yzkaller #0 [ 72.481321][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 72.484023][ T4600] Call trace: [ 72.484876][ T4600] dump_backtrace+0x1c8/0x1f4 [ 72.486192][ T4600] show_stack+0x2c/0x3c [ 72.487294][ T4600] dump_stack_lvl+0x108/0x170 [ 72.488590][ T4600] dump_stack+0x1c/0x58 [ 72.489710][ T4600] gfs2_withdraw+0xdcc/0x140c [ 72.491020][ T4600] gfs2_consist_inode_i+0xf0/0x10c [ 72.492412][ T4600] gfs2_dirent_scan+0x458/0x584 [ 72.493849][ T4600] gfs2_dirent_search+0x28c/0x790 [ 72.495255][ T4600] gfs2_dir_search+0xb8/0x280 [ 72.496534][ T4600] gfs2_lookupi+0x3cc/0x5a0 [ 72.497807][ T4600] __gfs2_lookup+0xb0/0x28c [ 72.499040][ T4600] gfs2_lookup+0x2c/0x3c [ 72.500199][ T4600] __lookup_slow+0x250/0x374 [ 72.501524][ T4600] lookup_slow+0x60/0x84 [ 72.502674][ T4600] walk_component+0x280/0x36c [ 72.503944][ T4600] path_lookupat+0x13c/0x3d0 [ 72.505204][ T4600] filename_lookup+0x1d4/0x4e0 [ 72.506516][ T4600] user_path_at_empty+0x5c/0x84 [ 72.507856][ T4600] __arm64_sys_mount+0x460/0x588 [ 72.509224][ T4600] invoke_syscall+0x98/0x2bc [ 72.510510][ T4600] el0_svc_common+0x138/0x258 [ 72.511806][ T4600] do_el0_svc+0x58/0x13c [ 72.513008][ T4600] el0_svc+0x58/0x168 [ 72.514138][ T4600] el0t_64_sync_handler+0x84/0xf0 [ 72.515544][ T4600] el0t_64_sync+0x18c/0x190 [ 72.574203][ T4609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.576357][ T4609] CPU: 1 PID: 4609 Comm: syz.2.50 Not tainted 6.1.130-syzkaller #0 [ 72.578491][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 72.580763][ T4617] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4617 [syz.0.49] iterate_dir+0x1f4/0x4ec [ 72.581041][ T4609] Call trace: [ 72.581049][ T4609] dump_backtrace+0x1c8/0x1f4 [ 72.585884][ T4609] show_stack+0x2c/0x3c [ 72.586027][ T4617] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 72.587007][ T4609] dump_stack_lvl+0x108/0x170 [ 72.590737][ T4609] dump_stack+0x1c/0x58 [ 72.591866][ T4609] sysfs_create_dir_ns+0x278/0x318 [ 72.593261][ T4609] kobject_add_internal+0x598/0xb14 [ 72.594726][ T4609] kobject_init_and_add+0x130/0x1a0 [ 72.596097][ T4609] gfs2_sys_fs_add+0x1f8/0x3f4 [ 72.597340][ T4609] gfs2_fill_super+0xe18/0x1fdc [ 72.598661][ T4609] get_tree_bdev+0x360/0x54c [ 72.599944][ T4609] gfs2_get_tree+0x54/0x1b4 [ 72.601175][ T4609] vfs_get_tree+0x90/0x274 [ 72.602403][ T4609] do_new_mount+0x278/0x8fc [ 72.603682][ T4609] path_mount+0x590/0xe5c [ 72.604869][ T4609] __arm64_sys_mount+0x498/0x588 [ 72.606199][ T4609] invoke_syscall+0x98/0x2bc [ 72.607482][ T4609] el0_svc_common+0x138/0x258 [ 72.608778][ T4609] do_el0_svc+0x58/0x13c [ 72.609996][ T4609] el0_svc+0x58/0x168 [ 72.611109][ T4609] el0t_64_sync_handler+0x84/0xf0 [ 72.612513][ T4609] el0t_64_sync+0x18c/0x190 [ 72.630753][ T4606] loop4: detected capacity change from 0 to 32768 [ 72.669987][ T4611] loop3: detected capacity change from 0 to 32768 [ 72.684504][ T4606] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 72.692739][ T4611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.695448][ T4611] CPU: 0 PID: 4611 Comm: syz.3.52 Not tainted 6.1.130-syzkaller #0 [ 72.697158][ T4606] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 72.697627][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 72.702170][ T4611] Call trace: [ 72.703034][ T4611] dump_backtrace+0x1c8/0x1f4 [ 72.704345][ T4611] show_stack+0x2c/0x3c [ 72.705473][ T4611] dump_stack_lvl+0x108/0x170 [ 72.706752][ T4611] dump_stack+0x1c/0x58 [ 72.707993][ T4611] sysfs_create_dir_ns+0x278/0x318 [ 72.709380][ T4611] kobject_add_internal+0x598/0xb14 [ 72.710830][ T4611] kobject_init_and_add+0x130/0x1a0 [ 72.712263][ T4611] gfs2_sys_fs_add+0x1f8/0x3f4 [ 72.713529][ T4611] gfs2_fill_super+0xe18/0x1fdc [ 72.714883][ T4611] get_tree_bdev+0x360/0x54c [ 72.716110][ T4611] gfs2_get_tree+0x54/0x1b4 [ 72.717271][ T4611] vfs_get_tree+0x90/0x274 [ 72.718454][ T4611] do_new_mount+0x278/0x8fc [ 72.719630][ T4611] path_mount+0x590/0xe5c [ 72.720840][ T4611] __arm64_sys_mount+0x498/0x588 [ 72.722212][ T4611] invoke_syscall+0x98/0x2bc [ 72.723381][ T4611] el0_svc_common+0x138/0x258 [ 72.724673][ T4611] do_el0_svc+0x58/0x13c [ 72.725828][ T4611] el0_svc+0x58/0x168 [ 72.726897][ T4611] el0t_64_sync_handler+0x84/0xf0 [ 72.728273][ T4611] el0t_64_sync+0x18c/0x190 [ 72.729050][ T4606] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 72.732632][ T4609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.736184][ T4609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.750169][ T4334] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 72.752534][ T4334] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 72.762403][ T4611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.766134][ T4611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.866137][ T4334] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 113ms [ 72.868328][ T4334] gfs2: fsid=syz:syz.0: jid=0: Done [ 72.876564][ T4606] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 72.890202][ T4616] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 72.907796][ T4606] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 72.910487][ T4606] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 72.910487][ T4606] inode = 12 2341 [ 72.910487][ T4606] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 72.936165][ T4606] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 72.938709][ T4606] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4606 [syz.4.51] __gfs2_lookup+0xb0/0x28c [ 72.941264][ T4606] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 72.946783][ T4615] loop1: detected capacity change from 0 to 32768 [ 72.953875][ T4606] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 72.955853][ T4606] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 72.958960][ T4615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.961013][ T4615] CPU: 1 PID: 4615 Comm: syz.1.53 Not tainted 6.1.130-syzkaller #0 [ 72.963174][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 72.965898][ T4615] Call trace: [ 72.966769][ T4615] dump_backtrace+0x1c8/0x1f4 [ 72.967991][ T4615] show_stack+0x2c/0x3c [ 72.969105][ T4615] dump_stack_lvl+0x108/0x170 [ 72.970452][ T4615] dump_stack+0x1c/0x58 [ 72.971608][ T4615] sysfs_create_dir_ns+0x278/0x318 [ 72.973081][ T4615] kobject_add_internal+0x598/0xb14 [ 72.974463][ T4615] kobject_init_and_add+0x130/0x1a0 [ 72.975849][ T4615] gfs2_sys_fs_add+0x1f8/0x3f4 [ 72.977152][ T4615] gfs2_fill_super+0xe18/0x1fdc [ 72.978435][ T4615] get_tree_bdev+0x360/0x54c [ 72.979720][ T4615] gfs2_get_tree+0x54/0x1b4 [ 72.980872][ T4615] vfs_get_tree+0x90/0x274 [ 72.982032][ T4615] do_new_mount+0x278/0x8fc [ 72.983227][ T4615] path_mount+0x590/0xe5c [ 72.984410][ T4615] __arm64_sys_mount+0x498/0x588 [ 72.985760][ T4615] invoke_syscall+0x98/0x2bc [ 72.986953][ T4615] el0_svc_common+0x138/0x258 [ 72.988160][ T4615] do_el0_svc+0x58/0x13c [ 72.989257][ T4615] el0_svc+0x58/0x168 [ 72.990344][ T4615] el0t_64_sync_handler+0x84/0xf0 [ 72.991702][ T4615] el0t_64_sync+0x18c/0x190 [ 73.003203][ T4606] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 73.006249][ T4606] gfs2: fsid=syz:syz.0: File system withdrawn [ 73.008014][ T4606] CPU: 1 PID: 4606 Comm: syz.4.51 Not tainted 6.1.130-syzkaller #0 [ 73.010118][ T4606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 73.012869][ T4606] Call trace: [ 73.013747][ T4606] dump_backtrace+0x1c8/0x1f4 [ 73.015038][ T4606] show_stack+0x2c/0x3c [ 73.016136][ T4606] dump_stack_lvl+0x108/0x170 [ 73.017433][ T4606] dump_stack+0x1c/0x58 [ 73.018558][ T4606] gfs2_withdraw+0xdcc/0x140c [ 73.019836][ T4606] gfs2_consist_inode_i+0xf0/0x10c [ 73.021215][ T4606] gfs2_dirent_scan+0x458/0x584 [ 73.022529][ T4606] gfs2_dirent_search+0x28c/0x790 [ 73.023931][ T4606] gfs2_dir_search+0xb8/0x280 [ 73.025144][ T4606] gfs2_lookupi+0x3cc/0x5a0 [ 73.026337][ T4606] __gfs2_lookup+0xb0/0x28c [ 73.027574][ T4606] gfs2_lookup+0x2c/0x3c [ 73.028719][ T4606] __lookup_slow+0x250/0x374 [ 73.029932][ T4606] lookup_slow+0x60/0x84 [ 73.031081][ T4606] walk_component+0x280/0x36c [ 73.032359][ T4606] path_lookupat+0x13c/0x3d0 [ 73.033586][ T4606] filename_lookup+0x1d4/0x4e0 [ 73.034873][ T4606] user_path_at_empty+0x5c/0x84 [ 73.036173][ T4606] __arm64_sys_mount+0x460/0x588 [ 73.037498][ T4606] invoke_syscall+0x98/0x2bc [ 73.038750][ T4606] el0_svc_common+0x138/0x258 [ 73.039989][ T4606] do_el0_svc+0x58/0x13c [ 73.041145][ T4606] el0_svc+0x58/0x168 [ 73.042259][ T4606] el0t_64_sync_handler+0x84/0xf0 [ 73.043590][ T4606] el0t_64_sync+0x18c/0x190 [ 73.092216][ T4615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.103041][ T4615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.219232][ T4626] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 73.568623][ T4622] loop2: detected capacity change from 0 to 32768 [ 73.604215][ T4622] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 73.606503][ T4622] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 73.631123][ T4622] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 73.649092][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 73.650904][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 73.702841][ T4620] loop0: detected capacity change from 0 to 32768 [ 73.716348][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 65ms [ 73.718516][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 73.728508][ T4620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.730138][ T4622] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 73.730465][ T4620] CPU: 1 PID: 4620 Comm: syz.0.54 Not tainted 6.1.130-syzkaller #0 [ 73.734495][ T4620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 73.735666][ T4622] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 73.737158][ T4620] Call trace: [ 73.737166][ T4620] dump_backtrace+0x1c8/0x1f4 [ 73.739703][ T4622] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 73.739703][ T4622] inode = 12 2341 [ 73.739703][ T4622] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 73.740552][ T4620] show_stack+0x2c/0x3c [ 73.740566][ T4620] dump_stack_lvl+0x108/0x170 [ 73.740580][ T4620] dump_stack+0x1c/0x58 [ 73.740593][ T4620] sysfs_create_dir_ns+0x278/0x318 [ 73.740604][ T4620] kobject_add_internal+0x598/0xb14 [ 73.740616][ T4620] kobject_init_and_add+0x130/0x1a0 [ 73.740628][ T4620] gfs2_sys_fs_add+0x1f8/0x3f4 [ 73.740638][ T4620] gfs2_fill_super+0xe18/0x1fdc [ 73.740649][ T4620] get_tree_bdev+0x360/0x54c [ 73.740667][ T4620] gfs2_get_tree+0x54/0x1b4 [ 73.740677][ T4620] vfs_get_tree+0x90/0x274 [ 73.740687][ T4620] do_new_mount+0x278/0x8fc [ 73.740697][ T4620] path_mount+0x590/0xe5c [ 73.740707][ T4620] __arm64_sys_mount+0x498/0x588 [ 73.740716][ T4620] invoke_syscall+0x98/0x2bc [ 73.740730][ T4620] el0_svc_common+0x138/0x258 [ 73.740743][ T4620] do_el0_svc+0x58/0x13c [ 73.742528][ T4622] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 73.746866][ T4620] el0_svc+0x58/0x168 [ 73.747946][ T4622] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4622 [syz.2.55] __gfs2_lookup+0xb0/0x28c [ 73.749154][ T4620] el0t_64_sync_handler+0x84/0xf0 [ 73.750226][ T4622] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 73.751696][ T4620] el0t_64_sync+0x18c/0x190 [ 73.762127][ T4622] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 73.816791][ T4622] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 73.819191][ T4622] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 73.841562][ T4622] gfs2: fsid=syz:syz.0: File system withdrawn [ 73.844001][ T4622] CPU: 0 PID: 4622 Comm: syz.2.55 Not tainted 6.1.130-syzkaller #0 [ 73.846144][ T4622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 73.848835][ T4622] Call trace: [ 73.849722][ T4622] dump_backtrace+0x1c8/0x1f4 [ 73.850988][ T4622] show_stack+0x2c/0x3c [ 73.852069][ T4622] dump_stack_lvl+0x108/0x170 [ 73.853321][ T4622] dump_stack+0x1c/0x58 [ 73.854448][ T4622] gfs2_withdraw+0xdcc/0x140c [ 73.855696][ T4622] gfs2_consist_inode_i+0xf0/0x10c [ 73.857054][ T4622] gfs2_dirent_scan+0x458/0x584 [ 73.858363][ T4622] gfs2_dirent_search+0x28c/0x790 [ 73.859750][ T4622] gfs2_dir_search+0xb8/0x280 [ 73.861036][ T4622] gfs2_lookupi+0x3cc/0x5a0 [ 73.862188][ T4622] __gfs2_lookup+0xb0/0x28c [ 73.863415][ T4622] gfs2_lookup+0x2c/0x3c [ 73.864594][ T4622] __lookup_slow+0x250/0x374 [ 73.865169][ T4620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.865788][ T4622] lookup_slow+0x60/0x84 [ 73.870388][ T4622] walk_component+0x280/0x36c [ 73.871634][ T4622] path_lookupat+0x13c/0x3d0 [ 73.872854][ T4622] filename_lookup+0x1d4/0x4e0 [ 73.874188][ T4622] user_path_at_empty+0x5c/0x84 [ 73.875469][ T4622] __arm64_sys_mount+0x460/0x588 [ 73.876758][ T4622] invoke_syscall+0x98/0x2bc [ 73.878004][ T4622] el0_svc_common+0x138/0x258 [ 73.879269][ T4622] do_el0_svc+0x58/0x13c [ 73.879571][ T4620] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.880440][ T4622] el0_svc+0x58/0x168 [ 73.883241][ T4622] el0t_64_sync_handler+0x84/0xf0 [ 73.884606][ T4622] el0t_64_sync+0x18c/0x190 [ 73.976360][ T4629] loop3: detected capacity change from 0 to 32768 [ 74.004519][ T4629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.006493][ T4629] CPU: 0 PID: 4629 Comm: syz.3.57 Not tainted 6.1.130-syzkaller #0 [ 74.008555][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 74.011191][ T4629] Call trace: [ 74.012101][ T4629] dump_backtrace+0x1c8/0x1f4 [ 74.013382][ T4629] show_stack+0x2c/0x3c [ 74.014511][ T4629] dump_stack_lvl+0x108/0x170 [ 74.015796][ T4629] dump_stack+0x1c/0x58 [ 74.016896][ T4629] sysfs_create_dir_ns+0x278/0x318 [ 74.018263][ T4629] kobject_add_internal+0x598/0xb14 [ 74.019674][ T4629] kobject_init_and_add+0x130/0x1a0 [ 74.021057][ T4629] gfs2_sys_fs_add+0x1f8/0x3f4 [ 74.022349][ T4629] gfs2_fill_super+0xe18/0x1fdc [ 74.023603][ T4629] get_tree_bdev+0x360/0x54c [ 74.024846][ T4629] gfs2_get_tree+0x54/0x1b4 [ 74.026111][ T4629] vfs_get_tree+0x90/0x274 [ 74.027313][ T4629] do_new_mount+0x278/0x8fc [ 74.028493][ T4629] path_mount+0x590/0xe5c [ 74.029617][ T4629] __arm64_sys_mount+0x498/0x588 [ 74.030963][ T4629] invoke_syscall+0x98/0x2bc [ 74.032163][ T4629] el0_svc_common+0x138/0x258 [ 74.033393][ T4629] do_el0_svc+0x58/0x13c [ 74.034537][ T4629] el0_svc+0x58/0x168 [ 74.035674][ T4629] el0t_64_sync_handler+0x84/0xf0 [ 74.037008][ T4629] el0t_64_sync+0x18c/0x190 [ 74.053508][ T4629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.057050][ T4629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.269937][ T4633] loop4: detected capacity change from 0 to 32768 1970/01/01 00:01:14 executed programs: 54 [ 74.299049][ T4633] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 74.301397][ T4633] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 74.327243][ T4633] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 74.330769][ T4384] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 74.333104][ T4384] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 74.438572][ T4384] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 105ms [ 74.440799][ T4384] gfs2: fsid=syz:syz.0: jid=0: Done [ 74.460634][ T4633] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 74.467073][ T4633] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 74.469563][ T4633] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 