syzbot


BUG: unable to handle kernel NULL pointer dereference in tiocsti

Status: closed as dup on 2022/08/30 06:41
Reported-by: syzbot+032314e8d7de2bdb97f7@syzkaller.appspotmail.com
First crash: 107d, last: 93d
Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
BUG: unable to handle kernel NULL pointer dereference in gsmld_receive_buf C error 324 95d 122d

Sample crash report:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000086000006
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b28b000
[0000000000000000] pgd=080000010b411003, p4d=080000010b411003, pud=080000010b47b003, pmd=0000000000000000
Internal error: Oops: 86000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 3028 Comm: syz-executor908 Not tainted 6.0.0-rc2-syzkaller-16440-g1c23f9e627a7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/20/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : gsmld_receive_buf+0x140/0x214 drivers/tty/n_gsm.c:2861
sp : ffff80000ffe3cb0
x29: ffff80000ffe3cc0 x28: 0000000000000000 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000000 x24: ffff80000d937000
x23: ffff80000d681e40 x22: ffff0000cb2dc000 x21: ffff80000ffe3d21
x20: ffff80000c205988 x19: ffff80000ffe3d24 x18: 00000000000000c0
x17: ffff80000dd7a698 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000004 x12: ffff80000d681e78
x11: ff808000098e7e04 x10: 0000000000000000 x9 : ffff8000098e7e04
x8 : 0000000000000000 x7 : ffff8000098dcea4 x6 : 0000000000000000
x5 : ffff80000e087890 x4 : 0000000000000002 x3 : 0000000000000001
x2 : ffff80000ffe3d20 x1 : 0000000000000000 x0 : ffff0000cb2dc000
Call trace:
 0x0
 tiocsti+0x168/0x1c4 drivers/tty/tty_io.c:2293
 tty_ioctl+0x284/0x9f4 drivers/tty/tty_io.c:2692
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0xd0/0x140 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x154 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
 el0t_64_sync+0x18c/0x190
Code: bad PC value
---[ end trace 0000000000000000 ]---

Crashes (39):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-gce-arm64 2022/08/23 15:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1c23f9e627a7 cea8b0f7 .config log report syz C BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/06 08:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 9dcd38fc .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/05 14:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 922294ab .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/05 13:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 922294ab .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/04 22:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 28811d0a .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/04 15:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 28811d0a .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/04 09:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 28811d0a .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/04 02:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 28811d0a .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/04 00:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 28811d0a .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/04 00:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 28811d0a .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/03 11:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 49e94a20 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/03 09:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 49e94a20 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/03 09:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 49e94a20 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/02 23:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 25194605 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/01 21:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 86c46e46 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/01 21:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 85413d1e802e 86c46e46 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/01 06:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d b01ec571 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/09/01 06:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d b01ec571 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/31 18:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 51e54e30 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/31 17:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 51e54e30 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/31 00:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 4a380809 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/30 13:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 5b44472d .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/30 11:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 5b44472d .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/30 10:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 5b44472d .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/30 09:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 5b44472d .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/29 21:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 5b44472d .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/29 17:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 5b44472d .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/29 16:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 5b44472d .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/29 05:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 07177916 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/29 04:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 07177916 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/29 01:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 07177916 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/28 02:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 07177916 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/27 07:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 07177916 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/24 18:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 514514f6 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/24 05:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1c23f9e627a7 cea8b0f7 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/24 02:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1c23f9e627a7 cea8b0f7 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/23 20:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1c23f9e627a7 cea8b0f7 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/23 18:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1c23f9e627a7 cea8b0f7 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
ci-upstream-gce-arm64 2022/08/23 15:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1c23f9e627a7 cea8b0f7 .config log report info BUG: unable to handle kernel NULL pointer dereference in tiocsti
* Struck through repros no longer work on HEAD.