syzbot


WARNING in reiserfs_fileattr_set

Status: auto-obsoleted due to no activity on 2023/10/31 15:16
Reported-by: syzbot+93e33c89ba64c4746f2a@syzkaller.appspotmail.com
First crash: 452d, last: 452d

Sample crash report:
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 8019 at kernel/locking/mutex.c:575 __mutex_lock_common+0x1614/0x2154 kernel/locking/mutex.c:575
Modules linked in:
CPU: 1 PID: 8019 Comm: syz-executor.4 Not tainted 5.15.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __mutex_lock_common+0x1614/0x2154 kernel/locking/mutex.c:575
lr : __mutex_lock_common+0x1614/0x2154 kernel/locking/mutex.c:575
sp : ffff80001f387640
x29: ffff80001f3877c0 x28: dfff800000000000 x27: 1ffff000030803ac
x26: ffff800018401000 x25: ffff700003e70ee4 x24: 0000000000000000
x23: 0000000000000000 x22: ffff800008d03000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000ca36f828 x18: 0000000000000001
x17: ff80800008335eb0 x16: ffff800011967f54 x15: ffff800008335eb0
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000040000
x11: 0000000000001e8d x10: ffff80001ef71000 x9 : ba3b658fcb70f400
x8 : ba3b658fcb70f400 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001f386db8 x4 : ffff8000149efca0 x3 : ffff80000854e4f0
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000028
Call trace:
 __mutex_lock_common+0x1614/0x2154 kernel/locking/mutex.c:575
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
 reiserfs_fileattr_set+0x7c/0x420 fs/reiserfs/ioctl.c:34
 vfs_fileattr_set+0x70c/0xad4 fs/ioctl.c:700
 do_vfs_ioctl+0x1634/0x2a38
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 4045
hardirqs last  enabled at (4045): [<ffff8000088c9cd0>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231
hardirqs last disabled at (4044): [<ffff8000088c9c90>] kasan_quarantine_put+0x9c/0x204 mm/kasan/quarantine.c:204
softirqs last  enabled at (4028): [<ffff8000080300b4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (4026): [<ffff800008030080>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace b7664dbcafe4fe95 ]---
================================================================================
UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:130:9
index 664 is out of range for type 'unsigned long[8]'
CPU: 1 PID: 8019 Comm: syz-executor.4 Tainted: G        W         5.15.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0x108/0x15c lib/ubsan.c:282
 decode_tail kernel/locking/qspinlock.c:130 [inline]
 queued_spin_lock_slowpath+0x854/0x938 kernel/locking/qspinlock.c:468
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x334/0x35c kernel/locking/spinlock_debug.c:115
 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_lock+0xb8/0x10c kernel/locking/spinlock.c:154
 __mutex_lock_common+0x380/0x2154 kernel/locking/mutex.c:608
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
 reiserfs_fileattr_set+0x7c/0x420 fs/reiserfs/ioctl.c:34
 vfs_fileattr_set+0x70c/0xad4 fs/ioctl.c:700
 do_vfs_ioctl+0x1634/0x2a38
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
================================================================================
Unable to handle kernel paging request at virtual address ffff800014873b20
Mem abort info:
  ESR = 0x0000000096000047
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x07: level 3 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000047
  CM = 0, WnR = 1
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001b4933000
[ffff800014873b20] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=100000023fff9003, pte=0000000000000000
Internal error: Oops: 96000047 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 8019 Comm: syz-executor.4 Tainted: G        W         5.15.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : queued_spin_lock_slowpath+0x36c/0x938 kernel/locking/qspinlock.c:471
lr : decode_tail kernel/locking/qspinlock.c:130 [inline]
lr : queued_spin_lock_slowpath+0x854/0x938 kernel/locking/qspinlock.c:468
sp : ffff80001f387420
x29: ffff80001f3874c0 x28: 1ffff00003e70e90 x27: 0000000000000000
x26: dfff800000000000 x25: ffff700003e70e88 x24: 0000000000080000
x23: ffff800014873b20 x22: ffff0001b4828b08 x21: ffff0001b4828b00
x20: ffff800014873b20 x19: ffff0000ca36f830 x18: 0000000000000003
x17: ff80800008335eb0 x16: 0000000000000002 x15: ffff800008335eb0
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000040000
x11: 000000000001cd17 x10: ffff800014873b00 x9 : 0000000000000002
x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001f386b18 x4 : ffff8000149efca0 x3 : ffff80000819b8b0
x2 : 0000000000000001 x1 : 0000000000000004 x0 : ffff0001b4828b08
Call trace:
 queued_spin_lock_slowpath+0x36c/0x938 kernel/locking/qspinlock.c:474
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x334/0x35c kernel/locking/spinlock_debug.c:115
 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_lock+0xb8/0x10c kernel/locking/spinlock.c:154
 __mutex_lock_common+0x380/0x2154 kernel/locking/mutex.c:608
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
 reiserfs_fileattr_set+0x7c/0x420 fs/reiserfs/ioctl.c:34
 vfs_fileattr_set+0x70c/0xad4 fs/ioctl.c:700
 do_vfs_ioctl+0x1634/0x2a38
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: aa1703e0 94171a9e aa1603e0 52800081 (f90002f5) 
---[ end trace b7664dbcafe4fe96 ]---
----------------
Code disassembly (best guess):
   0:	aa1703e0 	mov	x0, x23
   4:	94171a9e 	bl	0x5c6a7c
   8:	aa1603e0 	mov	x0, x22
   c:	52800081 	mov	w1, #0x4                   	// #4
* 10:	f90002f5 	str	x21, [x23] <-- trapping instruction

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/23 15:15 linux-5.15.y cdd3cdb682f4 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in reiserfs_fileattr_set
* Struck through repros no longer work on HEAD.