74.469563][ T4633] inode = 12 2341 [ 74.469563][ T4633] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 74.480544][ T4635] loop1: detected capacity change from 0 to 32768 [ 74.493292][ T4633] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 74.495849][ T4633] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4633 [syz.4.56] __gfs2_lookup+0xb0/0x28c [ 74.498341][ T4633] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 74.500578][ T4633] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 74.512248][ T4633] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 74.514698][ T4633] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 74.516528][ T4633] gfs2: fsid=syz:syz.0: File system withdrawn [ 74.519024][ T4635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.521008][ T4635] CPU: 1 PID: 4635 Comm: syz.1.58 Not tainted 6.1.130-syzkaller #0 [ 74.523009][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 74.525634][ T4635] Call trace: [ 74.526513][ T4635] dump_backtrace+0x1c8/0x1f4 [ 74.527785][ T4635] show_stack+0x2c/0x3c [ 74.528880][ T4635] dump_stack_lvl+0x108/0x170 [ 74.530141][ T4635] dump_stack+0x1c/0x58 [ 74.531193][ T4635] sysfs_create_dir_ns+0x278/0x318 [ 74.532507][ T4635] kobject_add_internal+0x598/0xb14 [ 74.533908][ T4635] kobject_init_and_add+0x130/0x1a0 [ 74.535273][ T4635] gfs2_sys_fs_add+0x1f8/0x3f4 [ 74.536549][ T4635] gfs2_fill_super+0xe18/0x1fdc [ 74.537795][ T4635] get_tree_bdev+0x360/0x54c [ 74.539019][ T4635] gfs2_get_tree+0x54/0x1b4 [ 74.540164][ T4635] vfs_get_tree+0x90/0x274 [ 74.541358][ T4635] do_new_mount+0x278/0x8fc [ 74.542549][ T4635] path_mount+0x590/0xe5c [ 74.543772][ T4635] __arm64_sys_mount+0x498/0x588 [ 74.545144][ T4635] invoke_syscall+0x98/0x2bc [ 74.546396][ T4635] el0_svc_common+0x138/0x258 [ 74.547644][ T4635] do_el0_svc+0x58/0x13c [ 74.548769][ T4635] el0_svc+0x58/0x168 [ 74.549855][ T4635] el0t_64_sync_handler+0x84/0xf0 [ 74.551177][ T4635] el0t_64_sync+0x18c/0x190 [ 74.573328][ T4633] CPU: 0 PID: 4633 Comm: syz.4.56 Not tainted 6.1.130-syzkaller #0 [ 74.575433][ T4633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 74.578057][ T4633] Call trace: [ 74.578913][ T4633] dump_backtrace+0x1c8/0x1f4 [ 74.580187][ T4633] show_stack+0x2c/0x3c [ 74.581300][ T4633] dump_stack_lvl+0x108/0x170 [ 74.582545][ T4633] dump_stack+0x1c/0x58 [ 74.583693][ T4633] gfs2_withdraw+0xdcc/0x140c [ 74.584909][ T4633] gfs2_consist_inode_i+0xf0/0x10c [ 74.586242][ T4633] gfs2_dirent_scan+0x458/0x584 [ 74.587572][ T4633] gfs2_dirent_search+0x28c/0x790 [ 74.588957][ T4633] gfs2_dir_search+0xb8/0x280 [ 74.590143][ T4633] gfs2_lookupi+0x3cc/0x5a0 [ 74.591313][ T4633] __gfs2_lookup+0xb0/0x28c [ 74.592484][ T4633] gfs2_lookup+0x2c/0x3c [ 74.593610][ T4633] __lookup_slow+0x250/0x374 [ 74.594800][ T4633] lookup_slow+0x60/0x84 [ 74.595961][ T4633] walk_component+0x280/0x36c [ 74.597178][ T4633] path_lookupat+0x13c/0x3d0 [ 74.598384][ T4633] filename_lookup+0x1d4/0x4e0 [ 74.599729][ T4633] user_path_at_empty+0x5c/0x84 [ 74.600978][ T4633] __arm64_sys_mount+0x460/0x588 [ 74.602292][ T4633] invoke_syscall+0x98/0x2bc [ 74.603566][ T4633] el0_svc_common+0x138/0x258 [ 74.604835][ T4633] do_el0_svc+0x58/0x13c [ 74.605993][ T4633] el0_svc+0x58/0x168 [ 74.607050][ T4633] el0t_64_sync_handler+0x84/0xf0 [ 74.608431][ T4633] el0t_64_sync+0x18c/0x190 [ 74.632171][ T4635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.642186][ T4635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.932967][ T4646] loop3: detected capacity change from 0 to 32768 [ 74.941206][ T4646] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 74.949513][ T4646] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 74.994194][ T4646] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 74.997229][ T4380] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 74.999083][ T4380] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 75.082723][ T4380] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 83ms [ 75.084965][ T4380] gfs2: fsid=syz:syz.0: jid=0: Done [ 75.086368][ T4646] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 75.102533][ T4646] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 75.105056][ T4646] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 75.105056][ T4646] inode = 12 2341 [ 75.105056][ T4646] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 75.110026][ T4646] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 75.124333][ T4643] loop0: detected capacity change from 0 to 32768 [ 75.130803][ T4643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.134480][ T4643] CPU: 0 PID: 4643 Comm: syz.0.60 Not tainted 6.1.130-syzkaller #0 [ 75.135729][ T4640] loop2: detected capacity change from 0 to 32768 [ 75.136574][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 75.136586][ T4643] Call trace: [ 75.136591][ T4643] dump_backtrace+0x1c8/0x1f4 [ 75.136611][ T4643] show_stack+0x2c/0x3c [ 75.144071][ T4643] dump_stack_lvl+0x108/0x170 [ 75.145347][ T4643] dump_stack+0x1c/0x58 [ 75.146414][ T4643] sysfs_create_dir_ns+0x278/0x318 [ 75.147736][ T4643] kobject_add_internal+0x598/0xb14 [ 75.149105][ T4643] kobject_init_and_add+0x130/0x1a0 [ 75.150468][ T4643] gfs2_sys_fs_add+0x1f8/0x3f4 [ 75.151787][ T4643] gfs2_fill_super+0xe18/0x1fdc [ 75.153084][ T4643] get_tree_bdev+0x360/0x54c [ 75.154315][ T4643] gfs2_get_tree+0x54/0x1b4 [ 75.155522][ T4643] vfs_get_tree+0x90/0x274 [ 75.156754][ T4643] do_new_mount+0x278/0x8fc [ 75.157936][ T4643] path_mount+0x590/0xe5c [ 75.159079][ T4643] __arm64_sys_mount+0x498/0x588 [ 75.160380][ T4643] invoke_syscall+0x98/0x2bc [ 75.161657][ T4643] el0_svc_common+0x138/0x258 [ 75.162968][ T4643] do_el0_svc+0x58/0x13c [ 75.164139][ T4643] el0_svc+0x58/0x168 [ 75.165217][ T4643] el0t_64_sync_handler+0x84/0xf0 [ 75.166555][ T4643] el0t_64_sync+0x18c/0x190 [ 75.172351][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.174372][ T4640] CPU: 1 PID: 4640 Comm: syz.2.59 Not tainted 6.1.130-syzkaller #0 [ 75.176509][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 75.179166][ T4640] Call trace: [ 75.180022][ T4640] dump_backtrace+0x1c8/0x1f4 [ 75.181303][ T4640] show_stack+0x2c/0x3c [ 75.182383][ T4640] dump_stack_lvl+0x108/0x170 [ 75.183696][ T4640] dump_stack+0x1c/0x58 [ 75.184841][ T4640] sysfs_create_dir_ns+0x278/0x318 [ 75.186239][ T4640] kobject_add_internal+0x598/0xb14 [ 75.187671][ T4640] kobject_init_and_add+0x130/0x1a0 [ 75.189014][ T4640] gfs2_sys_fs_add+0x1f8/0x3f4 [ 75.190306][ T4640] gfs2_fill_super+0xe18/0x1fdc [ 75.191640][ T4640] get_tree_bdev+0x360/0x54c [ 75.192948][ T4640] gfs2_get_tree+0x54/0x1b4 [ 75.194128][ T4640] vfs_get_tree+0x90/0x274 [ 75.195311][ T4640] do_new_mount+0x278/0x8fc [ 75.196545][ T4640] path_mount+0x590/0xe5c [ 75.197743][ T4640] __arm64_sys_mount+0x498/0x588 [ 75.199069][ T4640] invoke_syscall+0x98/0x2bc [ 75.200278][ T4640] el0_svc_common+0x138/0x258 [ 75.201496][ T4640] do_el0_svc+0x58/0x13c [ 75.202683][ T4640] el0_svc+0x58/0x168 [ 75.203800][ T4640] el0t_64_sync_handler+0x84/0xf0 [ 75.205159][ T4640] el0t_64_sync+0x18c/0x190 [ 75.216851][ T4646] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4646 [syz.3.61] __gfs2_lookup+0xb0/0x28c [ 75.219405][ T4646] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 75.221672][ T4646] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 75.247555][ T4646] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 75.250042][ T4646] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 75.251978][ T4646] gfs2: fsid=syz:syz.0: File system withdrawn [ 75.254159][ T4646] CPU: 0 PID: 4646 Comm: syz.3.61 Not tainted 6.1.130-syzkaller #0 [ 75.256241][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 75.258913][ T4646] Call trace: [ 75.259816][ T4646] dump_backtrace+0x1c8/0x1f4 [ 75.261116][ T4646] show_stack+0x2c/0x3c [ 75.262197][ T4646] dump_stack_lvl+0x108/0x170 [ 75.263452][ T4646] dump_stack+0x1c/0x58 [ 75.264518][ T4646] gfs2_withdraw+0xdcc/0x140c [ 75.265751][ T4646] gfs2_consist_inode_i+0xf0/0x10c [ 75.267157][ T4646] gfs2_dirent_scan+0x458/0x584 [ 75.268327][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.268467][ T4646] gfs2_dirent_search+0x28c/0x790 [ 75.271919][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.273247][ T4646] gfs2_dir_search+0xb8/0x280 [ 75.273266][ T4646] gfs2_lookupi+0x3cc/0x5a0 [ 75.273278][ T4646] __gfs2_lookup+0xb0/0x28c [ 75.273289][ T4646] gfs2_lookup+0x2c/0x3c [ 75.273300][ T4646] __lookup_slow+0x250/0x374 [ 75.273311][ T4646] lookup_slow+0x60/0x84 [ 75.273320][ T4646] walk_component+0x280/0x36c [ 75.273331][ T4646] path_lookupat+0x13c/0x3d0 [ 75.273340][ T4646] filename_lookup+0x1d4/0x4e0 [ 75.273350][ T4646] user_path_at_empty+0x5c/0x84 [ 75.273359][ T4646] __arm64_sys_mount+0x460/0x588 [ 75.273369][ T4646] invoke_syscall+0x98/0x2bc [ 75.275089][ T4643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.276265][ T4646] el0_svc_common+0x138/0x258 [ 75.276284][ T4646] do_el0_svc+0x58/0x13c [ 75.276297][ T4646] el0_svc+0x58/0x168 [ 75.276309][ T4646] el0t_64_sync_handler+0x84/0xf0 [ 75.276322][ T4646] el0t_64_sync+0x18c/0x190 [ 75.332231][ T4643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.728797][ T4651] loop4: detected capacity change from 0 to 32768 [ 75.763274][ T4651] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.765582][ T4651] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.817704][ T4651] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 75.828612][ T4653] loop1: detected capacity change from 0 to 32768 [ 75.829748][ T4334] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 75.832373][ T4334] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 75.846120][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.848386][ T4653] CPU: 0 PID: 4653 Comm: syz.1.63 Not tainted 6.1.130-syzkaller #0 [ 75.850438][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 75.853146][ T4653] Call trace: [ 75.854004][ T4653] dump_backtrace+0x1c8/0x1f4 [ 75.855309][ T4653] show_stack+0x2c/0x3c [ 75.856424][ T4653] dump_stack_lvl+0x108/0x170 [ 75.857739][ T4653] dump_stack+0x1c/0x58 [ 75.858842][ T4653] sysfs_create_dir_ns+0x278/0x318 [ 75.860188][ T4653] kobject_add_internal+0x598/0xb14 [ 75.861576][ T4653] kobject_init_and_add+0x130/0x1a0 [ 75.862940][ T4653] gfs2_sys_fs_add+0x1f8/0x3f4 [ 75.864204][ T4653] gfs2_fill_super+0xe18/0x1fdc [ 75.865493][ T4653] get_tree_bdev+0x360/0x54c [ 75.866717][ T4653] gfs2_get_tree+0x54/0x1b4 [ 75.867925][ T4653] vfs_get_tree+0x90/0x274 [ 75.869075][ T4653] do_new_mount+0x278/0x8fc [ 75.870287][ T4653] path_mount+0x590/0xe5c [ 75.871424][ T4653] __arm64_sys_mount+0x498/0x588 [ 75.872697][ T4653] invoke_syscall+0x98/0x2bc [ 75.873947][ T4653] el0_svc_common+0x138/0x258 [ 75.875245][ T4653] do_el0_svc+0x58/0x13c [ 75.876367][ T4653] el0_svc+0x58/0x168 [ 75.877460][ T4653] el0t_64_sync_handler+0x84/0xf0 [ 75.878729][ T4653] el0t_64_sync+0x18c/0x190 [ 75.913291][ T4334] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 80ms [ 75.915494][ T4334] gfs2: fsid=syz:syz.0: jid=0: Done [ 75.927149][ T4651] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 75.937321][ T4651] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 75.939956][ T4651] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 75.939956][ T4651] inode = 12 2341 [ 75.939956][ T4651] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 75.953274][ T4651] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 75.955696][ T4651] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4651 [syz.4.62] __gfs2_lookup+0xb0/0x28c [ 75.958276][ T4651] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 75.966622][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.973306][ T4651] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 75.975283][ T4651] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 75.977616][ T4651] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 75.979408][ T4651] gfs2: fsid=syz:syz.0: File system withdrawn [ 75.983024][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.007245][ T4651] CPU: 1 PID: 4651 Comm: syz.4.62 Not tainted 6.1.130-syzkaller #0 [ 76.009392][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 76.012055][ T4651] Call trace: [ 76.012884][ T4651] dump_backtrace+0x1c8/0x1f4 [ 76.014144][ T4651] show_stack+0x2c/0x3c [ 76.015276][ T4651] dump_stack_lvl+0x108/0x170 [ 76.016545][ T4651] dump_stack+0x1c/0x58 [ 76.017647][ T4651] gfs2_withdraw+0xdcc/0x140c [ 76.018924][ T4651] gfs2_consist_inode_i+0xf0/0x10c [ 76.020296][ T4651] gfs2_dirent_scan+0x458/0x584 [ 76.021559][ T4651] gfs2_dirent_search+0x28c/0x790 [ 76.022935][ T4651] gfs2_dir_search+0xb8/0x280 [ 76.024236][ T4651] gfs2_lookupi+0x3cc/0x5a0 [ 76.025451][ T4651] __gfs2_lookup+0xb0/0x28c [ 76.026696][ T4651] gfs2_lookup+0x2c/0x3c [ 76.027862][ T4651] __lookup_slow+0x250/0x374 [ 76.029087][ T4651] lookup_slow+0x60/0x84 [ 76.030242][ T4651] walk_component+0x280/0x36c [ 76.031524][ T4651] path_lookupat+0x13c/0x3d0 [ 76.032769][ T4651] filename_lookup+0x1d4/0x4e0 [ 76.034000][ T4651] user_path_at_empty+0x5c/0x84 [ 76.035332][ T4651] __arm64_sys_mount+0x460/0x588 [ 76.036704][ T4651] invoke_syscall+0x98/0x2bc [ 76.038012][ T4651] el0_svc_common+0x138/0x258 [ 76.039266][ T4651] do_el0_svc+0x58/0x13c [ 76.040444][ T4651] el0_svc+0x58/0x168 [ 76.041533][ T4651] el0t_64_sync_handler+0x84/0xf0 [ 76.042896][ T4651] el0t_64_sync+0x18c/0x190 [ 76.337312][ T4662] loop2: detected capacity change from 0 to 32768 [ 76.366408][ T4662] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 76.368615][ T4662] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 76.404006][ T4662] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 76.414105][ T4384] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 76.415916][ T4384] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 76.499777][ T4384] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 83ms [ 76.502001][ T4384] gfs2: fsid=syz:syz.0: jid=0: Done [ 76.508218][ T4660] loop3: detected capacity change from 0 to 32768 [ 76.510740][ T4662] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 76.516559][ T4662] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 76.519831][ T4662] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 76.519831][ T4662] inode = 12 2341 [ 76.519831][ T4662] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 76.525290][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.527259][ T4660] CPU: 0 PID: 4660 Comm: syz.3.64 Not tainted 6.1.130-syzkaller #0 [ 76.529280][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 76.531882][ T4660] Call trace: [ 76.532779][ T4660] dump_backtrace+0x1c8/0x1f4 [ 76.534051][ T4660] show_stack+0x2c/0x3c [ 76.535212][ T4660] dump_stack_lvl+0x108/0x170 [ 76.536528][ T4660] dump_stack+0x1c/0x58 [ 76.537613][ T4660] sysfs_create_dir_ns+0x278/0x318 [ 76.539015][ T4660] kobject_add_internal+0x598/0xb14 [ 76.540500][ T4660] kobject_init_and_add+0x130/0x1a0 [ 76.541921][ T4660] gfs2_sys_fs_add+0x1f8/0x3f4 [ 76.543329][ T4660] gfs2_fill_super+0xe18/0x1fdc [ 76.544611][ T4660] get_tree_bdev+0x360/0x54c [ 76.545995][ T4660] gfs2_get_tree+0x54/0x1b4 [ 76.547307][ T4660] vfs_get_tree+0x90/0x274 [ 76.548523][ T4660] do_new_mount+0x278/0x8fc [ 76.549785][ T4660] path_mount+0x590/0xe5c [ 76.551006][ T4660] __arm64_sys_mount+0x498/0x588 [ 76.552344][ T4660] invoke_syscall+0x98/0x2bc [ 76.553574][ T4660] el0_svc_common+0x138/0x258 [ 76.554948][ T4660] do_el0_svc+0x58/0x13c [ 76.556073][ T4660] el0_svc+0x58/0x168 [ 76.557143][ T4660] el0t_64_sync_handler+0x84/0xf0 [ 76.558572][ T4660] el0t_64_sync+0x18c/0x190 [ 76.571530][ T4662] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 76.586323][ T4673] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 76.588956][ T4673] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 76.588956][ T4673] inode = 12 2341 [ 76.588956][ T4673] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 76.602113][ T4662] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4662 [syz.2.65] __gfs2_lookup+0xb0/0x28c [ 76.604688][ T4662] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4673 [syz.2.65] iterate_dir+0x1f4/0x4ec [ 76.621190][ T4662] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 76.638440][ T4673] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 76.641886][ T4662] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 76.650454][ T4664] loop0: detected capacity change from 0 to 32768 [ 76.657625][ T4673] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4662 [syz.2.65] __gfs2_lookup+0xb0/0x28c [ 76.660401][ T4662] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 76.663158][ T4673] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4673 [syz.2.65] iterate_dir+0x1f4/0x4ec [ 76.665787][ T4662] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 76.667690][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.671224][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.672295][ T4673] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 76.686929][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.689049][ T4664] CPU: 0 PID: 4664 Comm: syz.0.66 Not tainted 6.1.130-syzkaller #0 [ 76.691178][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 76.694048][ T4664] Call trace: [ 76.695014][ T4664] dump_backtrace+0x1c8/0x1f4 [ 76.696284][ T4664] show_stack+0x2c/0x3c [ 76.697402][ T4664] dump_stack_lvl+0x108/0x170 [ 76.698731][ T4664] dump_stack+0x1c/0x58 [ 76.699856][ T4664] sysfs_create_dir_ns+0x278/0x318 [ 76.701299][ T4664] kobject_add_internal+0x598/0xb14 [ 76.702739][ T4664] kobject_init_and_add+0x130/0x1a0 [ 76.703073][ T4662] gfs2: fsid=syz:syz.0: File system withdrawn [ 76.704155][ T4664] gfs2_sys_fs_add+0x1f8/0x3f4 [ 76.707271][ T4664] gfs2_fill_super+0xe18/0x1fdc [ 76.708603][ T4664] get_tree_bdev+0x360/0x54c [ 76.709901][ T4664] gfs2_get_tree+0x54/0x1b4 [ 76.711158][ T4664] vfs_get_tree+0x90/0x274 [ 76.712418][ T4664] do_new_mount+0x278/0x8fc [ 76.713729][ T4664] path_mount+0x590/0xe5c [ 76.714911][ T4664] __arm64_sys_mount+0x498/0x588 [ 76.716210][ T4664] invoke_syscall+0x98/0x2bc [ 76.717580][ T4664] el0_svc_common+0x138/0x258 [ 76.718844][ T4664] do_el0_svc+0x58/0x13c [ 76.720022][ T4664] el0_svc+0x58/0x168 [ 76.721146][ T4664] el0t_64_sync_handler+0x84/0xf0 [ 76.722483][ T4664] el0t_64_sync+0x18c/0x190 [ 76.726266][ T4662] CPU: 1 PID: 4662 Comm: syz.2.65 Not tainted 6.1.130-syzkaller #0 [ 76.728368][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 76.731139][ T4662] Call trace: [ 76.731923][ T4662] dump_backtrace+0x1c8/0x1f4 [ 76.733163][ T4662] show_stack+0x2c/0x3c [ 76.734267][ T4662] dump_stack_lvl+0x108/0x170 [ 76.735485][ T4662] dump_stack+0x1c/0x58 [ 76.736573][ T4662] gfs2_withdraw+0xdcc/0x140c [ 76.737825][ T4662] gfs2_consist_inode_i+0xf0/0x10c [ 76.739160][ T4662] gfs2_dirent_scan+0x458/0x584 [ 76.740464][ T4662] gfs2_dirent_search+0x28c/0x790 [ 76.741825][ T4662] gfs2_dir_search+0xb8/0x280 [ 76.743020][ T4662] gfs2_lookupi+0x3cc/0x5a0 [ 76.744252][ T4662] __gfs2_lookup+0xb0/0x28c [ 76.745454][ T4662] gfs2_lookup+0x2c/0x3c [ 76.746578][ T4662] __lookup_slow+0x250/0x374 [ 76.747855][ T4662] lookup_slow+0x60/0x84 [ 76.748958][ T4662] walk_component+0x280/0x36c [ 76.750206][ T4662] path_lookupat+0x13c/0x3d0 [ 76.751461][ T4662] filename_lookup+0x1d4/0x4e0 [ 76.752764][ T4662] user_path_at_empty+0x5c/0x84 [ 76.754020][ T4662] __arm64_sys_mount+0x460/0x588 [ 76.755350][ T4662] invoke_syscall+0x98/0x2bc [ 76.756586][ T4662] el0_svc_common+0x138/0x258 [ 76.757857][ T4662] do_el0_svc+0x58/0x13c [ 76.758951][ T4662] el0_svc+0x58/0x168 [ 76.760148][ T4662] el0t_64_sync_handler+0x84/0xf0 [ 76.761517][ T4662] el0t_64_sync+0x18c/0x190 [ 76.773764][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.777324][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.993147][ T4672] loop4: detected capacity change from 0 to 32768 [ 77.019511][ T4672] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 77.021933][ T4672] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 77.038243][ T4672] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 77.043297][ T4334] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 77.045221][ T4334] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 77.144981][ T4669] loop1: detected capacity change from 0 to 32768 [ 77.148200][ T4334] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 102ms [ 77.150433][ T4334] gfs2: fsid=syz:syz.0: jid=0: Done [ 77.151913][ T4672] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 77.163301][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.165435][ T4669] CPU: 1 PID: 4669 Comm: syz.1.68 Not tainted 6.1.130-syzkaller #0 [ 77.167596][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 77.170348][ T4669] Call trace: [ 77.171203][ T4669] dump_backtrace+0x1c8/0x1f4 [ 77.172467][ T4669] show_stack+0x2c/0x3c [ 77.173568][ T4669] dump_stack_lvl+0x108/0x170 [ 77.174862][ T4669] dump_stack+0x1c/0x58 [ 77.176056][ T4669] sysfs_create_dir_ns+0x278/0x318 [ 77.177449][ T4669] kobject_add_internal+0x598/0xb14 [ 77.178875][ T4669] kobject_init_and_add+0x130/0x1a0 [ 77.180303][ T4669] gfs2_sys_fs_add+0x1f8/0x3f4 [ 77.181663][ T4669] gfs2_fill_super+0xe18/0x1fdc [ 77.183037][ T4669] get_tree_bdev+0x360/0x54c [ 77.184254][ T4669] gfs2_get_tree+0x54/0x1b4 [ 77.185481][ T4669] vfs_get_tree+0x90/0x274 [ 77.186904][ T4669] do_new_mount+0x278/0x8fc [ 77.188140][ T4669] path_mount+0x590/0xe5c [ 77.189372][ T4669] __arm64_sys_mount+0x498/0x588 [ 77.190728][ T4669] invoke_syscall+0x98/0x2bc [ 77.192041][ T4669] el0_svc_common+0x138/0x258 [ 77.193335][ T4669] do_el0_svc+0x58/0x13c [ 77.194583][ T4669] el0_svc+0x58/0x168 [ 77.195729][ T4669] el0t_64_sync_handler+0x84/0xf0 [ 77.197098][ T4669] el0t_64_sync+0x18c/0x190 [ 77.206559][ T4672] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 77.209512][ T4672] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 77.209512][ T4672] inode = 12 2341 [ 77.209512][ T4672] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 77.222729][ T4672] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 77.225184][ T4672] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4672 [syz.4.67] __gfs2_lookup+0xb0/0x28c [ 77.234274][ T4672] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 77.242490][ T4672] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 77.244435][ T4672] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 77.246829][ T4672] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 77.248789][ T4672] gfs2: fsid=syz:syz.0: File system withdrawn [ 77.250425][ T4672] CPU: 1 PID: 4672 Comm: syz.4.67 Not tainted 6.1.130-syzkaller #0 [ 77.252570][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 77.255210][ T4672] Call trace: [ 77.256061][ T4672] dump_backtrace+0x1c8/0x1f4 [ 77.257376][ T4672] show_stack+0x2c/0x3c [ 77.258507][ T4672] dump_stack_lvl+0x108/0x170 [ 77.259795][ T4672] dump_stack+0x1c/0x58 [ 77.260967][ T4672] gfs2_withdraw+0xdcc/0x140c [ 77.262201][ T4672] gfs2_consist_inode_i+0xf0/0x10c [ 77.263539][ T4672] gfs2_dirent_scan+0x458/0x584 [ 77.264877][ T4672] gfs2_dirent_search+0x28c/0x790 [ 77.266309][ T4672] gfs2_dir_search+0xb8/0x280 [ 77.267595][ T4672] gfs2_lookupi+0x3cc/0x5a0 [ 77.268843][ T4672] __gfs2_lookup+0xb0/0x28c [ 77.270103][ T4672] gfs2_lookup+0x2c/0x3c [ 77.271312][ T4672] __lookup_slow+0x250/0x374 [ 77.272577][ T4672] lookup_slow+0x60/0x84 [ 77.273833][ T4672] walk_component+0x280/0x36c [ 77.275129][ T4672] path_lookupat+0x13c/0x3d0 [ 77.276409][ T4672] filename_lookup+0x1d4/0x4e0 [ 77.277679][ T4672] user_path_at_empty+0x5c/0x84 [ 77.278975][ T4672] __arm64_sys_mount+0x460/0x588 [ 77.280409][ T4672] invoke_syscall+0x98/0x2bc [ 77.281643][ T4672] el0_svc_common+0x138/0x258 [ 77.282934][ T4672] do_el0_svc+0x58/0x13c [ 77.284102][ T4672] el0_svc+0x58/0x168 [ 77.285230][ T4672] el0t_64_sync_handler+0x84/0xf0 [ 77.286579][ T4672] el0t_64_sync+0x18c/0x190 [ 77.310614][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.314418][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.746607][ T4679] loop3: detected capacity change from 0 to 32768 [ 77.793073][ T4679] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 77.795396][ T4679] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 77.809811][ T4679] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 77.822831][ T4455] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 77.824634][ T4455] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 77.884015][ T4455] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 59ms [ 77.886297][ T4455] gfs2: fsid=syz:syz.0: jid=0: Done [ 77.887644][ T4679] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 77.901594][ T4679] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 77.917354][ T4679] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 77.917354][ T4679] inode = 12 2341 [ 77.917354][ T4679] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 77.922699][ T4679] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 77.925143][ T4679] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4679 [syz.3.70] __gfs2_lookup+0xb0/0x28c [ 77.938265][ T4679] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 77.940865][ T4679] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 77.963111][ T4679] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 77.965488][ T4679] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 77.967322][ T4679] gfs2: fsid=syz:syz.0: File system withdrawn [ 77.997417][ T4679] CPU: 0 PID: 4679 Comm: syz.3.70 Not tainted 6.1.130-syzkaller #0 [ 77.999609][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 78.002392][ T4679] Call trace: [ 78.003292][ T4679] dump_backtrace+0x1c8/0x1f4 [ 78.004579][ T4679] show_stack+0x2c/0x3c [ 78.005733][ T4679] dump_stack_lvl+0x108/0x170 [ 78.006935][ T4679] dump_stack+0x1c/0x58 [ 78.008089][ T4679] gfs2_withdraw+0xdcc/0x140c [ 78.009344][ T4679] gfs2_consist_inode_i+0xf0/0x10c [ 78.010736][ T4679] gfs2_dirent_scan+0x458/0x584 [ 78.012070][ T4679] gfs2_dirent_search+0x28c/0x790 [ 78.013414][ T4679] gfs2_dir_search+0xb8/0x280 [ 78.014706][ T4679] gfs2_lookupi+0x3cc/0x5a0 [ 78.015893][ T4679] __gfs2_lookup+0xb0/0x28c [ 78.017121][ T4679] gfs2_lookup+0x2c/0x3c [ 78.018262][ T4679] __lookup_slow+0x250/0x374 [ 78.019518][ T4679] lookup_slow+0x60/0x84 [ 78.020709][ T4679] walk_component+0x280/0x36c [ 78.022009][ T4679] path_lookupat+0x13c/0x3d0 [ 78.023263][ T4679] filename_lookup+0x1d4/0x4e0 [ 78.024538][ T4679] user_path_at_empty+0x5c/0x84 [ 78.025868][ T4679] __arm64_sys_mount+0x460/0x588 [ 78.027222][ T4679] invoke_syscall+0x98/0x2bc [ 78.028447][ T4679] el0_svc_common+0x138/0x258 [ 78.029749][ T4679] do_el0_svc+0x58/0x13c [ 78.030834][ T4679] el0_svc+0x58/0x168 [ 78.031892][ T4679] el0t_64_sync_handler+0x84/0xf0 [ 78.033247][ T4679] el0t_64_sync+0x18c/0x190 [ 78.042460][ T4682] loop0: detected capacity change from 0 to 32768 [ 78.052235][ T4682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.054271][ T4682] CPU: 0 PID: 4682 Comm: syz.0.71 Not tainted 6.1.130-syzkaller #0 [ 78.056538][ T4682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 78.059227][ T4682] Call trace: [ 78.060092][ T4682] dump_backtrace+0x1c8/0x1f4 [ 78.061323][ T4682] show_stack+0x2c/0x3c [ 78.062412][ T4682] dump_stack_lvl+0x108/0x170 [ 78.063624][ T4682] dump_stack+0x1c/0x58 [ 78.064832][ T4682] sysfs_create_dir_ns+0x278/0x318 [ 78.066256][ T4682] kobject_add_internal+0x598/0xb14 [ 78.067727][ T4682] kobject_init_and_add+0x130/0x1a0 [ 78.069319][ T4682] gfs2_sys_fs_add+0x1f8/0x3f4 [ 78.070593][ T4682] gfs2_fill_super+0xe18/0x1fdc [ 78.071960][ T4682] get_tree_bdev+0x360/0x54c [ 78.073233][ T4682] gfs2_get_tree+0x54/0x1b4 [ 78.074498][ T4682] vfs_get_tree+0x90/0x274 [ 78.075739][ T4682] do_new_mount+0x278/0x8fc [ 78.076951][ T4682] path_mount+0x590/0xe5c [ 78.078033][ T4682] __arm64_sys_mount+0x498/0x588 [ 78.079334][ T4682] invoke_syscall+0x98/0x2bc [ 78.080593][ T4682] el0_svc_common+0x138/0x258 [ 78.081846][ T4682] do_el0_svc+0x58/0x13c [ 78.083013][ T4682] el0_svc+0x58/0x168 [ 78.084030][ T4682] el0t_64_sync_handler+0x84/0xf0 [ 78.085332][ T4682] el0t_64_sync+0x18c/0x190 [ 78.126970][ T4683] loop2: detected capacity change from 0 to 32768 [ 78.137488][ T4682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.141164][ T4682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.148940][ T4683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.151002][ T4683] CPU: 1 PID: 4683 Comm: syz.2.69 Not tainted 6.1.130-syzkaller #0 [ 78.153118][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 78.155788][ T4683] Call trace: [ 78.156697][ T4683] dump_backtrace+0x1c8/0x1f4 [ 78.157986][ T4683] show_stack+0x2c/0x3c [ 78.159237][ T4683] dump_stack_lvl+0x108/0x170 [ 78.160525][ T4683] dump_stack+0x1c/0x58 [ 78.161616][ T4683] sysfs_create_dir_ns+0x278/0x318 [ 78.163036][ T4683] kobject_add_internal+0x598/0xb14 [ 78.164416][ T4683] kobject_init_and_add+0x130/0x1a0 [ 78.165840][ T4683] gfs2_sys_fs_add+0x1f8/0x3f4 [ 78.167118][ T4683] gfs2_fill_super+0xe18/0x1fdc [ 78.168458][ T4683] get_tree_bdev+0x360/0x54c [ 78.169733][ T4683] gfs2_get_tree+0x54/0x1b4 [ 78.170971][ T4683] vfs_get_tree+0x90/0x274 [ 78.172233][ T4683] do_new_mount+0x278/0x8fc [ 78.173444][ T4683] path_mount+0x590/0xe5c [ 78.174703][ T4683] __arm64_sys_mount+0x498/0x588 [ 78.176068][ T4683] invoke_syscall+0x98/0x2bc [ 78.177317][ T4683] el0_svc_common+0x138/0x258 [ 78.178525][ T4683] do_el0_svc+0x58/0x13c [ 78.179645][ T4683] el0_svc+0x58/0x168 [ 78.180713][ T4683] el0t_64_sync_handler+0x84/0xf0 [ 78.182101][ T4683] el0t_64_sync+0x18c/0x190 [ 78.222303][ T4683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.225918][ T4683] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.471860][ T4687] loop4: detected capacity change from 0 to 32768 [ 78.495995][ T4687] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 78.501786][ T4687] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 78.520299][ T4687] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 78.530377][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 78.532296][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 78.589271][ T4690] loop1: detected capacity change from 0 to 32768 [ 78.611204][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 78ms [ 78.613480][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 78.614882][ T4687] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 