734998][ T9599] ? __pfx_kobject_init_and_add+0x10/0x10 [ 505.735020][ T9599] ? __raw_spin_lock_init+0x45/0x100 [ 505.735040][ T9599] ? __init_swait_queue_head+0xa9/0x150 [ 505.735061][ T9599] gfs2_sys_fs_add+0x234/0x450 [ 505.735083][ T9599] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 505.735108][ T9599] ? is_dynamic_key+0xd6/0x1c0 [ 505.735127][ T9599] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 505.735159][ T9599] gfs2_fill_super+0x13c0/0x20d0 [ 505.735197][ T9599] ? __pfx_gfs2_fill_super+0x10/0x10 [ 505.735223][ T9599] ? sb_set_blocksize+0x104/0x180 [ 505.735243][ T9599] ? setup_bdev_super+0x4c1/0x5b0 [ 505.735269][ T9599] get_tree_bdev_flags+0x40e/0x4d0 [ 505.735293][ T9599] ? __pfx_gfs2_fill_super+0x10/0x10 [ 505.735316][ T9599] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 505.735337][ T9599] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 505.735366][ T9599] gfs2_get_tree+0x51/0x1e0 [ 505.735392][ T9599] vfs_get_tree+0x92/0x2b0 [ 505.735418][ T9599] do_new_mount+0x302/0xa10 [ 505.735441][ T9599] ? apparmor_capable+0x137/0x1b0 [ 505.735468][ T9599] ? __pfx_do_new_mount+0x10/0x10 [ 505.735493][ T9599] ? ns_capable+0x8a/0xf0 [ 505.735520][ T9599] ? kmem_cache_free+0x19a/0x690 [ 505.735554][ T9599] __se_sys_mount+0x313/0x410 [ 505.735586][ T9599] ? __pfx___se_sys_mount+0x10/0x10 [ 505.735617][ T9599] ? do_syscall_64+0xbe/0xfa0 [ 505.735635][ T9599] ? __x64_sys_mount+0x20/0xc0 [ 505.735662][ T9599] do_syscall_64+0xfa/0xfa0 [ 505.735680][ T9599] ? lockdep_hardirqs_on+0x9c/0x150 [ 505.735699][ T9599] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 505.735716][ T9599] ? clear_bhb_loop+0x60/0xb0 [ 505.735737][ T9599] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 505.735755][ T9599] RIP: 0033:0x7feccecd494a [ 505.735772][ T9599] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 505.735788][ T9599] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 505.735807][ T9599] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 505.735820][ T9599] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 505.735834][ T9599] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 505.735846][ T9599] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 505.735858][ T9599] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 505.735887][ T9599] [ 505.735916][ T9599] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 505.812417][ T9601] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 505.982065][ T9606] loop3: detected capacity change from 0 to 32768 [ 506.031305][ T9599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 506.098575][ T9604] loop2: detected capacity change from 0 to 32768 [ 506.145481][ T9606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 506.155634][ T9606] CPU: 1 UID: 0 PID: 9606 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 506.155660][ T9606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 506.155672][ T9606] Call Trace: [ 506.155680][ T9606] [ 506.155689][ T9606] dump_stack_lvl+0x189/0x250 [ 506.155718][ T9606] ? __pfx_dump_stack_lvl+0x10/0x10 [ 506.155752][ T9606] ? __pfx__printk+0x10/0x10 [ 506.155782][ T9606] ? kernfs_path_from_node+0x250/0x290 [ 506.155802][ T9606] ? kernfs_path_from_node+0x2f/0x290 [ 506.155826][ T9606] sysfs_create_dir_ns+0x259/0x280 [ 506.155850][ T9606] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 506.155871][ T9606] ? do_raw_spin_unlock+0x122/0x240 [ 506.155897][ T9606] kobject_add_internal+0x59f/0xb40 [ 506.155928][ T9606] kobject_init_and_add+0x125/0x190 [ 506.155956][ T9606] ? __pfx_kobject_init_and_add+0x10/0x10 [ 506.155977][ T9606] ? __raw_spin_lock_init+0x45/0x100 [ 506.155998][ T9606] ? __init_swait_queue_head+0xa9/0x150 [ 506.156019][ T9606] gfs2_sys_fs_add+0x234/0x450 [ 506.156039][ T9606] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 506.156066][ T9606] ? is_dynamic_key+0xd6/0x1c0 [ 506.156085][ T9606] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 506.156116][ T9606] gfs2_fill_super+0x13c0/0x20d0 [ 506.156153][ T9606] ? __pfx_gfs2_fill_super+0x10/0x10 [ 506.156179][ T9606] ? sb_set_blocksize+0x104/0x180 [ 506.156200][ T9606] ? setup_bdev_super+0x4c1/0x5b0 [ 506.156224][ T9606] get_tree_bdev_flags+0x40e/0x4d0 [ 506.156246][ T9606] ? __pfx_gfs2_fill_super+0x10/0x10 [ 506.156267][ T9606] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 506.156289][ T9606] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 506.156319][ T9606] gfs2_get_tree+0x51/0x1e0 [ 506.156342][ T9606] vfs_get_tree+0x92/0x2b0 [ 506.156366][ T9606] do_new_mount+0x302/0xa10 [ 506.156389][ T9606] ? apparmor_capable+0x137/0x1b0 [ 506.156416][ T9606] ? __pfx_do_new_mount+0x10/0x10 [ 506.156442][ T9606] ? ns_capable+0x8a/0xf0 [ 506.156469][ T9606] ? kmem_cache_free+0x19a/0x690 [ 506.156503][ T9606] __se_sys_mount+0x313/0x410 [ 506.156533][ T9606] ? __pfx___se_sys_mount+0x10/0x10 [ 506.156561][ T9606] ? do_syscall_64+0xbe/0xfa0 [ 506.156579][ T9606] ? __x64_sys_mount+0x20/0xc0 [ 506.156607][ T9606] do_syscall_64+0xfa/0xfa0 [ 506.156625][ T9606] ? lockdep_hardirqs_on+0x9c/0x150 [ 506.156645][ T9606] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 506.156662][ T9606] ? clear_bhb_loop+0x60/0xb0 [ 506.156682][ T9606] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 506.156697][ T9606] RIP: 0033:0x7feccecd494a [ 506.156713][ T9606] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 506.156737][ T9606] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 506.156756][ T9606] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 506.156769][ T9606] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 506.156780][ T9606] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 506.156791][ T9606] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 506.156803][ T9606] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 506.156830][ T9606] [ 506.156857][ T9606] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 506.270662][ T9601] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 506.503541][ T3495] team0 (unregistering): Port device team_slave_1 removed [ 506.534127][ T9604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 506.588698][ T9608] loop4: detected capacity change from 0 to 32768 [ 506.597889][ T9606] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 506.607559][ T9608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 506.618374][ T9604] CPU: 0 UID: 0 PID: 9604 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 506.618398][ T9604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 506.618409][ T9604] Call Trace: [ 506.618417][ T9604] [ 506.618425][ T9604] dump_stack_lvl+0x189/0x250 [ 506.618455][ T9604] ? __pfx_dump_stack_lvl+0x10/0x10 [ 506.618476][ T9604] ? __pfx__printk+0x10/0x10 [ 506.618504][ T9604] ? kernfs_path_from_node+0x250/0x290 [ 506.618523][ T9604] ? kernfs_path_from_node+0x2f/0x290 [ 506.618546][ T9604] sysfs_create_dir_ns+0x259/0x280 [ 506.618567][ T9604] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 506.618587][ T9604] ? do_raw_spin_unlock+0x122/0x240 [ 506.618611][ T9604] kobject_add_internal+0x59f/0xb40 [ 506.618640][ T9604] kobject_init_and_add+0x125/0x190 [ 506.618675][ T9604] ? __pfx_kobject_init_and_add+0x10/0x10 [ 506.618696][ T9604] ? __raw_spin_lock_init+0x45/0x100 [ 506.618717][ T9604] ? __init_swait_queue_head+0xa9/0x150 [ 506.618741][ T9604] gfs2_sys_fs_add+0x234/0x450 [ 506.618765][ T9604] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 506.618792][ T9604] ? is_dynamic_key+0xd6/0x1c0 [ 506.618813][ T9604] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 506.618845][ T9604] gfs2_fill_super+0x13c0/0x20d0 [ 506.618882][ T9604] ? __pfx_gfs2_fill_super+0x10/0x10 [ 506.618909][ T9604] ? sb_set_blocksize+0x104/0x180 [ 506.618931][ T9604] ? setup_bdev_super+0x4c1/0x5b0 [ 506.618957][ T9604] get_tree_bdev_flags+0x40e/0x4d0 [ 506.618982][ T9604] ? __pfx_gfs2_fill_super+0x10/0x10 [ 506.619005][ T9604] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 506.619027][ T9604] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 506.619056][ T9604] gfs2_get_tree+0x51/0x1e0 [ 506.619084][ T9604] vfs_get_tree+0x92/0x2b0 [ 506.619109][ T9604] do_new_mount+0x302/0xa10 [ 506.619134][ T9604] ? apparmor_capable+0x137/0x1b0 [ 506.619162][ T9604] ? __pfx_do_new_mount+0x10/0x10 [ 506.619187][ T9604] ? ns_capable+0x8a/0xf0 [ 506.619215][ T9604] ? kmem_cache_free+0x19a/0x690 [ 506.619251][ T9604] __se_sys_mount+0x313/0x410 [ 506.619283][ T9604] ? __pfx___se_sys_mount+0x10/0x10 [ 506.619313][ T9604] ? do_syscall_64+0xbe/0xfa0 [ 506.619332][ T9604] ? __x64_sys_mount+0x20/0xc0 [ 506.619360][ T9604] do_syscall_64+0xfa/0xfa0 [ 506.619378][ T9604] ? lockdep_hardirqs_on+0x9c/0x150 [ 506.619397][ T9604] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 506.619416][ T9604] ? clear_bhb_loop+0x60/0xb0 [ 506.619439][ T9604] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 506.619457][ T9604] RIP: 0033:0x7feccecd494a [ 506.619475][ T9604] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 506.619491][ T9604] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 506.619512][ T9604] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 506.619525][ T9604] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 506.619538][ T9604] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 506.619552][ T9604] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 506.619564][ T9604] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 506.619596][ T9604] [ 506.619622][ T9604] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 506.630009][ T9608] CPU: 1 UID: 0 PID: 9608 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 506.630037][ T9608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 506.630048][ T9608] Call Trace: [ 506.630056][ T9608] [ 506.630064][ T9608] dump_stack_lvl+0x189/0x250 [ 506.630094][ T9608] ? __pfx_dump_stack_lvl+0x10/0x10 [ 506.630116][ T9608] ? __pfx__printk+0x10/0x10 [ 506.630145][ T9608] ? kernfs_path_from_node+0x250/0x290 [ 506.630165][ T9608] ? kernfs_path_from_node+0x2f/0x290 [ 506.630190][ T9608] sysfs_create_dir_ns+0x259/0x280 [ 506.630212][ T9608] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 506.630234][ T9608] ? do_raw_spin_unlock+0x122/0x240 [ 506.630259][ T9608] kobject_add_internal+0x59f/0xb40 [ 506.630290][ T9608] kobject_init_and_add+0x125/0x190 [ 506.630317][ T9608] ? __pfx_kobject_init_and_add+0x10/0x10 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 506.630340][ T9608] ? __raw_spin_lock_init+0x45/0x100 [ 506.630360][ T9608] ? __init_swait_queue_head+0xa9/0x150 [ 506.630383][ T9608] gfs2_sys_fs_add+0x234/0x450 [ 506.630405][ T9608] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 506.630431][ T9608] ? is_dynamic_key+0xd6/0x1c0 [ 506.630452][ T9608] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 506.630488][ T9608] gfs2_fill_super+0x13c0/0x20d0 [ 506.630527][ T9608] ? __pfx_gfs2_fill_super+0x10/0x10 [ 506.630555][ T9608] ? sb_set_blocksize+0x104/0x180 [ 506.630577][ T9608] ? setup_bdev_super+0x4c1/0x5b0 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 506.630604][ T9608] get_tree_bdev_flags+0x40e/0x4d0 [ 506.630628][ T9608] ? __pfx_gfs2_fill_super+0x10/0x10 [ 506.630651][ T9608] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 506.630673][ T9608] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 506.630701][ T9608] gfs2_get_tree+0x51/0x1e0 [ 506.630729][ T9608] vfs_get_tree+0x92/0x2b0 [ 506.630754][ T9608] do_new_mount+0x302/0xa10 [ 506.630778][ T9608] ? apparmor_capable+0x137/0x1b0 [ 506.630805][ T9608] ? __pfx_do_new_mount+0x10/0x10 [ 506.630829][ T9608] ? ns_capable+0x8a/0xf0 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 506.630857][ T9608] ? kmem_cache_free+0x19a/0x690 [ 506.630891][ T9608] __se_sys_mount+0x313/0x410 [ 506.630929][ T9608] ? __pfx___se_sys_mount+0x10/0x10 [ 506.630959][ T9608] ? do_syscall_64+0xbe/0xfa0 [ 506.630976][ T9608] ? __x64_sys_mount+0x20/0xc0 [ 506.631003][ T9608] do_syscall_64+0xfa/0xfa0 [ 506.631021][ T9608] ? lockdep_hardirqs_on+0x9c/0x150 [ 506.631040][ T9608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 506.631058][ T9608] ? clear_bhb_loop+0x60/0xb0 [ 506.631083][ T9608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 506.631100][ T9608] RIP: 0033:0x7feccecd494a [ 506.631118][ T9608] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 506.631134][ T9608] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 506.631154][ T9608] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 506.631167][ T9608] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 506.631180][ T9608] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 506.631193][ T9608] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 506.631205][ T9608] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 506.631237][ T9608] [ 506.631336][ T9608] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 506.640914][ T9604] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 506.649840][ T9445] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 506.787072][ T9608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 506.845600][ T9445] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... executing program executing program executing program [ 507.483511][ T9445] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 637ms [ 507.526727][ T3495] team0 (unregistering): Port device team_slave_0 removed [ 507.550814][ T9445] gfs2: fsid=syz:syz.0: jid=0: Done [ 507.567105][ T9601] gfs2: fsid=syz:syz.0: first mount done, others may mount the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 508.361774][ T9634] loop4: detected capacity change from 0 to 32768 [ 508.449019][ T9634] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 508.502169][ T9634] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 508.660466][ T9634] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 508.691712][ T9445] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 508.701730][ T9445] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 508.852140][ T9445] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 150ms executing program [ 508.907319][ T9445] gfs2: fsid=syz:syz.0: jid=0: Done [ 508.922794][ T9634] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 508.973320][ T9628] loop1: detected capacity change from 0 to 32768 [ 508.990858][ T9632] loop3: detected capacity change from 0 to 32768 [ 509.023105][ T9628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 509.044523][ T9632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 509.052181][ T9632] CPU: 0 UID: 0 PID: 9632 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 509.052207][ T9632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 509.052218][ T9632] Call Trace: [ 509.052226][ T9632] [ 509.052235][ T9632] dump_stack_lvl+0x189/0x250 [ 509.052265][ T9632] ? __pfx_dump_stack_lvl+0x10/0x10 [ 509.052287][ T9632] ? __pfx__printk+0x10/0x10 [ 509.052317][ T9632] ? kernfs_path_from_node+0x250/0x290 [ 509.052337][ T9632] ? kernfs_path_from_node+0x2f/0x290 [ 509.052362][ T9632] sysfs_create_dir_ns+0x259/0x280 [ 509.052386][ T9632] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 509.052408][ T9632] ? do_raw_spin_unlock+0x122/0x240 [ 509.052431][ T9632] kobject_add_internal+0x59f/0xb40 [ 509.052464][ T9632] kobject_init_and_add+0x125/0x190 [ 509.052492][ T9632] ? __pfx_kobject_init_and_add+0x10/0x10 [ 509.052515][ T9632] ? __raw_spin_lock_init+0x45/0x100 [ 509.052537][ T9632] ? __init_swait_queue_head+0xa9/0x150 [ 509.052559][ T9632] gfs2_sys_fs_add+0x234/0x450 [ 509.052583][ T9632] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 509.052610][ T9632] ? is_dynamic_key+0xd6/0x1c0 [ 509.052631][ T9632] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 509.052668][ T9632] gfs2_fill_super+0x13c0/0x20d0 [ 509.052709][ T9632] ? __pfx_gfs2_fill_super+0x10/0x10 [ 509.052738][ T9632] ? sb_set_blocksize+0x104/0x180 [ 509.052760][ T9632] ? setup_bdev_super+0x4c1/0x5b0 [ 509.052788][ T9632] get_tree_bdev_flags+0x40e/0x4d0 [ 509.052820][ T9632] ? __pfx_gfs2_fill_super+0x10/0x10 [ 509.052844][ T9632] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 509.052866][ T9632] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 509.052896][ T9632] gfs2_get_tree+0x51/0x1e0 [ 509.052923][ T9632] vfs_get_tree+0x92/0x2b0 [ 509.052950][ T9632] do_new_mount+0x302/0xa10 [ 509.052974][ T9632] ? apparmor_capable+0x137/0x1b0 [ 509.053002][ T9632] ? __pfx_do_new_mount+0x10/0x10 [ 509.053027][ T9632] ? ns_capable+0x8a/0xf0 [ 509.053055][ T9632] ? kmem_cache_free+0x19a/0x690 [ 509.053092][ T9632] __se_sys_mount+0x313/0x410 [ 509.053124][ T9632] ? __pfx___se_sys_mount+0x10/0x10 [ 509.053154][ T9632] ? do_syscall_64+0xbe/0xfa0 [ 509.053173][ T9632] ? __x64_sys_mount+0x20/0xc0 [ 509.053201][ T9632] do_syscall_64+0xfa/0xfa0 [ 509.053219][ T9632] ? lockdep_hardirqs_on+0x9c/0x150 [ 509.053239][ T9632] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 509.053257][ T9632] ? clear_bhb_loop+0x60/0xb0 [ 509.053279][ T9632] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 509.053297][ T9632] RIP: 0033:0x7feccecd494a [ 509.053314][ T9632] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 509.053331][ T9632] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 509.053351][ T9632] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 509.053365][ T9632] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 509.053378][ T9632] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 509.053391][ T9632] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 509.053404][ T9632] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 509.053435][ T9632] [ 509.053461][ T9632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 509.086189][ T9628] CPU: 1 UID: 0 PID: 9628 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 509.086215][ T9628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 509.086226][ T9628] Call Trace: [ 509.086235][ T9628] [ 509.086243][ T9628] dump_stack_lvl+0x189/0x250 [ 509.086272][ T9628] ? __pfx_dump_stack_lvl+0x10/0x10 [ 509.086294][ T9628] ? __pfx__printk+0x10/0x10 [ 509.086324][ T9628] ? kernfs_path_from_node+0x250/0x290 [ 509.086343][ T9628] ? kernfs_path_from_node+0x2f/0x290 [ 509.086367][ T9628] sysfs_create_dir_ns+0x259/0x280 [ 509.086389][ T9628] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 509.086412][ T9628] ? do_raw_spin_unlock+0x122/0x240 [ 509.086435][ T9628] kobject_add_internal+0x59f/0xb40 [ 509.086467][ T9628] kobject_init_and_add+0x125/0x190 [ 509.086494][ T9628] ? __pfx_kobject_init_and_add+0x10/0x10 [ 509.086516][ T9628] ? __raw_spin_lock_init+0x45/0x100 [ 509.086537][ T9628] ? __init_swait_queue_head+0xa9/0x150 [ 509.086567][ T9628] gfs2_sys_fs_add+0x234/0x450 [ 509.086590][ T9628] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 509.086616][ T9628] ? is_dynamic_key+0xd6/0x1c0 [ 509.086638][ T9628] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 509.086673][ T9628] gfs2_fill_super+0x13c0/0x20d0 [ 509.086713][ T9628] ? __pfx_gfs2_fill_super+0x10/0x10 [ 509.086741][ T9628] ? sb_set_blocksize+0x104/0x180 [ 509.086763][ T9628] ? setup_bdev_super+0x4c1/0x5b0 [ 509.086791][ T9628] get_tree_bdev_flags+0x40e/0x4d0 [ 509.086813][ T9628] ? __pfx_gfs2_fill_super+0x10/0x10 [ 509.086836][ T9628] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 509.086857][ T9628] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 509.086886][ T9628] gfs2_get_tree+0x51/0x1e0 [ 509.086915][ T9628] vfs_get_tree+0x92/0x2b0 [ 509.086942][ T9628] do_new_mount+0x302/0xa10 [ 509.086966][ T9628] ? apparmor_capable+0x137/0x1b0 [ 509.086993][ T9628] ? __pfx_do_new_mount+0x10/0x10 [ 509.087017][ T9628] ? ns_capable+0x8a/0xf0 [ 509.087045][ T9628] ? kmem_cache_free+0x19a/0x690 [ 509.087080][ T9628] __se_sys_mount+0x313/0x410 [ 509.087111][ T9628] ? __pfx___se_sys_mount+0x10/0x10 [ 509.087141][ T9628] ? do_syscall_64+0xbe/0xfa0 [ 509.087159][ T9628] ? __x64_sys_mount+0x20/0xc0 [ 509.087187][ T9628] do_syscall_64+0xfa/0xfa0 [ 509.087204][ T9628] ? lockdep_hardirqs_on+0x9c/0x150 [ 509.087223][ T9628] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 509.087241][ T9628] ? clear_bhb_loop+0x60/0xb0 [ 509.087263][ T9628] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 509.087280][ T9628] RIP: 0033:0x7feccecd494a [ 509.087297][ T9628] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 509.087312][ T9628] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 509.087332][ T9628] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 509.087345][ T9628] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 509.087358][ T9628] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 509.087371][ T9628] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 509.087383][ T9628] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 509.087413][ T9628] [ 509.108573][ T9628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 509.166961][ T9632] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 509.295232][ T9628] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 509.299072][ T9630] loop2: detected capacity change from 0 to 32768 executing program [ 509.820791][ T9630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 509.863645][ T9630] CPU: 0 UID: 0 PID: 9630 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 509.863672][ T9630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 509.863684][ T9630] Call Trace: [ 509.863692][ T9630] [ 509.863701][ T9630] dump_stack_lvl+0x189/0x250 [ 509.863733][ T9630] ? __pfx_dump_stack_lvl+0x10/0x10 [ 509.863763][ T9630] ? __pfx__printk+0x10/0x10 [ 509.863795][ T9630] ? kernfs_path_from_node+0x250/0x290 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 509.863815][ T9630] ? kernfs_path_from_node+0x2f/0x290 [ 509.863840][ T9630] sysfs_create_dir_ns+0x259/0x280 [ 509.863863][ T9630] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 509.863886][ T9630] ? do_raw_spin_unlock+0x122/0x240 [ 509.863910][ T9630] kobject_add_internal+0x59f/0xb40 [ 509.863942][ T9630] kobject_init_and_add+0x125/0x190 [ 509.863971][ T9630] ? __pfx_kobject_init_and_add+0x10/0x10 [ 509.863994][ T9630] ? __raw_spin_lock_init+0x45/0x100 [ 509.864016][ T9630] ? __init_swait_queue_head+0xa9/0x150 [ 509.864040][ T9630] gfs2_sys_fs_add+0x234/0x450 [ 509.864063][ T9630] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 509.864090][ T9630] ? is_dynamic_key+0xd6/0x1c0 [ 509.864111][ T9630] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 509.864143][ T9630] gfs2_fill_super+0x13c0/0x20d0 [ 509.864180][ T9630] ? __pfx_gfs2_fill_super+0x10/0x10 [ 509.864206][ T9630] ? sb_set_blocksize+0x104/0x180 [ 509.864227][ T9630] ? setup_bdev_super+0x4c1/0x5b0 [ 509.864254][ T9630] get_tree_bdev_flags+0x40e/0x4d0 [ 509.864279][ T9630] ? __pfx_gfs2_fill_super+0x10/0x10 [ 509.864303][ T9630] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 509.864325][ T9630] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 509.864354][ T9630] gfs2_get_tree+0x51/0x1e0 [ 509.864382][ T9630] vfs_get_tree+0x92/0x2b0 [ 509.864409][ T9630] do_new_mount+0x302/0xa10 [ 509.864433][ T9630] ? apparmor_capable+0x137/0x1b0 [ 509.864461][ T9630] ? __pfx_do_new_mount+0x10/0x10 [ 509.864486][ T9630] ? ns_capable+0x8a/0xf0 [ 509.864514][ T9630] ? kmem_cache_free+0x19a/0x690 [ 509.864549][ T9630] __se_sys_mount+0x313/0x410 [ 509.864582][ T9630] ? __pfx___se_sys_mount+0x10/0x10 [ 509.864611][ T9630] ? do_syscall_64+0xbe/0xfa0 [ 509.864630][ T9630] ? __x64_sys_mount+0x20/0xc0 [ 509.864658][ T9630] do_syscall_64+0xfa/0xfa0 [ 509.864676][ T9630] ? lockdep_hardirqs_on+0x9c/0x150 [ 509.864696][ T9630] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 509.864715][ T9630] ? clear_bhb_loop+0x60/0xb0 [ 509.864744][ T9630] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 509.864762][ T9630] RIP: 0033:0x7feccecd494a [ 509.864780][ T9630] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 509.864796][ T9630] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 509.864817][ T9630] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 509.864831][ T9630] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 509.864844][ T9630] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 509.864857][ T9630] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 509.864870][ T9630] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 509.864901][ T9630] [ 509.864928][ T9630] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 510.199994][ T9630] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 510.584986][ T9640] loop0: detected capacity change from 0 to 32768 [ 510.613619][ T9640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 510.656687][ T9640] CPU: 0 UID: 0 PID: 9640 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 510.656712][ T9640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 510.656724][ T9640] Call Trace: [ 510.656733][ T9640] [ 510.656742][ T9640] dump_stack_lvl+0x189/0x250 [ 510.656773][ T9640] ? __pfx_dump_stack_lvl+0x10/0x10 [ 510.656795][ T9640] ? __pfx__printk+0x10/0x10 [ 510.656826][ T9640] ? kernfs_path_from_node+0x250/0x290 [ 510.656845][ T9640] ? kernfs_path_from_node+0x2f/0x290 [ 510.656870][ T9640] sysfs_create_dir_ns+0x259/0x280 [ 510.656897][ T9640] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 510.656918][ T9640] ? do_raw_spin_unlock+0x122/0x240 [ 510.656943][ T9640] kobject_add_internal+0x59f/0xb40 [ 510.656973][ T9640] kobject_init_and_add+0x125/0x190 [ 510.657000][ T9640] ? __pfx_kobject_init_and_add+0x10/0x10 [ 510.657023][ T9640] ? __raw_spin_lock_init+0x45/0x100 [ 510.657045][ T9640] ? __init_swait_queue_head+0xa9/0x150 [ 510.657068][ T9640] gfs2_sys_fs_add+0x234/0x450 [ 510.657091][ T9640] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 510.657118][ T9640] ? is_dynamic_key+0xd6/0x1c0 [ 510.657140][ T9640] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 510.657176][ T9640] gfs2_fill_super+0x13c0/0x20d0 [ 510.657217][ T9640] ? __pfx_gfs2_fill_super+0x10/0x10 [ 510.657247][ T9640] ? sb_set_blocksize+0x104/0x180 [ 510.657269][ T9640] ? setup_bdev_super+0x4c1/0x5b0 [ 510.657296][ T9640] get_tree_bdev_flags+0x40e/0x4d0 [ 510.657321][ T9640] ? __pfx_gfs2_fill_super+0x10/0x10 [ 510.657345][ T9640] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 510.657367][ T9640] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 510.657405][ T9640] gfs2_get_tree+0x51/0x1e0 [ 510.657432][ T9640] vfs_get_tree+0x92/0x2b0 [ 510.657458][ T9640] do_new_mount+0x302/0xa10 [ 510.657482][ T9640] ? apparmor_capable+0x137/0x1b0 [ 510.657511][ T9640] ? __pfx_do_new_mount+0x10/0x10 [ 510.657536][ T9640] ? ns_capable+0x8a/0xf0 [ 510.657565][ T9640] ? kmem_cache_free+0x19a/0x690 [ 510.657600][ T9640] __se_sys_mount+0x313/0x410 [ 510.657631][ T9640] ? __pfx___se_sys_mount+0x10/0x10 [ 510.657661][ T9640] ? do_syscall_64+0xbe/0xfa0 [ 510.657679][ T9640] ? __x64_sys_mount+0x20/0xc0 [ 510.657705][ T9640] do_syscall_64+0xfa/0xfa0 [ 510.657723][ T9640] ? lockdep_hardirqs_on+0x9c/0x150 [ 510.657740][ T9640] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 510.657758][ T9640] ? clear_bhb_loop+0x60/0xb0 [ 510.657778][ T9640] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 510.657796][ T9640] RIP: 0033:0x7feccecd494a [ 510.657812][ T9640] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 510.657826][ T9640] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 510.657844][ T9640] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 510.657857][ T9640] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 510.657868][ T9640] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 510.657881][ T9640] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 510.657892][ T9640] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 510.657924][ T9640] executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 511.299470][ T9640] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 511.313617][ T9640] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program [ 512.261154][ T9652] loop1: detected capacity change from 0 to 32768 [ 512.344132][ T9652] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 512.367620][ T9652] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 512.402067][ T9652] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 512.494856][ T9445] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 512.517107][ T9445] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 512.655297][ T9657] loop3: detected capacity change from 0 to 32768 [ 512.738469][ T9445] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 221ms [ 512.756682][ T9657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 512.768454][ T9445] gfs2: fsid=syz:syz.0: jid=0: Done [ 512.776851][ T9652] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 512.798124][ T9657] CPU: 0 UID: 0 PID: 9657 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 512.798151][ T9657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 512.798162][ T9657] Call Trace: [ 512.798170][ T9657] [ 512.798178][ T9657] dump_stack_lvl+0x189/0x250 [ 512.798210][ T9657] ? __pfx_dump_stack_lvl+0x10/0x10 [ 512.798231][ T9657] ? __pfx__printk+0x10/0x10 [ 512.798261][ T9657] ? kernfs_path_from_node+0x250/0x290 [ 512.798280][ T9657] ? kernfs_path_from_node+0x2f/0x290 [ 512.798305][ T9657] sysfs_create_dir_ns+0x259/0x280 [ 512.798329][ T9657] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 512.798350][ T9657] ? do_raw_spin_unlock+0x122/0x240 [ 512.798375][ T9657] kobject_add_internal+0x59f/0xb40 [ 512.798406][ T9657] kobject_init_and_add+0x125/0x190 [ 512.798442][ T9657] ? __pfx_kobject_init_and_add+0x10/0x10 [ 512.798466][ T9657] ? __raw_spin_lock_init+0x45/0x100 [ 512.798487][ T9657] ? __init_swait_queue_head+0xa9/0x150 [ 512.798511][ T9657] gfs2_sys_fs_add+0x234/0x450 [ 512.798534][ T9657] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 512.798560][ T9657] ? is_dynamic_key+0xd6/0x1c0 [ 512.798581][ T9657] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 512.798613][ T9657] gfs2_fill_super+0x13c0/0x20d0 [ 512.798649][ T9657] ? __pfx_gfs2_fill_super+0x10/0x10 [ 512.798675][ T9657] ? sb_set_blocksize+0x104/0x180 [ 512.798697][ T9657] ? setup_bdev_super+0x4c1/0x5b0 [ 512.798722][ T9657] get_tree_bdev_flags+0x40e/0x4d0 [ 512.798744][ T9657] ? __pfx_gfs2_fill_super+0x10/0x10 [ 512.798765][ T9657] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 512.798785][ T9657] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 512.798811][ T9657] gfs2_get_tree+0x51/0x1e0 [ 512.798835][ T9657] vfs_get_tree+0x92/0x2b0 [ 512.798859][ T9657] do_new_mount+0x302/0xa10 [ 512.798881][ T9657] ? apparmor_capable+0x137/0x1b0 [ 512.798906][ T9657] ? __pfx_do_new_mount+0x10/0x10 [ 512.798929][ T9657] ? ns_capable+0x8a/0xf0 [ 512.798956][ T9657] ? kmem_cache_free+0x19a/0x690 [ 512.798988][ T9657] __se_sys_mount+0x313/0x410 [ 512.799016][ T9657] ? __pfx___se_sys_mount+0x10/0x10 [ 512.799044][ T9657] ? do_syscall_64+0xbe/0xfa0 [ 512.799061][ T9657] ? __x64_sys_mount+0x20/0xc0 [ 512.799085][ T9657] do_syscall_64+0xfa/0xfa0 [ 512.799101][ T9657] ? lockdep_hardirqs_on+0x9c/0x150 [ 512.799121][ T9657] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 512.799136][ T9657] ? clear_bhb_loop+0x60/0xb0 [ 512.799156][ T9657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 512.799173][ T9657] RIP: 0033:0x7feccecd494a [ 512.799190][ T9657] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 512.799206][ T9657] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 512.799227][ T9657] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 512.799240][ T9657] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 512.799253][ T9657] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 512.799265][ T9657] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 512.799277][ T9657] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 512.799309][ T9657] [ 512.799342][ T9657] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 513.351142][ T9662] loop2: detected capacity change from 0 to 32768 [ 513.384122][ T9660] loop4: detected capacity change from 0 to 32768 [ 513.425302][ T9662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 513.452991][ T9662] CPU: 0 UID: 0 PID: 9662 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 513.453018][ T9662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 513.453029][ T9662] Call Trace: [ 513.453037][ T9662] [ 513.453046][ T9662] dump_stack_lvl+0x189/0x250 [ 513.453077][ T9662] ? __pfx_dump_stack_lvl+0x10/0x10 [ 513.453098][ T9662] ? __pfx__printk+0x10/0x10 [ 513.453127][ T9662] ? kernfs_path_from_node+0x250/0x290 [ 513.453147][ T9662] ? kernfs_path_from_node+0x2f/0x290 [ 513.453169][ T9662] sysfs_create_dir_ns+0x259/0x280 [ 513.453194][ T9662] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 513.453214][ T9662] ? do_raw_spin_unlock+0x122/0x240 [ 513.453237][ T9662] kobject_add_internal+0x59f/0xb40 [ 513.453266][ T9662] kobject_init_and_add+0x125/0x190 [ 513.453292][ T9662] ? __pfx_kobject_init_and_add+0x10/0x10 [ 513.453314][ T9662] ? __raw_spin_lock_init+0x45/0x100 [ 513.453335][ T9662] ? __init_swait_queue_head+0xa9/0x150 [ 513.453359][ T9662] gfs2_sys_fs_add+0x234/0x450 [ 513.453383][ T9662] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 513.453410][ T9662] ? is_dynamic_key+0xd6/0x1c0 [ 513.453433][ T9662] ? __pfx_alloc_workqueue_noprof+0x10/0x10 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 513.453479][ T9662] gfs2_fill_super+0x13c0/0x20d0 [ 513.453519][ T9662] ? __pfx_gfs2_fill_super+0x10/0x10 [ 513.453557][ T9662] ? sb_set_blocksize+0x104/0x180 [ 513.453580][ T9662] ? setup_bdev_super+0x4c1/0x5b0 [ 513.453608][ T9662] get_tree_bdev_flags+0x40e/0x4d0 [ 513.453633][ T9662] ? __pfx_gfs2_fill_super+0x10/0x10 [ 513.453656][ T9662] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 513.453679][ T9662] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 513.453709][ T9662] gfs2_get_tree+0x51/0x1e0 [ 513.453737][ T9662] vfs_get_tree+0x92/0x2b0 [ 513.453764][ T9662] do_new_mount+0x302/0xa10 [ 513.453788][ T9662] ? apparmor_capable+0x137/0x1b0 [ 513.453817][ T9662] ? __pfx_do_new_mount+0x10/0x10 [ 513.453842][ T9662] ? ns_capable+0x8a/0xf0 [ 513.453871][ T9662] ? kmem_cache_free+0x19a/0x690 [ 513.453907][ T9662] __se_sys_mount+0x313/0x410 [ 513.453940][ T9662] ? __pfx___se_sys_mount+0x10/0x10 [ 513.454006][ T9662] ? do_syscall_64+0xbe/0xfa0 [ 513.454025][ T9662] ? __x64_sys_mount+0x20/0xc0 [ 513.454053][ T9662] do_syscall_64+0xfa/0xfa0 [ 513.454071][ T9662] ? lockdep_hardirqs_on+0x9c/0x150 [ 513.454091][ T9662] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 513.454109][ T9662] ? clear_bhb_loop+0x60/0xb0 [ 513.454132][ T9662] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 513.454150][ T9662] RIP: 0033:0x7feccecd494a [ 513.454169][ T9662] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 513.454185][ T9662] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 513.454205][ T9662] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 513.454220][ T9662] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 513.454232][ T9662] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 513.454246][ T9662] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 513.454258][ T9662] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 513.454289][ T9662] [ 513.454315][ T9662] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 513.667343][ T9660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 513.668068][ T9657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 513.672898][ T9660] CPU: 1 UID: 0 PID: 9660 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 513.672921][ T9660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 513.672933][ T9660] Call Trace: [ 513.672941][ T9660] [ 513.672949][ T9660] dump_stack_lvl+0x189/0x250 [ 513.672980][ T9660] ? __pfx_dump_stack_lvl+0x10/0x10 [ 513.673002][ T9660] ? __pfx__printk+0x10/0x10 [ 513.673032][ T9660] ? kernfs_path_from_node+0x250/0x290 [ 513.673051][ T9660] ? kernfs_path_from_node+0x2f/0x290 [ 513.673074][ T9660] sysfs_create_dir_ns+0x259/0x280 [ 513.673097][ T9660] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 513.673119][ T9660] ? do_raw_spin_unlock+0x122/0x240 [ 513.673143][ T9660] kobject_add_internal+0x59f/0xb40 [ 513.673173][ T9660] kobject_init_and_add+0x125/0x190 [ 513.673213][ T9660] ? __pfx_kobject_init_and_add+0x10/0x10 [ 513.673235][ T9660] ? __raw_spin_lock_init+0x45/0x100 [ 513.673256][ T9660] ? __init_swait_queue_head+0xa9/0x150 [ 513.673279][ T9660] gfs2_sys_fs_add+0x234/0x450 [ 513.673302][ T9660] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 513.673328][ T9660] ? is_dynamic_key+0xd6/0x1c0 [ 513.673349][ T9660] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 513.673384][ T9660] gfs2_fill_super+0x13c0/0x20d0 [ 513.673424][ T9660] ? __pfx_gfs2_fill_super+0x10/0x10 [ 513.673451][ T9660] ? sb_set_blocksize+0x104/0x180 [ 513.673473][ T9660] ? setup_bdev_super+0x4c1/0x5b0 [ 513.673500][ T9660] get_tree_bdev_flags+0x40e/0x4d0 [ 513.673523][ T9660] ? __pfx_gfs2_fill_super+0x10/0x10 [ 513.673547][ T9660] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 513.673568][ T9660] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 513.673597][ T9660] gfs2_get_tree+0x51/0x1e0 [ 513.673623][ T9660] vfs_get_tree+0x92/0x2b0 [ 513.673649][ T9660] do_new_mount+0x302/0xa10 [ 513.673672][ T9660] ? apparmor_capable+0x137/0x1b0 [ 513.673700][ T9660] ? __pfx_do_new_mount+0x10/0x10 [ 513.673724][ T9660] ? ns_capable+0x8a/0xf0 [ 513.673751][ T9660] ? kmem_cache_free+0x19a/0x690 [ 513.673786][ T9660] __se_sys_mount+0x313/0x410 [ 513.673817][ T9660] ? __pfx___se_sys_mount+0x10/0x10 [ 513.673847][ T9660] ? do_syscall_64+0xbe/0xfa0 [ 513.673864][ T9660] ? __x64_sys_mount+0x20/0xc0 [ 513.673891][ T9660] do_syscall_64+0xfa/0xfa0 [ 513.673909][ T9660] ? lockdep_hardirqs_on+0x9c/0x150 [ 513.673928][ T9660] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 513.673977][ T9660] ? clear_bhb_loop+0x60/0xb0 [ 513.673999][ T9660] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 513.674017][ T9660] RIP: 0033:0x7feccecd494a [ 513.674035][ T9660] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 513.674051][ T9660] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 513.674070][ T9660] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 513.674084][ T9660] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 513.674097][ T9660] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 513.674110][ T9660] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 513.674122][ T9660] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 513.674153][ T9660] [ 513.674184][ T9660] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 513.677553][ T9662] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 513.709606][ T9660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 514.149123][ T9664] loop0: detected capacity change from 0 to 32768 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program [ 514.298313][ T9664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 514.326410][ T9664] CPU: 0 UID: 0 PID: 9664 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 514.326435][ T9664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 514.326445][ T9664] Call Trace: [ 514.326453][ T9664] [ 514.326462][ T9664] dump_stack_lvl+0x189/0x250 [ 514.326489][ T9664] ? __pfx_dump_stack_lvl+0x10/0x10 [ 514.326510][ T9664] ? __pfx__printk+0x10/0x10 [ 514.326538][ T9664] ? kernfs_path_from_node+0x250/0x290 [ 514.326556][ T9664] ? kernfs_path_from_node+0x2f/0x290 [ 514.326576][ T9664] sysfs_create_dir_ns+0x259/0x280 [ 514.326598][ T9664] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 514.326619][ T9664] ? do_raw_spin_unlock+0x122/0x240 [ 514.326639][ T9664] kobject_add_internal+0x59f/0xb40 [ 514.326669][ T9664] kobject_init_and_add+0x125/0x190 [ 514.326695][ T9664] ? __pfx_kobject_init_and_add+0x10/0x10 [ 514.326717][ T9664] ? __raw_spin_lock_init+0x45/0x100 [ 514.326737][ T9664] ? __init_swait_queue_head+0xa9/0x150 [ 514.326759][ T9664] gfs2_sys_fs_add+0x234/0x450 [ 514.326781][ T9664] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 514.326806][ T9664] ? is_dynamic_key+0xd6/0x1c0 [ 514.326826][ T9664] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 514.326861][ T9664] gfs2_fill_super+0x13c0/0x20d0 [ 514.326902][ T9664] ? __pfx_gfs2_fill_super+0x10/0x10 [ 514.326930][ T9664] ? sb_set_blocksize+0x104/0x180 [ 514.326950][ T9664] ? setup_bdev_super+0x4c1/0x5b0 [ 514.326977][ T9664] get_tree_bdev_flags+0x40e/0x4d0 [ 514.327000][ T9664] ? __pfx_gfs2_fill_super+0x10/0x10 [ 514.327022][ T9664] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 514.327050][ T9664] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 514.327080][ T9664] gfs2_get_tree+0x51/0x1e0 [ 514.327107][ T9664] vfs_get_tree+0x92/0x2b0 [ 514.327131][ T9664] do_new_mount+0x302/0xa10 [ 514.327154][ T9664] ? apparmor_capable+0x137/0x1b0 [ 514.327182][ T9664] ? __pfx_do_new_mount+0x10/0x10 [ 514.327207][ T9664] ? ns_capable+0x8a/0xf0 [ 514.327232][ T9664] ? kmem_cache_free+0x19a/0x690 [ 514.327264][ T9664] __se_sys_mount+0x313/0x410 [ 514.327294][ T9664] ? __pfx___se_sys_mount+0x10/0x10 [ 514.327321][ T9664] ? do_syscall_64+0xbe/0xfa0 [ 514.327339][ T9664] ? __x64_sys_mount+0x20/0xc0 [ 514.327365][ T9664] do_syscall_64+0xfa/0xfa0 [ 514.327383][ T9664] ? lockdep_hardirqs_on+0x9c/0x150 [ 514.327402][ T9664] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 514.327419][ T9664] ? clear_bhb_loop+0x60/0xb0 [ 514.327441][ T9664] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 514.327459][ T9664] RIP: 0033:0x7feccecd494a [ 514.327476][ T9664] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 514.327492][ T9664] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 514.327513][ T9664] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 514.327526][ T9664] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 514.327540][ T9664] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 514.327551][ T9664] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 514.327562][ T9664] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 514.327592][ T9664] the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 514.657540][ T9664] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 514.675200][ T9664] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 514.862085][ T3495] team0 (unregistering): Port device team_slave_1 removed [ 514.970921][ T9684] loop3: detected capacity change from 0 to 32768 [ 515.083198][ T9684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 515.128060][ T9684] CPU: 0 UID: 0 PID: 9684 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 515.128085][ T9684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 515.128097][ T9684] Call Trace: [ 515.128106][ T9684] [ 515.128113][ T9684] dump_stack_lvl+0x189/0x250 [ 515.128142][ T9684] ? __pfx_dump_stack_lvl+0x10/0x10 [ 515.128163][ T9684] ? __pfx__printk+0x10/0x10 [ 515.128190][ T9684] ? kernfs_path_from_node+0x250/0x290 [ 515.128209][ T9684] ? kernfs_path_from_node+0x2f/0x290 [ 515.128231][ T9684] sysfs_create_dir_ns+0x259/0x280 [ 515.128254][ T9684] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 515.128275][ T9684] ? do_raw_spin_unlock+0x122/0x240 [ 515.128299][ T9684] kobject_add_internal+0x59f/0xb40 [ 515.128330][ T9684] kobject_init_and_add+0x125/0x190 [ 515.128357][ T9684] ? __pfx_kobject_init_and_add+0x10/0x10 [ 515.128380][ T9684] ? __raw_spin_lock_init+0x45/0x100 [ 515.128400][ T9684] ? __init_swait_queue_head+0xa9/0x150 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 515.128423][ T9684] gfs2_sys_fs_add+0x234/0x450 [ 515.128444][ T9684] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 515.128469][ T9684] ? is_dynamic_key+0xd6/0x1c0 [ 515.128490][ T9684] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 515.128524][ T9684] gfs2_fill_super+0x13c0/0x20d0 [ 515.128564][ T9684] ? __pfx_gfs2_fill_super+0x10/0x10 [ 515.128593][ T9684] ? sb_set_blocksize+0x104/0x180 [ 515.128614][ T9684] ? setup_bdev_super+0x4c1/0x5b0 [ 515.128640][ T9684] get_tree_bdev_flags+0x40e/0x4d0 [ 515.128663][ T9684] ? __pfx_gfs2_fill_super+0x10/0x10 [ 515.128684][ T9684] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 515.128705][ T9684] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 515.128732][ T9684] gfs2_get_tree+0x51/0x1e0 [ 515.128759][ T9684] vfs_get_tree+0x92/0x2b0 [ 515.128786][ T9684] do_new_mount+0x302/0xa10 [ 515.128808][ T9684] ? apparmor_capable+0x137/0x1b0 [ 515.128836][ T9684] ? __pfx_do_new_mount+0x10/0x10 [ 515.128860][ T9684] ? ns_capable+0x8a/0xf0 [ 515.128887][ T9684] ? kmem_cache_free+0x19a/0x690 [ 515.128923][ T9684] __se_sys_mount+0x313/0x410 [ 515.128954][ T9684] ? __pfx___se_sys_mount+0x10/0x10 [ 515.128996][ T9684] ? do_syscall_64+0xbe/0xfa0 [ 515.129014][ T9684] ? __x64_sys_mount+0x20/0xc0 [ 515.129041][ T9684] do_syscall_64+0xfa/0xfa0 [ 515.129060][ T9684] ? lockdep_hardirqs_on+0x9c/0x150 [ 515.129079][ T9684] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 515.129097][ T9684] ? clear_bhb_loop+0x60/0xb0 [ 515.129117][ T9684] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 515.129135][ T9684] RIP: 0033:0x7feccecd494a executing program [ 515.129153][ T9684] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 515.129167][ T9684] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 515.129187][ T9684] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 515.129201][ T9684] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 515.129213][ T9684] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 515.129225][ T9684] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 515.129237][ T9684] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 515.129269][ T9684] [ 515.129295][ T9684] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 515.523212][ T3495] team0 (unregistering): Port device team_slave_0 removed executing program [ 515.646986][ T9684] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program [ 516.078516][ T9682] loop2: detected capacity change from 0 to 32768 [ 516.141578][ T9682] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 516.160775][ T9682] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 516.252216][ T9682] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 516.302546][ T983] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 516.321209][ T983] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 516.417220][ T9688] loop4: detected capacity change from 0 to 32768 [ 516.482813][ T9688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 516.516460][ T9688] CPU: 1 UID: 0 PID: 9688 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 516.516488][ T9688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 516.516500][ T9688] Call Trace: [ 516.516509][ T9688] [ 516.516518][ T9688] dump_stack_lvl+0x189/0x250 [ 516.516549][ T9688] ? __pfx_dump_stack_lvl+0x10/0x10 [ 516.516571][ T9688] ? __pfx__printk+0x10/0x10 [ 516.516602][ T9688] ? kernfs_path_from_node+0x250/0x290 [ 516.516621][ T9688] ? kernfs_path_from_node+0x2f/0x290 [ 516.516645][ T9688] sysfs_create_dir_ns+0x259/0x280 [ 516.516670][ T9688] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 516.516693][ T9688] ? do_raw_spin_unlock+0x122/0x240 [ 516.516719][ T9688] kobject_add_internal+0x59f/0xb40 [ 516.516750][ T9688] kobject_init_and_add+0x125/0x190 [ 516.516779][ T9688] ? __pfx_kobject_init_and_add+0x10/0x10 [ 516.516802][ T9688] ? __raw_spin_lock_init+0x45/0x100 [ 516.516824][ T9688] ? __init_swait_queue_head+0xa9/0x150 [ 516.516847][ T9688] gfs2_sys_fs_add+0x234/0x450 [ 516.516871][ T9688] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 516.516901][ T9688] ? is_dynamic_key+0xd6/0x1c0 [ 516.516921][ T9688] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 516.516954][ T9688] gfs2_fill_super+0x13c0/0x20d0 [ 516.516991][ T9688] ? __pfx_gfs2_fill_super+0x10/0x10 [ 516.517018][ T9688] ? sb_set_blocksize+0x104/0x180 [ 516.517040][ T9688] ? setup_bdev_super+0x4c1/0x5b0 [ 516.517068][ T9688] get_tree_bdev_flags+0x40e/0x4d0 [ 516.517092][ T9688] ? __pfx_gfs2_fill_super+0x10/0x10 [ 516.517116][ T9688] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 516.517137][ T9688] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 516.517167][ T9688] gfs2_get_tree+0x51/0x1e0 [ 516.517194][ T9688] vfs_get_tree+0x92/0x2b0 [ 516.517227][ T9688] do_new_mount+0x302/0xa10 [ 516.517252][ T9688] ? apparmor_capable+0x137/0x1b0 [ 516.517280][ T9688] ? __pfx_do_new_mount+0x10/0x10 [ 516.517305][ T9688] ? ns_capable+0x8a/0xf0 [ 516.517334][ T9688] ? kmem_cache_free+0x19a/0x690 [ 516.517370][ T9688] __se_sys_mount+0x313/0x410 [ 516.517402][ T9688] ? __pfx___se_sys_mount+0x10/0x10 [ 516.517432][ T9688] ? do_syscall_64+0xbe/0xfa0 [ 516.517450][ T9688] ? __x64_sys_mount+0x20/0xc0 [ 516.517478][ T9688] do_syscall_64+0xfa/0xfa0 [ 516.517496][ T9688] ? lockdep_hardirqs_on+0x9c/0x150 [ 516.517515][ T9688] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 516.517533][ T9688] ? clear_bhb_loop+0x60/0xb0 [ 516.517556][ T9688] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 516.517574][ T9688] RIP: 0033:0x7feccecd494a [ 516.517591][ T9688] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 516.517607][ T9688] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 516.517628][ T9688] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 516.517641][ T9688] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 516.517655][ T9688] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 516.517668][ T9688] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 516.517680][ T9688] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 516.517713][ T9688] [ 516.833056][ T983] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 511ms [ 516.840815][ T983] gfs2: fsid=syz:syz.0: jid=0: Done [ 516.857878][ T9682] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 516.928995][ T9693] loop0: detected capacity change from 0 to 32768 [ 516.937400][ T9688] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 516.952095][ T9688] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 516.964757][ T9693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 516.981571][ T9693] CPU: 0 UID: 0 PID: 9693 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 516.981596][ T9693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 516.981607][ T9693] Call Trace: [ 516.981615][ T9693] [ 516.981624][ T9693] dump_stack_lvl+0x189/0x250 [ 516.981654][ T9693] ? __pfx_dump_stack_lvl+0x10/0x10 [ 516.981677][ T9693] ? __pfx__printk+0x10/0x10 [ 516.981708][ T9693] ? kernfs_path_from_node+0x250/0x290 [ 516.981733][ T9693] ? kernfs_path_from_node+0x2f/0x290 [ 516.981757][ T9693] sysfs_create_dir_ns+0x259/0x280 [ 516.981782][ T9693] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 516.981805][ T9693] ? do_raw_spin_unlock+0x122/0x240 [ 516.981830][ T9693] kobject_add_internal+0x59f/0xb40 [ 516.981862][ T9693] kobject_init_and_add+0x125/0x190 [ 516.981890][ T9693] ? __pfx_kobject_init_and_add+0x10/0x10 [ 516.981922][ T9693] ? __raw_spin_lock_init+0x45/0x100 [ 516.981943][ T9693] ? __init_swait_queue_head+0xa9/0x150 [ 516.981967][ T9693] gfs2_sys_fs_add+0x234/0x450 [ 516.981991][ T9693] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 516.982018][ T9693] ? is_dynamic_key+0xd6/0x1c0 [ 516.982040][ T9693] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 516.982077][ T9693] gfs2_fill_super+0x13c0/0x20d0 [ 516.982118][ T9693] ? __pfx_gfs2_fill_super+0x10/0x10 [ 516.982147][ T9693] ? sb_set_blocksize+0x104/0x180 [ 516.982167][ T9693] ? setup_bdev_super+0x4c1/0x5b0 [ 516.982196][ T9693] get_tree_bdev_flags+0x40e/0x4d0 [ 516.982220][ T9693] ? __pfx_gfs2_fill_super+0x10/0x10 [ 516.982244][ T9693] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 516.982265][ T9693] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 516.982294][ T9693] gfs2_get_tree+0x51/0x1e0 [ 516.982320][ T9693] vfs_get_tree+0x92/0x2b0 [ 516.982347][ T9693] do_new_mount+0x302/0xa10 [ 516.982375][ T9693] ? apparmor_capable+0x137/0x1b0 [ 516.982403][ T9693] ? __pfx_do_new_mount+0x10/0x10 [ 516.982428][ T9693] ? ns_capable+0x8a/0xf0 [ 516.982456][ T9693] ? kmem_cache_free+0x19a/0x690 [ 516.982492][ T9693] __se_sys_mount+0x313/0x410 [ 516.982524][ T9693] ? __pfx___se_sys_mount+0x10/0x10 [ 516.982554][ T9693] ? do_syscall_64+0xbe/0xfa0 [ 516.982573][ T9693] ? __x64_sys_mount+0x20/0xc0 [ 516.982601][ T9693] do_syscall_64+0xfa/0xfa0 [ 516.982619][ T9693] ? lockdep_hardirqs_on+0x9c/0x150 [ 516.982639][ T9693] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 516.982657][ T9693] ? clear_bhb_loop+0x60/0xb0 [ 516.982679][ T9693] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 516.982697][ T9693] RIP: 0033:0x7feccecd494a [ 516.982715][ T9693] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 516.982731][ T9693] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 516.982752][ T9693] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 516.982766][ T9693] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 516.982779][ T9693] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 516.982792][ T9693] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 516.982804][ T9693] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 516.982836][ T9693] [ 517.304701][ T9693] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 517.318714][ T9693] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 517.573714][ T9695] loop1: detected capacity change from 0 to 32768 executing program [ 517.713279][ T9695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 517.775641][ T9695] CPU: 1 UID: 0 PID: 9695 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 517.775668][ T9695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 517.775680][ T9695] Call Trace: [ 517.775689][ T9695] [ 517.775698][ T9695] dump_stack_lvl+0x189/0x250 [ 517.775729][ T9695] ? __pfx_dump_stack_lvl+0x10/0x10 [ 517.775750][ T9695] ? __pfx__printk+0x10/0x10 [ 517.775779][ T9695] ? kernfs_path_from_node+0x250/0x290 [ 517.775798][ T9695] ? kernfs_path_from_node+0x2f/0x290 [ 517.775819][ T9695] sysfs_create_dir_ns+0x259/0x280 [ 517.775843][ T9695] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 517.775865][ T9695] ? do_raw_spin_unlock+0x122/0x240 [ 517.775889][ T9695] kobject_add_internal+0x59f/0xb40 [ 517.775922][ T9695] kobject_init_and_add+0x125/0x190 [ 517.775950][ T9695] ? __pfx_kobject_init_and_add+0x10/0x10 [ 517.775973][ T9695] ? __raw_spin_lock_init+0x45/0x100 [ 517.775995][ T9695] ? __init_swait_queue_head+0xa9/0x150 [ 517.776020][ T9695] gfs2_sys_fs_add+0x234/0x450 [ 517.776051][ T9695] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 517.776078][ T9695] ? is_dynamic_key+0xd6/0x1c0 [ 517.776101][ T9695] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 517.776137][ T9695] gfs2_fill_super+0x13c0/0x20d0 [ 517.776179][ T9695] ? __pfx_gfs2_fill_super+0x10/0x10 [ 517.776208][ T9695] ? sb_set_blocksize+0x104/0x180 [ 517.776230][ T9695] ? setup_bdev_super+0x4c1/0x5b0 [ 517.776258][ T9695] get_tree_bdev_flags+0x40e/0x4d0 [ 517.776283][ T9695] ? __pfx_gfs2_fill_super+0x10/0x10 [ 517.776308][ T9695] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 517.776330][ T9695] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 517.776359][ T9695] gfs2_get_tree+0x51/0x1e0 [ 517.776388][ T9695] vfs_get_tree+0x92/0x2b0 [ 517.776415][ T9695] do_new_mount+0x302/0xa10 [ 517.776438][ T9695] ? apparmor_capable+0x137/0x1b0 [ 517.776467][ T9695] ? __pfx_do_new_mount+0x10/0x10 [ 517.776492][ T9695] ? ns_capable+0x8a/0xf0 [ 517.776519][ T9695] ? kmem_cache_free+0x19a/0x690 [ 517.776556][ T9695] __se_sys_mount+0x313/0x410 [ 517.776588][ T9695] ? __pfx___se_sys_mount+0x10/0x10 [ 517.776618][ T9695] ? do_syscall_64+0xbe/0xfa0 [ 517.776636][ T9695] ? __x64_sys_mount+0x20/0xc0 [ 517.776664][ T9695] do_syscall_64+0xfa/0xfa0 [ 517.776682][ T9695] ? lockdep_hardirqs_on+0x9c/0x150 [ 517.776702][ T9695] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 517.776720][ T9695] ? clear_bhb_loop+0x60/0xb0 [ 517.776743][ T9695] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 517.776760][ T9695] RIP: 0033:0x7feccecd494a [ 517.776778][ T9695] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 517.776794][ T9695] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 517.776814][ T9695] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 517.776828][ T9695] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 517.776841][ T9695] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 517.776853][ T9695] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 517.776865][ T9695] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 517.776898][ T9695] [ 518.143845][ T9698] loop3: detected capacity change from 0 to 32768 [ 518.374730][ T9695] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 518.389154][ T9695] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 518.457210][ T9703] gfs2_logd/syz:s: attempt to access beyond end of device [ 518.457210][ T9703] loop2: rw=1, sector=31525197391603584, nr_sectors = 4 limit=32768 [ 518.503522][ T9698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 518.510243][ T9703] gfs2: fsid=syz:syz.0: Error -5 writing to journal, jid=0 [ 518.517159][ T9698] CPU: 0 UID: 0 PID: 9698 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 518.517186][ T9698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 518.517197][ T9698] Call Trace: [ 518.517206][ T9698] [ 518.517215][ T9698] dump_stack_lvl+0x189/0x250 [ 518.517245][ T9698] ? __pfx_dump_stack_lvl+0x10/0x10 [ 518.517266][ T9698] ? __pfx__printk+0x10/0x10 [ 518.517296][ T9698] ? kernfs_path_from_node+0x250/0x290 [ 518.517315][ T9698] ? kernfs_path_from_node+0x2f/0x290 [ 518.517339][ T9698] sysfs_create_dir_ns+0x259/0x280 [ 518.517362][ T9698] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 518.517384][ T9698] ? do_raw_spin_unlock+0x122/0x240 [ 518.517408][ T9698] kobject_add_internal+0x59f/0xb40 [ 518.517440][ T9698] kobject_init_and_add+0x125/0x190 [ 518.517466][ T9698] ? __pfx_kobject_init_and_add+0x10/0x10 [ 518.517489][ T9698] ? __raw_spin_lock_init+0x45/0x100 [ 518.517509][ T9698] ? __init_swait_queue_head+0xa9/0x150 [ 518.517533][ T9698] gfs2_sys_fs_add+0x234/0x450 [ 518.517556][ T9698] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 518.517581][ T9698] ? is_dynamic_key+0xd6/0x1c0 [ 518.517603][ T9698] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 518.517638][ T9698] gfs2_fill_super+0x13c0/0x20d0 [ 518.517677][ T9698] ? __pfx_gfs2_fill_super+0x10/0x10 [ 518.517717][ T9698] ? sb_set_blocksize+0x104/0x180 [ 518.517738][ T9698] ? setup_bdev_super+0x4c1/0x5b0 [ 518.517766][ T9698] get_tree_bdev_flags+0x40e/0x4d0 [ 518.517789][ T9698] ? __pfx_gfs2_fill_super+0x10/0x10 [ 518.517812][ T9698] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 518.517834][ T9698] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 518.517862][ T9698] gfs2_get_tree+0x51/0x1e0 [ 518.517888][ T9698] vfs_get_tree+0x92/0x2b0 [ 518.517914][ T9698] do_new_mount+0x302/0xa10 [ 518.517938][ T9698] ? apparmor_capable+0x137/0x1b0 [ 518.517964][ T9698] ? __pfx_do_new_mount+0x10/0x10 [ 518.517989][ T9698] ? ns_capable+0x8a/0xf0 [ 518.518017][ T9698] ? kmem_cache_free+0x19a/0x690 [ 518.518051][ T9698] __se_sys_mount+0x313/0x410 [ 518.518083][ T9698] ? __pfx___se_sys_mount+0x10/0x10 [ 518.518116][ T9698] ? do_syscall_64+0xbe/0xfa0 [ 518.518132][ T9698] ? __x64_sys_mount+0x20/0xc0 [ 518.518157][ T9698] do_syscall_64+0xfa/0xfa0 [ 518.518181][ T9698] ? lockdep_hardirqs_on+0x9c/0x150 [ 518.518199][ T9698] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 518.518216][ T9698] ? clear_bhb_loop+0x60/0xb0 [ 518.518238][ T9698] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 518.518255][ T9698] RIP: 0033:0x7feccecd494a [ 518.518273][ T9698] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 518.518289][ T9698] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 518.518309][ T9698] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 518.518323][ T9698] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 518.518334][ T9698] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 518.518346][ T9698] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 518.518357][ T9698] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 518.518385][ T9698] [ 518.560170][ T9698] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 518.574316][ T9703] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 518.641013][ T9698] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program [ 519.290820][ T9710] loop0: detected capacity change from 0 to 32768 [ 519.356590][ T9710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 519.389765][ T9710] CPU: 1 UID: 0 PID: 9710 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 519.389793][ T9710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 519.389805][ T9710] Call Trace: [ 519.389813][ T9710] [ 519.389822][ T9710] dump_stack_lvl+0x189/0x250 [ 519.389853][ T9710] ? __pfx_dump_stack_lvl+0x10/0x10 [ 519.389875][ T9710] ? __pfx__printk+0x10/0x10 [ 519.389906][ T9710] ? kernfs_path_from_node+0x250/0x290 [ 519.389925][ T9710] ? kernfs_path_from_node+0x2f/0x290 [ 519.389950][ T9710] sysfs_create_dir_ns+0x259/0x280 [ 519.389981][ T9710] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 519.390003][ T9710] ? do_raw_spin_unlock+0x122/0x240 [ 519.390029][ T9710] kobject_add_internal+0x59f/0xb40 [ 519.390060][ T9710] kobject_init_and_add+0x125/0x190 [ 519.390088][ T9710] ? __pfx_kobject_init_and_add+0x10/0x10 [ 519.390112][ T9710] ? __raw_spin_lock_init+0x45/0x100 [ 519.390134][ T9710] ? __init_swait_queue_head+0xa9/0x150 [ 519.390158][ T9710] gfs2_sys_fs_add+0x234/0x450 [ 519.390182][ T9710] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 519.390208][ T9710] ? is_dynamic_key+0xd6/0x1c0 [ 519.390231][ T9710] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 519.390268][ T9710] gfs2_fill_super+0x13c0/0x20d0 [ 519.390309][ T9710] ? __pfx_gfs2_fill_super+0x10/0x10 [ 519.390338][ T9710] ? sb_set_blocksize+0x104/0x180 [ 519.390360][ T9710] ? setup_bdev_super+0x4c1/0x5b0 [ 519.390388][ T9710] get_tree_bdev_flags+0x40e/0x4d0 [ 519.390413][ T9710] ? __pfx_gfs2_fill_super+0x10/0x10 [ 519.390437][ T9710] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 519.390459][ T9710] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 519.390489][ T9710] gfs2_get_tree+0x51/0x1e0 [ 519.390516][ T9710] vfs_get_tree+0x92/0x2b0 [ 519.390543][ T9710] do_new_mount+0x302/0xa10 [ 519.390566][ T9710] ? apparmor_capable+0x137/0x1b0 [ 519.390594][ T9710] ? __pfx_do_new_mount+0x10/0x10 [ 519.390620][ T9710] ? ns_capable+0x8a/0xf0 [ 519.390648][ T9710] ? kmem_cache_free+0x19a/0x690 [ 519.390686][ T9710] __se_sys_mount+0x313/0x410 [ 519.390715][ T9710] ? __pfx___se_sys_mount+0x10/0x10 [ 519.390738][ T9710] ? do_syscall_64+0xbe/0xfa0 [ 519.390754][ T9710] ? __x64_sys_mount+0x20/0xc0 [ 519.390782][ T9710] do_syscall_64+0xfa/0xfa0 [ 519.390804][ T9710] ? lockdep_hardirqs_on+0x9c/0x150 [ 519.390824][ T9710] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 519.390842][ T9710] ? clear_bhb_loop+0x60/0xb0 [ 519.390865][ T9710] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 519.390883][ T9710] RIP: 0033:0x7feccecd494a [ 519.390900][ T9710] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 519.390916][ T9710] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 519.390937][ T9710] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 519.390976][ T9710] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 519.390991][ T9710] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 519.391004][ T9710] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 519.391016][ T9710] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 519.391048][ T9710] [ 519.392238][ T9710] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 519.758361][ T9716] loop4: detected capacity change from 0 to 32768 [ 519.779443][ T9710] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 519.787996][ T9716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 519.817807][ T9716] CPU: 1 UID: 0 PID: 9716 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 519.817833][ T9716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 519.817843][ T9716] Call Trace: [ 519.817859][ T9716] [ 519.817867][ T9716] dump_stack_lvl+0x189/0x250 [ 519.817896][ T9716] ? __pfx_dump_stack_lvl+0x10/0x10 [ 519.817915][ T9716] ? __pfx__printk+0x10/0x10 [ 519.817942][ T9716] ? kernfs_path_from_node+0x250/0x290 [ 519.817959][ T9716] ? kernfs_path_from_node+0x2f/0x290 [ 519.817981][ T9716] sysfs_create_dir_ns+0x259/0x280 [ 519.818001][ T9716] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 519.818021][ T9716] ? do_raw_spin_unlock+0x122/0x240 [ 519.818043][ T9716] kobject_add_internal+0x59f/0xb40 [ 519.818072][ T9716] kobject_init_and_add+0x125/0x190 [ 519.818098][ T9716] ? __pfx_kobject_init_and_add+0x10/0x10 [ 519.818118][ T9716] ? __raw_spin_lock_init+0x45/0x100 [ 519.818137][ T9716] ? __init_swait_queue_head+0xa9/0x150 [ 519.818158][ T9716] gfs2_sys_fs_add+0x234/0x450 [ 519.818179][ T9716] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 519.818203][ T9716] ? is_dynamic_key+0xd6/0x1c0 [ 519.818222][ T9716] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 519.818255][ T9716] gfs2_fill_super+0x13c0/0x20d0 [ 519.818292][ T9716] ? __pfx_gfs2_fill_super+0x10/0x10 [ 519.818317][ T9716] ? sb_set_blocksize+0x104/0x180 [ 519.818336][ T9716] ? setup_bdev_super+0x4c1/0x5b0 [ 519.818362][ T9716] get_tree_bdev_flags+0x40e/0x4d0 [ 519.818384][ T9716] ? __pfx_gfs2_fill_super+0x10/0x10 [ 519.818405][ T9716] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 519.818424][ T9716] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 519.818451][ T9716] gfs2_get_tree+0x51/0x1e0 [ 519.818476][ T9716] vfs_get_tree+0x92/0x2b0 [ 519.818500][ T9716] do_new_mount+0x302/0xa10 [ 519.818521][ T9716] ? apparmor_capable+0x137/0x1b0 [ 519.818547][ T9716] ? __pfx_do_new_mount+0x10/0x10 [ 519.818569][ T9716] ? ns_capable+0x8a/0xf0 [ 519.818594][ T9716] ? kmem_cache_free+0x19a/0x690 [ 519.818627][ T9716] __se_sys_mount+0x313/0x410 [ 519.818657][ T9716] ? __pfx___se_sys_mount+0x10/0x10 [ 519.818683][ T9716] ? do_syscall_64+0xbe/0xfa0 [ 519.818700][ T9716] ? __x64_sys_mount+0x20/0xc0 [ 519.818724][ T9716] do_syscall_64+0xfa/0xfa0 [ 519.818740][ T9716] ? lockdep_hardirqs_on+0x9c/0x150 [ 519.818757][ T9716] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 519.818774][ T9716] ? clear_bhb_loop+0x60/0xb0 [ 519.818794][ T9716] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 519.818810][ T9716] RIP: 0033:0x7feccecd494a [ 519.818826][ T9716] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 519.818840][ T9716] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 519.818865][ T9716] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 519.818877][ T9716] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 519.818889][ T9716] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 519.818900][ T9716] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 519.818911][ T9716] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 519.818940][ T9716] [ 519.818970][ T9716] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 520.229720][ T9716] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed executing program executing program [ 520.294774][ T9719] loop1: detected capacity change from 0 to 32768 [ 520.330243][ T9719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 520.347851][ T9719] CPU: 1 UID: 0 PID: 9719 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 520.347879][ T9719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 520.347889][ T9719] Call Trace: [ 520.347897][ T9719] [ 520.347906][ T9719] dump_stack_lvl+0x189/0x250 [ 520.347935][ T9719] ? __pfx_dump_stack_lvl+0x10/0x10 [ 520.347955][ T9719] ? __pfx__printk+0x10/0x10 [ 520.347983][ T9719] ? kernfs_path_from_node+0x250/0x290 [ 520.348002][ T9719] ? kernfs_path_from_node+0x2f/0x290 [ 520.348024][ T9719] sysfs_create_dir_ns+0x259/0x280 [ 520.348047][ T9719] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 520.348070][ T9719] ? do_raw_spin_unlock+0x122/0x240 [ 520.348097][ T9719] kobject_add_internal+0x59f/0xb40 [ 520.348129][ T9719] kobject_init_and_add+0x125/0x190 [ 520.348158][ T9719] ? __pfx_kobject_init_and_add+0x10/0x10 [ 520.348181][ T9719] ? __raw_spin_lock_init+0x45/0x100 [ 520.348202][ T9719] ? __init_swait_queue_head+0xa9/0x150 [ 520.348226][ T9719] gfs2_sys_fs_add+0x234/0x450 [ 520.348249][ T9719] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 520.348276][ T9719] ? is_dynamic_key+0xd6/0x1c0 [ 520.348297][ T9719] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 520.348332][ T9719] gfs2_fill_super+0x13c0/0x20d0 [ 520.348373][ T9719] ? __pfx_gfs2_fill_super+0x10/0x10 [ 520.348402][ T9719] ? sb_set_blocksize+0x104/0x180 [ 520.348424][ T9719] ? setup_bdev_super+0x4c1/0x5b0 [ 520.348452][ T9719] get_tree_bdev_flags+0x40e/0x4d0 [ 520.348476][ T9719] ? __pfx_gfs2_fill_super+0x10/0x10 [ 520.348500][ T9719] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 520.348522][ T9719] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 520.348552][ T9719] gfs2_get_tree+0x51/0x1e0 [ 520.348579][ T9719] vfs_get_tree+0x92/0x2b0 [ 520.348606][ T9719] do_new_mount+0x302/0xa10 [ 520.348638][ T9719] ? apparmor_capable+0x137/0x1b0 [ 520.348666][ T9719] ? __pfx_do_new_mount+0x10/0x10 [ 520.348690][ T9719] ? ns_capable+0x8a/0xf0 [ 520.348718][ T9719] ? kmem_cache_free+0x19a/0x690 [ 520.348754][ T9719] __se_sys_mount+0x313/0x410 [ 520.348786][ T9719] ? __pfx___se_sys_mount+0x10/0x10 [ 520.348824][ T9719] ? do_syscall_64+0xbe/0xfa0 [ 520.348843][ T9719] ? __x64_sys_mount+0x20/0xc0 [ 520.348872][ T9719] do_syscall_64+0xfa/0xfa0 [ 520.348889][ T9719] ? lockdep_hardirqs_on+0x9c/0x150 [ 520.348909][ T9719] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 520.348928][ T9719] ? clear_bhb_loop+0x60/0xb0 [ 520.348951][ T9719] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 520.348969][ T9719] RIP: 0033:0x7feccecd494a [ 520.348987][ T9719] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 520.349004][ T9719] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 520.349024][ T9719] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 520.349038][ T9719] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 520.349052][ T9719] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 520.349065][ T9719] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 520.349077][ T9719] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 520.349109][ T9719] [ 520.349136][ T9719] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 521.063137][ T9719] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 521.117154][ T9730] loop0: detected capacity change from 0 to 32768 [ 521.167181][ T9730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 521.174602][ T9730] CPU: 1 UID: 0 PID: 9730 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 521.174628][ T9730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 521.174640][ T9730] Call Trace: [ 521.174648][ T9730] [ 521.174657][ T9730] dump_stack_lvl+0x189/0x250 [ 521.174689][ T9730] ? __pfx_dump_stack_lvl+0x10/0x10 [ 521.174711][ T9730] ? __pfx__printk+0x10/0x10 [ 521.174742][ T9730] ? kernfs_path_from_node+0x250/0x290 [ 521.174762][ T9730] ? kernfs_path_from_node+0x2f/0x290 [ 521.174786][ T9730] sysfs_create_dir_ns+0x259/0x280 [ 521.174811][ T9730] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 521.174834][ T9730] ? do_raw_spin_unlock+0x122/0x240 [ 521.174860][ T9730] kobject_add_internal+0x59f/0xb40 [ 521.174892][ T9730] kobject_init_and_add+0x125/0x190 [ 521.174920][ T9730] ? __pfx_kobject_init_and_add+0x10/0x10 [ 521.174944][ T9730] ? __raw_spin_lock_init+0x45/0x100 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 521.174966][ T9730] ? __init_swait_queue_head+0xa9/0x150 [ 521.174990][ T9730] gfs2_sys_fs_add+0x234/0x450 [ 521.175013][ T9730] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 521.175039][ T9730] ? is_dynamic_key+0xd6/0x1c0 [ 521.175062][ T9730] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 521.175098][ T9730] gfs2_fill_super+0x13c0/0x20d0 [ 521.175139][ T9730] ? __pfx_gfs2_fill_super+0x10/0x10 [ 521.175169][ T9730] ? sb_set_blocksize+0x104/0x180 [ 521.175191][ T9730] ? setup_bdev_super+0x4c1/0x5b0 [ 521.175219][ T9730] get_tree_bdev_flags+0x40e/0x4d0 [ 521.175244][ T9730] ? __pfx_gfs2_fill_super+0x10/0x10 [ 521.175267][ T9730] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 521.175289][ T9730] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 521.175319][ T9730] gfs2_get_tree+0x51/0x1e0 [ 521.175346][ T9730] vfs_get_tree+0x92/0x2b0 [ 521.175373][ T9730] do_new_mount+0x302/0xa10 [ 521.175397][ T9730] ? apparmor_capable+0x137/0x1b0 [ 521.175425][ T9730] ? __pfx_do_new_mount+0x10/0x10 [ 521.175449][ T9730] ? ns_capable+0x8a/0xf0 [ 521.175478][ T9730] ? kmem_cache_free+0x19a/0x690 executing program [ 521.175521][ T9730] __se_sys_mount+0x313/0x410 [ 521.175554][ T9730] ? __pfx___se_sys_mount+0x10/0x10 [ 521.175583][ T9730] ? do_syscall_64+0xbe/0xfa0 [ 521.175600][ T9730] ? __x64_sys_mount+0x20/0xc0 [ 521.175629][ T9730] do_syscall_64+0xfa/0xfa0 [ 521.175647][ T9730] ? lockdep_hardirqs_on+0x9c/0x150 [ 521.175667][ T9730] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 521.175686][ T9730] ? clear_bhb_loop+0x60/0xb0 [ 521.175707][ T9730] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 521.175725][ T9730] RIP: 0033:0x7feccecd494a [ 521.175743][ T9730] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 521.175759][ T9730] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 521.175780][ T9730] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 521.175794][ T9730] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 521.175808][ T9730] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 521.175820][ T9730] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 521.175833][ T9730] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 521.175864][ T9730] [ 521.175891][ T9730] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 521.740901][ T9733] loop3: detected capacity change from 0 to 32768 [ 521.749562][ T9730] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 521.769952][ T9733] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 521.791886][ T9733] CPU: 1 UID: 0 PID: 9733 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 521.791913][ T9733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 521.791924][ T9733] Call Trace: [ 521.791932][ T9733] [ 521.791941][ T9733] dump_stack_lvl+0x189/0x250 [ 521.791972][ T9733] ? __pfx_dump_stack_lvl+0x10/0x10 [ 521.791994][ T9733] ? __pfx__printk+0x10/0x10 [ 521.792023][ T9733] ? kernfs_path_from_node+0x250/0x290 [ 521.792042][ T9733] ? kernfs_path_from_node+0x2f/0x290 [ 521.792065][ T9733] sysfs_create_dir_ns+0x259/0x280 [ 521.792086][ T9733] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 521.792107][ T9733] ? do_raw_spin_unlock+0x122/0x240 [ 521.792130][ T9733] kobject_add_internal+0x59f/0xb40 [ 521.792162][ T9733] kobject_init_and_add+0x125/0x190 [ 521.792189][ T9733] ? __pfx_kobject_init_and_add+0x10/0x10 [ 521.792212][ T9733] ? __raw_spin_lock_init+0x45/0x100 [ 521.792233][ T9733] ? __init_swait_queue_head+0xa9/0x150 [ 521.792257][ T9733] gfs2_sys_fs_add+0x234/0x450 [ 521.792280][ T9733] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 521.792307][ T9733] ? is_dynamic_key+0xd6/0x1c0 [ 521.792329][ T9733] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 521.792365][ T9733] gfs2_fill_super+0x13c0/0x20d0 [ 521.792406][ T9733] ? __pfx_gfs2_fill_super+0x10/0x10 [ 521.792434][ T9733] ? sb_set_blocksize+0x104/0x180 [ 521.792456][ T9733] ? setup_bdev_super+0x4c1/0x5b0 [ 521.792483][ T9733] get_tree_bdev_flags+0x40e/0x4d0 [ 521.792507][ T9733] ? __pfx_gfs2_fill_super+0x10/0x10 [ 521.792531][ T9733] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 521.792561][ T9733] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 521.792591][ T9733] gfs2_get_tree+0x51/0x1e0 [ 521.792618][ T9733] vfs_get_tree+0x92/0x2b0 [ 521.792644][ T9733] do_new_mount+0x302/0xa10 [ 521.792668][ T9733] ? apparmor_capable+0x137/0x1b0 [ 521.792696][ T9733] ? __pfx_do_new_mount+0x10/0x10 [ 521.792721][ T9733] ? ns_capable+0x8a/0xf0 [ 521.792748][ T9733] ? kmem_cache_free+0x19a/0x690 [ 521.792784][ T9733] __se_sys_mount+0x313/0x410 [ 521.792815][ T9733] ? __pfx___se_sys_mount+0x10/0x10 [ 521.792844][ T9733] ? do_syscall_64+0xbe/0xfa0 [ 521.792863][ T9733] ? __x64_sys_mount+0x20/0xc0 [ 521.792891][ T9733] do_syscall_64+0xfa/0xfa0 [ 521.792908][ T9733] ? lockdep_hardirqs_on+0x9c/0x150 [ 521.792927][ T9733] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 521.792945][ T9733] ? clear_bhb_loop+0x60/0xb0 [ 521.792966][ T9733] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 521.792985][ T9733] RIP: 0033:0x7feccecd494a [ 521.793003][ T9733] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 521.793019][ T9733] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 521.793039][ T9733] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 521.793053][ T9733] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 521.793066][ T9733] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 521.793078][ T9733] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 521.793091][ T9733] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 521.793123][ T9733] [ 521.793150][ T9733] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 522.405768][ T9733] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 522.607557][ T3495] team0 (unregistering): Port device team_slave_1 removed the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 522.727681][ T3495] team0 (unregistering): Port device team_slave_0 removed executing program the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 522.895717][ T9738] loop4: detected capacity change from 0 to 32768 [ 522.945212][ T9738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 522.969606][ T9738] CPU: 1 UID: 0 PID: 9738 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 522.969634][ T9738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 522.969645][ T9738] Call Trace: [ 522.969654][ T9738] [ 522.969663][ T9738] dump_stack_lvl+0x189/0x250 [ 522.969693][ T9738] ? __pfx_dump_stack_lvl+0x10/0x10 [ 522.969722][ T9738] ? __pfx__printk+0x10/0x10 [ 522.969752][ T9738] ? kernfs_path_from_node+0x250/0x290 [ 522.969773][ T9738] ? kernfs_path_from_node+0x2f/0x290 [ 522.969797][ T9738] sysfs_create_dir_ns+0x259/0x280 [ 522.969821][ T9738] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 522.969844][ T9738] ? do_raw_spin_unlock+0x122/0x240 [ 522.969877][ T9738] kobject_add_internal+0x59f/0xb40 executing program [ 522.969909][ T9738] kobject_init_and_add+0x125/0x190 [ 522.969938][ T9738] ? __pfx_kobject_init_and_add+0x10/0x10 [ 522.969961][ T9738] ? __raw_spin_lock_init+0x45/0x100 [ 522.969982][ T9738] ? __init_swait_queue_head+0xa9/0x150 [ 522.970007][ T9738] gfs2_sys_fs_add+0x234/0x450 [ 522.970030][ T9738] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 522.970057][ T9738] ? is_dynamic_key+0xd6/0x1c0 [ 522.970079][ T9738] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 522.970116][ T9738] gfs2_fill_super+0x13c0/0x20d0 [ 522.970158][ T9738] ? __pfx_gfs2_fill_super+0x10/0x10 [ 522.970187][ T9738] ? sb_set_blocksize+0x104/0x180 [ 522.970209][ T9738] ? setup_bdev_super+0x4c1/0x5b0 [ 522.970237][ T9738] get_tree_bdev_flags+0x40e/0x4d0 [ 522.970261][ T9738] ? __pfx_gfs2_fill_super+0x10/0x10 [ 522.970285][ T9738] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 522.970307][ T9738] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 522.970336][ T9738] gfs2_get_tree+0x51/0x1e0 [ 522.970364][ T9738] vfs_get_tree+0x92/0x2b0 [ 522.970390][ T9738] do_new_mount+0x302/0xa10 [ 522.970415][ T9738] ? apparmor_capable+0x137/0x1b0 [ 522.970448][ T9738] ? __pfx_do_new_mount+0x10/0x10 [ 522.970474][ T9738] ? ns_capable+0x8a/0xf0 [ 522.970502][ T9738] ? kmem_cache_free+0x19a/0x690 [ 522.970539][ T9738] __se_sys_mount+0x313/0x410 [ 522.970571][ T9738] ? __pfx___se_sys_mount+0x10/0x10 [ 522.970601][ T9738] ? do_syscall_64+0xbe/0xfa0 [ 522.970619][ T9738] ? __x64_sys_mount+0x20/0xc0 [ 522.970647][ T9738] do_syscall_64+0xfa/0xfa0 [ 522.970666][ T9738] ? lockdep_hardirqs_on+0x9c/0x150 [ 522.970685][ T9738] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 522.970703][ T9738] ? clear_bhb_loop+0x60/0xb0 [ 522.970726][ T9738] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 522.970743][ T9738] RIP: 0033:0x7feccecd494a [ 522.970761][ T9738] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48 [ 522.970777][ T9738] RSP: 002b:00007feccec7efd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 522.970797][ T9738] RAX: ffffffffffffffda RBX: 00007feccec7eff0 RCX: 00007feccecd494a [ 522.970811][ T9738] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feccec7eff0 [ 522.970824][ T9738] RBP: 000020000001f680 R08: 00007feccec7f030 R09: 00007feccec7f030 [ 522.970838][ T9738] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040 [ 522.970850][ T9738] R13: 00007feccec7f030 R14: 0000000000000003 R15: 0000000000000084 [ 522.970882][ T9738] executing program [ 522.970909][ T9738] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 523.312155][ T9738] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 523.852237][ T9703] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 523.885547][ T9703] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 523.912595][ T9703] gfs2: fsid=syz:syz.0: File system withdrawn [ 523.937440][ T9703] CPU: 1 UID: 0 PID: 9703 Comm: gfs2_logd/syz:s Not tainted syzkaller #0 PREEMPT(full) [ 523.937466][ T9703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 523.937478][ T9703] Call Trace: [ 523.937486][ T9703] [ 523.937494][ T9703] dump_stack_lvl+0x189/0x250 [ 523.937522][ T9703] ? __pfx_dump_stack_lvl+0x10/0x10 [ 523.937541][ T9703] ? __pfx__printk+0x10/0x10 [ 523.937564][ T9703] ? kobject_uevent_env+0x36b/0x8c0 [ 523.937596][ T9703] gfs2_withdraw+0xb30/0x1430 [ 523.937634][ T9703] ? __pfx_gfs2_withdraw+0x10/0x10 [ 523.937656][ T9703] ? __pfx_autoremove_wake_function+0x10/0x10 [ 523.937680][ T9703] ? do_raw_spin_unlock+0x122/0x240 [ 523.937706][ T9703] ? gfs2_flush_revokes+0xf5/0x140 [ 523.937726][ T9703] ? __pfx_revoke_lo_before_commit+0x10/0x10 [ 523.937744][ T9703] revoke_lo_before_commit+0x2f/0xe60 [ 523.937772][ T9703] ? do_raw_spin_unlock+0x122/0x240 [ 523.937790][ T9703] ? __pfx_revoke_lo_before_commit+0x10/0x10 [ 523.937812][ T9703] gfs2_log_flush+0xb8b/0x24c0 [ 523.937854][ T9703] ? __pfx_gfs2_log_flush+0x10/0x10 [ 523.937892][ T9703] gfs2_logd+0x2f1/0x1360 [ 523.937935][ T9703] ? __pfx_gfs2_logd+0x10/0x10 [ 523.937961][ T9703] ? __lock_acquire+0xab9/0xd20 [ 523.937994][ T9703] ? do_raw_spin_lock+0x121/0x290 [ 523.938023][ T9703] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 523.938043][ T9703] ? lockdep_hardirqs_on+0x9c/0x150 [ 523.938065][ T9703] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 523.938084][ T9703] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 523.938108][ T9703] ? __pfx_autoremove_wake_function+0x10/0x10 [ 523.938128][ T9703] ? __kthread_parkme+0x7b/0x200 [ 523.938146][ T9703] ? __kthread_parkme+0x1a1/0x200 [ 523.938170][ T9703] kthread+0x711/0x8a0 [ 523.938193][ T9703] ? __pfx_gfs2_logd+0x10/0x10 [ 523.938217][ T9703] ? __pfx_kthread+0x10/0x10 [ 523.938239][ T9703] ? _raw_spin_unlock_irq+0x23/0x50 [ 523.938256][ T9703] ? lockdep_hardirqs_on+0x9c/0x150 [ 523.938274][ T9703] ? __pfx_kthread+0x10/0x10 [ 523.938295][ T9703] ret_from_fork+0x4bc/0x870 [ 523.938322][ T9703] ? __pfx_ret_from_fork+0x10/0x10 [ 523.938355][ T9703] ? __switch_to_asm+0x39/0x70 [ 523.938386][ T9703] ? __switch_to_asm+0x33/0x70 [ 523.938406][ T9703] ? __pfx_kthread+0x10/0x10 [ 523.938428][ T9703] ret_from_fork_asm+0x1a/0x30 [ 523.938468][ T9703] [ 524.246256][ T9748] loop1: detected capacity change from 0 to 32768 [ 524.293466][ T9310] ================================================================== [ 524.301580][ T9310] BUG: KASAN: slab-use-after-free in gfs2_invalidate_folio+0x40b/0x750 [ 524.309838][ T9310] Read of size 8 at addr ffff888058b53be8 by task syz-executor230/9310 [ 524.318093][ T9310] [ 524.320428][ T9310] CPU: 0 UID: 0 PID: 9310 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 524.320451][ T9310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 524.320463][ T9310] Call Trace: [ 524.320471][ T9310] [ 524.320480][ T9310] dump_stack_lvl+0x189/0x250 [ 524.320505][ T9310] ? __kasan_check_byte+0x12/0x40 [ 524.320532][ T9310] ? __pfx_dump_stack_lvl+0x10/0x10 [ 524.320552][ T9310] ? lock_release+0x4b/0x3e0 [ 524.320577][ T9310] ? __virt_addr_valid+0x4a5/0x5c0 [ 524.320598][ T9310] print_report+0xca/0x240 [ 524.320616][ T9310] ? gfs2_invalidate_folio+0x40b/0x750 [ 524.320636][ T9310] kasan_report+0x118/0x150 [ 524.320662][ T9310] ? gfs2_invalidate_folio+0x40b/0x750 [ 524.320690][ T9310] gfs2_invalidate_folio+0x40b/0x750 [ 524.320714][ T9310] ? __pfx_gfs2_invalidate_folio+0x10/0x10 [ 524.320734][ T9310] truncate_cleanup_folio+0x2d8/0x430 [ 524.320759][ T9310] truncate_inode_pages_range+0x233/0xda0 [ 524.320784][ T9310] ? __pfx_stack_trace_save+0x10/0x10 [ 524.320805][ T9310] ? __pfx_truncate_inode_pages_range+0x10/0x10 [ 524.320839][ T9310] ? __lock_acquire+0xab9/0xd20 [ 524.320874][ T9310] ? _raw_spin_unlock_irq+0x23/0x50 [ 524.320893][ T9310] ? lockdep_hardirqs_on+0x9c/0x150 [ 524.320915][ T9310] gfs2_evict_inode+0x87a/0x1000 [ 524.320936][ T9310] ? inode_wait_for_writeback+0xf9/0x290 [ 524.320958][ T9310] ? __pfx_gfs2_evict_inode+0x10/0x10 [ 524.320979][ T9310] ? do_raw_spin_unlock+0x122/0x240 [ 524.321000][ T9310] ? __pfx_gfs2_evict_inode+0x10/0x10 [ 524.321017][ T9310] evict+0x504/0x9c0 [ 524.321041][ T9310] ? __pfx_evict+0x10/0x10 [ 524.321060][ T9310] ? do_raw_spin_unlock+0x122/0x240 [ 524.321080][ T9310] ? _raw_spin_unlock+0x28/0x50 [ 524.321096][ T9310] ? iput+0x930/0xc40 [ 524.321116][ T9310] gfs2_kill_sb+0x234/0x340 [ 524.321140][ T9310] deactivate_locked_super+0xbc/0x130 [ 524.321162][ T9310] cleanup_mnt+0x425/0x4c0 [ 524.321182][ T9310] ? lockdep_hardirqs_on+0x9c/0x150 [ 524.321202][ T9310] task_work_run+0x1d4/0x260 [ 524.321225][ T9310] ? __pfx_task_work_run+0x10/0x10 [ 524.321244][ T9310] ? __x64_sys_umount+0x122/0x160 [ 524.321268][ T9310] ? exit_to_user_mode_loop+0x40/0x130 [ 524.321292][ T9310] exit_to_user_mode_loop+0xec/0x130 [ 524.321322][ T9310] do_syscall_64+0x2bd/0xfa0 [ 524.321341][ T9310] ? lockdep_hardirqs_on+0x9c/0x150 [ 524.321360][ T9310] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 524.321378][ T9310] ? clear_bhb_loop+0x60/0xb0 [ 524.321398][ T9310] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 524.321416][ T9310] RIP: 0033:0x7feccecd4757 [ 524.321434][ T9310] Code: 09 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 [ 524.321450][ T9310] RSP: 002b:00007fff434b9f38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 524.321470][ T9310] RAX: 0000000000000000 RBX: 00005555665757d0 RCX: 00007feccecd4757 [ 524.321482][ T9310] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff434b9ff0 [ 524.321495][ T9310] RBP: 00007fff434b9ff0 R08: 0000000000000000 R09: 0000000000000000 [ 524.321506][ T9310] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff434bb0b0 [ 524.321519][ T9310] R13: 00005555665757d0 R14: 431bde82d7b634db R15: 00007fff434bb054 [ 524.321541][ T9310] [ 524.321548][ T9310] [ 524.639750][ T9310] Allocated by task 9682: [ 524.644064][ T9310] kasan_save_track+0x3e/0x80 [ 524.648820][ T9310] __kasan_slab_alloc+0x6c/0x80 [ 524.653743][ T9310] kmem_cache_alloc_noprof+0x367/0x6e0 [ 524.659187][ T9310] gfs2_trans_add_data+0x200/0x620 [ 524.664373][ T9310] gfs2_trans_add_databufs+0x12f/0x1a0 [ 524.669905][ T9310] gfs2_iomap_put_folio+0x223/0x480 [ 524.675105][ T9310] iomap_file_buffered_write+0x593/0x9b0 [ 524.680723][ T9310] gfs2_file_buffered_write+0x4ed/0x880 [ 524.686308][ T9310] gfs2_file_write_iter+0x94e/0x1100 [ 524.691588][ T9310] vfs_write+0x5c9/0xb30 [ 524.695932][ T9310] ksys_write+0x145/0x250 [ 524.700266][ T9310] do_syscall_64+0xfa/0xfa0 [ 524.704773][ T9310] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 524.710653][ T9310] [ 524.712968][ T9310] Freed by task 9703: [ 524.717013][ T9310] kasan_save_track+0x3e/0x80 [ 524.721678][ T9310] __kasan_save_free_info+0x46/0x50 [ 524.726862][ T9310] __kasan_slab_free+0x5b/0x80 [ 524.731615][ T9310] kmem_cache_free+0x19a/0x690 [ 524.736367][ T9310] gfs2_log_flush+0x18df/0x24c0 [ 524.741204][ T9310] gfs2_logd+0x2f1/0x1360 [ 524.745542][ T9310] kthread+0x711/0x8a0 [ 524.749592][ T9310] ret_from_fork+0x4bc/0x870 [ 524.754259][ T9310] ret_from_fork_asm+0x1a/0x30 [ 524.759017][ T9310] [ 524.761358][ T9310] The buggy address belongs to the object at ffff888058b53bd0 [ 524.761358][ T9310] which belongs to the cache gfs2_bufdata of size 80 [ 524.775490][ T9310] The buggy address is located 24 bytes inside of [ 524.775490][ T9310] freed 80-byte region [ffff888058b53bd0, ffff888058b53c20) [ 524.789204][ T9310] [ 524.791514][ T9310] The buggy address belongs to the physical page: [ 524.797944][ T9310] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x58b53 [ 524.806708][ T9310] anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 524.814269][ T9310] page_type: f5(slab) [ 524.818254][ T9310] raw: 00fff00000000000 ffff888143292a00 0000000000000000 0000000000000001 [ 524.826910][ T9310] raw: 0000000000000000 0000000000240024 00000000f5000000 0000000000000000 [ 524.835515][ T9310] page dumped because: kasan: bad access detected [ 524.841924][ T9310] page_owner tracks the page as allocated [ 524.847707][ T9310] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 9454, tgid 9453 (syz-executor230), ts 492598625472, free_ts 492597057316 [ 524.867668][ T9310] post_alloc_hook+0x240/0x2a0 [ 524.872435][ T9310] get_page_from_freelist+0x21e4/0x22c0 [ 524.877967][ T9310] __alloc_frozen_pages_noprof+0x181/0x370 [ 524.883858][ T9310] alloc_pages_mpol+0x232/0x4a0 [ 524.888803][ T9310] allocate_slab+0x8a/0x330 [ 524.893327][ T9310] ___slab_alloc+0xbd1/0x13f0 [ 524.897985][ T9310] __slab_alloc+0x55/0xa0 [ 524.902324][ T9310] kmem_cache_alloc_noprof+0x3f9/0x6e0 [ 524.907791][ T9310] gfs2_trans_add_data+0x200/0x620 [ 524.912890][ T9310] gfs2_trans_add_databufs+0x12f/0x1a0 [ 524.918335][ T9310] gfs2_iomap_put_folio+0x223/0x480 [ 524.923515][ T9310] iomap_file_buffered_write+0x593/0x9b0 [ 524.929233][ T9310] gfs2_file_buffered_write+0x4ed/0x880 [ 524.934785][ T9310] gfs2_file_write_iter+0x94e/0x1100 [ 524.940142][ T9310] vfs_write+0x5c9/0xb30 [ 524.944377][ T9310] ksys_write+0x145/0x250 [ 524.948691][ T9310] page last free pid 23 tgid 23 stack trace: [ 524.954649][ T9310] __free_frozen_pages+0xbc4/0xd30 [ 524.959749][ T9310] gfs2_end_log_write+0x54d/0x820 [ 524.964763][ T9310] blk_update_request+0x57e/0xe60 [ 524.969795][ T9310] blk_mq_end_request+0x3e/0x70 [ 524.974665][ T9310] blk_flush_complete_seq+0x678/0xcc0 [ 524.980287][ T9310] flush_end_io+0xbaf/0xe60 [ 524.984778][ T9310] __blk_mq_end_request+0x46a/0x630 [ 524.989970][ T9310] blk_done_softirq+0x10a/0x160 [ 524.994895][ T9310] handle_softirqs+0x286/0x870 [ 524.999741][ T9310] run_ksoftirqd+0x9b/0x100 [ 525.004225][ T9310] smpboot_thread_fn+0x542/0xa60 [ 525.009156][ T9310] kthread+0x711/0x8a0 [ 525.013210][ T9310] ret_from_fork+0x4bc/0x870 [ 525.017876][ T9310] ret_from_fork_asm+0x1a/0x30 [ 525.022630][ T9310] [ 525.024939][ T9310] Memory state around the buggy address: [ 525.030633][ T9310] ffff888058b53a80: fa fb fb fb fb fb fb fb fb fb fc fc fc fc fa fb [ 525.038675][ T9310] ffff888058b53b00: fb fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb [ 525.046803][ T9310] >ffff888058b53b80: fb fb fb fb fb fb fc fc fc fc fa fb fb fb fb fb [ 525.054842][ T9310] ^ [ 525.062278][ T9310] ffff888058b53c00: fb fb fb fb fc fc fc fc fa fb fb fb fb fb fb fb [ 525.070339][ T9310] ffff888058b53c80: fb fb fc fc fc fc fa fb fb fb fb fb fb fb fb fb [ 525.078387][ T9310] ================================================================== [ 525.087436][ T9310] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 525.094669][ T9310] CPU: 0 UID: 0 PID: 9310 Comm: syz-executor230 Not tainted syzkaller #0 PREEMPT(full) [ 525.104453][ T9310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 525.114489][ T9310] Call Trace: [ 525.117768][ T9310] [ 525.120679][ T9310] dump_stack_lvl+0x99/0x250 [ 525.125347][ T9310] ? __asan_memcpy+0x40/0x70 [ 525.129931][ T9310] ? __pfx_dump_stack_lvl+0x10/0x10 [ 525.135207][ T9310] ? __pfx__printk+0x10/0x10 [ 525.139791][ T9310] vpanic+0x237/0x6d0 [ 525.143752][ T9310] ? __pfx_vpanic+0x10/0x10 [ 525.148420][ T9310] panic+0xb9/0xc0 [ 525.152117][ T9310] ? __pfx_panic+0x10/0x10 [ 525.156514][ T9310] ? _raw_spin_unlock_irqrestore+0xa8/0x110 [ 525.162646][ T9310] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 525.168535][ T9310] ? gfs2_invalidate_folio+0x40b/0x750 [ 525.173996][ T9310] check_panic_on_warn+0x89/0xb0 [ 525.178914][ T9310] ? gfs2_invalidate_folio+0x40b/0x750 [ 525.184439][ T9310] end_report+0x78/0x160 [ 525.188662][ T9310] kasan_report+0x129/0x150 [ 525.193147][ T9310] ? gfs2_invalidate_folio+0x40b/0x750 [ 525.198758][ T9310] gfs2_invalidate_folio+0x40b/0x750 [ 525.204027][ T9310] ? __pfx_gfs2_invalidate_folio+0x10/0x10 [ 525.209900][ T9310] truncate_cleanup_folio+0x2d8/0x430 [ 525.215445][ T9310] truncate_inode_pages_range+0x233/0xda0 [ 525.221252][ T9310] ? __pfx_stack_trace_save+0x10/0x10 [ 525.226616][ T9310] ? __pfx_truncate_inode_pages_range+0x10/0x10 [ 525.233013][ T9310] ? __lock_acquire+0xab9/0xd20 [ 525.237948][ T9310] ? _raw_spin_unlock_irq+0x23/0x50 [ 525.243131][ T9310] ? lockdep_hardirqs_on+0x9c/0x150 [ 525.248307][ T9310] gfs2_evict_inode+0x87a/0x1000 [ 525.253222][ T9310] ? inode_wait_for_writeback+0xf9/0x290 [ 525.258859][ T9310] ? __pfx_gfs2_evict_inode+0x10/0x10 [ 525.264208][ T9310] ? do_raw_spin_unlock+0x122/0x240 [ 525.269483][ T9310] ? __pfx_gfs2_evict_inode+0x10/0x10 [ 525.274924][ T9310] evict+0x504/0x9c0 [ 525.278993][ T9310] ? __pfx_evict+0x10/0x10 [ 525.283819][ T9310] ? do_raw_spin_unlock+0x122/0x240 [ 525.289093][ T9310] ? _raw_spin_unlock+0x28/0x50 [ 525.293921][ T9310] ? iput+0x930/0xc40 [ 525.297965][ T9310] gfs2_kill_sb+0x234/0x340 [ 525.302466][ T9310] deactivate_locked_super+0xbc/0x130 [ 525.307827][ T9310] cleanup_mnt+0x425/0x4c0 [ 525.312343][ T9310] ? lockdep_hardirqs_on+0x9c/0x150 [ 525.317610][ T9310] task_work_run+0x1d4/0x260 [ 525.322186][ T9310] ? __pfx_task_work_run+0x10/0x10 [ 525.327278][ T9310] ? __x64_sys_umount+0x122/0x160 [ 525.332293][ T9310] ? exit_to_user_mode_loop+0x40/0x130 [ 525.337820][ T9310] exit_to_user_mode_loop+0xec/0x130 [ 525.343085][ T9310] do_syscall_64+0x2bd/0xfa0 [ 525.347654][ T9310] ? lockdep_hardirqs_on+0x9c/0x150 [ 525.352841][ T9310] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 525.359056][ T9310] ? clear_bhb_loop+0x60/0xb0 [ 525.363723][ T9310] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 525.369938][ T9310] RIP: 0033:0x7feccecd4757 [ 525.374433][ T9310] Code: 09 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 [ 525.394101][ T9310] RSP: 002b:00007fff434b9f38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 525.402497][ T9310] RAX: 0000000000000000 RBX: 00005555665757d0 RCX: 00007feccecd4757 [ 525.410462][ T9310] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff434b9ff0 [ 525.418412][ T9310] RBP: 00007fff434b9ff0 R08: 0000000000000000 R09: 0000000000000000 [ 525.426369][ T9310] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff434bb0b0 [ 525.434426][ T9310] R13: 00005555665757d0 R14: 431bde82d7b634db R15: 00007fff434bb054 [ 525.442398][ T9310] [ 525.445890][ T9310] Kernel Offset: disabled [ 525.450216][ T9310] Rebooting in 86400 seconds..