loop3: detected capacity change from 0 to 276
loop6: detected capacity change from 0 to 276
unregister_netdevice: waiting for lo to become free. Usage count = 2
loop3: detected capacity change from 0 to 276
loop6: detected capacity change from 0 to 276
loop7: detected capacity change from 0 to 276
loop5: detected capacity change from 0 to 276
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 5020 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kmalloc_cache_node_noprof+0x76/0x6b0
__get_vm_area_node+0xf0/0x290
__vmalloc_node_range_noprof+0x235/0x13e0
__vmalloc_node_noprof+0xac/0xf0
n_tty_open+0x1a/0x180
tty_ldisc_open+0xa2/0x120
tty_ldisc_setup+0x41/0x100
tty_init_dev.part.0+0x1f4/0x510
tty_open+0xb6c/0x1320
chrdev_open+0x234/0x690
do_dentry_open+0x71c/0x1420
vfs_open+0x82/0x3f0
path_openat+0x1c3f/0x2880
do_filp_open+0x1e8/0x450
do_sys_openat2+0x104/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb2d94f3b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb2d6a69188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb2d9606f60 RCX: 00007fb2d94f3b19
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007fb2d6a691d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc2dff563f R14: 00007fb2d6a69300 R15: 0000000000022000
syz-executor.1: vmalloc error: size 9128, vm_struct allocation failed, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0
CPU: 1 UID: 0 PID: 5020 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
warn_alloc+0x211/0x360
__vmalloc_node_range_noprof+0xb65/0x13e0
__vmalloc_node_noprof+0xac/0xf0
n_tty_open+0x1a/0x180
tty_ldisc_open+0xa2/0x120
tty_ldisc_setup+0x41/0x100
tty_init_dev.part.0+0x1f4/0x510
tty_open+0xb6c/0x1320
chrdev_open+0x234/0x690
do_dentry_open+0x71c/0x1420
vfs_open+0x82/0x3f0
path_openat+0x1c3f/0x2880
do_filp_open+0x1e8/0x450
do_sys_openat2+0x104/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb2d94f3b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb2d6a69188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb2d9606f60 RCX: 00007fb2d94f3b19
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007fb2d6a691d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc2dff563f R14: 00007fb2d6a69300 R15: 0000000000022000
Mem-Info:
active_anon:67 inactive_anon:40413 isolated_anon:0
active_file:7938 inactive_file:75922 isolated_file:0
unevictable:0 dirty:89 writeback:0
slab_reclaimable:5216 slab_unreclaimable:51931
mapped:81012 shmem:113 pagetables:1543
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:149237 free_pcp:1641 free_cma:0
Node 0 active_anon:268kB inactive_anon:161652kB active_file:31752kB inactive_file:303688kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:324048kB dirty:356kB writeback:0kB shmem:452kB kernel_stack:5280kB pagetables:6172kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB
Node 0 DMA free:15360kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 1601 1601 1601
Node 0 DMA32 free:581588kB boost:0kB min:5076kB low:6700kB high:8324kB reserved_highatomic:0KB free_highatomic:0KB active_anon:268kB inactive_anon:161736kB active_file:31752kB inactive_file:303688kB unevictable:0kB writepending:356kB present:2080640kB managed:1639464kB mlocked:0kB bounce:0kB free_pcp:6280kB local_pcp:3116kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB
Node 0 DMA32: 221*4kB (UME) 680*8kB (UME) 326*16kB (UME) 36*32kB (UME) 75*64kB (UME) 41*128kB (UM) 17*256kB (UM) 9*512kB (UME) 7*1024kB (UM) 5*2048kB (UME) 130*4096kB (UM) = 581588kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
49170 total pagecache pages
0 pages in swap cache
Free swap = 0kB
Total swap = 0kB
524158 pages RAM
0 pages HighMem/MovableOnly
110452 pages reserved
ttyS ttyS3: ldisc open failed (-12), clearing slot 3
loop3: detected capacity change from 0 to 276
loop6: detected capacity change from 0 to 276
loop7: detected capacity change from 0 to 276