78.622365][ T4690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.624403][ T4690] CPU: 0 PID: 4690 Comm: syz.1.73 Not tainted 6.1.130-syzkaller #0 [ 78.626618][ T4690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 78.629334][ T4690] Call trace: [ 78.630222][ T4690] dump_backtrace+0x1c8/0x1f4 [ 78.631523][ T4690] show_stack+0x2c/0x3c [ 78.632697][ T4690] dump_stack_lvl+0x108/0x170 [ 78.634030][ T4690] dump_stack+0x1c/0x58 [ 78.635216][ T4690] sysfs_create_dir_ns+0x278/0x318 [ 78.636648][ T4690] kobject_add_internal+0x598/0xb14 [ 78.638082][ T4690] kobject_init_and_add+0x130/0x1a0 [ 78.639487][ T4690] gfs2_sys_fs_add+0x1f8/0x3f4 [ 78.640804][ T4690] gfs2_fill_super+0xe18/0x1fdc [ 78.642102][ T4690] get_tree_bdev+0x360/0x54c [ 78.643371][ T4690] gfs2_get_tree+0x54/0x1b4 [ 78.644626][ T4690] vfs_get_tree+0x90/0x274 [ 78.645878][ T4690] do_new_mount+0x278/0x8fc [ 78.647108][ T4690] path_mount+0x590/0xe5c [ 78.648314][ T4690] __arm64_sys_mount+0x498/0x588 [ 78.649660][ T4690] invoke_syscall+0x98/0x2bc [ 78.650915][ T4690] el0_svc_common+0x138/0x258 [ 78.652221][ T4690] do_el0_svc+0x58/0x13c [ 78.653381][ T4690] el0_svc+0x58/0x168 [ 78.654443][ T4690] el0t_64_sync_handler+0x84/0xf0 [ 78.655777][ T4690] el0t_64_sync+0x18c/0x190 [ 78.661801][ T4687] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 78.664584][ T4687] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 78.664584][ T4687] inode = 12 2341 [ 78.664584][ T4687] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 78.679951][ T4687] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 78.682553][ T4687] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4687 [syz.4.72] __gfs2_lookup+0xb0/0x28c [ 78.685034][ T4687] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 78.687229][ T4687] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 78.689230][ T4687] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 78.722179][ T4687] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 78.724132][ T4687] gfs2: fsid=syz:syz.0: File system withdrawn [ 78.725795][ T4687] CPU: 0 PID: 4687 Comm: syz.4.72 Not tainted 6.1.130-syzkaller #0 [ 78.727942][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 78.730624][ T4687] Call trace: [ 78.731552][ T4687] dump_backtrace+0x1c8/0x1f4 [ 78.732824][ T4687] show_stack+0x2c/0x3c [ 78.733961][ T4687] dump_stack_lvl+0x108/0x170 [ 78.735245][ T4687] dump_stack+0x1c/0x58 [ 78.736383][ T4687] gfs2_withdraw+0xdcc/0x140c [ 78.737662][ T4687] gfs2_consist_inode_i+0xf0/0x10c [ 78.739082][ T4687] gfs2_dirent_scan+0x458/0x584 [ 78.740381][ T4687] gfs2_dirent_search+0x28c/0x790 [ 78.741788][ T4687] gfs2_dir_search+0xb8/0x280 [ 78.743027][ T4687] gfs2_lookupi+0x3cc/0x5a0 [ 78.744293][ T4687] __gfs2_lookup+0xb0/0x28c [ 78.745487][ T4687] gfs2_lookup+0x2c/0x3c [ 78.746673][ T4687] __lookup_slow+0x250/0x374 [ 78.747937][ T4687] lookup_slow+0x60/0x84 [ 78.749059][ T4687] walk_component+0x280/0x36c [ 78.750381][ T4687] path_lookupat+0x13c/0x3d0 [ 78.751571][ T4687] filename_lookup+0x1d4/0x4e0 [ 78.752852][ T4687] user_path_at_empty+0x5c/0x84 [ 78.754212][ T4687] __arm64_sys_mount+0x460/0x588 [ 78.755552][ T4687] invoke_syscall+0x98/0x2bc [ 78.756796][ T4687] el0_svc_common+0x138/0x258 [ 78.758100][ T4687] do_el0_svc+0x58/0x13c [ 78.759258][ T4687] el0_svc+0x58/0x168 [ 78.760340][ T4687] el0t_64_sync_handler+0x84/0xf0 [ 78.761830][ T4687] el0t_64_sync+0x18c/0x190 [ 78.782215][ T4690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.796031][ T4690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.231495][ T4698] loop2: detected capacity change from 0 to 32768 [ 79.259642][ T4698] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 79.261896][ T4698] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 79.291118][ T4698] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 79.297958][ T4697] loop3: detected capacity change from 0 to 32768 [ 79.300731][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 79.302750][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 79.330515][ T4697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.332623][ T4697] CPU: 1 PID: 4697 Comm: syz.3.74 Not tainted 6.1.130-syzkaller #0 [ 79.334902][ T4697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 79.337578][ T4697] Call trace: [ 79.338503][ T4697] dump_backtrace+0x1c8/0x1f4 [ 79.339794][ T4697] show_stack+0x2c/0x3c [ 79.340953][ T4697] dump_stack_lvl+0x108/0x170 [ 79.342229][ T4697] dump_stack+0x1c/0x58 [ 79.343351][ T4697] sysfs_create_dir_ns+0x278/0x318 [ 79.344748][ T4697] kobject_add_internal+0x598/0xb14 [ 79.346179][ T4697] kobject_init_and_add+0x130/0x1a0 [ 79.347667][ T4697] gfs2_sys_fs_add+0x1f8/0x3f4 [ 79.348964][ T4697] gfs2_fill_super+0xe18/0x1fdc [ 79.350229][ T4697] get_tree_bdev+0x360/0x54c [ 79.351478][ T4697] gfs2_get_tree+0x54/0x1b4 [ 79.352718][ T4697] vfs_get_tree+0x90/0x274 [ 79.353959][ T4697] do_new_mount+0x278/0x8fc [ 79.355215][ T4697] path_mount+0x590/0xe5c [ 79.356388][ T4697] __arm64_sys_mount+0x498/0x588 [ 79.357730][ T4697] invoke_syscall+0x98/0x2bc [ 79.359019][ T4697] el0_svc_common+0x138/0x258 [ 79.360280][ T4697] do_el0_svc+0x58/0x13c [ 79.361503][ T4697] el0_svc+0x58/0x168 [ 79.362629][ T4697] el0t_64_sync_handler+0x84/0xf0 [ 79.364039][ T4697] el0t_64_sync+0x18c/0x190 [ 79.365167][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 62ms [ 79.383075][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 79.385245][ T4698] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 79.400518][ T4698] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 79.407701][ T4698] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 79.407701][ T4698] inode = 12 2341 [ 79.407701][ T4698] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 79.428001][ T4698] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 79.430452][ T4698] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4698 [syz.2.75] __gfs2_lookup+0xb0/0x28c [ 79.438144][ T4698] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 79.440366][ T4698] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 79.448287][ T4698] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 79.450844][ T4698] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 79.451570][ T4697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.458788][ T4697] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.465318][ T4698] gfs2: fsid=syz:syz.0: File system withdrawn [ 79.467061][ T4698] CPU: 0 PID: 4698 Comm: syz.2.75 Not tainted 6.1.130-syzkaller #0 [ 79.469174][ T4698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 79.471897][ T4698] Call trace: [ 79.472775][ T4698] dump_backtrace+0x1c8/0x1f4 [ 79.474099][ T4698] show_stack+0x2c/0x3c [ 79.475186][ T4698] dump_stack_lvl+0x108/0x170 [ 79.476461][ T4698] dump_stack+0x1c/0x58 [ 79.477541][ T4698] gfs2_withdraw+0xdcc/0x140c [ 79.478871][ T4698] gfs2_consist_inode_i+0xf0/0x10c [ 79.480295][ T4698] gfs2_dirent_scan+0x458/0x584 [ 79.481665][ T4698] gfs2_dirent_search+0x28c/0x790 [ 79.483010][ T4698] gfs2_dir_search+0xb8/0x280 [ 79.484241][ T4698] gfs2_lookupi+0x3cc/0x5a0 [ 79.485386][ T4698] __gfs2_lookup+0xb0/0x28c [ 79.486600][ T4698] gfs2_lookup+0x2c/0x3c [ 79.487749][ T4698] __lookup_slow+0x250/0x374 [ 79.488968][ T4698] lookup_slow+0x60/0x84 [ 79.490145][ T4698] walk_component+0x280/0x36c [ 79.491400][ T4698] path_lookupat+0x13c/0x3d0 [ 79.492628][ T4698] filename_lookup+0x1d4/0x4e0 [ 79.493968][ T4698] user_path_at_empty+0x5c/0x84 [ 79.495272][ T4698] __arm64_sys_mount+0x460/0x588 [ 79.496589][ T4698] invoke_syscall+0x98/0x2bc [ 79.497865][ T4698] el0_svc_common+0x138/0x258 [ 79.499110][ T4698] do_el0_svc+0x58/0x13c [ 79.500257][ T4698] el0_svc+0x58/0x168 [ 79.501345][ T4698] el0t_64_sync_handler+0x84/0xf0 [ 79.502730][ T4698] el0t_64_sync+0x18c/0x190 [ 79.540734][ T4702] loop0: detected capacity change from 0 to 32768 [ 79.556676][ T4702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.558759][ T4702] CPU: 0 PID: 4702 Comm: syz.0.76 Not tainted 6.1.130-syzkaller #0 [ 79.560850][ T4702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 79.563567][ T4702] Call trace: [ 79.564492][ T4702] dump_backtrace+0x1c8/0x1f4 [ 79.565746][ T4702] show_stack+0x2c/0x3c [ 79.566863][ T4702] dump_stack_lvl+0x108/0x170 [ 79.568112][ T4702] dump_stack+0x1c/0x58 [ 79.569298][ T4702] sysfs_create_dir_ns+0x278/0x318 [ 79.570672][ T4702] kobject_add_internal+0x598/0xb14 [ 79.572136][ T4702] kobject_init_and_add+0x130/0x1a0 [ 79.573507][ T4702] gfs2_sys_fs_add+0x1f8/0x3f4 [ 79.574772][ T4702] gfs2_fill_super+0xe18/0x1fdc [ 79.576099][ T4702] get_tree_bdev+0x360/0x54c [ 79.577352][ T4702] gfs2_get_tree+0x54/0x1b4 [ 79.578539][ T4702] vfs_get_tree+0x90/0x274 [ 79.579748][ T4702] do_new_mount+0x278/0x8fc [ 79.580970][ T4702] path_mount+0x590/0xe5c [ 79.582220][ T4702] __arm64_sys_mount+0x498/0x588 [ 79.583526][ T4702] invoke_syscall+0x98/0x2bc [ 79.584738][ T4702] el0_svc_common+0x138/0x258 [ 79.586080][ T4702] do_el0_svc+0x58/0x13c [ 79.587211][ T4702] el0_svc+0x58/0x168 [ 79.588276][ T4702] el0t_64_sync_handler+0x84/0xf0 [ 79.589560][ T4702] el0t_64_sync+0x18c/0x190 1970/01/01 00:01:19 executed programs: 73 [ 79.622306][ T4702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.625848][ T4702] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.887312][ T4711] loop4: detected capacity change from 0 to 32768 [ 79.904153][ T4711] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 79.906387][ T4711] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 79.929062][ T4711] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 79.956436][ T4454] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 79.958411][ T4454] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 79.977889][ T4710] loop1: detected capacity change from 0 to 32768 [ 79.991770][ T4710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.002627][ T4710] CPU: 1 PID: 4710 Comm: syz.1.78 Not tainted 6.1.130-syzkaller #0 [ 80.004794][ T4710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 80.007577][ T4710] Call trace: [ 80.008442][ T4710] dump_backtrace+0x1c8/0x1f4 [ 80.009719][ T4710] show_stack+0x2c/0x3c [ 80.010841][ T4710] dump_stack_lvl+0x108/0x170 [ 80.012077][ T4710] dump_stack+0x1c/0x58 [ 80.013188][ T4710] sysfs_create_dir_ns+0x278/0x318 [ 80.014457][ T4710] kobject_add_internal+0x598/0xb14 [ 80.015859][ T4710] kobject_init_and_add+0x130/0x1a0 [ 80.017299][ T4710] gfs2_sys_fs_add+0x1f8/0x3f4 [ 80.018649][ T4710] gfs2_fill_super+0xe18/0x1fdc [ 80.019974][ T4710] get_tree_bdev+0x360/0x54c [ 80.021234][ T4710] gfs2_get_tree+0x54/0x1b4 [ 80.022425][ T4710] vfs_get_tree+0x90/0x274 [ 80.023603][ T4710] do_new_mount+0x278/0x8fc [ 80.024850][ T4710] path_mount+0x590/0xe5c [ 80.025998][ T4710] __arm64_sys_mount+0x498/0x588 [ 80.027299][ T4710] invoke_syscall+0x98/0x2bc [ 80.028509][ T4710] el0_svc_common+0x138/0x258 [ 80.029820][ T4710] do_el0_svc+0x58/0x13c [ 80.030973][ T4710] el0_svc+0x58/0x168 [ 80.032046][ T4710] el0t_64_sync_handler+0x84/0xf0 [ 80.033379][ T4710] el0t_64_sync+0x18c/0x190 [ 80.054452][ T4454] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 96ms [ 80.058156][ T4454] gfs2: fsid=syz:syz.0: jid=0: Done [ 80.059616][ T4711] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 80.065843][ T4711] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 80.071127][ T4711] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 80.071127][ T4711] inode = 12 2341 [ 80.071127][ T4711] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 80.083750][ T4711] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 80.086311][ T4711] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4711 [syz.4.77] __gfs2_lookup+0xb0/0x28c [ 80.092619][ T4711] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 80.094851][ T4711] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 80.096817][ T4711] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 80.102624][ T4710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.106073][ T4710] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.109281][ T4711] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 80.111112][ T4711] gfs2: fsid=syz:syz.0: File system withdrawn [ 80.118754][ T4711] CPU: 1 PID: 4711 Comm: syz.4.77 Not tainted 6.1.130-syzkaller #0 [ 80.120902][ T4711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 80.123507][ T4711] Call trace: [ 80.124357][ T4711] dump_backtrace+0x1c8/0x1f4 [ 80.125614][ T4711] show_stack+0x2c/0x3c [ 80.126745][ T4711] dump_stack_lvl+0x108/0x170 [ 80.128030][ T4711] dump_stack+0x1c/0x58 [ 80.129190][ T4711] gfs2_withdraw+0xdcc/0x140c [ 80.130496][ T4711] gfs2_consist_inode_i+0xf0/0x10c [ 80.131838][ T4711] gfs2_dirent_scan+0x458/0x584 [ 80.133150][ T4711] gfs2_dirent_search+0x28c/0x790 [ 80.134490][ T4711] gfs2_dir_search+0xb8/0x280 [ 80.135786][ T4711] gfs2_lookupi+0x3cc/0x5a0 [ 80.136959][ T4711] __gfs2_lookup+0xb0/0x28c [ 80.138148][ T4711] gfs2_lookup+0x2c/0x3c [ 80.139266][ T4711] __lookup_slow+0x250/0x374 [ 80.140533][ T4711] lookup_slow+0x60/0x84 [ 80.141705][ T4711] walk_component+0x280/0x36c [ 80.143025][ T4711] path_lookupat+0x13c/0x3d0 [ 80.144275][ T4711] filename_lookup+0x1d4/0x4e0 [ 80.145539][ T4711] user_path_at_empty+0x5c/0x84 [ 80.146810][ T4711] __arm64_sys_mount+0x460/0x588 [ 80.148143][ T4711] invoke_syscall+0x98/0x2bc [ 80.149458][ T4711] el0_svc_common+0x138/0x258 [ 80.150875][ T4711] do_el0_svc+0x58/0x13c [ 80.152162][ T4711] el0_svc+0x58/0x168 [ 80.153262][ T4711] el0t_64_sync_handler+0x84/0xf0 [ 80.154637][ T4711] el0t_64_sync+0x18c/0x190 [ 80.198404][ T4626] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 80.619522][ T4721] loop3: detected capacity change from 0 to 32768 [ 80.630239][ T4715] loop2: detected capacity change from 0 to 32768 [ 80.657061][ T4721] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 80.665958][ T4715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.667949][ T4715] CPU: 1 PID: 4715 Comm: syz.2.79 Not tainted 6.1.130-syzkaller #0 [ 80.670060][ T4715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 80.671921][ T4721] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 80.672757][ T4715] Call trace: [ 80.672766][ T4715] dump_backtrace+0x1c8/0x1f4 [ 80.672787][ T4715] show_stack+0x2c/0x3c [ 80.672800][ T4715] dump_stack_lvl+0x108/0x170 [ 80.672814][ T4715] dump_stack+0x1c/0x58 [ 80.680404][ T4715] sysfs_create_dir_ns+0x278/0x318 [ 80.681831][ T4715] kobject_add_internal+0x598/0xb14 [ 80.683273][ T4715] kobject_init_and_add+0x130/0x1a0 [ 80.684645][ T4715] gfs2_sys_fs_add+0x1f8/0x3f4 [ 80.685971][ T4715] gfs2_fill_super+0xe18/0x1fdc [ 80.687259][ T4715] get_tree_bdev+0x360/0x54c [ 80.688494][ T4715] gfs2_get_tree+0x54/0x1b4 [ 80.689664][ T4715] vfs_get_tree+0x90/0x274 [ 80.689675][ T4721] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 80.690830][ T4715] do_new_mount+0x278/0x8fc [ 80.694123][ T4715] path_mount+0x590/0xe5c [ 80.695348][ T4715] __arm64_sys_mount+0x498/0x588 [ 80.696687][ T4715] invoke_syscall+0x98/0x2bc [ 80.697922][ T4715] el0_svc_common+0x138/0x258 [ 80.698719][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 80.699331][ T4715] do_el0_svc+0x58/0x13c [ 80.699355][ T4715] el0_svc+0x58/0x168 [ 