Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 3966 Comm: syz-executor.5 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
RIP: 0010:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24
RSP: 0018:ffff88801accf398 EFLAGS: 00010056
RAX: 0000000000000000 RBX: ffff88801fc10f18 RCX: ffffc90002ffd000
RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888016ed5800
FS: 00007fdc94c28700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d84e7c6f4 CR3: 0000000015f2d000 CR4: 0000000000350ef0
Call Trace:
queue_work_on+0xd0/0xe0
loop_queue_rq+0x5c8/0x1180
__blk_mq_issue_directly+0xd5/0x260
blk_mq_request_issue_directly+0x11c/0x1e0
blk_mq_issue_direct+0x192/0x640
blk_mq_dispatch_queue_requests+0x4b0/0x7c0
blk_mq_flush_plug_list+0x1ec/0x5b0
__blk_flush_plug+0x25c/0x460
__submit_bio+0x480/0x5b0
submit_bio_noacct_nocheck+0x68e/0xcb0
submit_bio_noacct+0x359/0x1350
ext4_read_bh+0x15a/0x2e0
ext4_read_bh_lock+0x7a/0xd0
ext4_sb_bread_unmovable+0x172/0x260
ext4_fill_super+0x662/0xba20
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x132d/0x1dd0
__x64_sys_mount+0x27b/0x300
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdc976b404a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007fdc94c27fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fdc976b404a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc94c28000
RBP: 00007fdc94c28040 R08: 00007fdc94c28040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fdc94c28000 R15: 0000000020012900
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24
RSP: 0018:ffff88801accf398 EFLAGS: 00010056
RAX: 0000000000000000 RBX: ffff88801fc10f18 RCX: ffffc90002ffd000
RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888016ed5800
FS: 00007fdc94c28700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d84e7c6f4 CR3: 0000000015f2d000 CR4: 0000000000350ef0
note: syz-executor.5[3966] exited with irqs disabled
note: syz-executor.5[3966] exited with preempt_count 1
------------[ cut here ]------------
WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: syz-executor.5/3966
Modules linked in:
CPU: 0 UID: 0 PID: 3966 Comm: syz-executor.5 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:do_exit+0x1c36/0x2970
Code: 96 0a 00 00 c7 43 18 00 00 00 00 e9 21 e6 ff ff e8 bf a4 38 00 bf 02 24 00 00 e8 f5 ab 0b 00 e9 41 ff ff ff e8 ab a4 38 00 90 <0f> 0b 90 e9 87 e4 ff ff e8 9d a4 38 00 4c 89 e6 bf 05 06 00 00 e8
RSP: 0018:ffff88801accfe40 EFLAGS: 00010212
RAX: 000000000003d66e RBX: 0000000000000200 RCX: ffffc90002ffd000
RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff888046e2e468
RBP: ffff888046e2d280 R08: 0000000000000001 R09: fffffbfff0f11cd8
R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b
R13: 0000000000002710 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007fdc94c28700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d84e7c6f4 CR3: 0000000015f2d000 CR4: 0000000000350ef0
Call Trace:
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7fdc976b404a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007fdc94c27fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fdc976b404a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc94c28000
RBP: 00007fdc94c28040 R08: 00007fdc94c28040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fdc94c28000 R15: 0000000020012900
irq event stamp: 4850
kmemleak: Found object by alias at 0x607f1a639504
CPU: 1 UID: 0 PID: 3978 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
__x64_sys_exit_group+0x3e/0x50
x64_sys_call+0x18c5/0x18d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f42eaae7b19
Code: Unable to access opcode bytes at 0x7f42eaae7aef.