80.701196][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 80.702305][ T4715] el0t_64_sync_handler+0x84/0xf0 [ 80.702326][ T4715] el0t_64_sync+0x18c/0x190 [ 80.720455][ T4717] loop0: detected capacity change from 0 to 32768 [ 80.743046][ T4717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.745180][ T4717] CPU: 1 PID: 4717 Comm: syz.0.80 Not tainted 6.1.130-syzkaller #0 [ 80.747259][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 80.749919][ T4717] Call trace: [ 80.750788][ T4717] dump_backtrace+0x1c8/0x1f4 [ 80.752095][ T4717] show_stack+0x2c/0x3c [ 80.753209][ T4717] dump_stack_lvl+0x108/0x170 [ 80.754477][ T4717] dump_stack+0x1c/0x58 [ 80.755569][ T4717] sysfs_create_dir_ns+0x278/0x318 [ 80.756995][ T4717] kobject_add_internal+0x598/0xb14 [ 80.758409][ T4717] kobject_init_and_add+0x130/0x1a0 [ 80.759836][ T4717] gfs2_sys_fs_add+0x1f8/0x3f4 [ 80.761111][ T4717] gfs2_fill_super+0xe18/0x1fdc [ 80.762419][ T4717] get_tree_bdev+0x360/0x54c [ 80.763706][ T4717] gfs2_get_tree+0x54/0x1b4 [ 80.764900][ T4717] vfs_get_tree+0x90/0x274 [ 80.766084][ T4717] do_new_mount+0x278/0x8fc [ 80.767253][ T4717] path_mount+0x590/0xe5c [ 80.768447][ T4717] __arm64_sys_mount+0x498/0x588 [ 80.769782][ T4717] invoke_syscall+0x98/0x2bc [ 80.770975][ T4717] el0_svc_common+0x138/0x258 [ 80.772310][ T4717] do_el0_svc+0x58/0x13c [ 80.773428][ T4717] el0_svc+0x58/0x168 [ 80.774483][ T4717] el0t_64_sync_handler+0x84/0xf0 [ 80.775843][ T4717] el0t_64_sync+0x18c/0x190 [ 80.792588][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 91ms [ 80.794754][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 80.796199][ T4721] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 80.801794][ T4721] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 80.810260][ T4721] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 80.810260][ T4721] inode = 12 2341 [ 80.810260][ T4721] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 80.820566][ T4721] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 80.823573][ T4721] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4721 [syz.3.81] __gfs2_lookup+0xb0/0x28c [ 80.826142][ T4721] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 80.828369][ T4721] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 80.830343][ T4721] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 80.835726][ T4715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.839345][ T4715] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.859611][ T4721] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 80.861504][ T4721] gfs2: fsid=syz:syz.0: File system withdrawn [ 80.864620][ T4717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.868097][ T4717] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.878164][ T4721] CPU: 0 PID: 4721 Comm: syz.3.81 Not tainted 6.1.130-syzkaller #0 [ 80.880358][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 80.883017][ T4721] Call trace: [ 80.883906][ T4721] dump_backtrace+0x1c8/0x1f4 [ 80.885209][ T4721] show_stack+0x2c/0x3c [ 80.886340][ T4721] dump_stack_lvl+0x108/0x170 [ 80.887606][ T4721] dump_stack+0x1c/0x58 [ 80.888757][ T4721] gfs2_withdraw+0xdcc/0x140c [ 80.889982][ T4721] gfs2_consist_inode_i+0xf0/0x10c [ 80.891320][ T4721] gfs2_dirent_scan+0x458/0x584 [ 80.892613][ T4721] gfs2_dirent_search+0x28c/0x790 [ 80.893975][ T4721] gfs2_dir_search+0xb8/0x280 [ 80.895276][ T4721] gfs2_lookupi+0x3cc/0x5a0 [ 80.896435][ T4721] __gfs2_lookup+0xb0/0x28c [ 80.897685][ T4721] gfs2_lookup+0x2c/0x3c [ 80.898819][ T4721] __lookup_slow+0x250/0x374 [ 80.900013][ T4721] lookup_slow+0x60/0x84 [ 80.901174][ T4721] walk_component+0x280/0x36c [ 80.902407][ T4721] path_lookupat+0x13c/0x3d0 [ 80.903672][ T4721] filename_lookup+0x1d4/0x4e0 [ 80.904960][ T4721] user_path_at_empty+0x5c/0x84 [ 80.906278][ T4721] __arm64_sys_mount+0x460/0x588 [ 80.907736][ T4721] invoke_syscall+0x98/0x2bc [ 80.909069][ T4721] el0_svc_common+0x138/0x258 [ 80.910467][ T4721] do_el0_svc+0x58/0x13c [ 80.911737][ T4721] el0_svc+0x58/0x168 [ 80.912906][ T4721] el0t_64_sync_handler+0x84/0xf0 [ 80.914287][ T4721] el0t_64_sync+0x18c/0x190 [ 81.275797][ T4726] loop1: detected capacity change from 0 to 32768 [ 81.306335][ T4726] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 81.308549][ T4726] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 81.337465][ T4726] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 81.340578][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 81.342897][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 81.397877][ T4729] loop4: detected capacity change from 0 to 32768 [ 81.435126][ T4729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.435307][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 92ms [ 81.437127][ T4729] CPU: 1 PID: 4729 Comm: syz.4.82 Not tainted 6.1.130-syzkaller #0 [ 81.439274][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 81.441066][ T4729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 81.445176][ T4729] Call trace: [ 81.446058][ T4729] dump_backtrace+0x1c8/0x1f4 [ 81.447287][ T4729] show_stack+0x2c/0x3c [ 81.448402][ T4729] dump_stack_lvl+0x108/0x170 [ 81.449634][ T4729] dump_stack+0x1c/0x58 [ 81.450896][ T4729] sysfs_create_dir_ns+0x278/0x318 [ 81.452147][ T4726] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 81.452394][ T4729] kobject_add_internal+0x598/0xb14 [ 81.455891][ T4729] kobject_init_and_add+0x130/0x1a0 [ 81.457346][ T4729] gfs2_sys_fs_add+0x1f8/0x3f4 [ 81.458726][ T4729] gfs2_fill_super+0xe18/0x1fdc [ 81.460145][ T4729] get_tree_bdev+0x360/0x54c [ 81.461486][ T4729] gfs2_get_tree+0x54/0x1b4 [ 81.462702][ T4729] vfs_get_tree+0x90/0x274 [ 81.463915][ T4729] do_new_mount+0x278/0x8fc [ 81.465243][ T4729] path_mount+0x590/0xe5c [ 81.466444][ T4729] __arm64_sys_mount+0x498/0x588 [ 81.467813][ T4729] invoke_syscall+0x98/0x2bc [ 81.469106][ T4729] el0_svc_common+0x138/0x258 [ 81.470353][ T4729] do_el0_svc+0x58/0x13c [ 81.471576][ T4729] el0_svc+0x58/0x168 [ 81.472647][ T4729] el0t_64_sync_handler+0x84/0xf0 [ 81.474081][ T4729] el0t_64_sync+0x18c/0x190 [ 81.487129][ T4726] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 81.492158][ T4726] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 81.492158][ T4726] inode = 12 2341 [ 81.492158][ T4726] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 81.497458][ T4726] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 81.499926][ T4726] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4726 [syz.1.83] __gfs2_lookup+0xb0/0x28c [ 81.524523][ T4729] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.528241][ T4729] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.538170][ T4726] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 81.540458][ T4726] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 81.552367][ T4726] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 81.555097][ T4726] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 81.565304][ T4726] gfs2: fsid=syz:syz.0: File system withdrawn [ 81.567154][ T4726] CPU: 0 PID: 4726 Comm: syz.1.83 Not tainted 6.1.130-syzkaller #0 [ 81.569273][ T4726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 81.572033][ T4726] Call trace: [ 81.572894][ T4726] dump_backtrace+0x1c8/0x1f4 [ 81.574104][ T4726] show_stack+0x2c/0x3c [ 81.575149][ T4726] dump_stack_lvl+0x108/0x170 [ 81.576431][ T4726] dump_stack+0x1c/0x58 [ 81.577628][ T4726] gfs2_withdraw+0xdcc/0x140c [ 81.578935][ T4726] gfs2_consist_inode_i+0xf0/0x10c [ 81.580346][ T4726] gfs2_dirent_scan+0x458/0x584 [ 81.581636][ T4726] gfs2_dirent_search+0x28c/0x790 [ 81.583057][ T4726] gfs2_dir_search+0xb8/0x280 [ 81.584321][ T4726] gfs2_lookupi+0x3cc/0x5a0 [ 81.585508][ T4726] __gfs2_lookup+0xb0/0x28c [ 81.586703][ T4726] gfs2_lookup+0x2c/0x3c [ 81.587864][ T4726] __lookup_slow+0x250/0x374 [ 81.589170][ T4726] lookup_slow+0x60/0x84 [ 81.590352][ T4726] walk_component+0x280/0x36c [ 81.591611][ T4726] path_lookupat+0x13c/0x3d0 [ 81.592877][ T4726] filename_lookup+0x1d4/0x4e0 [ 81.594181][ T4726] user_path_at_empty+0x5c/0x84 [ 81.595489][ T4726] __arm64_sys_mount+0x460/0x588 [ 81.596865][ T4726] invoke_syscall+0x98/0x2bc [ 81.598139][ T4726] el0_svc_common+0x138/0x258 [ 81.599458][ T4726] do_el0_svc+0x58/0x13c [ 81.600590][ T4726] el0_svc+0x58/0x168 [ 81.601669][ T4726] el0t_64_sync_handler+0x84/0xf0 [ 81.603048][ T4726] el0t_64_sync+0x18c/0x190 [ 82.043417][ T4732] loop3: detected capacity change from 0 to 32768 [ 82.055055][ T4732] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 82.057220][ T4732] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 82.106728][ T4732] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 82.115428][ T4455] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 82.117242][ T4455] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 82.135915][ T4739] loop2: detected capacity change from 0 to 32768 [ 82.159789][ T4739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.161875][ T4739] CPU: 1 PID: 4739 Comm: syz.2.85 Not tainted 6.1.130-syzkaller #0 [ 82.164113][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 82.166829][ T4739] Call trace: [ 82.167697][ T4739] dump_backtrace+0x1c8/0x1f4 [ 82.168946][ T4739] show_stack+0x2c/0x3c [ 82.170092][ T4739] dump_stack_lvl+0x108/0x170 [ 82.171331][ T4739] dump_stack+0x1c/0x58 [ 82.172460][ T4739] sysfs_create_dir_ns+0x278/0x318 [ 82.173797][ T4739] kobject_add_internal+0x598/0xb14 [ 82.175290][ T4739] kobject_init_and_add+0x130/0x1a0 [ 82.176640][ T4739] gfs2_sys_fs_add+0x1f8/0x3f4 [ 82.177909][ T4739] gfs2_fill_super+0xe18/0x1fdc [ 82.179189][ T4739] get_tree_bdev+0x360/0x54c [ 82.180436][ T4739] gfs2_get_tree+0x54/0x1b4 [ 82.181639][ T4739] vfs_get_tree+0x90/0x274 [ 82.182803][ T4739] do_new_mount+0x278/0x8fc [ 82.183970][ T4739] path_mount+0x590/0xe5c [ 82.185112][ T4739] __arm64_sys_mount+0x498/0x588 [ 82.186461][ T4739] invoke_syscall+0x98/0x2bc [ 82.187781][ T4739] el0_svc_common+0x138/0x258 [ 82.189065][ T4739] do_el0_svc+0x58/0x13c [ 82.190188][ T4739] el0_svc+0x58/0x168 [ 82.191310][ T4739] el0t_64_sync_handler+0x84/0xf0 [ 82.192636][ T4739] el0t_64_sync+0x18c/0x190 [ 82.204504][ T4740] loop0: detected capacity change from 0 to 32768 [ 82.215188][ T4455] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 97ms [ 82.217420][ T4455] gfs2: fsid=syz:syz.0: jid=0: Done [ 82.218983][ T4732] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 82.228354][ T4739] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.231889][ T4739] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.234769][ T4740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.236795][ T4740] CPU: 1 PID: 4740 Comm: syz.0.86 Not tainted 6.1.130-syzkaller #0 [ 82.238901][ T4740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 82.241535][ T4740] Call trace: [ 82.242377][ T4740] dump_backtrace+0x1c8/0x1f4 [ 82.243668][ T4740] show_stack+0x2c/0x3c [ 82.244788][ T4740] dump_stack_lvl+0x108/0x170 [ 82.246079][ T4740] dump_stack+0x1c/0x58 [ 82.247251][ T4740] sysfs_create_dir_ns+0x278/0x318 [ 82.248614][ T4740] kobject_add_internal+0x598/0xb14 [ 82.250015][ T4740] kobject_init_and_add+0x130/0x1a0 [ 82.251461][ T4740] gfs2_sys_fs_add+0x1f8/0x3f4 [ 82.252809][ T4740] gfs2_fill_super+0xe18/0x1fdc [ 82.254227][ T4740] get_tree_bdev+0x360/0x54c [ 82.255483][ T4740] gfs2_get_tree+0x54/0x1b4 [ 82.256701][ T4740] vfs_get_tree+0x90/0x274 [ 82.257860][ T4740] do_new_mount+0x278/0x8fc [ 82.259053][ T4740] path_mount+0x590/0xe5c [ 82.260212][ T4740] __arm64_sys_mount+0x498/0x588 [ 82.261520][ T4740] invoke_syscall+0x98/0x2bc [ 82.262723][ T4740] el0_svc_common+0x138/0x258 [ 82.264015][ T4740] do_el0_svc+0x58/0x13c [ 82.265144][ T4740] el0_svc+0x58/0x168 [ 82.266232][ T4740] el0t_64_sync_handler+0x84/0xf0 [ 82.267615][ T4740] el0t_64_sync+0x18c/0x190 [ 82.274520][ T4740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.278155][ T4740] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.282393][ T4732] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 82.284967][ T4732] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 82.284967][ T4732] inode = 12 2341 [ 82.284967][ T4732] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 82.305108][ T4732] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 82.307679][ T4732] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4732 [syz.3.84] __gfs2_lookup+0xb0/0x28c [ 82.311452][ T4732] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 82.323457][ T4732] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 82.325421][ T4732] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 82.327965][ T4732] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 82.329744][ T4732] gfs2: fsid=syz:syz.0: File system withdrawn [ 82.374576][ T4732] CPU: 0 PID: 4732 Comm: syz.3.84 Not tainted 6.1.130-syzkaller #0 [ 82.376719][ T4732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 82.379449][ T4732] Call trace: [ 82.380296][ T4732] dump_backtrace+0x1c8/0x1f4 [ 82.381561][ T4732] show_stack+0x2c/0x3c [ 82.382647][ T4732] dump_stack_lvl+0x108/0x170 [ 82.383881][ T4732] dump_stack+0x1c/0x58 [ 82.385020][ T4732] gfs2_withdraw+0xdcc/0x140c [ 82.386246][ T4732] gfs2_consist_inode_i+0xf0/0x10c [ 82.387562][ T4732] gfs2_dirent_scan+0x458/0x584 [ 82.388911][ T4732] gfs2_dirent_search+0x28c/0x790 [ 82.390220][ T4732] gfs2_dir_search+0xb8/0x280 [ 82.391422][ T4732] gfs2_lookupi+0x3cc/0x5a0 [ 82.392638][ T4732] __gfs2_lookup+0xb0/0x28c [ 82.393905][ T4732] gfs2_lookup+0x2c/0x3c [ 82.395061][ T4732] __lookup_slow+0x250/0x374 [ 82.396244][ T4732] lookup_slow+0x60/0x84 [ 82.397322][ T4732] walk_component+0x280/0x36c [ 82.398541][ T4732] path_lookupat+0x13c/0x3d0 [ 82.399870][ T4732] filename_lookup+0x1d4/0x4e0 [ 82.401093][ T4732] user_path_at_empty+0x5c/0x84 [ 82.402350][ T4732] __arm64_sys_mount+0x460/0x588 [ 82.403615][ T4732] invoke_syscall+0x98/0x2bc [ 82.405099][ T4732] el0_svc_common+0x138/0x258 [ 82.406398][ T4732] do_el0_svc+0x58/0x13c [ 82.407556][ T4732] el0_svc+0x58/0x168 [ 82.408616][ T4732] el0t_64_sync_handler+0x84/0xf0 [ 82.409921][ T4732] el0t_64_sync+0x18c/0x190 [ 82.619738][ T4747] loop4: detected capacity change from 0 to 32768 [ 82.682900][ T4747] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 82.685104][ T4747] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 82.713784][ T4747] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 82.717125][ T4455] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 82.719236][ T4455] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 82.766645][ T4745] loop1: detected capacity change from 0 to 32768 [ 82.791571][ T4745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.794183][ T4455] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 74ms [ 82.796225][ T4455] gfs2: fsid=syz:syz.0: jid=0: Done [ 82.797607][ T4747] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 82.800169][ T4745] CPU: 1 PID: 4745 Comm: syz.1.87 Not tainted 6.1.130-syzkaller #0 [ 82.802286][ T4745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 82.803290][ T4747] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 82.804947][ T4745] Call trace: [ 82.804954][ T4745] dump_backtrace+0x1c8/0x1f4 [ 82.807513][ T4747] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 82.807513][ T4747] inode = 12 2341 [ 82.807513][ T4747] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 82.808390][ T4745] show_stack+0x2c/0x3c [ 82.815715][ T4745] dump_stack_lvl+0x108/0x170 [ 82.817060][ T4745] dump_stack+0x1c/0x58 [ 82.818194][ T4745] sysfs_create_dir_ns+0x278/0x318 [ 82.819585][ T4745] kobject_add_internal+0x598/0xb14 [ 82.820981][ T4745] kobject_init_and_add+0x130/0x1a0 [ 82.822456][ T4745] gfs2_sys_fs_add+0x1f8/0x3f4 [ 82.823813][ T4745] gfs2_fill_super+0xe18/0x1fdc [ 82.825135][ T4745] get_tree_bdev+0x360/0x54c [ 82.826341][ T4745] gfs2_get_tree+0x54/0x1b4 [ 82.827546][ T4745] vfs_get_tree+0x90/0x274 [ 82.828750][ T4745] do_new_mount+0x278/0x8fc [ 82.830009][ T4745] path_mount+0x590/0xe5c [ 82.831202][ T4745] __arm64_sys_mount+0x498/0x588 [ 82.832548][ T4745] invoke_syscall+0x98/0x2bc [ 82.833841][ T4745] el0_svc_common+0x138/0x258 [ 82.835169][ T4745] do_el0_svc+0x58/0x13c [ 82.836287][ T4745] el0_svc+0x58/0x168 [ 82.837368][ T4745] el0t_64_sync_handler+0x84/0xf0 [ 82.838773][ T4745] el0t_64_sync+0x18c/0x190 [ 82.841683][ T4747] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 82.851786][ T4747] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4747 [syz.4.88] __gfs2_lookup+0xb0/0x28c [ 82.862929][ T4747] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 82.865180][ T4747] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 82.867073][ T4747] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 82.869483][ T4747] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 82.871308][ T4747] gfs2: fsid=syz:syz.0: File system withdrawn [ 82.901861][ T4745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.908762][ T4747] CPU: 0 PID: 4747 Comm: syz.4.88 Not tainted 6.1.130-syzkaller #0 [ 82.910942][ T4747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 82.913665][ T4747] Call trace: [ 82.914583][ T4747] dump_backtrace+0x1c8/0x1f4 [ 82.915875][ T4747] show_stack+0x2c/0x3c [ 82.915898][ T4745] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.916999][ T4747] dump_stack_lvl+0x108/0x170 [ 82.920009][ T4747] dump_stack+0x1c/0x58 [ 82.921106][ T4747] gfs2_withdraw+0xdcc/0x140c [ 82.922340][ T4747] gfs2_consist_inode_i+0xf0/0x10c [ 82.923689][ T4747] gfs2_dirent_scan+0x458/0x584 [ 82.924996][ T4747] gfs2_dirent_search+0x28c/0x790 [ 82.926370][ T4747] gfs2_dir_search+0xb8/0x280 [ 82.927707][ T4747] gfs2_lookupi+0x3cc/0x5a0 [ 82.928881][ T4747] __gfs2_lookup+0xb0/0x28c [ 82.930163][ T4747] gfs2_lookup+0x2c/0x3c [ 82.931263][ T4747] __lookup_slow+0x250/0x374 [ 82.932506][ T4747] lookup_slow+0x60/0x84 [ 82.933665][ T4747] walk_component+0x280/0x36c [ 82.934891][ T4747] path_lookupat+0x13c/0x3d0 [ 82.936083][ T4747] filename_lookup+0x1d4/0x4e0 [ 82.937394][ T4747] user_path_at_empty+0x5c/0x84 [ 82.938712][ T4747] __arm64_sys_mount+0x460/0x588 [ 82.940117][ T4747] invoke_syscall+0x98/0x2bc [ 82.941388][ T4747] el0_svc_common+0x138/0x258 [ 82.942628][ T4747] do_el0_svc+0x58/0x13c [ 82.943770][ T4747] el0_svc+0x58/0x168 [ 82.944856][ T4747] el0t_64_sync_handler+0x84/0xf0 [ 82.946188][ T4747] el0t_64_sync+0x18c/0x190 [ 83.229769][ T4756] loop0: detected capacity change from 0 to 32768 [ 83.245925][ T4756] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 83.251963][ T4756] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 83.270966][ T4756] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 83.282507][ T4455] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 83.284427][ T4455] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 83.375943][ T4455] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 91ms [ 83.378114][ T4455] gfs2: fsid=syz:syz.0: jid=0: Done [ 83.379502][ T4756] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 83.385215][ T4756] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 83.387720][ T4756] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 83.387720][ T4756] inode = 12 2341 [ 83.387720][ T4756] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 83.425608][ T4756] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 83.428171][ T4756] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4756 [syz.0.90] __gfs2_lookup+0xb0/0x28c [ 83.430641][ T4756] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 83.446859][ T4756] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 83.448840][ T4756] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 83.451333][ T4756] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 83.481747][ T4756] gfs2: fsid=syz:syz.0: File system withdrawn [ 83.485340][ T4758] loop3: detected capacity change from 0 to 32768 [ 83.488980][ T4756] CPU: 0 PID: 4756 Comm: syz.0.90 Not tainted 6.1.130-syzkaller #0 [ 83.491123][ T4756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 83.493826][ T4756] Call trace: [ 83.494753][ T4756] dump_backtrace+0x1c8/0x1f4 [ 83.496001][ T4756] show_stack+0x2c/0x3c [ 83.497088][ T4756] dump_stack_lvl+0x108/0x170 [ 83.498369][ T4756] dump_stack+0x1c/0x58 [ 83.499397][ T4756] gfs2_withdraw+0xdcc/0x140c [ 83.500672][ T4756] gfs2_consist_inode_i+0xf0/0x10c [ 83.502051][ T4756] gfs2_dirent_scan+0x458/0x584 [ 83.503334][ T4756] gfs2_dirent_search+0x28c/0x790 [ 83.504681][ T4756] gfs2_dir_search+0xb8/0x280 [ 83.505938][ T4756] gfs2_lookupi+0x3cc/0x5a0 [ 83.507169][ T4756] __gfs2_lookup+0xb0/0x28c [ 83.508346][ T4756] gfs2_lookup+0x2c/0x3c [ 83.509475][ T4756] __lookup_slow+0x250/0x374 [ 83.510695][ T4756] lookup_slow+0x60/0x84 [ 83.511803][ T4756] walk_component+0x280/0x36c [ 83.513011][ T4756] path_lookupat+0x13c/0x3d0 [ 83.514363][ T4756] filename_lookup+0x1d4/0x4e0 [ 83.515667][ T4756] user_path_at_empty+0x5c/0x84 [ 83.516989][ T4756] __arm64_sys_mount+0x460/0x588 [ 83.518278][ T4756] invoke_syscall+0x98/0x2bc [ 83.519635][ T4756] el0_svc_common+0x138/0x258 [ 83.520891][ T4756] do_el0_svc+0x58/0x13c [ 83.522039][ T4756] el0_svc+0x58/0x168 [ 83.523212][ T4756] el0t_64_sync_handler+0x84/0xf0 [ 83.524582][ T4756] el0t_64_sync+0x18c/0x190 [ 83.527084][ T4755] loop2: detected capacity change from 0 to 32768 [ 83.532791][ T4755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.534820][ T4755] CPU: 1 PID: 4755 Comm: syz.2.89 Not tainted 6.1.130-syzkaller #0 [ 83.536911][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 83.539603][ T4755] Call trace: [ 83.540494][ T4755] dump_backtrace+0x1c8/0x1f4 [ 83.541820][ T4755] show_stack+0x2c/0x3c [ 83.542893][ T4755] dump_stack_lvl+0x108/0x170 [ 83.544187][ T4755] dump_stack+0x1c/0x58 [ 83.545349][ T4755] sysfs_create_dir_ns+0x278/0x318 [ 83.546735][ T4755] kobject_add_internal+0x598/0xb14 [ 83.548093][ T4755] kobject_init_and_add+0x130/0x1a0 [ 83.549498][ T4755] gfs2_sys_fs_add+0x1f8/0x3f4 [ 83.550812][ T4755] gfs2_fill_super+0xe18/0x1fdc [ 83.552123][ T4755] get_tree_bdev+0x360/0x54c [ 83.553387][ T4755] gfs2_get_tree+0x54/0x1b4 [ 83.554634][ T4755] vfs_get_tree+0x90/0x274 [ 83.555798][ T4755] do_new_mount+0x278/0x8fc [ 83.557050][ T4755] path_mount+0x590/0xe5c [ 83.558217][ T4755] __arm64_sys_mount+0x498/0x588 [ 83.559540][ T4755] invoke_syscall+0x98/0x2bc [ 83.560869][ T4755] el0_svc_common+0x138/0x258 [ 83.562151][ T4755] do_el0_svc+0x58/0x13c [ 83.563397][ T4755] el0_svc+0x58/0x168 [ 83.564567][ T4755] el0t_64_sync_handler+0x84/0xf0 [ 83.566046][ T4755] el0t_64_sync+0x18c/0x190 [ 83.567611][ T4758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.569473][ T4758] CPU: 1 PID: 4758 Comm: syz.3.91 Not tainted 6.1.130-syzkaller #0 [ 83.571635][ T4758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 83.574383][ T4758] Call trace: [ 83.575296][ T4758] dump_backtrace+0x1c8/0x1f4 [ 83.576557][ T4758] show_stack+0x2c/0x3c [ 83.577675][ T4758] dump_stack_lvl+0x108/0x170 [ 83.578956][ T4758] dump_stack+0x1c/0x58 [ 83.580050][ T4758] sysfs_create_dir_ns+0x278/0x318 [ 83.581383][ T4758] kobject_add_internal+0x598/0xb14 [ 83.582837][ T4758] kobject_init_and_add+0x130/0x1a0 [ 83.584201][ T4758] gfs2_sys_fs_add+0x1f8/0x3f4 [ 83.585500][ T4758] gfs2_fill_super+0xe18/0x1fdc [ 83.586848][ T4758] get_tree_bdev+0x360/0x54c [ 83.588099][ T4758] gfs2_get_tree+0x54/0x1b4 [ 83.589293][ T4758] vfs_get_tree+0x90/0x274 [ 83.590523][ T4758] do_new_mount+0x278/0x8fc [ 83.591756][ T4758] path_mount+0x590/0xe5c [ 83.592878][ T4758] __arm64_sys_mount+0x498/0x588 [ 83.594210][ T4758] invoke_syscall+0x98/0x2bc [ 83.595459][ T4758] el0_svc_common+0x138/0x258 [ 83.596740][ T4758] do_el0_svc+0x58/0x13c [ 83.597859][ T4758] el0_svc+0x58/0x168 [ 83.598969][ T4758] el0t_64_sync_handler+0x84/0xf0 [ 83.600328][ T4758] el0t_64_sync+0x18c/0x190 [ 83.653305][ T4755] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.657073][ T4755] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.660100][ T4758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.664514][ T4758] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.910102][ T4761] loop4: detected capacity change from 0 to 32768 [ 83.922885][ T4761] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 83.925109][ T4761] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 83.958504][ T4761] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 83.972016][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 83.974111][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 84.042413][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 68ms [ 84.044606][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 84.046120][ T4761] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 84.069751][ T4761] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 84.074569][ T4761] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 84.074569][ T4761] inode = 12 2341 [ 84.074569][ T4761] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 84.099938][ T4761] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 84.110066][ T4761] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4761 [syz.4.92] __gfs2_lookup+0xb0/0x28c [ 84.112702][ T4761] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 84.114952][ T4761] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 84.116854][ T4761] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 84.119228][ T4761] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 84.152752][ T4761] gfs2: fsid=syz:syz.0: File system withdrawn [ 84.154447][ T4761] CPU: 1 PID: 4761 Comm: syz.4.92 Not tainted 6.1.130-syzkaller #0 [ 84.156509][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 84.159157][ T4761] Call trace: [ 84.159991][ T4761] dump_backtrace+0x1c8/0x1f4 [ 84.161195][ T4761] show_stack+0x2c/0x3c [ 84.162283][ T4761] dump_stack_lvl+0x108/0x170 [ 84.163497][ T4761] dump_stack+0x1c/0x58 [ 84.164630][ T4761] gfs2_withdraw+0xdcc/0x140c [ 84.165857][ T4761] gfs2_consist_inode_i+0xf0/0x10c [ 84.167162][ T4761] gfs2_dirent_scan+0x458/0x584 [ 84.168535][ T4761] gfs2_dirent_search+0x28c/0x790 [ 84.169885][ T4761] gfs2_dir_search+0xb8/0x280 [ 84.171090][ T4761] gfs2_lookupi+0x3cc/0x5a0 [ 84.172253][ T4761] __gfs2_lookup+0xb0/0x28c [ 84.173445][ T4761] gfs2_lookup+0x2c/0x3c [ 84.174581][ T4761] __lookup_slow+0x250/0x374 [ 84.175761][ T4761] lookup_slow+0x60/0x84 [ 84.176849][ T4761] walk_component+0x280/0x36c [ 84.178082][ T4761] path_lookupat+0x13c/0x3d0 [ 84.179275][ T4761] filename_lookup+0x1d4/0x4e0 [ 84.180484][ T4761] user_path_at_empty+0x5c/0x84 [ 84.181759][ T4761] __arm64_sys_mount+0x460/0x588 [ 84.183095][ T4761] invoke_syscall+0x98/0x2bc [ 84.184295][ T4761] el0_svc_common+0x138/0x258 [ 84.185498][ T4761] do_el0_svc+0x58/0x13c [ 84.186572][ T4761] el0_svc+0x58/0x168 [ 84.187620][ T4761] el0t_64_sync_handler+0x84/0xf0 [ 84.188938][ T4761] el0t_64_sync+0x18c/0x190 [ 84.419282][ T4765] loop1: detected capacity change from 0 to 32768 [ 84.448679][ T4765] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 84.451083][ T4765] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 84.462040][ T4765] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 84.472339][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 84.474175][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 84.547925][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 73ms [ 84.550020][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 84.551425][ T4765] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 84.553820][ T4774] loop3: detected capacity change from 0 to 32768 [ 84.559569][ T4765] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 84.562215][ T4765] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 84.562215][ T4765] inode = 12 2341 [ 84.562215][ T4765] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 84.582381][ T4765] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 84.584885][ T4765] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4765 [syz.1.93] __gfs2_lookup+0xb0/0x28c [ 84.587424][ T4765] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 84.600408][ T4774] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.602531][ T4774] CPU: 1 PID: 4774 Comm: syz.3.96 Not tainted 6.1.130-syzkaller #0 [ 84.604680][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 84.606339][ T4765] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 84.607518][ T4774] Call trace: [ 84.607526][ T4774] dump_backtrace+0x1c8/0x1f4 [ 84.609484][ T4765] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 84.610340][ T4774] show_stack+0x2c/0x3c [ 84.610355][ T4774] dump_stack_lvl+0x108/0x170 [ 84.610369][ T4774] dump_stack+0x1c/0x58 [ 84.610382][ T4774] sysfs_create_dir_ns+0x278/0x318 [ 84.616472][ T4765] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 84.617472][ T4774] kobject_add_internal+0x598/0xb14 [ 84.618973][ T4765] gfs2: fsid=syz:syz.0: File system withdrawn [ 84.620585][ T4774] kobject_init_and_add+0x130/0x1a0 [ 84.625084][ T4774] gfs2_sys_fs_add+0x1f8/0x3f4 [ 84.626407][ T4774] gfs2_fill_super+0xe18/0x1fdc [ 84.627685][ T4774] get_tree_bdev+0x360/0x54c [ 84.628895][ T4774] gfs2_get_tree+0x54/0x1b4 [ 84.630124][ T4774] vfs_get_tree+0x90/0x274 [ 84.631288][ T4774] do_new_mount+0x278/0x8fc [ 84.632524][ T4774] path_mount+0x590/0xe5c [ 84.633697][ T4774] __arm64_sys_mount+0x498/0x588 [ 84.635073][ T4774] invoke_syscall+0x98/0x2bc [ 84.636416][ T4774] el0_svc_common+0x138/0x258 [ 84.637665][ T4774] do_el0_svc+0x58/0x13c [ 84.638860][ T4774] el0_svc+0x58/0x168 [ 84.640012][ T4774] el0t_64_sync_handler+0x84/0xf0 [ 84.641349][ T4774] el0t_64_sync+0x18c/0x190 [ 84.642549][ T4765] CPU: 0 PID: 4765 Comm: syz.1.93 Not tainted 6.1.130-syzkaller #0 [ 84.644776][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 84.647526][ T4765] Call trace: [ 84.648405][ T4765] dump_backtrace+0x1c8/0x1f4 [ 84.649637][ T4765] show_stack+0x2c/0x3c [ 84.650760][ T4765] dump_stack_lvl+0x108/0x170 [ 84.652026][ T4765] dump_stack+0x1c/0x58 [ 84.653167][ T4765] gfs2_withdraw+0xdcc/0x140c [ 84.654405][ T4765] gfs2_consist_inode_i+0xf0/0x10c [ 84.655800][ T4765] gfs2_dirent_scan+0x458/0x584 [ 84.657146][ T4765] gfs2_dirent_search+0x28c/0x790 [ 84.658539][ T4765] gfs2_dir_search+0xb8/0x280 [ 84.659885][ T4765] gfs2_lookupi+0x3cc/0x5a0 [ 84.661152][ T4765] __gfs2_lookup+0xb0/0x28c [ 84.662395][ T4765] gfs2_lookup+0x2c/0x3c [ 84.663536][ T4765] __lookup_slow+0x250/0x374 [ 84.664776][ T4765] lookup_slow+0x60/0x84 [ 84.665890][ T4765] walk_component+0x280/0x36c [ 84.667146][ T4765] path_lookupat+0x13c/0x3d0 [ 84.668352][ T4765] filename_lookup+0x1d4/0x4e0 [ 84.669620][ T4765] user_path_at_empty+0x5c/0x84 [ 84.671029][ T4765] __arm64_sys_mount+0x460/0x588 [ 84.672362][ T4765] invoke_syscall+0x98/0x2bc [ 84.673639][ T4765] el0_svc_common+0x138/0x258 [ 84.674894][ T4765] do_el0_svc+0x58/0x13c [ 84.676024][ T4765] el0_svc+0x58/0x168 [ 84.677079][ T4765] el0t_64_sync_handler+0x84/0xf0 [ 84.678388][ T4765] el0t_64_sync+0x18c/0x190 [ 84.680019][ T4772] loop2: detected capacity change from 0 to 32768 [ 84.685766][ T4772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.687760][ T4772] CPU: 0 PID: 4772 Comm: syz.2.95 Not tainted 6.1.130-syzkaller #0 [ 84.689866][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 84.692600][ T4772] Call trace: [ 84.693479][ T4772] dump_backtrace+0x1c8/0x1f4 [ 84.694851][ T4772] show_stack+0x2c/0x3c [ 84.696015][ T4772] dump_stack_lvl+0x108/0x170 [ 84.697252][ T4772] dump_stack+0x1c/0x58 [ 84.698345][ T4772] sysfs_create_dir_ns+0x278/0x318 [ 84.699753][ T4772] kobject_add_internal+0x598/0xb14 [ 84.701218][ T4772] kobject_init_and_add+0x130/0x1a0 [ 84.702661][ T4772] gfs2_sys_fs_add+0x1f8/0x3f4 [ 84.703987][ T4772] gfs2_fill_super+0xe18/0x1fdc [ 84.705310][ T4772] get_tree_bdev+0x360/0x54c [ 84.706548][ T4772] gfs2_get_tree+0x54/0x1b4 [ 84.707709][ T4772] vfs_get_tree+0x90/0x274 [ 84.708877][ T4772] do_new_mount+0x278/0x8fc [ 84.710091][ T4772] path_mount+0x590/0xe5c [ 84.711222][ T4772] __arm64_sys_mount+0x498/0x588 [ 84.712509][ T4772] invoke_syscall+0x98/0x2bc [ 84.713800][ T4772] el0_svc_common+0x138/0x258 [ 84.715150][ T4772] do_el0_svc+0x58/0x13c [ 84.716300][ T4772] el0_svc+0x58/0x168 [ 84.717355][ T4772] el0t_64_sync_handler+0x84/0xf0 [ 84.718711][ T4772] el0t_64_sync+0x18c/0x190 [ 84.775089][ T4774] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.778615][ T4774] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.781610][ T4772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.797237][ T4772] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:24 executed programs: 92 [ 84.897348][ T4776] loop0: detected capacity change from 0 to 32768 [ 84.908420][ T4776] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 84.921154][ T4776] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 84.950978][ T4776] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 84.989252][ T4455] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 84.991132][ T4455] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 85.073073][ T4455] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 81ms [ 85.075344][ T4455] gfs2: fsid=syz:syz.0: jid=0: Done [ 85.076733][ T4776] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 85.089160][ T4776] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 85.091855][ T4776] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 85.091855][ T4776] inode = 12 2341 [ 85.091855][ T4776] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 85.132490][ T4776] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 85.134948][ T4776] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4776 [syz.0.94] __gfs2_lookup+0xb0/0x28c [ 85.137429][ T4776] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 85.140177][ T4776] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 85.142187][ T4776] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 85.144513][ T4776] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 85.146287][ T4776] gfs2: fsid=syz:syz.0: File system withdrawn [ 85.147982][ T4776] CPU: 1 PID: 4776 Comm: syz.0.94 Not tainted 6.1.130-syzkaller #0 [ 85.150116][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 85.152925][ T4776] Call trace: [ 85.153776][ T4776] dump_backtrace+0x1c8/0x1f4 [ 85.154953][ T4776] show_stack+0x2c/0x3c [ 85.156060][ T4776] dump_stack_lvl+0x108/0x170 [ 85.157364][ T4776] dump_stack+0x1c/0x58 [ 85.158502][ T4776] gfs2_withdraw+0xdcc/0x140c [ 85.159738][ T4776] gfs2_consist_inode_i+0xf0/0x10c [ 85.161056][ T4776] gfs2_dirent_scan+0x458/0x584 [ 85.162379][ T4776] gfs2_dirent_search+0x28c/0x790 [ 85.163723][ T4776] gfs2_dir_search+0xb8/0x280 [ 85.164929][ T4776] gfs2_lookupi+0x3cc/0x5a0 [ 85.166119][ T4776] __gfs2_lookup+0xb0/0x28c [ 85.167360][ T4776] gfs2_lookup+0x2c/0x3c [ 85.168461][ T4776] __lookup_slow+0x250/0x374 [ 85.169736][ T4776] lookup_slow+0x60/0x84 [ 85.170863][ T4776] walk_component+0x280/0x36c [ 85.172105][ T4776] path_lookupat+0x13c/0x3d0 [ 85.173342][ T4776] filename_lookup+0x1d4/0x4e0 [ 85.174636][ T4776] user_path_at_empty+0x5c/0x84 [ 85.175966][ T4776] __arm64_sys_mount+0x460/0x588 [ 85.177305][ T4776] invoke_syscall+0x98/0x2bc [ 85.178514][ T4776] el0_svc_common+0x138/0x258 [ 85.179791][ T4776] do_el0_svc+0x58/0x13c [ 85.180968][ T4776] el0_svc+0x58/0x168 [ 85.182026][ T4776] el0t_64_sync_handler+0x84/0xf0 [ 85.183336][ T4776] el0t_64_sync+0x18c/0x190 [ 85.335902][ T4779] loop4: detected capacity change from 0 to 32768 [ 85.354819][ T4779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.356811][ T4779] CPU: 1 PID: 4779 Comm: syz.4.97 Not tainted 6.1.130-syzkaller #0 [ 85.358832][ T4779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 85.361588][ T4779] Call trace: [ 85.362451][ T4779] dump_backtrace+0x1c8/0x1f4 [ 85.363691][ T4779] show_stack+0x2c/0x3c [ 85.364902][ T4779] dump_stack_lvl+0x108/0x170 [ 85.366137][ T4779] dump_stack+0x1c/0x58 [ 85.367264][ T4779] sysfs_create_dir_ns+0x278/0x318 [ 85.368661][ T4779] kobject_add_internal+0x598/0xb14 [ 85.370024][ T4779] kobject_init_and_add+0x130/0x1a0 [ 85.371446][ T4779] gfs2_sys_fs_add+0x1f8/0x3f4 [ 85.372763][ T4779] gfs2_fill_super+0xe18/0x1fdc [ 85.374027][ T4779] get_tree_bdev+0x360/0x54c [ 85.375307][ T4779] gfs2_get_tree+0x54/0x1b4 [ 85.376484][ T4779] vfs_get_tree+0x90/0x274 [ 85.377643][ T4779] do_new_mount+0x278/0x8fc [ 85.378841][ T4779] path_mount+0x590/0xe5c [ 85.379996][ T4779] __arm64_sys_mount+0x498/0x588 [ 85.381314][ T4779] invoke_syscall+0x98/0x2bc [ 85.382499][ T4779] el0_svc_common+0x138/0x258 [ 85.383738][ T4779] do_el0_svc+0x58/0x13c [ 85.384948][ T4779] el0_svc+0x58/0x168 [ 85.386027][ T4779] el0t_64_sync_handler+0x84/0xf0 [ 85.387382][ T4779] el0t_64_sync+0x18c/0x190 [ 85.439811][ T4779] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.459769][ T4779] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.663089][ T4785] loop3: detected capacity change from 0 to 32768 [ 85.673050][ T4785] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 85.675455][ T4785] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 85.695572][ T4785] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 85.717095][ T4384] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 85.719026][ T4384] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 85.801818][ T4384] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 82ms [ 85.809134][ T4384] gfs2: fsid=syz:syz.0: jid=0: Done [ 85.820068][ T4785] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 85.828613][ T4785] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 85.831215][ T4785] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 85.831215][ T4785] inode = 12 2341 [ 85.831215][ T4785] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 85.842210][ T4785] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 85.844680][ T4785] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4785 [syz.3.99] __gfs2_lookup+0xb0/0x28c [ 85.847231][ T4785] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 85.849391][ T4785] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 85.851289][ T4785] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 85.868834][ T4787] loop2: detected capacity change from 0 to 32768 [ 85.882215][ T4787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.884212][ T4787] CPU: 0 PID: 4787 Comm: syz.2.100 Not tainted 6.1.130-syzkaller #0 [ 85.886267][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 85.888888][ T4787] Call trace: [ 85.889730][ T4787] dump_backtrace+0x1c8/0x1f4 [ 85.890927][ T4787] show_stack+0x2c/0x3c [ 85.892072][ T4787] dump_stack_lvl+0x108/0x170 [ 85.893339][ T4787] dump_stack+0x1c/0x58 [ 85.894467][ T4787] sysfs_create_dir_ns+0x278/0x318 [ 85.895873][ T4787] kobject_add_internal+0x598/0xb14 [ 85.897246][ T4787] kobject_init_and_add+0x130/0x1a0 [ 85.898630][ T4787] gfs2_sys_fs_add+0x1f8/0x3f4 [ 85.899941][ T4787] gfs2_fill_super+0xe18/0x1fdc [ 85.901162][ T4787] get_tree_bdev+0x360/0x54c [ 85.902345][ T4787] gfs2_get_tree+0x54/0x1b4 [ 85.903479][ T4787] vfs_get_tree+0x90/0x274 [ 85.904691][ T4787] do_new_mount+0x278/0x8fc [ 85.905960][ T4787] path_mount+0x590/0xe5c [ 85.907070][ T4787] __arm64_sys_mount+0x498/0x588 [ 85.908324][ T4787] invoke_syscall+0x98/0x2bc [ 85.909500][ T4787] el0_svc_common+0x138/0x258 [ 85.910734][ T4787] do_el0_svc+0x58/0x13c [ 85.911856][ T4787] el0_svc+0x58/0x168 [ 85.912909][ T4787] el0t_64_sync_handler+0x84/0xf0 [ 85.914223][ T4787] el0t_64_sync+0x18c/0x190 [ 85.921193][ T4785] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 85.923758][ T4785] gfs2: fsid=syz:syz.0: File system withdrawn [ 85.925369][ T4785] CPU: 0 PID: 4785 Comm: syz.3.99 Not tainted 6.1.130-syzkaller #0 [ 85.927560][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 85.930281][ T4785] Call trace: [ 85.931194][ T4785] dump_backtrace+0x1c8/0x1f4 [ 85.932454][ T4785] show_stack+0x2c/0x3c [ 85.933586][ T4785] dump_stack_lvl+0x108/0x170 [ 85.934843][ T4785] dump_stack+0x1c/0x58 [ 85.935916][ T4785] gfs2_withdraw+0xdcc/0x140c [ 85.937175][ T4785] gfs2_consist_inode_i+0xf0/0x10c [ 85.938480][ T4785] gfs2_dirent_scan+0x458/0x584 [ 85.939735][ T4785] gfs2_dirent_search+0x28c/0x790 [ 85.941106][ T4785] gfs2_dir_search+0xb8/0x280 [ 85.942337][ T4785] gfs2_lookupi+0x3cc/0x5a0 [ 85.943514][ T4785] __gfs2_lookup+0xb0/0x28c [ 85.944697][ T4785] gfs2_lookup+0x2c/0x3c [ 85.945853][ T4785] __lookup_slow+0x250/0x374 [ 85.947090][ T4785] lookup_slow+0x60/0x84 [ 85.948194][ T4785] walk_component+0x280/0x36c [ 85.949466][ T4785] path_lookupat+0x13c/0x3d0 [ 85.950667][ T4785] filename_lookup+0x1d4/0x4e0 [ 85.951979][ T4785] user_path_at_empty+0x5c/0x84 [ 85.953264][ T4785] __arm64_sys_mount+0x460/0x588 [ 85.954560][ T4785] invoke_syscall+0x98/0x2bc [ 85.955796][ T4785] el0_svc_common+0x138/0x258 [ 85.957030][ T4785] do_el0_svc+0x58/0x13c [ 85.958143][ T4785] el0_svc+0x58/0x168 [ 85.959211][ T4785] el0t_64_sync_handler+0x84/0xf0 [ 85.960575][ T4785] el0t_64_sync+0x18c/0x190 [ 86.002150][ T4787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.005684][ T4787] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.099456][ T4789] loop1: detected capacity change from 0 to 32768 [ 86.162878][ T4789] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 86.165142][ T4789] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 86.204219][ T4789] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 86.210466][ T4455] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 86.212437][ T4455] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 86.275879][ T4455] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 63ms [ 86.292380][ T4455] gfs2: fsid=syz:syz.0: jid=0: Done [ 86.293930][ T4789] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 86.308730][ T4789] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 86.311308][ T4789] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 86.311308][ T4789] inode = 12 2341 [ 86.311308][ T4789] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 86.328724][ T4789] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 86.331176][ T4789] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4789 [syz.1.98] __gfs2_lookup+0xb0/0x28c [ 86.331700][ T4795] loop4: detected capacity change from 0 to 32768 [ 86.352358][ T4789] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 86.354617][ T4789] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 86.356433][ T4789] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 86.359066][ T4789] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 86.367981][ T4789] gfs2: fsid=syz:syz.0: File system withdrawn [ 86.369789][ T4789] CPU: 0 PID: 4789 Comm: syz.1.98 Not tainted 6.1.130-syzkaller #0 [ 86.371807][ T4789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 86.374583][ T4789] Call trace: [ 86.375491][ T4789] dump_backtrace+0x1c8/0x1f4 [ 86.376794][ T4789] show_stack+0x2c/0x3c [ 86.377918][ T4789] dump_stack_lvl+0x108/0x170 [ 86.379166][ T4789] dump_stack+0x1c/0x58 [ 86.380334][ T4789] gfs2_withdraw+0xdcc/0x140c [ 86.381596][ T4789] gfs2_consist_inode_i+0xf0/0x10c [ 86.383060][ T4789] gfs2_dirent_scan+0x458/0x584 [ 86.384433][ T4789] gfs2_dirent_search+0x28c/0x790 [ 86.385797][ T4789] gfs2_dir_search+0xb8/0x280 [ 86.387166][ T4789] gfs2_lookupi+0x3cc/0x5a0 [ 86.388479][ T4789] __gfs2_lookup+0xb0/0x28c [ 86.389680][ T4789] gfs2_lookup+0x2c/0x3c [ 86.390855][ T4789] __lookup_slow+0x250/0x374 [ 86.392152][ T4789] lookup_slow+0x60/0x84 [ 86.393314][ T4789] walk_component+0x280/0x36c [ 86.394593][ T4789] path_lookupat+0x13c/0x3d0 [ 86.395861][ T4789] filename_lookup+0x1d4/0x4e0 [ 86.397224][ T4789] user_path_at_empty+0x5c/0x84 [ 86.398580][ T4789] __arm64_sys_mount+0x460/0x588 [ 86.400056][ T4789] invoke_syscall+0x98/0x2bc [ 86.401261][ T4789] el0_svc_common+0x138/0x258 [ 86.402522][ T4789] do_el0_svc+0x58/0x13c [ 86.403669][ T4789] el0_svc+0x58/0x168 [ 86.404727][ T4789] el0t_64_sync_handler+0x84/0xf0 [ 86.406062][ T4789] el0t_64_sync+0x18c/0x190 [ 86.407757][ T4795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.409765][ T4795] CPU: 0 PID: 4795 Comm: syz.4.102 Not tainted 6.1.130-syzkaller #0 [ 86.411877][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 86.414554][ T4795] Call trace: [ 86.415412][ T4795] dump_backtrace+0x1c8/0x1f4 [ 86.416663][ T4795] show_stack+0x2c/0x3c [ 86.417830][ T4795] dump_stack_lvl+0x108/0x170 [ 86.419050][ T4795] dump_stack+0x1c/0x58 [ 86.420168][ T4795] sysfs_create_dir_ns+0x278/0x318 [ 86.421568][ T4795] kobject_add_internal+0x598/0xb14 [ 86.423118][ T4795] kobject_init_and_add+0x130/0x1a0 [ 86.424517][ T4795] gfs2_sys_fs_add+0x1f8/0x3f4 [ 86.425808][ T4795] gfs2_fill_super+0xe18/0x1fdc [ 86.427171][ T4795] get_tree_bdev+0x360/0x54c [ 86.428424][ T4795] gfs2_get_tree+0x54/0x1b4 [ 86.429596][ T4795] vfs_get_tree+0x90/0x274 [ 86.430852][ T4795] do_new_mount+0x278/0x8fc [ 86.432093][ T4795] path_mount+0x590/0xe5c [ 86.433306][ T4795] __arm64_sys_mount+0x498/0x588 [ 86.434631][ T4795] invoke_syscall+0x98/0x2bc [ 86.435944][ T4795] el0_svc_common+0x138/0x258 [ 86.437253][ T4795] do_el0_svc+0x58/0x13c [ 86.438410][ T4795] el0_svc+0x58/0x168 [ 86.439502][ T4795] el0t_64_sync_handler+0x84/0xf0 [ 86.440910][ T4795] el0t_64_sync+0x18c/0x190 [ 86.447802][ T4795] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.451303][ T4795] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.610138][ T4796] loop0: detected capacity change from 0 to 32768 [ 86.650322][ T4796] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 86.662378][ T4796] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 86.690875][ T4796] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 86.694355][ T4455] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 