RSP: 002b:00007fff033d5108 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f42eaae7b19
RDX: 00007f42eaa9a72b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000001b2ce22fdc R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff033d51f0
kmemleak: Object (percpu) 0x607f1a639500 (size 8):
kmemleak: comm "syz-executor.5", pid 3966, jiffies 4294806214
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
percpu_ref_init+0x37/0x400
blkg_alloc+0xe9/0x7d0
blkg_create+0xe08/0x1420
bio_associate_blkg_from_css+0xe06/0x1380
bio_associate_blkg+0x10e/0x2a0
bio_init+0x2dd/0x570
bio_alloc_bioset+0x2cf/0x8c0
submit_bh_wbc+0x286/0x720
ext4_read_bh+0x15a/0x2e0
ext4_read_bh_lock+0x7a/0xd0
ext4_sb_bread_unmovable+0x172/0x260
ext4_fill_super+0x662/0xba20
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x132d/0x1dd0
hardirqs last enabled at (4849): [] _raw_spin_unlock_irqrestore+0x2c/0x50
hardirqs last disabled at (4850): [] _raw_spin_lock_irq+0x42/0x50
softirqs last enabled at (4546): [] kernel_fpu_end+0x59/0x70
softirqs last disabled at (4544): [] kernel_fpu_begin_mask+0x1b7/0x290
---[ end trace 0000000000000000 ]---
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 3966, name: syz-executor.5
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 0 UID: 0 PID: 3966 Comm: syz-executor.5 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [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
__might_resched+0x2f3/0x510
exit_signals+0x25/0x940
do_exit+0x2db/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7fdc976b404a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007fdc94c27fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fdc976b404a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc94c28000
RBP: 00007fdc94c28040 R08: 00007fdc94c28040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fdc94c28000 R15: 0000000020012900
program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO
kmemleak: Found object by alias at 0x607f1a639504
CPU: 0 UID: 0 PID: 3985 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
__x64_sys_exit_group+0x3e/0x50
x64_sys_call+0x18c5/0x18d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f42eaae7b19
Code: Unable to access opcode bytes at 0x7f42eaae7aef.
RSP: 002b:00007fff033d5108 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f42eaae7b19
RDX: 00007f42eaa9a72b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000001b2ce22f14 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff033d51f0
kmemleak: Object (percpu) 0x607f1a639500 (size 8):
kmemleak: comm "syz-executor.5", pid 3966, jiffies 4294806214
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
percpu_ref_init+0x37/0x400
blkg_alloc+0xe9/0x7d0
blkg_create+0xe08/0x1420
bio_associate_blkg_from_css+0xe06/0x1380
bio_associate_blkg+0x10e/0x2a0
bio_init+0x2dd/0x570
bio_alloc_bioset+0x2cf/0x8c0
submit_bh_wbc+0x286/0x720
ext4_read_bh+0x15a/0x2e0
ext4_read_bh_lock+0x7a/0xd0
ext4_sb_bread_unmovable+0x172/0x260
ext4_fill_super+0x662/0xba20
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x132d/0x1dd0
kmemleak: Cannot insert 0x607f1a639504 into the object search tree (overlaps existing)
CPU: 0 UID: 0 PID: 3989 Comm: syz-executor.6 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__link_object+0x190/0x210
__create_object+0x48/0x80
pcpu_alloc_noprof+0x87a/0x1170
__percpu_counter_init_many+0x44/0x360
ip6_route_net_init+0x51/0x500
ops_init+0x1e1/0x650
setup_net+0x10d/0x320
copy_net_ns+0x2e3/0x650
create_new_namespaces+0x3f6/0xab0
copy_namespaces+0x45c/0x580
copy_process+0x2649/0x73c0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e1127cb19
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:00007f4e0e7f2188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f4e1138ff60 RCX: 00007f4e1127cb19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880
RBP: 00007f4e112d6f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd7ac9e6f R14: 00007f4e0e7f2300 R15: 0000000000022000
kmemleak: Kernel memory leak detector disabled
kmemleak: Object (percpu) 0x607f1a639500 (size 8):
kmemleak: comm "syz-executor.5", pid 3966, jiffies 4294806214
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
percpu_ref_init+0x37/0x400
blkg_alloc+0xe9/0x7d0
blkg_create+0xe08/0x1420
bio_associate_blkg_from_css+0xe06/0x1380
bio_associate_blkg+0x10e/0x2a0
bio_init+0x2dd/0x570
bio_alloc_bioset+0x2cf/0x8c0
submit_bh_wbc+0x286/0x720
ext4_read_bh+0x15a/0x2e0
ext4_read_bh_lock+0x7a/0xd0
ext4_sb_bread_unmovable+0x172/0x260
ext4_fill_super+0x662/0xba20
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x132d/0x1dd0
kmemleak: Automatic memory scanning thread ended
----------------
Code disassembly (best guess):
0: 48 8b 6d 00 mov 0x0(%rbp),%rbp
4: e8 4f 9e 79 03 callq 0x3799e58
9: 31 ff xor %edi,%edi
b: 41 89 c5 mov %eax,%r13d
e: 89 c6 mov %eax,%esi
10: e8 93 f3 31 00 callq 0x31f3a8
15: 45 85 ed test %r13d,%r13d
18: 0f 85 e1 05 00 00 jne 0x5ff
1e: e8 55 f8 31 00 callq 0x31f878
23: 48 89 e8 mov %rbp,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction
2f: 0f 85 a0 0e 00 00 jne 0xed5
35: 4c 8b 75 00 mov 0x0(%rbp),%r14
39: 48 89 df mov %rbx,%rdi
3c: 4c 89 34 24 mov %r14,(%rsp)