86.696266][ T4455] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 86.768789][ T4455] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 72ms [ 86.774532][ T4455] gfs2: fsid=syz:syz.0: jid=0: Done [ 86.776008][ T4796] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 86.781381][ T4796] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 86.791277][ T4796] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 86.791277][ T4796] inode = 12 2341 [ 86.791277][ T4796] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 86.802489][ T4796] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 86.804915][ T4796] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4796 [syz.0.101] __gfs2_lookup+0xb0/0x28c [ 86.807441][ T4796] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 86.830239][ T4796] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 86.833771][ T4796] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 86.836117][ T4796] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 86.837953][ T4796] gfs2: fsid=syz:syz.0: File system withdrawn [ 86.839533][ T4796] CPU: 1 PID: 4796 Comm: syz.0.101 Not tainted 6.1.130-syzkaller #0 [ 86.841708][ T4796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 86.844483][ T4796] Call trace: [ 86.845368][ T4796] dump_backtrace+0x1c8/0x1f4 [ 86.846705][ T4796] show_stack+0x2c/0x3c [ 86.847863][ T4796] dump_stack_lvl+0x108/0x170 [ 86.849185][ T4796] dump_stack+0x1c/0x58 [ 86.850307][ T4796] gfs2_withdraw+0xdcc/0x140c [ 86.851595][ T4796] gfs2_consist_inode_i+0xf0/0x10c [ 86.853048][ T4796] gfs2_dirent_scan+0x458/0x584 [ 86.854356][ T4796] gfs2_dirent_search+0x28c/0x790 [ 86.855722][ T4796] gfs2_dir_search+0xb8/0x280 [ 86.856976][ T4796] gfs2_lookupi+0x3cc/0x5a0 [ 86.858196][ T4796] __gfs2_lookup+0xb0/0x28c [ 86.859399][ T4796] gfs2_lookup+0x2c/0x3c [ 86.860570][ T4796] __lookup_slow+0x250/0x374 [ 86.861851][ T4796] lookup_slow+0x60/0x84 [ 86.862994][ T4796] walk_component+0x280/0x36c [ 86.864227][ T4796] path_lookupat+0x13c/0x3d0 [ 86.865443][ T4796] filename_lookup+0x1d4/0x4e0 [ 86.866742][ T4796] user_path_at_empty+0x5c/0x84 [ 86.868014][ T4796] __arm64_sys_mount+0x460/0x588 [ 86.869357][ T4796] invoke_syscall+0x98/0x2bc [ 86.870616][ T4796] el0_svc_common+0x138/0x258 [ 86.871918][ T4796] do_el0_svc+0x58/0x13c [ 86.873103][ T4796] el0_svc+0x58/0x168 [ 86.874174][ T4796] el0t_64_sync_handler+0x84/0xf0 [ 86.875558][ T4796] el0t_64_sync+0x18c/0x190 [ 87.194412][ T4801] loop3: detected capacity change from 0 to 32768 [ 87.211202][ T4801] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 87.217252][ T4801] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 87.263993][ T4801] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 87.267115][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 87.268934][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 87.332860][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 63ms [ 87.335049][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 87.336452][ T4801] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 87.350699][ T4801] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 87.354445][ T4801] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 87.354445][ T4801] inode = 12 2341 [ 87.354445][ T4801] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 87.359320][ T4801] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 87.362029][ T4804] loop2: detected capacity change from 0 to 32768 [ 87.379385][ T4804] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.381380][ T4804] CPU: 0 PID: 4804 Comm: syz.2.104 Not tainted 6.1.130-syzkaller #0 [ 87.383520][ T4804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 87.386274][ T4804] Call trace: [ 87.387183][ T4804] dump_backtrace+0x1c8/0x1f4 [ 87.388550][ T4804] show_stack+0x2c/0x3c [ 87.389688][ T4804] dump_stack_lvl+0x108/0x170 [ 87.391071][ T4804] dump_stack+0x1c/0x58 [ 87.392210][ T4804] sysfs_create_dir_ns+0x278/0x318 [ 87.392210][ T4801] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4801 [syz.3.103] __gfs2_lookup+0xb0/0x28c [ 87.393612][ T4804] kobject_add_internal+0x598/0xb14 [ 87.397595][ T4804] kobject_init_and_add+0x130/0x1a0 [ 87.399075][ T4804] gfs2_sys_fs_add+0x1f8/0x3f4 [ 87.400430][ T4804] gfs2_fill_super+0xe18/0x1fdc [ 87.401752][ T4804] get_tree_bdev+0x360/0x54c [ 87.403026][ T4804] gfs2_get_tree+0x54/0x1b4 [ 87.404210][ T4804] vfs_get_tree+0x90/0x274 [ 87.405400][ T4804] do_new_mount+0x278/0x8fc [ 87.406600][ T4804] path_mount+0x590/0xe5c [ 87.407777][ T4804] __arm64_sys_mount+0x498/0x588 [ 87.409223][ T4804] invoke_syscall+0x98/0x2bc [ 87.410390][ T4801] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 87.410507][ T4804] el0_svc_common+0x138/0x258 [ 87.414083][ T4804] do_el0_svc+0x58/0x13c [ 87.415212][ T4804] el0_svc+0x58/0x168 [ 87.416290][ T4804] el0t_64_sync_handler+0x84/0xf0 [ 87.417683][ T4804] el0t_64_sync+0x18c/0x190 [ 87.432299][ T4813] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 87.434866][ T4813] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 87.434866][ T4813] inode = 12 2341 [ 87.434866][ T4813] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 87.458077][ T4801] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 87.460074][ T4801] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 87.480015][ T4807] loop4: detected capacity change from 0 to 32768 [ 87.482452][ T4801] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 87.484491][ T4801] gfs2: fsid=syz:syz.0: File system withdrawn [ 87.486179][ T4813] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 87.492390][ T4801] CPU: 1 PID: 4801 Comm: syz.3.103 Not tainted 6.1.130-syzkaller #0 [ 87.494594][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 87.497281][ T4801] Call trace: [ 87.498190][ T4801] dump_backtrace+0x1c8/0x1f4 [ 87.499436][ T4801] show_stack+0x2c/0x3c [ 87.500611][ T4801] dump_stack_lvl+0x108/0x170 [ 87.501909][ T4801] dump_stack+0x1c/0x58 [ 87.503070][ T4801] gfs2_withdraw+0xdcc/0x140c [ 87.504340][ T4801] gfs2_consist_inode_i+0xf0/0x10c [ 87.505700][ T4801] gfs2_dirent_scan+0x458/0x584 [ 87.506647][ T4807] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.507021][ T4801] gfs2_dirent_search+0x28c/0x790 [ 87.510271][ T4801] gfs2_dir_search+0xb8/0x280 [ 87.511517][ T4801] gfs2_lookupi+0x3cc/0x5a0 [ 87.512751][ T4801] __gfs2_lookup+0xb0/0x28c [ 87.513998][ T4801] gfs2_lookup+0x2c/0x3c [ 87.515134][ T4801] __lookup_slow+0x250/0x374 [ 87.516408][ T4801] lookup_slow+0x60/0x84 [ 87.517538][ T4801] walk_component+0x280/0x36c [ 87.518856][ T4801] path_lookupat+0x13c/0x3d0 [ 87.520112][ T4801] filename_lookup+0x1d4/0x4e0 [ 87.521378][ T4801] user_path_at_empty+0x5c/0x84 [ 87.522749][ T4801] __arm64_sys_mount+0x460/0x588 [ 87.524050][ T4801] invoke_syscall+0x98/0x2bc [ 87.525277][ T4801] el0_svc_common+0x138/0x258 [ 87.526570][ T4801] do_el0_svc+0x58/0x13c [ 87.527734][ T4801] el0_svc+0x58/0x168 [ 87.528842][ T4801] el0t_64_sync_handler+0x84/0xf0 [ 87.530141][ T4801] el0t_64_sync+0x18c/0x190 [ 87.536049][ T4807] CPU: 0 PID: 4807 Comm: syz.4.106 Not tainted 6.1.130-syzkaller #0 [ 87.538232][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 87.540883][ T4807] Call trace: [ 87.541704][ T4807] dump_backtrace+0x1c8/0x1f4 [ 87.542984][ T4807] show_stack+0x2c/0x3c [ 87.544161][ T4807] dump_stack_lvl+0x108/0x170 [ 87.545440][ T4807] dump_stack+0x1c/0x58 [ 87.546589][ T4807] sysfs_create_dir_ns+0x278/0x318 [ 87.548190][ T4807] kobject_add_internal+0x598/0xb14 [ 87.549660][ T4807] kobject_init_and_add+0x130/0x1a0 [ 87.551090][ T4807] gfs2_sys_fs_add+0x1f8/0x3f4 [ 87.552378][ T4807] gfs2_fill_super+0xe18/0x1fdc [ 87.553635][ T4807] get_tree_bdev+0x360/0x54c [ 87.554904][ T4807] gfs2_get_tree+0x54/0x1b4 [ 87.556108][ T4807] vfs_get_tree+0x90/0x274 [ 87.557279][ T4807] do_new_mount+0x278/0x8fc [ 87.558527][ T4807] path_mount+0x590/0xe5c [ 87.559697][ T4807] __arm64_sys_mount+0x498/0x588 [ 87.560974][ T4807] invoke_syscall+0x98/0x2bc [ 87.562167][ T4807] el0_svc_common+0x138/0x258 [ 87.563451][ T4807] do_el0_svc+0x58/0x13c [ 87.564650][ T4807] el0_svc+0x58/0x168 [ 87.565752][ T4807] el0t_64_sync_handler+0x84/0xf0 [ 87.567117][ T4807] el0t_64_sync+0x18c/0x190 [ 87.570873][ T4804] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.579740][ T4804] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.583055][ T4807] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.586510][ T4807] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.588229][ T4809] loop1: detected capacity change from 0 to 32768 [ 87.589479][ T4813] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4801 [syz.3.103] __gfs2_lookup+0xb0/0x28c [ 87.602441][ T4809] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.604461][ T4809] CPU: 1 PID: 4809 Comm: syz.1.105 Not tainted 6.1.130-syzkaller #0 [ 87.606498][ T4809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 87.609101][ T4809] Call trace: [ 87.609979][ T4809] dump_backtrace+0x1c8/0x1f4 [ 87.611260][ T4809] show_stack+0x2c/0x3c [ 87.612397][ T4809] dump_stack_lvl+0x108/0x170 [ 87.613629][ T4809] dump_stack+0x1c/0x58 [ 87.614775][ T4809] sysfs_create_dir_ns+0x278/0x318 [ 87.616297][ T4809] kobject_add_internal+0x598/0xb14 [ 87.617663][ T4809] kobject_init_and_add+0x130/0x1a0 [ 87.619088][ T4809] gfs2_sys_fs_add+0x1f8/0x3f4 [ 87.620364][ T4809] gfs2_fill_super+0xe18/0x1fdc [ 87.621616][ T4809] get_tree_bdev+0x360/0x54c [ 87.622822][ T4809] gfs2_get_tree+0x54/0x1b4 [ 87.624068][ T4809] vfs_get_tree+0x90/0x274 [ 87.624312][ T4813] gfs2: fsid=syz:syz.0: H: s:?? f:aEWs e:-65536 p:0 [(none)] 0xffff0001b3cd6b78 [ 87.625204][ T4809] do_new_mount+0x278/0x8fc [ 87.627649][ T4813] Unable to handle kernel paging request at virtual address e3ff7c00034e80da [ 87.628816][ T4809] path_mount+0x590/0xe5c [ 87.631110][ T4813] KASAN: maybe wild-memory-access in range [0x1fffe0001a7406d0-0x1fffe0001a7406d7] [ 87.632239][ T4809] __arm64_sys_mount+0x498/0x588 [ 87.634773][ T4813] Mem abort info: [ 87.636103][ T4809] invoke_syscall+0x98/0x2bc [ 87.637062][ T4813] ESR = 0x0000000096000004 [ 87.638335][ T4809] el0_svc_common+0x138/0x258 [ 87.639572][ T4813] EC = 0x25: DABT (current EL), IL = 32 bits [ 87.640803][ T4809] do_el0_svc+0x58/0x13c [ 87.642448][ T4813] SET = 0, FnV = 0 [ 87.643595][ T4809] el0_svc+0x58/0x168 [ 87.644630][ T4813] EA = 0, S1PTW = 0 [ 87.645643][ T4809] el0t_64_sync_handler+0x84/0xf0 [ 87.646708][ T4813] FSC = 0x04: level 0 translation fault [ 87.648073][ T4809] el0t_64_sync+0x18c/0x190 [ 87.649579][ T4813] Data abort info: [ 87.651791][ T4813] ISV = 0, ISS = 0x00000004 [ 87.653071][ T4813] CM = 0, WnR = 0 [ 87.654147][ T4813] [e3ff7c00034e80da] address between user and kernel address ranges [ 87.656410][ T4813] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 87.658469][ T4813] Modules linked in: [ 87.659579][ T4813] CPU: 0 PID: 4813 Comm: syz.3.103 Not tainted 6.1.130-syzkaller #0 [ 87.661758][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 87.664481][ T4813] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 87.666615][ T4813] pc : string+0x16c/0x264 [ 87.667838][ T4813] lr : string+0x14c/0x264 [ 87.669021][ T4813] sp : ffff800022aa6880 [ 87.670167][ T4813] x29: ffff800022aa6880 x28: ffff8000128c2ffe x27: fffffffffffffffe [ 87.672373][ T4813] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000 [ 87.674620][ T4813] x23: 1fffe0001a7406d5 x22: ffffffffffffffff x21: ffff0a00ffffff04 [ 87.676845][ T4813] x20: ffff800022aa6dd0 x19: ffff800022aa6d98 x18: ffff800022aa6620 [ 87.678995][ T4813] x17: 66667830205d2965 x16: ffff8000084f4078 x15: 0000000000000000 [ 87.681156][ T4813] x14: 0000000000000012 x13: ffff0000d1099bc0 x12: 0000000000ff0100 [ 87.683309][ T4813] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0000000000000005 [ 87.685510][ T4813] x8 : 03fffc00034e80da x7 : 0000000000000000 x6 : ffff800022aa7480 [ 87.687661][ T4813] x5 : ffff800022aa6aa0 x4 : 0000000000000000 x3 : ffff0a00ffffff04 [ 87.689808][ T4813] x2 : 1fffe0001a7406d5 x1 : 00000000ffffffff x0 : 1fffe0001a7406d5 [ 87.691975][ T4813] Call trace: [ 87.692852][ T4813] string+0x16c/0x264 [ 87.693923][ T4813] vsnprintf+0xe9c/0x1a8c [ 87.695087][ T4813] pointer+0x7b0/0xdc8 [ 87.696187][ T4813] vsnprintf+0xef8/0x1a8c [ 87.697351][ T4813] vprintk_store+0x3ec/0xea8 [ 87.698634][ T4813] vprintk_emit+0x110/0x2e8 [ 87.699936][ T4813] vprintk_default+0xa0/0xe4 [ 87.701226][ T4813] vprintk+0x200/0x2d4 [ 87.701771][ T4809] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.702326][ T4813] _printk+0xdc/0x128 [ 87.702340][ T4813] gfs2_print_dbg+0x198/0x1a0 [ 87.702353][ T4813] gfs2_dump_glock+0xf3c/0x1558 [ 87.702363][ T4813] gfs2_consist_inode_i+0xe8/0x10c [ 87.702375][ T4813] gfs2_dirent_scan+0x458/0x584 [ 87.702389][ T4813] gfs2_dir_read+0x6b4/0x1624 [ 87.702402][ T4813] gfs2_readdir+0x164/0x1c4 [ 87.709398][ T4809] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.709693][ T4813] iterate_dir+0x1f4/0x4ec [ 87.716264][ T4812] loop0: detected capacity change from 0 to 32768 [ 87.716705][ T4813] __arm64_sys_getdents64+0x1c4/0x4a0 [ 87.720897][ T4812] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.720966][ T4813] invoke_syscall+0x98/0x2bc [ 87.723547][ T4812] CPU: 1 PID: 4812 Comm: syz.0.107 Not tainted 6.1.130-syzkaller #0 [ 87.724302][ T4813] el0_svc_common+0x138/0x258 [ 87.726478][ T4812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 87.727757][ T4813] do_el0_svc+0x58/0x13c [ 87.730367][ T4812] Call trace: [ 87.731500][ T4813] el0_svc+0x58/0x168 [ 87.732373][ T4812] dump_backtrace+0x1c8/0x1f4 [ 87.733389][ T4813] el0t_64_sync_handler+0x84/0xf0 [ 87.734681][ T4812] show_stack+0x2c/0x3c [ 87.736048][ T4813] el0t_64_sync+0x18c/0x190 [ 87.737246][ T4812] dump_stack_lvl+0x108/0x170 [ 87.738538][ T4813] Code: d10006db 8b1902e0 d343fc08 12000809 (38fa6908) [ 87.739786][ T4812] dump_stack+0x1c/0x58 [ 87.741704][ T4813] ---[ end trace 0000000000000000 ]--- [ 87.742793][ T4812] sysfs_create_dir_ns+0x278/0x318 [ 87.745866][ T4812] kobject_add_internal+0x598/0xb14 [ 87.747271][ T4812] kobject_init_and_add+0x130/0x1a0 [ 87.748742][ T4812] gfs2_sys_fs_add+0x1f8/0x3f4 [ 87.750113][ T4812] gfs2_fill_super+0xe18/0x1fdc [ 87.751434][ T4812] get_tree_bdev+0x360/0x54c [ 87.752684][ T4812] gfs2_get_tree+0x54/0x1b4 [ 87.753889][ T4812] vfs_get_tree+0x90/0x274 [ 87.755057][ T4812] do_new_mount+0x278/0x8fc [ 87.756291][ T4812] path_mount+0x590/0xe5c [ 87.757425][ T4812] __arm64_sys_mount+0x498/0x588 [ 87.758820][ T4812] invoke_syscall+0x98/0x2bc [ 87.760067][ T4812] el0_svc_common+0x138/0x258 [ 87.761375][ T4812] do_el0_svc+0x58/0x13c [ 87.762542][ T4812] el0_svc+0x58/0x168 [ 87.763603][ T4812] el0t_64_sync_handler+0x84/0xf0 [ 87.764956][ T4812] el0t_64_sync+0x18c/0x190 [ 87.768199][ T4812] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.772904][ T4812] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.437549][ T4813] Kernel panic - not syncing: Oops: Fatal exception [ 88.439389][ T4813] SMP: stopping secondary CPUs [ 88.440773][ T4813] Kernel Offset: disabled [ 88.441969][ T4813] CPU features: 0x080000,02070084,26017203 [ 88.443531][ T4813] Memory Limit: none [ 89.089540][ T4813] Rebooting in 86400 seconds..